How long is the flight from Boston to London?

Airlines like Scandinavian Airlines, LEVEL, and Turkish Airlines fly from Boston to London in about 15h 20m. The time it takes to get you to your destination can typically vary by up to 13h 55m. There are 3273 mi between Boston and London. Both multi-stop and direct flights can be found to your destination and back.

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

Delta, at £212, was found to be the cheapest airline from Boston to London.Alternate airlines flying return to your destination include JetBlue and Virgin Atlantic. These flights start at 57% lower than the current average price 3 months from now.

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

For one-way options, check prices for JetBlue. According to our data, you can fly for as low as £95. Users have also found prices from £121 and £140 on Air France and Virgin Atlantic, respectively.

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What are the most popular routes from Boston to London?

While some choose either Boston Logan Intl - London Gatwick or Boston Logan Intl - London City, Boston Logan Intl - London Heathrow is the most popular route from Boston to London.

What are the cheapest flights from Boston to London?

On average you can expect to pay £988 for a flight from Boston to London. The cheapest flight overall is £184 while the most popular route, (Boston Logan Intl - London Heathrow) is currently priced at £373.

What are the most reliable airlines from Boston to London?

No one likes to see their flight delayed. When booking a flight from Boston to London consider choosing Gulf Air (93%), SAUDIA (82%) or JetBlue (78%) as they are the most reliable in getting you off to your destination on time.

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

Consider British Airways, Virgin Atlantic or Iberia when booking your flight. These represent the most popular airlines when flying from Boston to London.

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

Most people fly from Boston Logan Intl (BOS) if they book a flight from Boston to London. On average, Logan Intl has 35 outbound flights to London per day from 7 airlines. Boston Logan Intl is conveniently located just 2.6 mi from Boston’s city center.

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

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

How can I find direct flights from Boston to London?

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

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

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

£189+ Cheap Flights from Boston to London

Cheapflights Tip: The best prices from Boston Logan Intl to London are usually found in January or February, booked 65 days in advance, depart on a Monday or Sunday and return on a Wednesday

Cheap flight deals from Boston to London

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from Boston to London
Explore the most affordable flight options available from Boston to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2026.

Wed 14/1017:50 -

2 stops21h 20m

Sun 18/1009:20 -

2 stops35h 15m

Deal found 16/8£456

Wed 30/920:50 -

2 stops19h 15m

Wed 7/1009:15 -

2 stops17h 30m

Deal found 16/8£457

Mon 9/1117:35 -

2 stops18h 25m

Fri 13/1121:05 -

2 stops23h 35m

Deal found 17/8£458

Thu 12/1119:50 -

2 stops22h 15m

Mon 16/1106:10 -

2 stops16h 40m

Deal found 15/8£459

Sun 11/1017:40 -

2 stops14h 15m

Wed 21/1007:05 -

2 stops13h 30m

Deal found 20/8£459

Sat 17/1020:50 -

2 stops18h 20m

Fri 23/1009:20 -

2 stops17h 25m

Deal found 20/8£459

Thu 22/1017:50 -

2 stops20h 45m

Wed 28/1016:20 -

3 stops28h 20m

Deal found 20/8£459

Fri 6/1119:50 -

1 stop13h 05m

Sat 14/1107:00 -

1 stop15h 50m

Deal found 20/8£459

Sat 10/1021:40 -

1 stop10h 20m

Tue 20/1020:50 -

1 stop29h 15m

Deal found 20/8£459

Thu 22/1022:55 -

1 stop10h 50m

Mon 2/1111:55 -

1 stop10h 55m

Deal found 20/8£459

Wed 23/922:55 -

1 stop13h 15m

Tue 6/1018:45 -

1 stop31h 20m

Deal found 16/8£459

Tue 13/1017:40 -

2 stops14h 15m

Tue 20/1007:05 -

2 stops13h 30m

Deal found 20/8£460

Best flights from Boston to London
Discover carefully curated flight deals from Boston to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2026.

Wed 18/1120:50 -

1 stop11h 10m

Mon 23/1108:00 -

1 stop15h 50m

Deal found 16/8£463

Wed 9/917:40 -

1 stop17h 20m

Wed 16/921:05 -

2 stops23h 30m

Deal found 19/8£509

Wed 16/922:55 -

1 stop29h 15m

Wed 23/909:55 -

1 stop16h 10m

Deal found 20/8£512

Wed 11/1121:50 -

1 stop32h 25m

Sat 14/1109:30 -

1 stop33h 15m

Deal found 16/8£546

Mon 18/120:00 -

1 stop15h 20m

Wed 27/110:55 -

1 stop36h 10m

Deal found 20/8£575

Sun 17/118:00 -

2 stops21h 35m

Sat 23/110:10 -

2 stops14h 45m

Deal found 16/8£591

Fri 9/1021:30 -

Nonstop6h 45m

Mon 12/1016:05 -

Nonstop7h 45m

Deal found 15/8£602

Tue 22/919:05 -

Nonstop6h 40m

Sun 27/909:40 -

Nonstop7h 37m

Deal found 19/8£602

Tue 15/917:05 -

2 stops15h 05m

Wed 23/919:25 -

2 stops23h 15m

Deal found 18/8£652

Wed 7/1017:45 -

1 stop9h 55m

Thu 15/1009:15 -

1 stop11h 25m

Deal found 20/8£658

Sat 7/1119:50 -

1 stop12h 15m

Wed 18/1108:00 -

1 stop14h 50m

Deal found 18/8£472

Fri 9/1017:40 -

2 stops15h 55m

Mon 12/1021:05 -

2 stops23h 30m

Deal found 20/8£512

Thu 17/915:35 -

2 stops14h 20m

Sat 26/905:40 -

2 stops17h 27m

Deal found 19/8£481

Sun 18/1017:50 -

2 stops15h 45m

Wed 21/1021:05 -

2 stops23h 30m

Deal found 16/8£522

Mon 12/1023:00 -

2 stops11h 45m

Tue 20/1009:40 -

2 stops14h 10m

Deal found 19/8£497

Fri 11/921:30 -

Nonstop6h 45m

Mon 14/909:40 -

Nonstop7h 37m

Deal found 17/8£602

Fri 5/220:00 -

1 stop15h 20m

Fri 12/217:20 -

1 stop29h 45m

Deal found 19/8£604

Mon 23/1122:10 -

1 stop12h 35m

Sat 28/1116:35 -

2 stops33h 10m

Deal found 20/8£627

Tue 19/116:20 -

2 stops18h 25m

Fri 22/110:00 -

2 stops17h 26m

Deal found 20/8£637

Tue 29/919:05 -

Nonstop6h 40m

Sun 4/1009:40 -

Nonstop7h 41m

Deal found 16/8£602

Wed 11/1120:00 -

1 stop32h 55m

Sat 14/1110:55 -

1 stop36h 10m

Deal found 19/8£619

Mon 7/1212:05 -

2 stops22h 55m

Mon 21/1219:50 -

2 stops24h 50m

Deal found 16/8£569

Wed 2/1211:10 -

2 stops22h 55m

Mon 7/1216:35 -

2 stops33h 10m

Deal found 20/8£641

Fri 9/1020:25 -

1 stop10h 15m

Tue 13/1010:00 -

2 stops18h 08m

Deal found 15/8£641

Thu 15/1022:55 -

1 stop14h 10m

Sun 18/1012:40 -

1 stop14h 05m

Deal found 19/8£532

Mon 21/919:05 -

1 stop9h 35m

Sat 26/910:25 -

1 stop14h 10m

Deal found 19/8£612

Sun 8/1120:55 -

1 stop15h 25m

Sat 14/1108:40 -

2 stops20h 16m

Deal found 19/8£642

Sat 24/1018:05 -

2 stops22h 35m

Wed 28/1016:35 -

1 stop27h 05m

Deal found 20/8£646

Fri 13/1120:00 -

1 stop15h 20m

Tue 17/1117:20 -

1 stop29h 45m

Deal found 20/8£655

Mon 14/923:00 -

2 stops18h 50m

Mon 21/918:05 -

3 stops29h 30m

Deal found 15/8£547

Find flight deals from Boston to London

Round-trip from	£456
One-way from	£189
Popular in	June
Cheapest in	January
Average price	£539
Good round-trip deal	£349 or less
Good one-way deal	£263 or less

14/10-18/10
4 total stops
56h 35m total
Boston to London

Search Deals

Icelandair
10/11
1 total stop
10h 05m total
Boston to London

Search Deals

Highest demand for flights based on searches. 21% potential increase in price (£103 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£16 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

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

Search Deals

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

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BostonLondon

BOS Boston Logan Intl - LTN London Luton

BOSLTN

Boston Logan Intl

Wed 18/11

20:50-13:00

1 stop11h 10m

London Luton

Mon 23/11

08:00-18:50

1 stop15h 50m

£463

BostonLondon

BOS Boston Logan Intl - LTN London Luton

BOSLTN

Boston Logan Intl

Sat 7/11

19:50-13:05

1 stop12h 15m

London Luton

Wed 18/11

08:00-17:50

1 stop14h 50m

£472

BostonLondon

BOS Boston Logan Intl - LTN London Luton

BOSLTN

Boston Logan Intl

Thu 17/9

15:35-10:55

2 stops14h 20m

London Luton

Sat 26/9

05:40-18:07

2 stops17h 27m

£481

BostonLondon

BOS Boston Logan Intl - LTN London Luton

BOSLTN

Boston Logan Intl

Mon 12/10

23:00-15:45

2 stops11h 45m

London Luton

Tue 20/10

09:40-18:50

2 stops14h 10m

£497

BostonLondon

BOS Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Wed 9/9

17:40-16:00

1 stop17h 20m

London Heathrow

Wed 16/9

21:05-15:35

2 stops23h 30m

£509

BostonLondon

BOS Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Wed 16/9

22:55-09:10

1 stop29h 15m

London Heathrow

Wed 23/9

09:55-21:05

1 stop16h 10m

£512

BostonLondon

BOS Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Fri 9/10

17:40-14:35

2 stops15h 55m

London Heathrow

Mon 12/10

21:05-15:35

2 stops23h 30m

£512

BostonLondon

BOS Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Sun 18/10

17:50-14:35

2 stops15h 45m

London Heathrow

Wed 21/10

21:05-15:35

2 stops23h 30m

£522

BostonLondon

BOS Boston Logan Intl - LTN London Luton

BOSLTN

Boston Logan Intl

Thu 15/10

22:55-18:05

1 stop14h 10m

London Luton

Sun 18/10

12:40-21:45

1 stop14h 05m

£532

BostonLondon

BOS Boston Logan Intl - LHR London Heathrow

BOSLHR

Boston Logan Intl

Wed 11/11

21:50-11:15

1 stop32h 25m

London Heathrow

Sat 14/11

09:30-13:45

1 stop33h 15m

£546

Flights are sorted by cheapest return flights first.

Deals found on 20/8

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from Boston to London

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

BOS-LON

BOS-LGW

BOS-LTN

BOS-LHR

BOS-STN

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 Boston to London

BOS-LON

BOS-LGW

BOS-LTN

BOS-LHR

BOS-STN

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

Currently, January is the cheapest month in which you can book a flight from Boston to London (average of £387). Flying from Boston to London in June is currently the most expensive (average of £749). 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 BOS to LON?

When flying from Boston to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Boston to London

The most flights from BOS to LON are scheduled on a Wednesday (41 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (29 on average).

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

Airfare is typical for this route at the moment.

Boston to London flights typically cost between £389 and £594 in October.
The cheapest return price found within the last 5 days was £456 on Multiple Airlines (14 Oct–18 Oct).

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

Shannon (SNN) – chosen by Cheapflights users on 40% of one-stop itineraries from Boston to London on Cheapflights.

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

Reykjavik (KEF) is the most affordable one-stop option, with an average return flight price of £460.

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

Flights via Shannon (SNN) have the shortest average one-way travel time for one-stop routes: 9h 13m.

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

Flights via Copenhagen (CPH) offer the fastest connection on this route, with an average stopover time of 2h 28m.

How often are flights from Boston to London delayed?

About 11% of weekly flights between Boston and London have experienced delays in the past year, with the average delay time being 146 minutes.

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

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

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

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

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

Over the past year, American Airlines have had the lowest number of delays on this route, with just 9% of flights being delayed.

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

The price you pay for your flight from Boston to London may vary depending on when you book. For the best chance of a lower fare, look to book 23 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing London

Check out reviews from past customers who have flown with KLM,Air France, andVirgin Atlantic from Boston to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.8

Good

1,560 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

KLM

7.8

Good

1,560 reviews

KLM

7.8

Good

1,560 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

Air France

7.5

Good

1,647 reviews

KLM

7.8

Good

1,560 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

Virgin Atlantic

7.4

Good

695 reviews

KLM

7.8

Good

1,560 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

JetBlue

7.1

Good

3,040 reviews

KLM

7.8

Good

1,560 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

British Airways

6.7

Okay

8,181 reviews

KLM

7.8

Good

1,560 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

Related info for your journey

What airport do you fly from for flights from Boston to London?
Most people fly from Boston Logan Intl (BOS) if they book a flight from Boston to London. On average, Logan Intl has 35 outbound flights to London per day from 7 airlines. Boston Logan Intl is conveniently located just 2.6 mi from Boston’s city center.
How long is the flight from Boston to London?
Airlines like Scandinavian Airlines, LEVEL, and Turkish Airlines fly from Boston to London in about 15h 20m. The time it takes to get you to your destination can typically vary by up to 13h 55m. There are 3273 mi between Boston and London. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines flying from Boston to London round-trip?
Delta, at £212, was found to be the cheapest airline from Boston to London.Alternate airlines flying return to your destination include JetBlue and Virgin Atlantic. These flights start at 57% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Boston to London one-way?
For one-way options, check prices for JetBlue. According to our data, you can fly for as low as £95. Users have also found prices from £121 and £140 on Air France and Virgin Atlantic, respectively.
What are the most popular routes from Boston to London?
While some choose either Boston Logan Intl - London Gatwick or Boston Logan Intl - London City, Boston Logan Intl - London Heathrow is the most popular route from Boston to London.
What are the most reliable airlines from Boston to London?
No one likes to see their flight delayed. When booking a flight from Boston to London consider choosing Gulf Air (93%), SAUDIA (82%) or JetBlue (78%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Boston to London?
On average you can expect to pay £988 for a flight from Boston to London. The cheapest flight overall is £184 while the most popular route, (Boston Logan Intl - London Heathrow) is currently priced at £373.
Can I find deals for flights from Boston to London that include hotel bookings?
Yes. In addition to deals on Boston to London flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Boston to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to London.
Can I find deals for business class flights from Boston to London?
Yes. Cheapflights offers flight deals from Boston to London 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 Boston to London?
Currently, January is the cheapest month in which you can book a flight from Boston to London (average of £387). Flying from Boston to London in June is currently the most expensive (average of £749). 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.

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Top 7 airlines flying from Boston to London

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest£212	Average£500	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
JetBlue	Cheapest£231	Average£487	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Virgin Atlantic	Cheapest£315	Average£393	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
KLM	Cheapest£350	Average£558	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Iberia	Cheapest£355	Average£554	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
Air France	Cheapest£356	Average£528	FlexibilityNo cancel fee	On-time77%	Search Air France flights
British Airways	Cheapest£370	Average£579	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

Fly with Cheapflights

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

Cheapflights makes it easy to find Boston to London flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights helps you find that perfect flight to London from Boston by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Need flexible booking options for your flight to London from Boston? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights offers price alerts on Boston to London flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from Boston to London from £189

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Boston to London

Cheapest flights from Boston to LondonExplore the most affordable flight options available from Boston to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2026.

Explore the most affordable flight options available from Boston to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2026.

Best flights from Boston to LondonDiscover carefully curated flight deals from Boston to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2026.

Discover carefully curated flight deals from Boston to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2026.

Direct flights from Boston to LondonExplore direct flight options from Boston to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 August 2026.

Explore direct flight options from Boston to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 August 2026.

Last-minute flights from Boston to LondonDiscover last-minute flight deals from Boston to London. Data last updated 21 August 2026 and is based on user searches.

Discover last-minute flight deals from Boston to London. Data last updated 21 August 2026 and is based on user searches.

One-way flights from Boston to LondonSearch for one-way flight options from Boston to London. Find affordable one-way fares based on user searches. Data last updated 21 August 2026.

Search for one-way flight options from Boston to London. Find affordable one-way fares based on user searches. Data last updated 21 August 2026.

Find flight deals from Boston to London

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

Best time to book a flight from Boston to London

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

Cheapflights Insights

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

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

Find hourly flight availability from Boston to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 August 2026.

When flying from Boston to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Boston to London

Explore weekly flight availability from Boston to London. 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 21 August 2026.

The most flights from BOS to LON are scheduled on a Wednesday (41 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (29 on average).

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

Airfare is typical for this route at the moment.

Boston to London flights typically cost between £389 and £594 in October.The cheapest return price found within the last 5 days was £456 on Multiple Airlines (14 Oct–18 Oct).

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

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

Shannon (SNN) – chosen by Cheapflights users on 40% of one-stop itineraries from Boston to London on Cheapflights.

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

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

Reykjavik (KEF) is the most affordable one-stop option, with an average return flight price of £460.

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

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

Flights via Shannon (SNN) have the shortest average one-way travel time for one-stop routes: 9h 13m.

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

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

Flights via Copenhagen (CPH) offer the fastest connection on this route, with an average stopover time of 2h 28m.

How often are flights from Boston to London delayed?

About 11% of weekly flights between Boston and London have experienced delays in the past year, with the average delay time being 146 minutes.

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

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

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

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

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

Over the past year, American Airlines have had the lowest number of delays on this route, with just 9% of flights being delayed.

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

The price you pay for your flight from Boston to London may vary depending on when you book. For the best chance of a lower fare, look to book 23 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing London

Check out reviews from past customers who have flown with KLM,Air France, andVirgin Atlantic from Boston to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

How long is the flight from Boston to London?

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

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

What are the most popular routes from Boston to London?

What are the most reliable airlines from Boston to London?

What are the cheapest flights from Boston to London?

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

How can I find direct flights from Boston to London?

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

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

Travelling to a place near London?

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Alternative routes for Boston to London

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Complete your trip

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Direct flights to England

Cheapest flights from Boston to London
Explore the most affordable flight options available from Boston to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2026.

Best flights from Boston to London
Discover carefully curated flight deals from Boston to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2026.

Direct flights from Boston to London
Explore direct flight options from Boston to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 August 2026.

Last-minute flights from Boston to London
Discover last-minute flight deals from Boston to London. Data last updated 21 August 2026 and is based on user searches.

One-way flights from Boston to London
Search for one-way flight options from Boston to London. Find affordable one-way fares based on user searches. Data last updated 21 August 2026.

Boston to London flights typically cost between £389 and £594 in October.
The cheapest return price found within the last 5 days was £456 on Multiple Airlines (14 Oct–18 Oct).