Flight deals from London to Boston

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • Round-trip
  • One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flight Information from London to Boston

Cheapest one-way flight price £271
Cheapest return ticket price £361
Off-season travel month May
Peak season for travel March
Flight distance 5,257.56km
Average flight time 7 hours 34 minutes
Popular airline Air France

Find the best time to fly from London to Boston

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  • Jul

    29 6
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  • 20 27
  • Aug

    27 3
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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

FAQ

How to find a cheap flight from London to Boston

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from London to Boston. Book your flights at the right time and save more.
1
Be flexible with your travel dates to get the cheapest flight from London to Boston.
Simply tap "Date" on the flight search bar to browse through the calendar and check out airfare from London to Boston over the next 6 months in 2025. If you're planning to fly within the next three months, it looks like the most affordable option is on Wed, Jun 18, with one-way flights priced at just £699.
2
Compare cheap flight deals from London to Boston across hundreds of airlines.
With our extensive search, you can compare prices from over 500 airlines to find the cheapest flight tickets from London to Boston. The cheapest airline for this route is Jetblue Airways.
3
Set up a Price Alert
By setting up a Price Alert for your journey from London to Boston, you can easily keep an eye on ticket prices without having to check every day.
4
Don't miss out on cheap flight deals and promo codes from London to Boston.
You can always find the latest offers through Trip.com Deals and Promo Codes for cheap flights. By signing up for a free membership, you'll get access to even more deals for your flights.
5
Book early or wait until the last minute.
It's usually best to book early. Flight tickets are often cheapest when they're first released, typically about a year before the departure date. So, have a look online as soon as the flights you're interested in become available. If you miss the cheapest time, you might still find some good deals as the departure date gets closer.
6
Search for flights on the go.
For the best travel flight booking experience, download the Trip.com app. You can search for cheap flights from London to Boston and snag some exclusive deals just for you.

Travelling from London to Boston by Air

If you want to travel from London to Boston by air, you've come to the right place. The flight time from London to Boston usually takes around 7 hours 50 mins but can take just 7 hours and 20 minutes on the fastest services, with around 8 direct flights running on this popular route every day. As soon as you board the airplane, you'll be able to make yourself comfortable and enjoy the journey as there are direct services available.

Departing from London

You'll be travelling with British Airways, Virgin Atlantic, American Airlines, Delta Air Lines or JetBlue on this route depending on the airports you'll be leaving from London. BA, Virgin Atlantic, American Airlines, Delta, and JetBlue flights all depart from London Heathrow Airport to Boston, while JetbBlue also departs from London Gatwick Airport to Boston.

If you’d like to save money on your flight tickets from London to Boston, make sure you travel at Off-Peak season or try booking an Advance ticket, as it’s usually cheaper than booking tickets on the day of travel. You can compare all flight time and prices from London to Boston in our flight time & Schedule table at the top of the page.

Arriving at Boston

Once your flight landed on Boston Logan International Airport. You can take public transportations or taxi to the city centre. From there, you can explore some of Boston's most famous landmarks, including the Old North Church, Fenway Park, and Old State House.

Ready to book? Start a search for cheap flight tickets from London to Boston in our flight Planner at the top of the page.