YXU - BOS

$273 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
$648
Typical prices: $650-$801
Multiple Airlines
Mon 1/29Wed 1/31
YXU - BOS • 1 stop
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Booking Insights
Flight Deals

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, Jan 29 - Sun, Jan 31
Multiple Airlines Logo
6:15 am - 11:59 amYXU  London-BOS Boston Logan Intl
29h 44m1 stop Fort Lauderdale
Multiple Airlines Logo
8:34 am - 11:40 pmBOS  Boston Logan Intl-YXU London
15h 06m1 stop Cancun
$648Multiple Airlines
Wed, Jan 27 - Thu, Jan 28
Air Canada Logo
9:15 am - 2:18 pmYXU  London-BOS Boston Logan Intl
5h 03m1 stop Toronto Pearson Intl
Air Canada Logo
5:30 am - 2:42 pmBOS  Boston Logan Intl-YXU London
9h 12m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
$763Air Canada
Wed, Jan 27 - Thu, Jan 28
Air Canada Logo
9:15 am - 7:02 pmYXU  London-BOS Boston Logan Intl
9h 47m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
5:30 am - 2:42 pmBOS  Boston Logan Intl-YXU London
9h 12m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
$766Air Canada
Thu, Dec 10 - Mon, Dec 14
Air Canada Logo
5:30 am - 10:22 amYXU  London-BOS Boston Logan Intl
4h 52m1 stop Toronto Pearson Intl
Air Canada Logo
5:30 am - 2:42 pmBOS  Boston Logan Intl-YXU London
9h 12m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
$776Air Canada
Thu, Dec 10 - Mon, Dec 14
Air Canada Logo
9:15 am - 7:02 pmYXU  London-BOS Boston Logan Intl
9h 47m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
5:30 am - 2:42 pmBOS  Boston Logan Intl-YXU London
9h 12m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
$780Air Canada
Thu, Dec 10 - Mon, Dec 14
Air Canada Logo
5:30 am - 10:22 amYXU  London-BOS Boston Logan Intl
4h 52m1 stop Toronto Pearson Intl
Air Canada Logo
5:30 am - 2:42 pmBOS  Boston Logan Intl-YXU London
9h 12m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
$784Air Canada
Thu, Dec 10 - Mon, Dec 14
Air Canada Logo
9:15 am - 7:02 pmYXU  London-BOS Boston Logan Intl
9h 47m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
5:30 am - 2:42 pmBOS  Boston Logan Intl-YXU London
9h 12m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
$788Air Canada
Wed, Dec 16 - Wed, Dec 23
Air Canada Logo
5:30 am - 10:17 amYXU  London-BOS Boston Logan Intl
4h 47m1 stop Toronto Pearson Intl
Air Canada Logo
7:40 pm - 8:32 amBOS  Boston Logan Intl-YXU London
12h 52m1 stop Toronto Pearson Intl
$791Air Canada
Wed, Jan 27 - Thu, Jan 28
Air Canada Logo
5:30 am - 10:12 amYXU  London-BOS Boston Logan Intl
4h 42m1 stop Toronto Pearson Intl
Air Canada Logo
7:40 pm - 8:37 amBOS  Boston Logan Intl-YXU London
12h 57m1 stop Toronto Pearson Intl
$796Air Canada
Wed, Dec 16 - Wed, Dec 23
Air Canada Logo
3:20 pm - 9:28 pmYXU  London-BOS Boston Logan Intl
6h 08m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
7:40 pm - 8:32 amBOS  Boston Logan Intl-YXU London
12h 52m1 stop Toronto Pearson Intl
$800Air 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 with more confidence.

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

Air Canada ($763) offered the cheapest round-trip ticket from London to Boston in the last 5 days.

Key details for London to Boston flights

Cheapest flight

$273
One-way 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 answers about this route, including flight times, airports, airlines and booking tips.

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

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

  • 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 $648 to $1,306. That means the highest observed fare was about 2x 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 averaging $79 for economy cars. Top options include:

    • Dollar
    • Hertz
    • Budget
    • Thrifty
    • Sixt

  • 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).

  • 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.

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

    Yes. Flexible dates can save you up to 23% on flights from London to Boston. Tuesday is the cheapest departure day at $650 round-trip on average, while Friday is the most expensive at $840, a difference of $190.

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

Your guide to booking London to Boston flights

Get tips on when to book, when to fly and what to know before your trip.

More options for your flight from London to Boston

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