43% OFF Cheap Flights from Boston to London (LON)

Expected price increase 30%
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Average price per month


  • Low Season: December
  • High Season: July
  • Prices for this route are volatile and fluctuate from month to month.
  • The cheapest flights are usually bought in December, November and February.
  • High season months are June, August and July. However, it's not the rule and you should always search current flight deals.
  • For example, the flight from Boston to London is currently 43% cheaper than average.

Price increase as travel date approaches


  • Flight prices for this route increase by 39% if you book last minute. Hover on the graph above to see for yourself!.
  • To grab the lowest price possible, you should buy your flight around 53 days before departure!
  • Consider booking at least 24 days before departure to increase your chances of getting a low price.
  • Generally, it's safe to book between 90 and 60 days in advance.

Boston to London Flight Information

Flights Depart FromBoston (BOS)
Flights Arriving ToLondon (LHR)
Distance5242.56 km
Current Discount43 %
Average Price $455.56
Good Deal $334.4
Cheapest AirlinesAir Canada, United Airlines
Popular AirlinesVirgin Atlantic Airways, Delta Air Lines, Swiss International Air Lines, Finnair, Lufthansa, WestJet, Aer Lingus, Austrian Airlines, British Airways, Icelandair
Flight Duration06 hours 43 minutes
Flights Depart From
Boston (BOS)
Flights Arrive In
London (LHR)
Distance
5242.56 km
Flight Duration
06 hours 43 minutes
Current Discount
43 %
Average Price
$455.56
Good Deal
$334.4
Cheapest Airlines
Air Canada, United Airlines
Popular Airlines
Virgin Atlantic Airways, Delta Air Lines, Swiss International Air Lines, Finnair, Lufthansa, WestJet, Aer Lingus, Austrian Airlines, British Airways, Icelandair

Most Reliable Airlines flying to London

Airline Overall Rating On time arrival Check-in & Boarding Cleanliness Customer Service Food & Beverage Entertainment Legroom Seat Comfort
Virgin Atlantic Airways Virgin Atlantic Airways 4.1 4.0 4.5 4.0 4.5 4.0 4.0 4.0 4.0
Delta Air Lines Delta Air Lines 3.8 4.5 4.0 4.0 4.0 3.5 4.0 3.5 3.5
Swiss International Air Lines Swiss International Air Lines 3.8 3.5 4.0 4.5 4.0 4.0 3.5 3.5 3.5
Finnair Finnair 3.7 4.0 4.0 4.0 4.0 3.5 3.0 3.5 3.5
Lufthansa Lufthansa 3.7 3.5 4.0 4.0 4.0 3.5 3.5 3.5 3.5
WestJet WestJet 3.7 4.0 4.0 4.0 4.0 3.5 3.0 3.5 3.5
Aer Lingus Aer Lingus 3.6 - 4.0 4.0 4.0 3.5 3.0 3.5 3.5
Austrian Airlines Austrian Airlines 3.6 3.5 4.0 4.0 4.0 3.5 3.0 3.5 3.5
British Airways British Airways 3.6 4.0 4.0 4.0 3.5 3.0 3.0 3.5 3.5
Icelandair Icelandair 3.6 3.5 3.5 4.0 4.0 3.0 3.5 3.5 3.5
Overall Rating
4.0
On time arrival
4.0
Check-in & Boarding
4.5
Cleanliness
4.0
Customer Service
4.5
Food & Beverage
4.0
Entertainment
4.0
Legroom
4.0
Seat Comfort
4.0
Overall Rating
4.0
On time arrival
4.5
Check-in & Boarding
4.0
Cleanliness
4.0
Customer Service
4.0
Food & Beverage
3.5
Entertainment
4.0
Legroom
3.5
Seat Comfort
3.5
Overall Rating
4.0
On time arrival
3.5
Check-in & Boarding
4.0
Cleanliness
4.5
Customer Service
4.0
Food & Beverage
4.0
Entertainment
3.5
Legroom
3.5
Seat Comfort
3.5
Overall Rating
3.5
On time arrival
4.0
Check-in & Boarding
4.0
Cleanliness
4.0
Customer Service
4.0
Food & Beverage
3.5
Entertainment
3.0
Legroom
3.5
Seat Comfort
3.5
Overall Rating
3.5
On time arrival
3.5
Check-in & Boarding
4.0
Cleanliness
4.0
Customer Service
4.0
Food & Beverage
3.5
Entertainment
3.5
Legroom
3.5
Seat Comfort
3.5
Overall Rating
3.5
On time arrival
4.0
Check-in & Boarding
4.0
Cleanliness
4.0
Customer Service
4.0
Food & Beverage
3.5
Entertainment
3.0
Legroom
3.5
Seat Comfort
3.5
Overall Rating
3.5
On time arrival
-
Check-in & Boarding
4.0
Cleanliness
4.0
Customer Service
4.0
Food & Beverage
3.5
Entertainment
3.0
Legroom
3.5
Seat Comfort
3.5
Overall Rating
3.5
On time arrival
3.5
Check-in & Boarding
4.0
Cleanliness
4.0
Customer Service
4.0
Food & Beverage
3.5
Entertainment
3.0
Legroom
3.5
Seat Comfort
3.5
Overall Rating
3.5
On time arrival
4.0
Check-in & Boarding
4.0
Cleanliness
4.0
Customer Service
3.5
Food & Beverage
3.0
Entertainment
3.0
Legroom
3.5
Seat Comfort
3.5
Overall Rating
3.5
On time arrival
3.5
Check-in & Boarding
3.5
Cleanliness
4.0
Customer Service
4.0
Food & Beverage
3.0
Entertainment
3.5
Legroom
3.5
Seat Comfort
3.5

Good to know:


  • London International is the major airport in London and surrounding area.

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How to get the cheapest flight to London?

Currently there is a 43% discount on flights to London. This price won't stay too long and you should consider buying now.

Flight prices for this route are expected to go up by 30%.

Search and compare flight options now!.

Awesome Deals

notifications_active In the past few days the following airlines offered the lowest prices from Boston to London: Air Canada and United Airlines..

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Frequently Asked Questions

  • How long is a direct flight from Boston to London?A direct flight from Boston to London takes roughly 06 hours 43 minutes.
  • How many direct flights are there between Boston to London daily?On average, there are 42 direct flights from Boston to London each day.
  • Which airlines offer cheap airfare from Boston to London?That may change at any time. But in the past 14 days, the cheapest tickets we've found were with Air Canada and United Airlines.
  • Do I need my passport to fly from Boston to London?Yes, you most certainly do.
  • Which airlines fly from Boston to London most often?Virgin Atlantic Airways, Delta Air Lines, Swiss International Air Lines, Finnair, Lufthansa, WestJet, Aer Lingus, Austrian Airlines, British Airways and Icelandair are the top.
  • What's the cheapest day to fly from Boston to London?That depends. Recently, the cheapest day to fly from Boston to London has been Friday. And the cheapest return flight from Wednesday has been. That said, the cheapest departure days are constantly changing.
  • Which airport will I be flying from in Boston?When departing from Boston you'll be flying out of Logan International.
  • Which airport will I be flying from in London?When departing from London you'll be flying out of Heathrow.
  • How is Justfly.com so good at finding cheap flights?We've taken an oath of secrecy and vowed never to say. Just kidding. Our team and technology allows us to browse through hundreds of airlines and hundreds of thousands of flights to find the lowest prices. Then we pass the savings on to you.
  • Can Justfly.com help me save money in any other way?We're glad you asked. We help you save money with our Fare Alerts, Price Trend charts and multi-ticket bookings. We also help you save on hotels and car rentals.
  • How many airlines does Justfly.com search to find affordable flights?We typically search over 400 airlines.
  • Can Justfly.com's Price Trend tool really tell me the best time to buy tickets?Absolutely! That's why we've made it accessible to you.
  • Will the price of my flight change?Flight prices and availability change often. To counter this, we update the important data as often as possible every step of the way.
  • How will I receive my booking confirmation and travel information?We'll send you an email with the important details!
  • Can you cancel or change Justfly.com flights?You sure can. But give us a call first. We'll do our best to find a solution. However, in some cases, if we cancel your booking, we'll have to charge an administrative fee of $75 (domestic), $125 (trans-border between Canada and USA) and $200 (international).
  • Are Justfly.com's tickets refundable?All bookings are currently non-refundable.
  • How do I contact Justfly.com?We're here to help. Give us a call at 1-800-717-5015.