YXU - BOS

$299 Find Cheap Flights from London to Boston

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from London to Boston departing on 3/16. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Boston

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Boston, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Boston, as well as popular online travel agencies
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41 299 237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$598
Air Canada
Mon 3/2Wed 3/4
YXU - BOS • 1 stop
Cheapest one-way
$299
Multiple Airlines
Mon 3/16
YXU - BOS • 2 stops
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We hope you love your trip to Boston!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from London to Boston (YXU-BOS)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from London to Boston that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from London to Boston

Mon, Mar 2 - Wed, Mar 4
Air Canada Logo
5:10 am - 10:02 am
YXU
-
BOS
4h 52m
1 stop
Air Canada Logo
10:45 am - 5:05 pm
BOS
-
YXU
6h 20m
1 stop
$598Air Canada
Mon, Mar 2 - Wed, Mar 4
Air Canada Logo
5:40 pm - 10:37 pm
YXU
-
BOS
4h 57m
1 stop
Air Canada Logo
1:00 pm - 5:05 pm
BOS
-
YXU
4h 05m
1 stop
$599Air Canada
Mon, Mar 2 - Wed, Mar 4
Air Canada Logo
5:40 pm - 10:37 pm
YXU
-
BOS
4h 57m
1 stop
Air Canada Logo
10:45 am - 5:05 pm
BOS
-
YXU
6h 20m
1 stop
$600Air Canada
Mon, Mar 2 - Wed, Mar 4
Air Canada Logo
5:10 am - 2:52 pm
YXU
-
BOS
9h 42m
2 stops
Air Canada Logo
10:45 am - 5:05 pm
BOS
-
YXU
6h 20m
1 stop
$601Air Canada
Mon, Mar 2 - Wed, Mar 4
Air Canada Logo
9:25 am - 7:12 pm
YXU
-
BOS
9h 47m
2 stops
Air Canada Logo
10:45 am - 5:05 pm
BOS
-
YXU
6h 20m
1 stop
$602Air Canada
Mon, Mar 2 - Wed, Mar 4
Air Canada Logo
5:10 am - 2:52 pm
YXU
-
BOS
9h 42m
2 stops
Air Canada Logo
1:00 pm - 5:05 pm
BOS
-
YXU
4h 05m
1 stop
$604Air Canada
Thu, Feb 26 - Sat, Feb 28
Air Canada Logo
9:25 am - 3:57 pm
YXU
-
BOS
6h 32m
1 stop
Air Canada Logo
4:35 pm - 9:21 pm
BOS
-
YXU
4h 46m
1 stop
$627Air Canada
Thu, Feb 26 - Sat, Feb 28
Air Canada Logo
9:25 am - 7:42 pm
YXU
-
BOS
10h 17m
2 stops
Air Canada Logo
1:00 pm - 5:05 pm
BOS
-
YXU
4h 05m
1 stop
$636Air Canada
Mon, Mar 2 - Wed, Mar 4
Air Canada Logo
9:25 am - 7:12 pm
YXU
-
BOS
9h 47m
2 stops
Air Canada Logo
10:15 am - 5:05 pm
BOS
-
YXU
6h 50m
2 stops
$660Air Canada
Mon, Mar 2 - Wed, Mar 4
Air Canada Logo
5:10 am - 2:52 pm
YXU
-
BOS
9h 42m
2 stops
Air Canada Logo
10:15 am - 5:05 pm
BOS
-
YXU
6h 50m
2 stops
$662Air Canada
Booking Insights

KAYAK's insights & trends for London to Boston flights

Get data-powered insights and trends into flights from London to Boston to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from London to Boston?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from London to Boston were found on Air Canada ($598) and United Airlines ($690).

Find deals

Good to know

Cheapest flight$299
Flight from London to Boston

When to book flights from London to Boston

Are your dates flexible? Find out the best times to travel from London to Boston based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from London to Boston

  • What is the cheapest flight from London to Boston?

    In the last 3 days, the lowest price for a flight from London to Boston was $299 for a one-way ticket and $598 for a round-trip.

  • Do I need a passport to fly between London and Boston?

    Yes, you'll most likely have to show a valid passport before boarding the plane in London and on arrival in Boston.

  • Which airports will I be using when flying from London to Boston?

    London airport is called London and the only airport in Boston is Boston Logan Intl.

  • Which aircraft models fly most regularly from London to Boston?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from London to Boston?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London to Boston.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London to Boston?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boston from London is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from London to Boston?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Boston with an airline and back to London with another airline. Booking your flights between London and BOS can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London to Boston?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Boston from London up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from London to Boston

Information on your arrival and departure airports

London (YXU)
Boston (BOS)