$347 Cheap Flights from London (LGW) to Boston (BOS)

View $347 flight on Mon, Oct 20, 2025Opens in a new window

Popular airlines from Gatwick Airport (LGW) to Logan International Airport (BOS)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from London to Boston (LGW-BOS)

Prices were available within the past 7 days and start at $347 for one-way flights and $446 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
Fri, Sep 5 - Mon, Sep 8
LGW
London
BOS
Boston
$446 Roundtrip, found 13 hours ago
$446
Roundtrip
found 13 hours ago
Select TAP Portugal flight, departing Fri, Sep 5 from London to Boston, returning Mon, Sep 8, priced at $446 found 13 hours ago
Swiss International Air Lines
Thu, Sep 11 - Tue, Sep 16
LGW
London
BOS
Boston
$447 Roundtrip, found 4 days ago
$447
Roundtrip
found 4 days ago
Select Swiss International Air Lines flight, departing Thu, Sep 11 from London to Boston, returning Tue, Sep 16, priced at $447 found 4 days ago
TAP Portugal
Sun, Oct 12 - Sat, Oct 18
LGW
London
BOS
Boston
$449 Roundtrip, found 2 days ago
$449
Roundtrip
found 2 days ago
Select TAP Portugal flight, departing Sun, Oct 12 from London to Boston, returning Sat, Oct 18, priced at $449 found 2 days ago
TAP Portugal
Mon, Oct 13 - Sun, Oct 19
LGW
London
BOS
Boston
$450 Roundtrip, found 3 days ago
$450
Roundtrip
found 3 days ago
Select TAP Portugal flight, departing Mon, Oct 13 from London to Boston, returning Sun, Oct 19, priced at $450 found 3 days ago
TAP Portugal
Tue, Oct 7 - Mon, Oct 13
LGW
London
BOS
Boston
$454 Roundtrip, found 3 days ago
$454
Roundtrip
found 3 days ago
Select TAP Portugal flight, departing Tue, Oct 7 from London to Boston, returning Mon, Oct 13, priced at $454 found 3 days ago
TAP Portugal
Sun, Oct 5 - Sat, Oct 11
LGW
London
BOS
Boston
$455 Roundtrip, found 19 hours ago
$455
Roundtrip
found 19 hours ago
Select TAP Portugal flight, departing Sun, Oct 5 from London to Boston, returning Sat, Oct 11, priced at $455 found 19 hours ago
TAP Portugal
Tue, Oct 14 - Mon, Oct 20
LGW
London
BOS
Boston
$456 Roundtrip, found 1 day ago
$456
Roundtrip
found 1 day ago
Select TAP Portugal flight, departing Tue, Oct 14 from London to Boston, returning Mon, Oct 20, priced at $456 found 1 day ago
Icelandair
Fri, Nov 14 - Sun, Nov 23
LGW
London
BOS
Boston
$462 Roundtrip, found 1 hour ago
$462
Roundtrip
found 1 hour ago
Select Icelandair flight, departing Fri, Nov 14 from London to Boston, returning Sun, Nov 23, priced at $462 found 1 hour ago
British Airways
Wed, Oct 8 - Tue, Oct 14
LGW
London
BOS
Boston
$493 Roundtrip, found 2 days ago
$493
Roundtrip
found 2 days ago
Select British Airways flight, departing Wed, Oct 8 from London to Boston, returning Tue, Oct 14, priced at $493 found 2 days ago
American Airlines
Wed, Sep 10 - Tue, Sep 16
LGW
London
BOS
Boston
$520 Roundtrip, found 4 days ago
$520
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Sep 10 from London to Boston, returning Tue, Sep 16, priced at $520 found 4 days ago

Find the cheapest month to fly from London (LGW) to Boston (BOS)

January is typically the cheapest month to fly

From $373 - $922 per traveler.

Graph displaying average flight prices per month

Alternative airports near Boston

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Logan Intl. BOS. Cheapest and Closest option available. Average driving time to city center is 7 minutes. Flights from $770
BOS
Logan Intl.
CheapestClosest
Average driving time to city center7 min
Flights from $770
Flights from London (LGW) to Boston (BOS)
Origin airport
Gatwick
Destination airport
Logan Intl.
Airlines serving
Air Europa, American Airlines, British Airways, Delta, Finnair, ITA Airways, Iberia, Icelandair, JetBlue Airways, KLM, SATA International-Azores Airlines S.A., Swiss International Air Lines, TAP Portugal, Turkish Airlines, Virgin Atlantic
Roundtrip price
$446
Distance
3275 mi
Average flight time
7 hours 53 mins

London to Boston Flights

The cheapest times to fly from London to Boston

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from London to Boston are during the month of September. You can find some of the cheapest flights from London to Boston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from London to Boston

Sunday is one of the best days to book for cheap flights from London to Boston: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from London to Boston

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from London to Boston in 2025. You can also book with separate airlines for your outbound and return journeys, from $347 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap London to Boston flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your London to Boston airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Gatwick Airport (LGW) to Logan Intl. Airport (BOS) cost?
You can book cheap return tickets starting at $548 from Gatwick Airport (LGW) to Logan Intl. Airport (BOS). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a JetBlue Airways flight leaving LGW on August 12 2025 and touching down at BOS. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from LGW to BOS?
The cheapest flights from LGW to BOS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Gatwick Airport (LGW) to Logan Intl. Airport (BOS)?
While London (LGW-Gatwick) doesn't have any direct flights to Logan Intl. Airport (BOS), other airports have nonstop routes. Flying from Heathrow Airport (LHR) will get you to Boston without any detours.
What is the cheapest airline that flies from LGW to BOS?
Travel from LGW to BOS with JetBlue Airways. This carrier currently has the cheapest one-way fare for this route, starting from $638. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from LGW on October 8 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Gatwick Airport (LGW) to Logan Intl. Airport (BOS)?
There aren't any daily direct flights available from Gatwick Airport (LGW) to Logan Intl. Airport (BOS). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from LGW to BOS?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can vary depending on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Gatwick Airport (LGW) to Logan Intl. Airport (BOS)?
To avoid potential delays on the Gatwick Airport (LGW) to Logan Intl. Airport (BOS) route, aim to fly before 3 PM. Departures after this hour are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Gatwick Airport (LGW) to Logan Intl. Airport (BOS) last-minute?
Holding off until right before your break to book a flight from LGW to BOS generally means paying more. While it's possible to find some last-minute discounts, they aren't always guaranteed. Keep your travel plans flexible for the best chance of snagging a bargain.
Is it cheaper to book a LGW to BOS flight and hotel package?
Compared with arranging hotels and flights separately, booking a LGW to BOS flight and hotel package with Expedia could result in significant savings. Better still, having everything in one place takes the hassle out of planning your trip. Just secure your flights and choose from our extensive range of stays, then customize your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Gatwick Airport (LGW) to Logan Intl. Airport (BOS)?
It's usually possible to cancel or reschedule your LGW to BOS flight. However, if it's been more than 24 hours since booking, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.