S$286 Cheap Flights from Boston to London

View S$286 flight on Tue, 30 Sep, 2025Opens in a new window

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

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Cheap Flights from Boston to London (BOS-LHR)

Prices were available within the past 7 days and start at S$286 for one-way flights and S$642 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, 16 Oct - Sun, 19 Oct
BOS
Boston
LHR
London
S$642 Return, found 4 days ago
S$642
Return
found 4 days ago
Select United flight, departing Thu, 16 Oct from Boston to London, returning Sun, 19 Oct, priced at S$642 found 4 days ago
United
Fri, 26 Sep - Sat, 4 Oct
BOS
Boston
LHR
London
S$644 Return, found 1 day ago
S$644
Return
found 1 day ago
Select United flight, departing Fri, 26 Sep from Boston to London, returning Sat, 4 Oct, priced at S$644 found 1 day ago
United
Thu, 16 Oct - Sun, 19 Oct
BOS
Boston
LHR
London
S$646 Return, found 4 days ago
S$646
Return
found 4 days ago
Select United flight, departing Thu, 16 Oct from Boston to London, returning Sun, 19 Oct, priced at S$646 found 4 days ago
Air Canada
Thu, 9 Oct - Wed, 15 Oct
BOS
Boston
LHR
London
S$655 Return, found 5 days ago
S$655
Return
found 5 days ago
Select Air Canada flight, departing Thu, 9 Oct from Boston to London, returning Wed, 15 Oct, priced at S$655 found 5 days ago
Virgin Atlantic
Wed, 13 Aug - Wed, 20 Aug
BOS
Boston
LHR
London
S$664 Return, found 1 day ago
S$664
Return
found 1 day ago
Select Virgin Atlantic flight, departing Wed, 13 Aug from Boston to London, returning Wed, 20 Aug, priced at S$664 found 1 day ago
United
Thu, 14 Aug - Thu, 21 Aug
BOS
Boston
LHR
London
S$664 Return, found 3 hours ago
S$664
Return
found 3 hours ago
Select United flight, departing Thu, 14 Aug from Boston to London, returning Thu, 21 Aug, priced at S$664 found 3 hours ago
Delta
Thu, 21 Aug - Sat, 30 Aug
BOS
Boston
LHR
London
S$664 Return, found 3 days ago
S$664
Return
found 3 days ago
Select Delta flight, departing Thu, 21 Aug from Boston to London, returning Sat, 30 Aug, priced at S$664 found 3 days ago
Air Canada
Fri, 10 Oct - Tue, 14 Oct
BOS
Boston
LHR
London
S$666 Return, found 5 days ago
S$666
Return
found 5 days ago
Select Air Canada flight, departing Fri, 10 Oct from Boston to London, returning Tue, 14 Oct, priced at S$666 found 5 days ago
United
Thu, 14 Aug - Thu, 21 Aug
BOS
Boston
LHR
London
S$671 Return, found 3 hours ago
S$671
Return
found 3 hours ago
Select United flight, departing Thu, 14 Aug from Boston to London, returning Thu, 21 Aug, priced at S$671 found 3 hours ago
Swiss International Air Lines
Thu, 16 Oct - Sun, 19 Oct
BOS
Boston
LHR
London
S$691 Return, found 4 days ago
S$691
Return
found 4 days ago
Select Swiss International Air Lines flight, departing Thu, 16 Oct from Boston to London, returning Sun, 19 Oct, priced at S$691 found 4 days ago

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

November is typically the cheapest month to fly

From S$492 - S$769 per traveller.

Graph displaying average flight prices per month

Boston to London route information
Origin airport
Logan Intl.
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Delta, Finnair, Iberia, KLM, Lufthansa, Swiss International Air Lines, United, Virgin Atlantic
Return price
S$642
Distance
5210 km
Average flight time
11 hours 41 mins

Flights from Boston to London

There are several airlines that operate frequent flights from Boston (BOS) to London (LHR) including

The earliest flight leaves Logan Intl. Airport at 07:45 and arrives at Heathrow Airport at 05:10. The last flight of the day departs Boston at 22:40 and arrives at London at 19:30.

The flight distance from Boston to London is about 5268 km, the shortest flight is 06 hours 15 minutes with Virgin Atlantic.

Expedia lets you search across the largest number of airlines and London flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Boston London flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Boston to London trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your London flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Boston to London with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

Frequently asked questions

How much is a flight from Logan Intl. Airport to LHR?
If you're travelling between BOS and London Heathrow, round-trip flights start from S$642. This figure is based on airfares listed within the last 7 days on Expedia for flights departing within the next year, so don't let a good deal slip through your fingers. Book now and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Logan Intl. Airport to Heathrow Airport (LHR)?
Every airline has a different set of terms and conditions. If you decide to cancel your holiday, head to our Customer Service Portal.
How do I find cheap flights from Logan Intl. Airport to London Heathrow that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for BOS to LHR flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Logan Intl. Airport to Heathrow Airport?
With around 5,200 kilometres separating Boston and Hounslow, your flight will be a long one. Pack wisely and make your journey more comfortable. Things like an eye mask and a quality travel pillow can make all the difference.
Which airlines fly direct from BOS to LHR?
If you need to get from BOS to Heathrow Airport, you're spoiled for choice. Among the top carriers that service this route are:

  • British Airways - (BA) with 91 monthly flights
  • JetBlue Airways - (B6) with 30 monthly flights
  • Virgin Atlantic - (VS) with 30 monthly flights
  • American Airlines - (AA) with 30 monthly flights
  • United Airlines - (UA) with 30 monthly flights
  • Delta Air Lines - (DL) with 30 monthly flights

Are BOS to LHR flight tickets cheaper when they're purchased at the last minute?
Booking your trip from BOS to Heathrow Airport (LHR) at the last minute could save you some serious cash. However, it could end up costing a great deal more! If you'd prefer not to take the risk, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains up to a year in advance. If your preferred carrier hasn't released tickets yet, check back frequently as deals are updated on Expedia all the time.

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