YXU - BOS

$176 Find Cheap Flights from London to Boston - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$477
Typical prices: $689-$828
Multiple Airlines
Tue 10/16Tue 10/23
YXU - BOS • 2 stops
When to travel
October
Cheapest • 44% price drop
July
Most popular
Good to know
+1
Good to know
+1
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Cheap Flights from London to Boston (YXU-BOS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from London to Boston

Fri, Oct 16 - Fri, Oct 23
Multiple Airlines Logo
6:10 am - 3:57 pmYXU  London-BOS Boston Logan Intl
33h 47m2 stops Calgary Ottawa
Multiple Airlines Logo
6:30 pm - 5:20 amBOS  Boston Logan Intl-YXU London
10h 50m1 stop Calgary
$477Multiple Airlines
Thu, Oct 15 - Thu, Oct 22
Multiple Airlines Logo
6:10 am - 9:05 amYXU  London-BOS Boston Logan Intl
26h 55m3 stops Calgary Kelowna Toronto Pearson Intl
Multiple Airlines Logo
10:05 am - 5:20 amBOS  Boston Logan Intl-YXU London
19h 15m2 stops Toronto Pearson Intl Calgary
$582Multiple Airlines
Wed, Mar 17 - Mon, Mar 22
Air Canada Logo
5:30 am - 10:10 amYXU  London-BOS Boston Logan Intl
4h 40m1 stop Toronto Pearson Intl
Air Canada Logo
5:30 am - 2:39 pmBOS  Boston Logan Intl-YXU London
9h 09m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
$592Air Canada
Wed, Mar 17 - Mon, Mar 22
Air Canada Logo
3:20 pm - 9:25 pmYXU  London-BOS Boston Logan Intl
6h 05m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
5:30 am - 2:39 pmBOS  Boston Logan Intl-YXU London
9h 09m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
$596Air Canada
Thu, Oct 15 - Thu, Oct 22
Multiple Airlines Logo
6:10 am - 9:05 amYXU  London-BOS Boston Logan Intl
26h 55m3 stops Calgary Kelowna Toronto Pearson Intl
Multiple Airlines Logo
10:05 am - 5:20 amBOS  Boston Logan Intl-YXU London
19h 15m3 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl Calgary
$606Multiple Airlines
Fri, Oct 16 - Fri, Oct 23
Multiple Airlines Logo
6:10 am - 9:05 amYXU  London-BOS Boston Logan Intl
26h 55m3 stops Calgary Winnipeg Toronto Pearson Intl
Multiple Airlines Logo
6:30 pm - 5:20 amBOS  Boston Logan Intl-YXU London
10h 50m1 stop Calgary
$607Multiple Airlines
Mon, Oct 19 - Thu, Oct 22
Air Canada Logo
6:20 pm - 10:40 pmYXU  London-BOS Boston Logan Intl
4h 20m1 stop Toronto Pearson Intl
Air Canada Logo
10:50 am - 2:50 pmBOS  Boston Logan Intl-YXU London
4h 00m1 stop Toronto Pearson Intl
$616Air Canada
Thu, Oct 15 - Thu, Oct 22
Multiple Airlines Logo
6:10 am - 9:05 amYXU  London-BOS Boston Logan Intl
26h 55m3 stops Calgary Kelowna Toronto Pearson Intl
Multiple Airlines Logo
10:05 am - 5:20 amBOS  Boston Logan Intl-YXU London
19h 15m2 stops Toronto Pearson Intl Calgary
$616Multiple Airlines
Mon, Oct 19 - Thu, Oct 22
Air Canada Logo
6:20 pm - 10:40 pmYXU  London-BOS Boston Logan Intl
4h 20m1 stop Toronto Pearson Intl
Air Canada Logo
5:50 am - 2:50 pmBOS  Boston Logan Intl-YXU London
9h 00m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
$619Air Canada
Wed, Mar 17 - Mon, Mar 22
Air Canada Logo
9:15 am - 2:15 pmYXU  London-BOS Boston Logan Intl
5h 00m1 stop Toronto Pearson Intl
Air Canada Logo
11:05 am - 9:49 pmBOS  Boston Logan Intl-YXU London
10h 44m1 stop Toronto Pearson Intl
$625Air Canada
Booking Insights

Price, demand and travel trends for London to Boston flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from London to Boston with more confidence.

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

Air Canada ($592) offered the cheapest round-trip ticket from London to Boston in the last 5 days.

Find deals

Key details for London to Boston flights

Low season

December

Cheapest flight

$176
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

Your London to Boston flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from London to Boston?

    Flights from London to Boston usually depart from London (YXU) and arrive at Boston Logan Intl (BOS).

  • What cabin classes can I book on flights from London to Boston?

    Only Economy Class is available on flights from London to Boston.

  • Which airports do connecting flights from London to Boston pass through?

    Most connecting flights from London to Boston pass through Toronto Pearson Intl (YYZ), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.

  • Can I save money by using flexible dates for flights from London to Boston?

    Yes. Being flexible with your travel dates can save you up to 55% on the London to Boston route. Thursday is the cheapest departure day at $463 round-trip on average, while Sunday is the most expensive at $1,010, a difference of $547. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Boston?

    Some of the most popular sights in Boston are Fenway Park, TD Garden and Boston Common. These are among the most viewed places in Boston on KAYAK.

  • Do I need a passport to fly from London to Boston?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from London to Boston changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $477 to $3,798. That means the highest observed fare was about 8x higher than the lowest one.

  • What car rental options are available at Boston Logan Intl Airport (BOS)?

    Boston Logan Intl Airport (BOS) hosts 5 major car rental companies, with daily rates starting from around $23 for economy cars. Top options include:
    • Dollar
    • Hertz
    • Budget
    • Thrifty
    • Sixt

Your guide to booking London to Boston flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Thursday departure instead of Sunday. On this route, Thursday flights average $463 - about $547 less than Sunday (54% savings) based on the last 12 months.
  • If you can choose when to travel, plan your London to Boston trip for October. Fares historically average $463 round-trip in that month - typically $547 less than the most expensive month, which is September (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Boston Logan Intl Airport.
    - Hilton Boston Logan Airport
    - Embassy Suites by Hilton Boston at Logan Airport
    - Hilton Garden Inn Boston Logan Airport

More options for your flight from London to Boston

Complete your trip to Boston with a hotel stay or car rental

Car rentals in Boston
Hotels in Boston
Vacations in Boston