YXU - BOS

C$ 263 Find Cheap Flights from London to Boston – Compare and Save

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Everything you should know

Cheapest round-trip
C$ 856
Typical prices: C$ 957-C$ 1,150
Air Canada
Fri 19/10Mon 22/10
YXU - BOS • 1 stop
When to travel
October
Cheapest • 44% price drop
July
Most popular
Good to know
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Good to know
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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

Mon, 19 Oct - Thu, 22 Oct
Air Canada Logo
6:20 p.m. - 10:40 p.m.YXU  London-BOS Boston Logan Intl
4h 20m1 stop Toronto Pearson Intl
Air Canada Logo
10:50 a.m. - 2:50 p.m.BOS  Boston Logan Intl-YXU London
4h 00m1 stop Toronto Pearson Intl
C$ 856Air Canada
Mon, 19 Oct - Thu, 22 Oct
Air Canada Logo
6:20 p.m. - 10:40 p.m.YXU  London-BOS Boston Logan Intl
4h 20m1 stop Toronto Pearson Intl
Air Canada Logo
10:50 a.m. - 2:50 p.m.BOS  Boston Logan Intl-YXU London
4h 00m1 stop Toronto Pearson Intl
C$ 857Air Canada
Mon, 19 Oct - Thu, 22 Oct
Air Canada Logo
6:20 p.m. - 10:40 p.m.YXU  London-BOS Boston Logan Intl
4h 20m1 stop Toronto Pearson Intl
Air Canada Logo
10:50 a.m. - 2:50 p.m.BOS  Boston Logan Intl-YXU London
4h 00m1 stop Toronto Pearson Intl
C$ 859Air Canada
Mon, 19 Oct - Thu, 22 Oct
Air Canada Logo
6:20 p.m. - 10:40 p.m.YXU  London-BOS Boston Logan Intl
4h 20m1 stop Toronto Pearson Intl
Air Canada Logo
5:50 a.m. - 2:50 p.m.BOS  Boston Logan Intl-YXU London
9h 00m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
C$ 860Air Canada
Mon, 19 Oct - Thu, 22 Oct
Air Canada Logo
6:20 p.m. - 10:40 p.m.YXU  London-BOS Boston Logan Intl
4h 20m1 stop Toronto Pearson Intl
Air Canada Logo
5:50 a.m. - 2:50 p.m.BOS  Boston Logan Intl-YXU London
9h 00m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
C$ 861Air Canada
Mon, 19 Oct - Thu, 22 Oct
Air Canada Logo
6:20 p.m. - 10:40 p.m.YXU  London-BOS Boston Logan Intl
4h 20m1 stop Toronto Pearson Intl
Air Canada Logo
5:50 a.m. - 2:50 p.m.BOS  Boston Logan Intl-YXU London
9h 00m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
C$ 863Air Canada
Fri, 16 Oct - Mon, 19 Oct
Air Canada Logo
3:30 p.m. - 9:26 p.m.YXU  London-BOS Boston Logan Intl
5h 56m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
5:50 a.m. - 2:50 p.m.BOS  Boston Logan Intl-YXU London
9h 00m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
C$ 867Air Canada
Mon, 19 Oct - Thu, 22 Oct
Air Canada Logo
3:30 p.m. - 9:26 p.m.YXU  London-BOS Boston Logan Intl
5h 56m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
5:50 a.m. - 2:50 p.m.BOS  Boston Logan Intl-YXU London
9h 00m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
C$ 868Air Canada
Fri, 9 Oct - Fri, 16 Oct
Air Canada Logo
6:20 p.m. - 10:40 p.m.YXU  London-BOS Boston Logan Intl
4h 20m1 stop Toronto Pearson Intl
Air Canada Logo
10:50 a.m. - 2:50 p.m.BOS  Boston Logan Intl-YXU London
4h 00m1 stop Toronto Pearson Intl
C$ 872Air Canada
Mon, 19 Oct - Thu, 22 Oct
Air Canada Logo
3:30 p.m. - 9:26 p.m.YXU  London-BOS Boston Logan Intl
5h 56m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
5:50 a.m. - 2:50 p.m.BOS  Boston Logan Intl-YXU London
9h 00m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
C$ 874Air 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.

How much is a round-trip flight from London to Boston?

Round-trip flights from London to Boston start at C$ 856. Prices are below average for this route right now, with typical round-trip fares ranging from C$ 957 to C$ 1,150. The lowest price found in the past 5 days was C$ 856 on Air Canada.

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Key details for London to Boston flights

Low season

December

Cheapest flight

C$ 263
Flights 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).

  • 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 C$ 643 round-trip on average, while Sunday is the most expensive at C$ 1,403, a difference of C$ 760. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • Which popular places can I visit in Boston?

    Some of the most popular sights in Boston are Fenway Park, TD Garden, and Back Bay. 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 C$ 856 to C$ 3,066. That means the highest observed fare was about 4x 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 C$ 32 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 are flexible, aim for a Thursday departure instead of Sunday. On this route, Thursday flights average C$ 643 – about C$ 760 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 C$ 643 round-trip in that month – typically C$ 760 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.
    - Embassy Suites by Hilton Boston at Logan Airport
    - Hilton Garden Inn Boston Logan Airport
    - Hilton 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