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

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

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

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

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

Most connecting flights from Boston to London 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 Boston to London?

Yes. Flexible dates can save you up to 18% on flights from Boston to London. Thursday is the cheapest departure day at $665 round-trip on average, while Monday is the most expensive at $808, a difference of $143. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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

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 Boston to London 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 $793 to $2,280. That means the highest observed fare was about 3x higher than the lowest one.

How are flight prices from Boston to London looking right now?

One-way fares from Boston to London are currently higher than usual. Average one-way flight prices are about $356, which is 64% above the typical average for this route.

What car rental options are available at London Airport (YXU)?

London Airport (YXU) hosts 5 major car rental companies, with daily rates starting from around $28 for economy cars. Top options include: • Alamo • Enterprise Rent-A-Car • Budget • National • Avis

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

WestJet ($793) and Air Canada ($836) are the cheapest airlines to fly round-trip from Boston to London according to KAYAK data over the last 5 days.

What is the cheapest layover airport when flying from Boston to London?

Flights via Toronto Pearson Intl (YYZ) offer the most affordable fares, with an average round-trip price of $743. Based on KAYAK data over the past 3 months.

When flying from Boston to London which airport offers the shortest layover?

Toronto Pearson Intl (YYZ) had the shortest average connection time for Boston to London layovers at 4h over the past 3 months.

$313 CHEAP FLIGHTS from Boston to London (BOS - YXU)

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Cheapest round-trip

$793

Typical prices: $688-$727

WestJet

Thu 10/4Tue 10/23

BOS - YXU • 1 stop

Cheapest one-way

$313

Typical prices: $217-$217

Multiple Airlines

Fri 11/2

BOS - YXU • 2 stops

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Flight Deals

Cheap Flights from Boston to London (BOS-YXU)

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

Round-trip

One-way

Last minute

Recent round-trip flight deals from Boston to London

Thu, Nov 5 - Thu, Nov 12

1:15 pm - 5:35 amBOS Boston Logan Intl-YXU London

16h 20m3 stops Ottawa Winnipeg Calgary

6:40 am - 9:10 amYXU London-BOS Boston Logan Intl

26h 30m3 stops Calgary Vancouver Intl Toronto Pearson Intl

$799Multiple Airlines

Thu, Nov 5 - Thu, Nov 12

1:15 pm - 5:35 amBOS Boston Logan Intl-YXU London

16h 20m3 stops Ottawa Winnipeg Calgary

6:40 am - 9:10 amYXU London-BOS Boston Logan Intl

26h 30m2 stops Calgary Toronto Pearson Intl

$814Multiple Airlines

Fri, Nov 6 - Fri, Nov 13

9:50 am - 5:35 amBOS Boston Logan Intl-YXU London

19h 45m3 stops Toronto Pearson Intl Winnipeg Calgary

6:40 am - 9:10 amYXU London-BOS Boston Logan Intl

26h 30m3 stops Calgary Vancouver Intl Toronto Pearson Intl

$824Multiple Airlines

Wed, Nov 4 - Wed, Nov 11

3:10 pm - 9:57 pmBOS Boston Logan Intl-YXU London

6h 47m1 stop Toronto Pearson Intl

9:15 am - 2:18 pmYXU London-BOS Boston Logan Intl

5h 03m1 stop Toronto Pearson Intl

$836Air Canada

Fri, Nov 6 - Fri, Nov 13

3:10 pm - 9:57 pmBOS Boston Logan Intl-YXU London

6h 47m1 stop Toronto Pearson Intl

5:30 am - 10:22 amYXU London-BOS Boston Logan Intl

4h 52m1 stop Toronto Pearson Intl

$836Air Canada

Tue, Oct 20 - Fri, Oct 23

10:50 am - 2:50 pmBOS Boston Logan Intl-YXU London

4h 00m1 stop Toronto Pearson Intl

6:20 pm - 10:40 pmYXU London-BOS Boston Logan Intl

4h 20m1 stop Toronto Pearson Intl

$836Air Canada

Fri, Oct 9 - Sat, Oct 10

12:45 pm - 5:43 pmBOS Boston Logan Intl-YXU London

4h 58m1 stop Toronto Pearson Intl

6:20 pm - 10:40 pmYXU London-BOS Boston Logan Intl

4h 20m1 stop Toronto Pearson Intl

$836Air Canada

Thu, Nov 5 - Thu, Nov 12

3:10 pm - 9:57 pmBOS Boston Logan Intl-YXU London

6h 47m1 stop Toronto Pearson Intl

5:30 am - 10:22 amYXU London-BOS Boston Logan Intl

4h 52m1 stop Toronto Pearson Intl

$836Air Canada

Tue, Oct 20 - Fri, Oct 23

10:50 am - 2:50 pmBOS Boston Logan Intl-YXU London

4h 00m1 stop Toronto Pearson Intl

9:05 am - 6:07 pmYXU London-BOS Boston Logan Intl

9h 02m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$845Air Canada

Fri, Nov 6 - Fri, Nov 13

9:50 am - 5:35 amBOS Boston Logan Intl-YXU London

19h 45m2 stops Toronto Pearson Intl Calgary

6:40 am - 9:10 amYXU London-BOS Boston Logan Intl

26h 30m3 stops Calgary Vancouver Intl Toronto Pearson Intl

$853Multiple Airlines

Recent last minute flight deals from Boston to London

Fri, Sep 25 - Mon, Sep 28

10:03 am - 5:20 amBOS Boston Logan Intl-YXU London

19h 17m2 stops Seattle/Tacoma Intl Calgary

6:10 am - 5:40 pmYXU London-BOS Boston Logan Intl

11h 30m1 stop Calgary

$1,399Multiple Airlines

Fri, Sep 25 - Mon, Sep 28

6:30 pm - 5:20 amBOS Boston Logan Intl-YXU London

10h 50m1 stop Calgary

6:10 am - 5:40 pmYXU London-BOS Boston Logan Intl

11h 30m1 stop Calgary

$1,432WestJet

Fri, Sep 25 - Mon, Sep 28

7:00 am - 5:20 amBOS Boston Logan Intl-YXU London

22h 20m3 stops Toronto Island Ottawa Calgary

6:10 am - 5:40 pmYXU London-BOS Boston Logan Intl

11h 30m1 stop Calgary

$1,498Multiple Airlines

Fri, Sep 25 - Mon, Sep 28

7:00 am - 5:20 amBOS Boston Logan Intl-YXU London

22h 20m3 stops Toronto Island Ottawa Calgary

5:55 pm - 3:50 pmYXU London-BOS Boston Logan Intl

21h 55m2 stops Calgary Ottawa

$1,589Multiple Airlines

Fri, Sep 25 - Mon, Sep 28

7:00 am - 5:20 amBOS Boston Logan Intl-YXU London

22h 20m3 stops Toronto Island Ottawa Calgary

5:55 pm - 6:35 pmYXU London-BOS Boston Logan Intl

24h 40m3 stops Calgary Edmonton Toronto Pearson Intl

$1,737Multiple Airlines

Thu, Sep 24 - Sat, Sep 26

10:05 am - 5:20 amBOS Boston Logan Intl-YXU London

19h 15m2 stops Toronto Pearson Intl Calgary

6:10 am - 5:40 pmYXU London-BOS Boston Logan Intl

11h 30m1 stop Calgary

$1,951Multiple Airlines

Thu, Sep 24 - Sat, Sep 26

6:30 pm - 5:20 amBOS Boston Logan Intl-YXU London

10h 50m1 stop Calgary

6:10 am - 5:40 pmYXU London-BOS Boston Logan Intl

11h 30m1 stop Calgary

$2,074WestJet

Thu, Sep 24 - Sat, Sep 26

5:50 am - 2:50 pmBOS Boston Logan Intl-YXU London

9h 00m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

5:40 am - 9:55 amYXU London-BOS Boston Logan Intl

4h 15m1 stop Toronto Pearson Intl

$2,186Air Canada

Thu, Sep 24 - Sat, Sep 26

5:50 am - 2:50 pmBOS Boston Logan Intl-YXU London

9h 00m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

5:40 am - 2:41 pmYXU London-BOS Boston Logan Intl

9h 01m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$2,195Air Canada

Thu, Sep 24 - Sat, Sep 26

10:05 am - 5:20 amBOS Boston Logan Intl-YXU London

19h 15m3 stops Toronto Pearson Intl Ottawa Calgary

6:10 am - 9:05 amYXU London-BOS Boston Logan Intl

26h 55m2 stops Calgary Toronto Pearson Intl

$2,558Multiple Airlines

Booking Insights

Price, demand and travel trends for Boston to London flights

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

Prices

Airlines

Layovers

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

Round-trip flights from Boston to London typically range from $688 to $727. The lowest price found in the past 5 days was $793, on WestJet.

Find deals

Cheapest flight	$313

One-way flight from Boston to London

When to book flights from Boston to London

Are your dates flexible? Find out the best times to travel from Boston to London 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.

What cabin classes can I book on flights from Boston to London?
Only Economy Class is available on flights from Boston to London.
Do I need a passport to fly from Boston to London?
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 Boston to London 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 $793 to $2,280. That means the highest observed fare was about 3x higher than the lowest one.
How are flight prices from Boston to London looking right now?
One-way fares from Boston to London are currently higher than usual. Average one-way flight prices are about $356, which is 64% above the typical average for this route.
What car rental options are available at London Airport (YXU)?
London Airport (YXU) hosts 5 major car rental companies, with daily rates starting from around $28 for economy cars. Top options include:

• Alamo
• Enterprise Rent-A-Car
• Budget
• National
• Avis
Which airports can I use when flying from Boston to London?
Flights from Boston to London usually depart from Boston Logan Intl (BOS) and arrive at London (YXU).
Which airports do connecting flights from Boston to London pass through?
Most connecting flights from Boston to London 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 Boston to London?
Yes. Flexible dates can save you up to 18% on flights from Boston to London. Thursday is the cheapest departure day at $665 round-trip on average, while Monday is the most expensive at $808, a difference of $143.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

If your dates are flexible, aim for a Thursday departure and avoid flying on Monday. On this route, Thursday flights average $665, about $143 less than Monday fares (18% savings) based on the last 12 months.
If you're arriving late at night and need somewhere to stay, check out these hotels close to London Airport.

• Best Western London Airport Inn & Suites
• London residency inn

More options for your flight from Boston to London

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

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BOS - YXU

$313 Find Cheap Flights from Boston to London - Compare and Save

Everything you should know

Cheap Flights from Boston to London (BOS-YXU)

Recent round-trip flight deals from Boston to London

Recent one-way flight deals from Boston to London

Recent last minute flight deals from Boston to London

Price, demand and travel trends for Boston to London flights

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

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

What is the cheapest layover airport when flying from Boston to London?

When flying from Boston to London which airport offers the shortest layover?

Key details for Boston to London flights

Cheapest flight

When to book flights from Boston to London

Your Boston to London flight questions, answered

Your guide to booking Boston to London flights

More options for your flight from Boston to London

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

Information on your arrival and departure airports

Cabin class types available on flights from Boston to London

Find direct flights to and from Boston and London

Flights from domestic origins to London

Flights to other popular destinations

Find deals for your return flight