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. Other layover airports each see under 5%.

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

Yes. Being flexible with your travel dates can save you up to 18% on the Boston to London route. 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 $384 to $1,336. 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 $324, which is 49% 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

How much should I expect to pay for a Boston to London flight?

Round-trip flights from Boston to London range from $688 to $727, with an average of $727 over the past 12 months. Anything below $688 counts as a good deal.

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

WestJet ($384) offered the cheapest round-trip ticket from Boston to London in 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 240 minutes over the past 3 months.

$259 CHEAP FLIGHTS from Boston to London (BOS - YXU)

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Cheapest round-trip

$384

Typical prices: $688-$727

WestJet

Sun 9/30Tue 10/2

BOS - YXU • 1 stop

Cheapest one-way

$259

Typical prices: $217-$217

Multiple Airlines

Wed 9/26

BOS - YXU • 3 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

Wed, Sep 30 - Fri, Oct 2

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

$384WestJet

Thu, Oct 1 - Mon, Oct 19

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

$402WestJet

Wed, Sep 16 - Thu, Sep 17

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

10h 50m1 stop Calgary

5:55 pm - 5:40 pmYXU London-BOS Boston Logan Intl

23h 45m1 stop Calgary

$404WestJet

Fri, Oct 9 - Mon, Oct 12

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

10h 50m1 stop Calgary

5:55 pm - 5:40 pmYXU London-BOS Boston Logan Intl

23h 45m1 stop Calgary

$422WestJet

Fri, Oct 16 - Sun, Oct 18

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

$496Multiple Airlines

Fri, Oct 16 - Sun, Oct 18

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 40m2 stops Calgary Toronto Pearson Intl

$510Multiple Airlines

Fri, Oct 9 - Mon, Oct 12

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

10h 50m1 stop Calgary

5:55 pm - 5:40 pmYXU London-BOS Boston Logan Intl

23h 45m1 stop Calgary

$535WestJet

Thu, Oct 1 - Mon, Oct 19

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

10h 50m1 stop Calgary

6:10 am - 6:35 pmYXU London-BOS Boston Logan Intl

36h 25m2 stops Calgary Toronto Pearson Intl

$537Multiple Airlines

Tue, Sep 15 - Fri, Sep 18

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

$571WestJet

Thu, Oct 1 - Mon, Oct 19

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

$574Multiple 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 from Boston to London with more confidence.

Prices

Airlines

Layovers

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

Round-trip flights from Boston to London start at $384. Prices are below average for this route right now, with typical round-trip fares ranging from $688 to $727. The lowest price found in the past 5 days was $384 on WestJet.

Find deals

Cheapest flight	$259

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.

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. Other layover airports each see under 5%.
Can I save money by using flexible dates for flights from Boston to London?
Yes. Being flexible with your travel dates can save you up to 18% on the Boston to London route. 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 $384 to $1,336. 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 $324, which is 49% 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
How much should I expect to pay for a Boston to London flight?
Round-trip flights from Boston to London range from $688 to $727, with an average of $727 over the past 12 months. Anything below $688 counts as a good deal.

If your dates can be flexible, aim for a Thursday departure instead of Monday. On this route, Thursday flights average $665 - about $143 less than Monday (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

Everything you need to know for your flight from Boston to London

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Boston (BOS)

London (YXU)

BOS - YXU

$259 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?

What is the cheapest airline 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

Everything you need to know for your flight from Boston to London

Information on your arrival and departure airports

Cabin class types available on flights from Boston to London

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

Find direct flights to and from Boston and London

Flights to other popular destinations

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Choose which airport to fly into in London

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