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Cheap flights from the United Kingdom to Boston from £155

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 29/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BOS
27 Dec — 3 Jan1
1 adult
1 adult, Economy, 0 bags

Find flight deals from United Kingdom to Boston

Enter your travel dates to find the best prices.

Cheapest flights from United Kingdom to Boston
Explore the most affordable flight options available from United Kingdom to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 November 2025.

Sat 6/1212:15LHR - BOS
1 stop27h 20mIcelandair
Sun 14/1211:35BOS - LHR
1 stop18h 15mIcelandair
Deal found 24/11£364
Tue 2/1220:35LHR - BOS
1 stop26h 15mIcelandair
Tue 9/1219:50BOS - LHR
1 stop10h 00mIcelandair
Deal found 23/11£367
Tue 2/1220:35LHR - BOS
1 stop26h 15mIcelandair
Sat 6/1219:50BOS - LHR
1 stop10h 00mIcelandair
Deal found 23/11£369
Sun 7/1212:15LHR - BOS
1 stop10h 35mIcelandair
Wed 10/1219:50BOS - LHR
1 stop10h 00mIcelandair
Deal found 23/11£370
Thu 4/1220:35LHR - BOS
1 stop26h 15mIcelandair
Tue 9/1219:50BOS - LHR
1 stop10h 00mIcelandair
Deal found 24/11£373
Wed 3/1212:15LHR - BOS
1 stop27h 20mIcelandair
Wed 14/119:50BOS - LHR
1 stop18h 40mIcelandair
Deal found 25/11£380
Wed 3/1211:55LGW - BOS
1 stop10h 55mIcelandair
Wed 14/119:50BOS - LGW
1 stop10h 05mIcelandair
Deal found 25/11£380
Sun 14/1220:35LHR - BOS
1 stop26h 15mIcelandair
Mon 5/119:50BOS - LHR
1 stop18h 40mIcelandair
Deal found 25/11£380
Sat 6/1211:55LGW - BOS
1 stop10h 55mIcelandair
Tue 9/1219:50BOS - LGW
1 stop10h 05mIcelandair
Deal found 24/11£380
Sun 7/1212:15LHR - BOS
1 stop10h 35mIcelandair
Wed 7/119:50BOS - LHR
1 stop18h 40mIcelandair
Deal found 25/11£383
Fri 5/1208:30STN - BOS
2 stops14h 20mMultiple Airlines
Mon 8/1219:50BOS - STN
2 stops17h 30mMultiple Airlines
Deal found 24/11£383
Thu 25/1216:00LGW - BOS
1 stop27h 35mTAP AIR PORTUGAL
Thu 15/118:05BOS - LGW
1 stop10h 45mTAP AIR PORTUGAL
Deal found 25/11£384

Cheap flight deals from United Kingdom to Boston

Keep the following information in mind while searching for United Kingdom to Boston flight deals. Data was last updated 27 November 2025.

Round-trip from

£264

One-way from

£155

Popular in

December

Cheapest in

September

Average price

£445

Good round-trip deal

£488 or less

Good one-way deal

£371 or less
14/1-22/1
  • 14/1-22/1
  • 2 total stops
  • 54h 35m total
  • United Kingdom to Boston
Search Deals
29/1
  • 29/1
  • 1 total stop
  • 13h 25m total
  • United Kingdom to Boston
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£16 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from United Kingdom to Boston Logan Intl.
Search Deals
Price to beat on a one-way flight from United Kingdom to Boston Logan Intl.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from United Kingdom to Boston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 27 November 2025.
Use the filters below to find and compare flights from the United Kingdom to Boston that are best for you.

Fly from

United Kingdom

Fly to

Boston

Route

Depart

Return

Price

BirminghamBoston

BHX - BOS

BHXBOS

Birmingham

Wed 14/1

21:45-20:55

2 stops28h 10m

Boston Logan Intl

Thu 22/1

22:40-23:25

1 stop19h 45m

£302

GlasgowBoston

GLA - BOS

GLABOS

Glasgow Intl

Fri 9/1

08:25-17:50

2 stops14h 25m

Boston Logan Intl

Fri 16/1

19:50-20:00

2 stops19h 10m

£379

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 18/1

12:15-17:50

1 stop10h 35m

Boston Logan Intl

Fri 30/1

19:50-19:30

1 stop18h 40m

£390

BirminghamBoston

BHX - BOS

BHXBOS

Birmingham

Thu 22/1

19:10-15:50

1 stop25h 40m

Boston Logan Intl

Sun 25/1

17:35-18:30

1 stop19h 55m

£390

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Tue 3/2

11:55-17:50

1 stop10h 55m

Boston Logan Intl

Wed 25/2

19:50-10:55

1 stop10h 05m

£392

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Mon 2/2

11:55-17:50

1 stop10h 55m

Boston Logan Intl

Wed 25/2

19:50-10:55

1 stop10h 05m

£392

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Tue 3/2

11:55-17:50

1 stop10h 55m

Boston Logan Intl

Thu 26/2

11:35-10:55

1 stop18h 20m

£392

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Tue 3/2

11:55-17:50

1 stop10h 55m

Boston Logan Intl

Fri 27/2

19:50-10:55

1 stop10h 05m

£392

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Thu 22/1

11:55-17:50

1 stop10h 55m

Boston Logan Intl

Sun 25/1

19:50-10:55

1 stop10h 05m

£392

ManchesterBoston

MAN - BOS

MANBOS

Manchester

Wed 21/1

19:15-15:50

1 stop25h 35m

Boston Logan Intl

Sun 25/1

17:35-18:35

1 stop20h 00m

£392

Flights are sorted by cheapest return flights first.

Deals found on 26/11

Showing 1-10 of 60 results
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Best time to book a flight from United Kingdom to Boston

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

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

Currently, June is the cheapest month in which you can book a flight from United Kingdom to Boston (average of £111). Flying from United Kingdom to Boston in February is currently the most expensive (average of £320). 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 GB to BOS?

Find hourly flight availability from United Kingdom 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 27 November 2025.

One of the essential ways to save on airfare from United Kingdom to Boston is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 9% on airfare.

What is the cheapest day to fly from United Kingdom to Boston?

Use this chart to determine the cheapest time to fly return from United Kingdom to Boston. Price data was last updated on 16 December 2024.

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

Weekly flight availability from United Kingdom to Boston

Explore weekly flight availability from United Kingdom 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 27 November 2025.

The most flights from GB0 to BOS are scheduled on a Wednesday (30 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (17 on average).

How often are flights from the United Kingdom to Boston delayed?

About 9% of weekly flights between United Kingdom and Boston have experienced delays in the past year, with the average delay time being 155 minutes.

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

Historically, flights departing at night 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?

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

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

Over the past year, Icelandair have had the lowest number of delays on this route, with no flights being classified as delayed.

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boston. Reviews last updated 27 November 2025.
See what other customers who have flown with KLM, Virgin Atlantic, andAer Lingus from the United Kingdom 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
7.7
Good
1,423 reviews
Check prices

Comfort

7.6

Crew

8.4

Overall

7.7

Entertainment

7.1

Food

7.2

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,423 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Comfort

7.6

Crew

8.4

Overall

7.7

Entertainment

7.1

Food

7.2

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Virgin Atlantic
7.5
Good
675 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Comfort

7.6

Crew

8.4

Overall

7.7

Entertainment

7.1

Food

7.2

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Aer Lingus
7.2
Good
1,382 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Comfort

7.6

Crew

8.4

Overall

7.7

Entertainment

7.1

Food

7.2

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Icelandair
7.0
Good
581 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Comfort

7.6

Crew

8.4

Overall

7.7

Entertainment

7.1

Food

7.2

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
British Airways
6.7
Okay
7,539 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Comfort

7.6

Crew

8.4

Overall

7.7

Entertainment

7.1

Food

7.2

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

Find useful and relevant information for your journey from United Kingdom to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Boston from United Kingdom?

    Most people fly into Boston Logan Intl (BOS) if they book a flight to Boston from United Kingdom. Logan Intl is conveniently located just 2.6 mi from Boston’s city center.

  • How long is the flight from United Kingdom to Boston?

    A quick flight from United Kingdom to Boston can take about 10h 35m. Icelandair provides one of the quickest options available for as low as £390. The distance from United Kingdom to Boston is about 3254 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from United Kingdom to Boston one-way?

    For one-way options, check prices for Icelandair. According to our data, you can fly for as low as £320. Users have also found prices from £341 and £342 on SWISS and Iberia, respectively.

  • What are the most popular routes from United Kingdom to Boston?

    The most popular route from United Kingdom 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 United Kingdom to Boston?

    No one likes to see their flight delayed. When booking a flight from United Kingdom to Boston consider choosing Gulf Air (97%), Malaysia Airlines (95%) or Scandinavian Airlines (92%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from United Kingdom to Boston?

    Looking at all options, your cheapest flight can be booked for £332. While the most popular route (London Heathrow - Boston Logan Intl) can be booked for £275 on average, our data indicates £1,360 when flying from United Kingdom to Boston.

  • Can I find deals for flights from United Kingdom to Boston that include hotel bookings?

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

  • How can I find direct flights from United Kingdom to Boston?

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

  • Can I find deals for business class flights from United Kingdom to Boston?

    Yes. Cheapflights offers flight deals from United Kingdom 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 United Kingdom to Boston?

    Currently, June is the cheapest month in which you can book a flight from United Kingdom to Boston (average of £111). Flying from United Kingdom to Boston in February is currently the most expensive (average of £320). 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

Travelling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Burlington
Cambridge
Peabody
Somerville
Quincy
Waltham
Chelmsford

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Alternative routes for United Kingdom to Boston

See prices for flight routes from nearby airports that may be better suited for you.
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Madrid to Boston flights

Top 10 airlines flying from United Kingdom to Boston

Discover the top 10 airlines that operate flights from United Kingdom to Boston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 27 November 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£39Average£59FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
PLAYCheapest£253Average£427FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
TAP AIR PORTUGALCheapest£285Average£434FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
DeltaCheapest£300Average£544FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Scandinavian AirlinesCheapest£304Average£442FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
LufthansaCheapest£308Average£507FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IcelandairCheapest£309Average£488FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
JetBlueCheapest£333Average£532FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
United AirlinesCheapest£339Average£476FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£343Average£468FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from United Kingdom to Boston?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from United Kingdom to Boston. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights helps you find that perfect flight to Boston from United Kingdom 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 United Kingdom to Boston with no change fees?

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

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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