£178 Cheap Flights from Boston (BOS) to London (LHR)

View £178 flight on Sun, 13 Dec 2026Opens in a new window

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Popular airlines from Logan International Airport (BOS) to Heathrow Airport (LHR)

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Cheap Flights from Boston (BOS) to London (LHR)

Prices were available within the past 7 days and start at £178 for one-way flights and £458 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, 26 Aug - Thu, 27 Aug
BOS
Boston
LHR
London
£458 Return, just found
£458
Return
just found
Select United flight, departing Wed, 26 Aug from Boston to London, returning Thu, 27 Aug, priced at £458 just found
Icelandair
Thu, 15 Oct - Wed, 2 Dec
BOS
Boston
LHR
London
£511 Return, found 22 hours ago
£511
Return
found 22 hours ago
Select Icelandair flight, departing Thu, 15 Oct from Boston to London, returning Wed, 2 Dec, priced at £511 found 22 hours ago
Air France
Tue, 15 Sept - Thu, 17 Sept
BOS
Boston
LHR
London
£515 Return, found 6 days ago
£515
Return
found 6 days ago
Select Air France flight, departing Tue, 15 Sept from Boston to London, returning Thu, 17 Sept, priced at £515 found 6 days ago
Aer Lingus
Fri, 4 Dec - Fri, 11 Dec
BOS
Boston
LHR
London
£539 Return, found 13 hours ago
£539
Return
found 13 hours ago
Select Aer Lingus flight, departing Fri, 4 Dec from Boston to London, returning Fri, 11 Dec, priced at £539 found 13 hours ago
Iberia
Thu, 8 Oct - Wed, 14 Oct
BOS
Boston
LHR
London
£541 Return, found 4 hours ago
£541
Return
found 4 hours ago
Select Iberia flight, departing Thu, 8 Oct from Boston to London, returning Wed, 14 Oct, priced at £541 found 4 hours ago
United
Sun, 3 May - Thu, 7 May
BOS
Boston
LHR
London
£551 Return, found 6 hours ago
£551
Return
found 6 hours ago
Select United flight, departing Sun, 3 May from Boston to London, returning Thu, 7 May, priced at £551 found 6 hours ago
KLM
Sun, 3 May - Sun, 10 May
BOS
Boston
LHR
London
£558 Return, found 4 hours ago
£558
Return
found 4 hours ago
Select KLM flight, departing Sun, 3 May from Boston to London, returning Sun, 10 May, priced at £558 found 4 hours ago
Delta
Sat, 9 May - Sat, 7 Nov
BOS
Boston
LHR
London
£558 Return, found 5 hours ago
£558
Return
found 5 hours ago
Select Delta flight, departing Sat, 9 May from Boston to London, returning Sat, 7 Nov, priced at £558 found 5 hours ago
Virgin Atlantic
Sun, 10 May - Tue, 27 Oct
BOS
Boston
LHR
London
£558 Return, found 5 hours ago
£558
Return
found 5 hours ago
Select Virgin Atlantic flight, departing Sun, 10 May from Boston to London, returning Tue, 27 Oct, priced at £558 found 5 hours ago
Finnair
Mon, 7 Sept - Thu, 1 Oct
BOS
Boston
LHR
London
£563 Return, found 1 hour ago
£563
Return
found 1 hour ago
Select Finnair flight, departing Mon, 7 Sept from Boston to London, returning Thu, 1 Oct, priced at £563 found 1 hour ago

Alternative airports near London

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

Select flight to Gatwick LGW. Cheapest option available. Average driving time to city centre is 52 minutes. Flights from £554
LGW
Gatwick
Cheapest
Average driving time to city centre52 min
Flights from £554
Select flight to London City LCY. Closest option available. Average driving time to city centre is 21 minutes. Flights from £596
LCY
London City
Closest
Average driving time to city centre21 min
Flights from £596

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

April is typically the cheapest month to fly

From £346 - £477 per traveller.

Frequently asked questions

How much does a flight from Boston, MA (BOS-Logan Intl.) to London (LHR-Heathrow) cost?
One-way flights typically cost between £839 and £4,061 and return flights often range between £1,211 and £5,978. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
What is the cheapest month to fly from Boston, MA (BOS-Logan Intl.) to London (LHR-Heathrow)?
October is typically the cheapest month to fly from Boston, MA (BOS-Logan Intl.) to London (LHR-Heathrow), with average return fares of approximately £740. This is about 18% lower than the average price throughout the year. October sees lower prices as the peak summer travel season has ended, and the holiday rush has not yet begun, leading to reduced demand. Other cheap months to fly from Boston, MA (BOS-Logan Intl.) to London (LHR-Heathrow) include January and September.
Which airlines fly direct from Boston, MA (BOS-Logan Intl.) to London (LHR-Heathrow)?
Enter BOS to LHR and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Boston, MA (BOS-Logan Intl.) to London (LHR-Heathrow)?
To find a cheap flight from Boston, MA (BOS-Logan Intl.) to London (LHR-Heathrow), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Boston, MA (BOS-Logan Intl.) to London (LHR-Heathrow)?
The best airline to fly with from Boston, MA (BOS-Logan Intl.) to London (LHR-Heathrow) will differ from traveller to traveller. If you like to fly early, BA offers early morning flights. If price is the most important factor, B6 typically offers the lowest fares. DL offers the most daily flights from Boston, MA (BOS-Logan Intl.) to London (LHR-Heathrow), which is brilliant if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Boston, MA (BOS-Logan Intl.) to London (LHR-Heathrow)?
Based on booking data from the past year, if you're looking for the best time to fly from Boston, MA (BOS-Logan Intl.) to London (LHR-Heathrow), you'll find the cheapest flights in October and January, with average return prices around £740. These months are generally outside of peak travel seasons, which helps keep fares lower. While August and December are the most popular months for travel, offering plenty of flight options, they tend to be more expensive. For the best value, consider traveling in October or January.
How many flights per day from Boston, MA (BOS-Logan Intl.) to London (LHR-Heathrow)?
There are approximately 8 nonstop flights per day from Boston, MA (BOS-Logan Intl.) to London (LHR-Heathrow). For even more choice, look at flights that include layovers. You'll find around 184 connecting flights per day. Some common connection points include John F. Kennedy Intl. (JFK), Liberty Intl. (EWR), and Pearson Intl. (YYZ).
What is the earliest flight from Boston, MA (BOS-Logan Intl.) to London (LHR-Heathrow)?
The earliest flight from Boston, MA (BOS-Logan Intl.) to London (LHR-Heathrow) typically departs at approximately 12:55 AM local time, operated by Virgin Atlantic. This is a seasonal service active in October and November. An early departure like this can help maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Boston, MA (BOS-Logan Intl.) to London (LHR-Heathrow)?
You'll typically find the most flights from Boston, MA (BOS-Logan Intl.) to London (LHR-Heathrow) on a Friday, with around 145 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include American Airlines, Delta Air Lines, and United Airlines. Friday offers notably more flight options compared to other days of the week.
What are the most popular departure times for flights from Boston, MA (BOS-Logan Intl.) to London (LHR-Heathrow)?
The most popular departure times for flights from Boston, MA (BOS-Logan Intl.) to London (LHR-Heathrow) are in the evening, from 6pm to 9pm. About 34% of passengers prefer this time window. Many major carriers, including American Airlines, Delta Air Lines and British Airways, offer flights during this window. These times work well because you can maximise your time in Boston before your evening flight, and you'll arrive in London in the morning ready to explore.
How long does it take to fly from Boston, MA (BOS-Logan Intl.) to London (LHR-Heathrow)?
Direct flights from BOS to LHR usually take about 6 hours 50 minutes, traveling roughly 3,257 miles. If you opt for a connecting flight, expect to add around 4 hours to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Boston, MA (BOS-Logan Intl.) to London (LHR-Heathrow)?
Select the "Business class" and "First class" filters when looking for BOS to LHR flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Boston, MA (BOS-Logan Intl.) to London (LHR-Heathrow) flight with Expedia?
It's easy to earn miles on a Boston, MA (BOS-Logan Intl.) to London (LHR-Heathrow) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for London from Logan Intl. (BOS)?
When traveling from Logan Intl. (BOS) to London, you can fly into Stansted (STN), London City (LCY), Heathrow (LHR), Gatwick (LGW) and London Intl. (YXU). Some flights may connect through major hubs like John F. Kennedy Intl. (JFK) before reaching London. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Boston, MA (BOS-Logan Intl.) to London (LHR-Heathrow) at the last minute?
Typically, booking a last minute flight from Boston, MA (BOS-Logan Intl.) to London (LHR-Heathrow) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Boston, MA (BOS-Logan Intl.) to London (LHR-Heathrow) flight and hotel package?
Securing a Boston, MA (BOS-Logan Intl.) to London (LHR-Heathrow) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Boston, MA (BOS-Logan Intl.) to London (LHR-Heathrow)?
If you booked your Boston, MA (BOS-Logan Intl.) to London (LHR-Heathrow) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Logan Intl.
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, ITA Airways, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, United, Virgin Atlantic
Return price
£458
Distance
5210 km
Average flight time
11 hours 44 mins

Book with confidence

Compare flights from Boston to London easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Boston to London. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Heathrow in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Logan Intl. to Heathrow.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Logan Intl. (BOS) to Heathrow (LHR)

The easiest way to view the best deals on flights from Boston to London today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Logan Intl. to Heathrow start at just £458 and range up to £563.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Boston and London
  • booking your flight during August, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Boston to London flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Logan Intl. to Heathrow for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Boston to London easily and book with confidence

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*Available to Expedia members.