YXU - BOS

$540 Find Cheap Flights from London to Boston

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from London to Boston departing on 4/28. 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
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 23% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest round-trip
$540
Air Canada
Tue 4/28Wed 4/29
YXU - BOS • 2 stops
Cheapest one-way
Multiple Airlines
Thu 10/30
YXU - BOS • multi-stop
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
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

Tue, Apr 28 - Wed, Apr 29
Air Canada Logo
5:10 am - 2:52 pmYXU-BOS
9h 42m2 stops
Air Canada Logo
4:35 pm - 9:18 pmBOS-YXU
4h 43m1 stop
$540Air Canada
Find Deal
Tue, Apr 28 - Wed, Apr 29
Air Canada Logo
5:10 am - 9:51 amYXU-BOS
4h 41m1 stop
Air Canada Logo
10:45 am - 5:03 pmBOS-YXU
6h 18m1 stop
$541Air Canada
Find Deal
Tue, Apr 28 - Wed, Apr 29
Air Canada Logo
5:10 am - 2:52 pmYXU-BOS
9h 42m2 stops
Air Canada Logo
1:00 pm - 5:03 pmBOS-YXU
4h 03m1 stop
$542Air Canada
Find Deal
Wed, Dec 10 - Wed, Dec 17
Air Canada Logo
5:10 am - 9:57 amYXU-BOS
4h 47m1 stop
Air Canada Logo
6:15 am - 5:05 pmBOS-YXU
10h 50m1 stop
$568Air Canada
Find Deal
Wed, Dec 10 - Wed, Dec 17
Air Canada Logo
5:40 pm - 10:37 pmYXU-BOS
4h 57m1 stop
Air Canada Logo
5:30 am - 5:05 pmBOS-YXU
11h 35m2 stops
$573Air Canada
Find Deal
Wed, Dec 10 - Wed, Dec 17
Air Canada Logo
5:10 am - 2:52 pmYXU-BOS
9h 42m2 stops
Air Canada Logo
5:30 am - 5:05 pmBOS-YXU
11h 35m2 stops
$579Air Canada
Find Deal
Tue, Apr 28 - Wed, Apr 29
United Airlines Logo
5:10 am - 3:25 pmYXU-BOS
10h 15m2 stops
United Airlines Logo
11:27 am - 9:18 pmBOS-YXU
9h 51m2 stops
$606United Airlines
Find Deal
Tue, Apr 28 - Wed, Apr 29
United Airlines Logo
9:25 am - 5:25 pmYXU-BOS
8h 00m2 stops
United Airlines Logo
12:30 pm - 9:18 pmBOS-YXU
8h 48m2 stops
$607United Airlines
Find Deal
Tue, Apr 28 - Wed, Apr 29
United Airlines Logo
9:25 am - 5:25 pmYXU-BOS
8h 00m2 stops
United Airlines Logo
11:27 am - 9:18 pmBOS-YXU
9h 51m2 stops
$608United Airlines
Find Deal
Thu, Nov 20 - Sat, Nov 22
Multiple Airlines Logo
8:10 pm - 11:53 pmYXU-BOS
27h 43m3 stops
Multiple Airlines Logo
3:40 pm - 7:12 pmBOS-YXU
27h 32m3 stops
$636Multiple Airlines
Find Deal
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 ($540) and United Airlines ($606).

Find deals

Good to know

Low seasonFebruary
Cheapest flight$540
Best time to beat the crowds with an average 28% drop in price.
Most popular time to fly with an average 8% increase in price.
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 $540 for a round-trip ticket.

  • 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)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.