YXU - BOS

$270 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 6/13. 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

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 22% 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.

Flights Deals
Useful Info
Flights Deals

Cheap Flights from London to Boston

 
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.

Recent round-trip flight deals from London to Boston

KAYAK's recommended round-trip deals from the most popular airlines that fly from London to Boston.
Discover the best prices for you by selecting your travel dates on KAYAK.
Air Canada Logo
6:15 am - 2:32 pmYXU-BOS
8h 17m2 stops
Air Canada Logo
5:50 am - 3:03 pmBOS-YXU
9h 13m2 stops
$463Air Canada
Find Deal
Sat, May 24 - Sat, May 31
Air Canada Logo
6:15 am - 2:32 pmYXU-BOS
8h 17m2 stops
Air Canada Logo
5:50 am - 2:57 pmBOS-YXU
9h 07m2 stops
$471Air Canada
Find Deal
Sat, Jun 14 - Sat, Jun 21
Air Canada Logo
6:15 am - 2:32 pmYXU-BOS
8h 17m2 stops
Air Canada Logo
10:40 am - 2:57 pmBOS-YXU
4h 17m1 stop
$474Air Canada
Find Deal
Sat, Jun 14 - Sat, Jun 21
Air Canada Logo
9:55 am - 3:58 pmYXU-BOS
6h 03m1 stop
Air Canada Logo
4:45 pm - 9:27 pmBOS-YXU
4h 42m1 stop
$477Air Canada
Find Deal
Sat, Jun 14 - Sat, Jun 21
 Logo
3:35 pm - 9:03 amYXU-BOS
17h 28m3 stops
 Logo
7:00 pm - 5:14 amBOS-YXU
34h 14m2 stops
Sat, Jun 14 - Sat, Jun 21
 Logo
3:35 pm - 9:03 amYXU-BOS
17h 28m3 stops
 Logo
7:00 pm - 5:14 amBOS-YXU
34h 14m3 stops
Sat, Jun 14 - Sat, Jun 21
Useful Info

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.

What is the cheapest month to fly from London to Boston?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from London to Boston, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from London to Boston is July, where tickets cost $424 (return) on average. On the other hand, the most expensive months are January and March, where the average cost of round-trip tickets is $887 and $559 respectively.

Good to know

Low seasonMarch
High seasonAugust
Cheapest flight$270
Best time to beat the crowds but there is an average 9% increase in price.
Most popular time to fly and prices are also 6% lower on average.
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 $270 for a one-way ticket and $463 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.

  • Which airline alliances offer flights from London to Boston?

    Star Alliance is the only airline alliance operating flights between London and Boston.

  • 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

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