How long is the flight from London to Boston?

There are many flights that can get you from London to Boston in 11h 35m. Fly via Delta, United Airlines, or British Airways to get the fastest option. There are 3254 mi between London and Boston. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

What are the cheapest airlines flying from London to Boston round-trip?

According to our current data, TAP AIR PORTUGAL (£228), Delta (£280), and Icelandair (£291) offers the cheapest pricing from London to Boston. Users have found that TAP AIR PORTUGAL is 56% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from London to Boston one-way?

One-way options have recently been found by users for as low as £274 on Air Canada. Other airlines that offer cheap prices include Icelandair from £293 and JetBlue from £294 one-way.

In terms of precipitation, rainfall in Boston ranges from 78.0 - 101.0 inches per month. March is typically the wettest month, when rainfall can reach 101.0 mm. July is typically the driest time to visit Boston when rainfall is around 78.0 mm.

If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).

What are the most popular routes from London to Boston?

The most popular route from London to Boston is London Heathrow - Boston Logan Intl. You may also consider London Gatwick - Boston Logan Intl or London City - Boston Logan Intl.

What are the cheapest flights from London to Boston?

Looking for the cheapest flight from London to Boston? While on average our users pay £1,361, our data indicates the cheapest price to be £343. The most popular route (London Heathrow - Boston Logan Intl), is priced around £337.

What are the most reliable airlines from London to Boston?

The top 3 most reliable airlines when flying from London to Boston are Scandinavian Airlines (89%), JetBlue (87%) and TAP AIR PORTUGAL (87%).

What are the most popular airlines that fly from London to Boston?

Before booking your flight from London to Boston check out the most popular airlines for this route: British Airways, Virgin Atlantic or KLM.

What airport do you fly into for flights to Boston from London?

Boston Logan Intl (BOS), located 2.6 mi from the city center, is the airport you fly into when you book flights from London to Boston. 16 airlines have flights to Logan Intl from London on a regular basis. Booking flights from London to Boston Logan Intl should not be difficult; the airport handles an average of 29 inbound flights from London per day.

Can I find deals for flights from London to Boston that include hotel bookings?

Yes. In addition to deals on London to Boston flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from London to Boston?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Boston.

Can I find deals for business class flights from London to Boston?

Yes. Cheapflights offers flight deals from London to Boston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£356+ Cheap Flights from London to Boston

Cheapflights Tip: The best prices from London to Boston Logan Intl are usually found in February or November, booked 81 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from London to Boston

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from London to Boston
Explore the most affordable flight options available from London to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 September 2026.

Thu 29/1013:30 -

1 stop11h 50m

Wed 4/1121:50 -

1 stop10h 00m

Deal found 24/9£463

Wed 14/1006:30 -

2 stops18h 40m

Wed 21/1010:40 -

3 stops25h 55m

Deal found 23/9£463

Thu 24/1212:15 -

1 stop10h 35m

Sun 3/119:50 -

1 stop10h 00m

Deal found 27/9£463

Thu 17/1211:55 -

1 stop10h 55m

Sat 26/1219:50 -

1 stop10h 05m

Deal found 25/9£463

Fri 9/1006:20 -

1 stop15h 53m

Tue 13/1017:10 -

2 stops15h 15m

Deal found 23/9£464

Wed 16/1212:15 -

1 stop10h 35m

Sun 27/1219:50 -

1 stop18h 40m

Deal found 25/9£464

Thu 8/1005:40 -

1 stop20h 25m

Mon 12/1021:20 -

2 stops15h 45m

Deal found 24/9£464

Tue 27/1006:50 -

2 stops16h 12m

Sat 7/1115:30 -

1 stop10h 40m

Deal found 23/9£464

Thu 19/1110:10 -

2 stops15h 05m

Sun 22/1122:10 -

1 stop12h 35m

Deal found 27/9£464

Thu 15/1009:15 -

1 stop15h 55m

Sun 18/1017:45 -

1 stop19h 10m

Deal found 26/9£465

Fri 9/1006:35 -

2 stops17h 15m

Fri 16/1020:50 -

2 stops17h 30m

Deal found 25/9£465

Mon 14/1220:35 -

1 stop26h 15m

Sat 26/1219:50 -

1 stop10h 00m

Deal found 25/9£465

Best flights from London to Boston
Discover carefully curated flight deals from London to Boston that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 September 2026.

Thu 29/1006:20 -

1 stop13h 09m

Wed 4/1112:00 -

1 stop13h 20m

Deal found 25/9£465

Sun 28/207:30 -

2 stops14h 45m

Sun 7/321:50 -

1 stop13h 30m

Deal found 27/9£465

Sat 31/1011:25 -

1 stop11h 35m

Sat 14/1118:45 -

Nonstop6h 40m

Deal found 23/9£467

Fri 9/1006:20 -

2 stops17h 30m

Fri 16/1020:50 -

2 stops15h 35m

Deal found 25/9£473

Mon 9/1110:00 -

1 stop11h 05m

Mon 16/1113:37 -

2 stops21h 08m

Deal found 25/9£478

Mon 9/1121:35 -

1 stop27h 55m

Mon 23/1122:10 -

2 stops29h 40m

Deal found 23/9£492

Thu 29/1009:00 -

2 stops16h 20m

Wed 4/1121:50 -

2 stops18h 35m

Deal found 27/9£510

Thu 12/1111:40 -

1 stop26h 30m

Tue 24/1109:50 -

1 stop18h 55m

Deal found 26/9£653

Sat 21/1110:55 -

1 stop36h 10m

Mon 30/1120:00 -

1 stop15h 20m

Deal found 28/9£719

Thu 8/1009:15 -

1 stop11h 25m

Sun 18/1017:45 -

1 stop9h 55m

Deal found 26/9£736

Wed 24/306:30 -

1 stop17h 31m

Wed 31/319:05 -

Nonstop6h 40m

Deal found 24/9£473

Sat 23/110:45 -

1 stop12h 40m

Fri 5/221:30 -

Nonstop6h 45m

Deal found 25/9£481

Thu 15/1015:15 -

3 stops29h 20m

Sun 18/1017:50 -

2 stops15h 45m

Deal found 24/9£487

Mon 21/1221:35 -

1 stop27h 55m

Thu 7/118:00 -

2 stops21h 35m

Deal found 23/9£494

Wed 14/1008:25 -

1 stop9h 50m

Wed 21/1016:45 -

1 stop10h 10m

Deal found 23/9£511

Mon 9/1109:40 -

Nonstop7h 45m

Sun 15/1122:11 -

Nonstop6h 44m

Deal found 27/9£477

Thu 29/1010:00 -

1 stop11h 15m

Wed 4/1117:15 -

1 stop9h 50m

Deal found 24/9£481

Wed 21/1006:15 -

2 stops14h 50m

Wed 28/1022:50 -

2 stops18h 10m

Deal found 23/9£488

Thu 24/1216:00 -

1 stop27h 40m

Wed 30/1218:00 -

2 stops35h 00m

Deal found 23/9£499

Thu 10/1210:00 -

1 stop11h 05m

Fri 8/118:20 -

1 stop9h 40m

Deal found 24/9£480

Thu 15/1011:30 -

2 stops34h 28m

Mon 19/1021:20 -

1 stop17h 40m

Deal found 24/9£493

Sat 7/1108:40 -

2 stops19h 25m

Sat 30/112:55 -

2 stops19h 20m

Deal found 27/9£544

Tue 22/1206:00 -

2 stops21h 37m

Tue 5/110:25 -

2 stops26h 10m

Deal found 23/9£498

Sat 13/216:35 -

1 stop26h 25m

Sat 20/218:00 -

2 stops35h 05m

Deal found 23/9£500

Tue 13/1011:30 -

1 stop13h 05m

Tue 20/1021:30 -

Nonstop6h 45m

Deal found 23/9£482

Thu 12/1113:10 -

Nonstop7h 35m

Tue 24/1119:15 -

Nonstop6h 45m

Deal found 26/9£494

Mon 21/1218:30 -

2 stops31h 00m

Thu 7/118:00 -

1 stop12h 25m

Deal found 23/9£501

Fri 20/1107:45 -

1 stop15h 40m

Sun 29/1120:00 -

1 stop12h 45m

Deal found 27/9£505

Wed 28/1020:10 -

1 stop22h 39m

Mon 2/1119:15 -

Nonstop6h 35m

Deal found 28/9£491

Mon 9/1110:55 -

1 stop36h 10m

Mon 16/1120:00 -

1 stop15h 20m

Deal found 25/9£721

Find flight deals from London to Boston

Round-trip from	£463
One-way from	£356
Popular in	June
Cheapest in	February
Average price	£523
Good round-trip deal	£489 or less
Good one-way deal	£205 or less

SWISS
29/10-4/11
2 total stops
21h 50m total
London to Boston

Search Deals

SWISS
4/1-31/12
1 total stop
30h 15m total
London to Boston

Search Deals

Highest demand for flights based on searches. 8% potential increase in price (£37 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Price to beat on a round-trip flight from London (LON) to Boston Logan Intl.

Search Deals

Price to beat on a one-way flight from London (LON) to Boston Logan Intl.

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonBoston

LTN London Luton - BOS Boston Logan Intl

LTNBOS

London Luton

Sat 19/12

06:30-20:30

3 stops43h 00m

Boston Logan Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£356

LondonBoston

LTN London Luton - BOS Boston Logan Intl

LTNBOS

London Luton

Mon 16/11

19:10-13:55

1 stop23h 45m

Boston Logan Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£357

LondonBoston

LCY London City - BOS Boston Logan Intl

LCYBOS

London City

Wed 24/2

07:40-18:25

1 stop15h 45m

Boston Logan Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£359

LondonBoston

LHR London Heathrow - BOS Boston Logan Intl

LHRBOS

London Heathrow

Sat 19/12

12:05-10:17

2 stops27h 12m

Boston Logan Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£361

LondonBoston

LGW London Gatwick - BOS Boston Logan Intl

LGWBOS

London Gatwick

Tue 23/3

11:45-15:16

2 stops55h 31m

Boston Logan Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£361

LondonBoston

LTN London Luton - BOS Boston Logan Intl

LTNBOS

London Luton

Sun 22/11

08:40-19:05

1 stop15h 25m

Boston Logan Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£362

LondonBoston

LTN London Luton - BOS Boston Logan Intl

LTNBOS

London Luton

Mon 23/11

06:10-13:55

1 stop12h 45m

Boston Logan Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£362

LondonBoston

LTN London Luton - BOS Boston Logan Intl

LTNBOS

London Luton

Sun 15/11

08:40-13:55

1 stop10h 15m

Boston Logan Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£367

LondonBoston

LTN London Luton - BOS Boston Logan Intl

LTNBOS

London Luton

Sat 12/12

13:05-19:05

1 stop11h 00m

Boston Logan Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£368

LondonBoston

LTN London Luton - BOS Boston Logan Intl

LTNBOS

London Luton

Sun 29/11

21:30-14:45

2 stops46h 15m

Boston Logan Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£377

Flights are sorted by cheapest return flights first.

Deals found on 27/9

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from London to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from London with our price prediction graph.

LON-BOS

LHR-BOS

LCY-BOS

STN-BOS

LTN-BOS

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London to Boston

LON-BOS

LHR-BOS

LCY-BOS

STN-BOS

LTN-BOS

What is the cheapest month to book a flight from London to Boston?

Currently, February is the cheapest month in which you can book a flight from London to Boston (average of £424). Flying from London to Boston in June is currently the most expensive (average of £626). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LON to BOS?

It’s optimal to fly from London to Boston at midday. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight in the evening.

Weekly flight availability from London to Boston

The most flights from LON to BOS are scheduled on a Monday (34 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (19 on average).

How much does it cost for a return flight from London to Boston?

Airfare is typical for this route at the moment.

London to Boston flights typically cost between £446 and £591 in October.
The cheapest return price found within the last 5 days was £463 on SWISS (29 Oct–4 Nov).

What’s the top stopover airport for flights from London to Boston?

Reykjavik (KEF) – chosen by Cheapflights users on 45% of one-stop itineraries from London to Boston on Cheapflights.

What’s the cheapest stopover airport for flights from London to Boston?

Barcelona (BCN) is the most affordable one-stop option, with an average return flight price of £339.

What’s the fastest stopover option from London to Boston?

Flights via Dublin (DUB) have the shortest average one-way travel time for one-stop routes: 9h 45m.

Which airport typically offers the quickest stopover for flights from London to Boston?

Flights via Zurich (ZRH) offer the fastest connection on this route, with an average stopover time of 0h 53m.

How often are flights from London to Boston delayed?

About 10% of weekly flights between London and Boston have experienced delays in the past year, with the average delay time being 159 minutes.

What is the most punctual flight time for London to Boston flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to Boston flights?

Over the past year, Virgin Atlantic have had the lowest number of delays on this route, with just 6% of flights being delayed.

How far ahead should I book a flight from London to Boston?

The best time to book flights from London to Boston is 53 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest day to fly from London to Boston?

Travellers seeking maximum savings on their London to Boston flight should consider departing on Wednesday at midday when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Boston

See what other customers who have flown with KLM,Virgin Atlantic, andJetBlue from London to Boston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.8

Good

1,577 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

KLM

7.8

Good

1,577 reviews

KLM

7.8

Good

1,577 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

Virgin Atlantic

7.4

Good

694 reviews

KLM

7.8

Good

1,577 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

JetBlue

7.1

Good

3,039 reviews

KLM

7.8

Good

1,577 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

Icelandair

6.9

Okay

753 reviews

KLM

7.8

Good

1,577 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

British Airways

6.7

Okay

8,238 reviews

KLM

7.8

Good

1,577 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

Related info for your journey

What airport do you fly into for flights to Boston from London?
Boston Logan Intl (BOS), located 2.6 mi from the city center, is the airport you fly into when you book flights from London to Boston. 16 airlines have flights to Logan Intl from London on a regular basis. Booking flights from London to Boston Logan Intl should not be difficult; the airport handles an average of 29 inbound flights from London per day.
How long is the flight from London to Boston?
There are many flights that can get you from London to Boston in 11h 35m. Fly via Delta, United Airlines, or British Airways to get the fastest option. There are 3254 mi between London and Boston. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the cheapest airlines flying from London to Boston round-trip?
According to our current data, TAP AIR PORTUGAL (£228), Delta (£280), and Icelandair (£291) offers the cheapest pricing from London to Boston. Users have found that TAP AIR PORTUGAL is 56% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from London to Boston one-way?
One-way options have recently been found by users for as low as £274 on Air Canada. Other airlines that offer cheap prices include Icelandair from £293 and JetBlue from £294 one-way.
What are the most popular routes from London to Boston?
The most popular route from London to Boston is London Heathrow - Boston Logan Intl. You may also consider London Gatwick - Boston Logan Intl or London City - Boston Logan Intl.
What are the most reliable airlines from London to Boston?
The top 3 most reliable airlines when flying from London to Boston are Scandinavian Airlines (89%), JetBlue (87%) and TAP AIR PORTUGAL (87%).
What are the cheapest flights from London to Boston?
Looking for the cheapest flight from London to Boston? While on average our users pay £1,361, our data indicates the cheapest price to be £343. The most popular route (London Heathrow - Boston Logan Intl), is priced around £337.
Can I find deals for flights from London to Boston that include hotel bookings?
Yes. In addition to deals on London to Boston flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from London to Boston?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Boston.
Can I find deals for business class flights from London to Boston?
Yes. Cheapflights offers flight deals from London to Boston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from London to Boston?
Currently, February is the cheapest month in which you can book a flight from London to Boston (average of £424). Flying from London to Boston in June is currently the most expensive (average of £626). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Burlington

Canton

North Truro

Waltham

Warwick

Cambridge

Wellfleet

Peabody

Revere

Somerville

Quincy

Chelmsford

Raynham

Browse thousands of different options on Cheapflights for your next trip

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Fly from London to Boston on these airlines

Virgin Atlantic flights from London to Boston Logan Intl

British Airways flights from London to Boston Logan Intl

Finnair flights from London to Boston Logan Intl

Top 10 airlines flying from London to Boston

Airline	Cheapest	Average	Flexibility	On-time
TAP AIR PORTUGAL	Cheapest£228	Average£396	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Delta	Cheapest£280	Average£599	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Icelandair	Cheapest£297	Average£449	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
United Airlines	Cheapest£329	Average£512	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
JetBlue	Cheapest£331	Average£622	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Lufthansa	Cheapest£343	Average£512	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Scandinavian Airlines	Cheapest£350	Average£459	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Air Canada	Cheapest£365	Average£526	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Iberia	Cheapest£375	Average£552	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
Aer Lingus	Cheapest£379	Average£531	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights

Fly with Cheapflights

How does Cheapflights help users find flights from London to Boston?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Boston from London today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from London to Boston?

Millions of users choose and trust Cheapflights to book the best flight deals from London to Boston for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from London to Boston with no change fees?

Yes! Cheapflights helps users easily find flights from London to Boston with no change fees.

Can Cheapflights notify me if prices for flights from London to Boston become cheaper?

Yes! Start tracking prices for London to Boston flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from London to Boston from £356

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to Boston

Cheapest flights from London to BostonExplore the most affordable flight options available from London to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 September 2026.

Explore the most affordable flight options available from London to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 September 2026.

Best flights from London to BostonDiscover carefully curated flight deals from London to Boston that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 September 2026.

Discover carefully curated flight deals from London to Boston that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 September 2026.

Direct flights from London to BostonExplore direct flight options from London to Boston based on user searches, and compare prices and availability for your desired travel dates. Data last updated 28 September 2026.

Explore direct flight options from London to Boston based on user searches, and compare prices and availability for your desired travel dates. Data last updated 28 September 2026.

Last-minute flights from London to BostonDiscover last-minute flight deals from London to Boston. Data last updated 28 September 2026 and is based on user searches.

Discover last-minute flight deals from London to Boston. Data last updated 28 September 2026 and is based on user searches.

One-way flights from London to BostonSearch for one-way flight options from London to Boston. Find affordable one-way fares based on user searches. Data last updated 28 September 2026.

Search for one-way flight options from London to Boston. Find affordable one-way fares based on user searches. Data last updated 28 September 2026.

Find flight deals from London to Boston

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

Use the filters below to find and compare flights from London to Boston that are best for you.

Best time to book a flight from London to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from London with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from London to Boston?

What is the cheapest time of day to fly from LON to BOS?

Find hourly flight availability from London to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 28 September 2026.

It’s optimal to fly from London to Boston at midday. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight in the evening.

Weekly flight availability from London to Boston

Explore weekly flight availability from London to Boston. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 28 September 2026.

The most flights from LON to BOS are scheduled on a Monday (34 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (19 on average).

How much does it cost for a return flight from London to Boston?

Airfare is typical for this route at the moment.

London to Boston flights typically cost between £446 and £591 in October.The cheapest return price found within the last 5 days was £463 on SWISS (29 Oct–4 Nov).

What’s the top stopover airport for flights from London to Boston?

Share of one-stop return flights from London to Boston chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Reykjavik (KEF) – chosen by Cheapflights users on 45% of one-stop itineraries from London to Boston on Cheapflights.

What’s the cheapest stopover airport for flights from London to Boston?

Average return fare for one-stop flights from London to Boston, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Barcelona (BCN) is the most affordable one-stop option, with an average return flight price of £339.

What’s the fastest stopover option from London to Boston?

Shortest average travel time for one-stop one-way flights from London to Boston, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Dublin (DUB) have the shortest average one-way travel time for one-stop routes: 9h 45m.

Which airport typically offers the quickest stopover for flights from London to Boston?

Average stopover duration for one-stop one-way flights from London to Boston, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Zurich (ZRH) offer the fastest connection on this route, with an average stopover time of 0h 53m.

How often are flights from London to Boston delayed?

About 10% of weekly flights between London and Boston have experienced delays in the past year, with the average delay time being 159 minutes.

What is the most punctual flight time for London to Boston flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to Boston flights?

Over the past year, Virgin Atlantic have had the lowest number of delays on this route, with just 6% of flights being delayed.

How far ahead should I book a flight from London to Boston?

The best time to book flights from London to Boston is 53 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest day to fly from London to Boston?

Use this chart to determine the cheapest time to fly return from London to Boston. Price data was last updated on 19 September 2026.

Travellers seeking maximum savings on their London to Boston flight should consider departing on Wednesday at midday when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Boston

See what other customers who have flown with KLM,Virgin Atlantic, andJetBlue from London to Boston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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What are the cheapest airlines to fly from London to Boston one-way?

What are the most popular routes from London to Boston?

What are the most reliable airlines from London to Boston?

What are the cheapest flights from London to Boston?

Can I find deals for flights from London to Boston that include hotel bookings?

How can I find direct flights from London to Boston?

Can I find deals for business class flights from London to Boston?

What is the cheapest month to book a flight from London to Boston?

Travelling to a place near Boston?

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Fly from London to Boston on these airlines

Choose from the following airlines for your flight from London to Boston. Flights are based on user searches made on Cheapflights and were last updated on 28 September 2026.

Cheapest flights from London to Boston
Explore the most affordable flight options available from London to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 September 2026.

Best flights from London to Boston
Discover carefully curated flight deals from London to Boston that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 September 2026.

Direct flights from London to Boston
Explore direct flight options from London to Boston based on user searches, and compare prices and availability for your desired travel dates. Data last updated 28 September 2026.

Last-minute flights from London to Boston
Discover last-minute flight deals from London to Boston. Data last updated 28 September 2026 and is based on user searches.

One-way flights from London to Boston
Search for one-way flight options from London to Boston. Find affordable one-way fares based on user searches. Data last updated 28 September 2026.

London to Boston flights typically cost between £446 and £591 in October.
The cheapest return price found within the last 5 days was £463 on SWISS (29 Oct–4 Nov).