What is the cheapest airline that flies from Boston Logan Intl to London?

JetBlue, TAP AIR PORTUGAL, and Virgin Atlantic are the most popular carriers operating from Boston Logan Intl to London

Which layover airport has the shortest connection time from Boston to London?

Reykjavik (KEF) has the shortest average layover time for this route: 1h 35m.

How many flights depart from Boston to London on average per week?

As of October 2025, there are 228 flights per week flying from Boston to London. The most common day of the week flights depart is Thu, with 17% of flights taking off on this day.

Which layover airport has the shortest travel time from Boston to London?

Flights connecting via Shannon (SNN) have the shortest average one-way travel time: 8h 50m.

How many flights depart from Boston to London on average per day?

The number of flights available between Boston and London is 32 per day as of October 2025. The most frequent departure time is 7:00PM, with 84% of daily flights leaving in the evening.

Which layover airport offers the lowest fares from Boston to London?

Flights via New York (JFK) offer the lowest average round-trip price of $177.

What airlines fly to London?

British Airways, Delta and Virgin Atlantic are the top three most popular airlines that fly to London from Boston according to our data. British Airways is the first choice among our users, with 51% of people opting to fly with this airline when traveling to London. Keep in mind that there are 18 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

Which airport is the most popular layover for flights between Boston and London?

Reykjavik (KEF) was the most common stop: 63% of momondo users choosing 1-stop flights on this route connected there.

When did momondo last update prices for flights from Boston Logan Intl Airport to London?

Prices for flights from Boston Logan Intl Airport to London were last updated today.

How many operators does momondo search for flights from Boston Logan Intl Airport to London?

There are 18 operators available for flights from Boston Logan Intl Airport to London as of October 2025.

How old do you have to be to fly from Boston Logan Intl Airport to London?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to London.

What documentation or ID do you need to fly to London?

The travel and health documents you'll need for your trip to London may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$207 Cheap Flights from Boston to London in 2025/26

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3:15 pm - 6:30 amBOS-LHR

10h 15m1 stop

9:00 am - 8:20 pmLHR-BOS

16h 20m1 stop

$473Multiple Airlines

Find Deal

Fri, Oct 24 - Sun, Nov 2

9:50 pm - 5:50 pmBOS-LGW

15h 00m1 stop

6:40 pm - 8:20 pmLGW-BOS

30h 40m1 stop

$473SWISS

Find Deal

Tue, Nov 18 - Mon, Nov 24

9:20 pm - 2:20 pmBOS-STN

12h 00m1 stop

6:30 am - 6:55 pmSTN-BOS

17h 25m1 stop

$473Multiple Airlines

Find Deal

Mon, Nov 10 - Fri, Nov 14

8:00 pm - 7:50 amBOS-LHR

6h 50mnonstop

9:00 am - 4:20 pmLHR-BOS

12h 20m1 stop

$487Virgin Atlantic

Find Deal

Sat, Nov 29 - Sat, Dec 6

11:30 pm - 10:15 amBOS-LHR

6h 45mnonstop

8:55 am - 5:20 pmLHR-BOS

12h 25m1 stop

$493Virgin Atlantic

Find Deal

Sat, Oct 25 - Thu, Oct 30

7:15 pm - 7:00 amBOS-LHR

6h 45mnonstop

11:25 am - 7:50 pmLHR-BOS

13h 25m1 stop

$494Iberia

Find Deal

Mon, Dec 1 - Fri, Dec 5

7:05 pm - 6:45 amBOS-LHR

6h 40mnonstop

5:20 am - 1:40 pmLHR-BOS

12h 20m1 stop

$507Delta

Find Deal

Fri, Oct 24 - Sun, Nov 2

11:55 pm - 11:25 amBOS-LHR

6h 30mnonstop

6:30 am - 1:20 pmLHR-BOS

11h 50m1 stop

$508Delta

Find Deal

Wed, Nov 5 - Sun, Nov 9

9:35 pm - 9:15 amBOS-LHR

6h 40mnonstop

7:10 pm - 9:55 pmLHR-BOS

7h 45mnonstop

$510British Airways

Find Deal

Wed, Dec 3 - Thu, Dec 11

9:35 pm - 9:15 amBOS-LHR

6h 40mnonstop

7:10 pm - 9:55 pmLHR-BOS

7h 45mnonstop

$513British Airways

Find Deal

Fri, Dec 5 - Tue, Dec 9

Aer Lingus flights from Boston to London

Our best Aer Lingus deals on Boston to London flight tickets

Aer Lingus

Nov 19

BOS7:25 pmBoston Logan Intl

8h 50m

1 stop

LHR9:15 amLondon Heathrow

Nov 24

LHR10:00 amLondon Heathrow

11h 50m

1 stop

BOS4:50 pmBoston Logan Intl

$483

Find similar

Aer Lingus

Dec 1

BOS9:20 pmBoston Logan Intl

11h 05m

1 stop

LHR1:25 pmLondon Heathrow

Dec 13

LHR10:00 amLondon Heathrow

11h 50m

1 stop

BOS4:50 pmBoston Logan Intl

$486

Find similar

Aer Lingus

Jan 4

BOS7:25 pmBoston Logan Intl

8h 50m

1 stop

LHR9:15 amLondon Heathrow

Jan 9

LHR10:00 amLondon Heathrow

11h 50m

1 stop

BOS4:50 pmBoston Logan Intl

$491

Find similar

British Airways flights from Boston to London

Our best British Airways deals on Boston to London flight tickets

British Airways

Oct 24

BOS8:10 pmBoston Logan Intl

6h 40m

LHR7:50 amLondon Heathrow

Oct 31

LHR7:10 pmLondon Heathrow

7h 45m

BOS10:55 pmBoston Logan Intl

$510

Find similar

British Airways

Dec 5

BOS9:35 pmBoston Logan Intl

6h 40m

LHR9:15 amLondon Heathrow

Dec 9

LHR7:10 pmLondon Heathrow

7h 45m

BOS9:55 pmBoston Logan Intl

$513

Find similar

British Airways

Jan 4

BOS6:55 pmBoston Logan Intl

6h 35m

LHR6:30 amLondon Heathrow

Jan 14

LHR7:10 pmLondon Heathrow

7h 45m

BOS9:55 pmBoston Logan Intl

$518

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 10/24

3:15 pm-6:30 am

1 stop10h 15m

London Heathrow

Sun 11/2

9:00 am-8:20 pm

1 stop16h 20m

$473

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Tue 11/18

9:50 pm-5:50 pm

1 stop15h 00m

London Gatwick

Mon 11/24

6:40 pm-8:20 pm

1 stop30h 40m

$473

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Mon 11/10

9:20 pm-2:20 pm

1 stop12h 00m

London Stansted

Fri 11/14

6:30 am-6:55 pm

1 stop17h 25m

$473

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 11/29

8:00 pm-7:50 am

Nonstop6h 50m

London Heathrow

Sat 12/6

9:00 am-4:20 pm

1 stop12h 20m

$487

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 10/25

11:30 pm-10:15 am

Nonstop6h 45m

London Heathrow

Thu 10/30

8:55 am-5:20 pm

1 stop12h 25m

$493

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 12/1

7:15 pm-7:00 am

Nonstop6h 45m

London Heathrow

Fri 12/5

11:25 am-7:50 pm

1 stop13h 25m

$494

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 10/24

7:05 pm-6:45 am

Nonstop6h 40m

London Heathrow

Sun 11/2

5:20 am-1:40 pm

1 stop12h 20m

$507

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 11/5

11:55 pm-11:25 am

Nonstop6h 30m

London Heathrow

Sun 11/9

6:30 am-1:20 pm

1 stop11h 50m

$508

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 12/3

9:35 pm-9:15 am

Nonstop6h 40m

London Heathrow

Thu 12/11

7:10 pm-9:55 pm

Nonstop7h 45m

$510

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 12/5

9:35 pm-9:15 am

Nonstop6h 40m

London Heathrow

Tue 12/9

7:10 pm-9:55 pm

Nonstop7h 45m

$513

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Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Boston to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

Other information

What is the cheapest month to fly to London?

The cheapest month to fly to London from Boston is in January. Flight prices, which tend to average around $539, are often lower during this time because this is during the off-season. The month of October is another great option to travel to London, with average flight prices from Boston averaging around $540.

What is the cheapest day to depart on your flight to London?

The cheapest day to depart from Boston to London is on a Tuesday. Travelers who choose to depart for London on a Tuesday will often find tickets for as low as $654. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $717. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

What is the cheapest time of day to depart on your flight to London?

Flying to London from Boston at noon is the least expensive time of day to depart. momondo users have found prices as low as $623 when looking at flights departing at noon. Flights to London are more costly in the evening, with an average ticket price of $690. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Boston Logan Intl to London flight route?

Fly from Boston Logan Intl to London Heathrow for the best Boston Logan Intl - London flight prices

How far in advance should I book a flight to London?

You are more likely to see cheaper flights to London from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $637 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Boston for as low as $599 on momondo.

What cabin class options are available on Boston Logan Intl to London flights?

There are 4 cabin classes available to choose from on Boston Logan Intl to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Boston to London flights?

You could potentially save up to 9% on your flight if you consider stops on a Boston to London flight.

How have Boston to London flight prices changed over time?

As of October 2025, prices for Boston to London flights are approximately 126% more expensive when compared to flights at the same time last year.

When to book flights from Boston to London

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to London according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Boston to London (BOS to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to London

Best Price Found	$299
Fastest flight time	6h 30m
Direct flights	Every day
Airports in London	1 airport

The best one-way flight to London from Boston in the past 72 hours is $299. The best round-trip flight deal from Boston to London found on momondo in the last 72 hours is $464.

The fastest flight from Boston to London takes 6h 30m

Direct flights go from Boston to London every day.

There is 1 airport near London: London Heathrow (LHR)

Search flight deals

How far is Boston Logan Intl to London by plane?
There are 3269.0 mi between Boston Logan Intl and London. In terms of flight time, this usually takes a little over 6h 30m.
When did momondo last update prices for flights from Boston Logan Intl Airport to London?
Prices for flights from Boston Logan Intl Airport to London were last updated today.
How many operators does momondo search for flights from Boston Logan Intl Airport to London?
There are 18 operators available for flights from Boston Logan Intl Airport to London as of October 2025.
How old do you have to be to fly from Boston Logan Intl Airport to London?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to London.
What documentation or ID do you need to fly to London?
The travel and health documents you'll need for your trip to London may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Boston to London?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Boston to London is Boeing 777-200/200ER (24.29% of total bookings). The next most popular plane models are Boeing 777 (23.89%), Airbus A330-900neo (11.87%), and Airbus A380-800 (9.52%).
What is the most popular airline from Boston to London?
momondo data reveals that the most frequently booked airline on the route from Boston to London is British Airways, representing 35% of all bookings. The subsequent popular airlines are Delta at 12%, Virgin Atlantic at 12%, and Iberia at 10%.

Best airlines flying from Boston to London

Compare and see reviews for airlines that fly from Boston to London with momondo

Airline	Rating	Free Cancellation	Price
SWISS	PriceFrom $283	Free Cancellation	Rating 7.5 1,772 reviews	Search SWISS flights
JetBlue	PriceFrom $332	Free Cancellation	Rating 7.2 2,908 reviews	Search JetBlue flights
TAP AIR PORTUGAL	PriceFrom $367	Free Cancellation	Rating 7.1 2,015 reviews	Search TAP AIR PORTUGAL flights
PLAY	PriceFrom $380	Free Cancellation	Rating 7.0 103 reviews	Search PLAY flights
KLM	PriceFrom $382	Free Cancellation	Rating 7.7 1,402 reviews	Search KLM flights
Air France	PriceFrom $390	Free Cancellation	Rating 7.4 1,475 reviews	Search Air France flights
Virgin Atlantic	PriceFrom $392	Free Cancellation	Rating 7.5 670 reviews	Search Virgin Atlantic flights
British Airways	PriceFrom $392	Free Cancellation	Rating 6.7 7,456 reviews	Search British Airways flights
Scandinavian Airlines	PriceFrom $393	Free Cancellation	Rating 7.4 1,533 reviews	Search Scandinavian Airlines flights
Delta	PriceFrom $398	Free Cancellation	Rating 7.9 7,979 reviews	Search Delta flights

Delta Flights From Boston to London
Delta is one of the most popular airlines flying from Boston to London, operating 20 flights/week on average for this route. A good Delta flight deal for Boston to London starts from $398 round-trip, up to an average price of $857. Our users have rated Delta at 7.9/10.
KLM Flights From Boston to London
Another popular option for Boston to London flights is KLM (7.7/10, 1,404 ratings). KLM flies from Boston to London around 20 times per week, with deals starting from $382 round-trip and rising to an average price of around $581.

Gatwick

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Milton Keynes

Luton

Dover

Slough

Guildford

Dartford

Crawley

Hayes

Brentwood

Chelmsford

Colchester

Folkestone

Romford

Ilford

Cobham

Wembley

Stansted

Watford

Why use momondo?

Why should I use momondo to find a flight deal from Boston to London?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Boston to London for you.

Can I find flights from Boston to London with flexible booking policies on momondo?

momondo does allow users to show only those flights to London from Boston which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Boston to London?

Once you have performed a search for Boston to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Boston to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from Boston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your London trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from Boston to London from $207

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to London departing on 1/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

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Find the cheapest flights from Boston to London

Cheap round-trip flights

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Aer Lingus flights from Boston to London

Our best Aer Lingus deals on Boston to London flight tickets

British Airways flights from Boston to London

Our best British Airways deals on Boston to London flight tickets

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Use the filters below to find and compare flights from Boston to London that are best for you.

See travel insights to London from

How to get the cheapest flight ticket from Boston to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to London?

What is the cheapest day to depart on your flight to London?

What is the cheapest time of day to depart on your flight to London?

What is the cheapest Boston Logan Intl to London flight route?

Fly from Boston Logan Intl to London Heathrow for the best Boston Logan Intl - London flight prices

How far in advance should I book a flight to London?

What cabin class options are available on Boston Logan Intl to London flights?

There are 4 cabin classes available to choose from on Boston Logan Intl to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Boston to London flights?

You could potentially save up to 9% on your flight if you consider stops on a Boston to London flight.

How have Boston to London flight prices changed over time?

As of October 2025, prices for Boston to London flights are approximately 126% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Boston Logan Intl to London?

JetBlue, TAP AIR PORTUGAL, and Virgin Atlantic are the most popular carriers operating from Boston Logan Intl to London

What airlines fly to London?

Which airport is the most popular layover for flights between Boston and London?

Reykjavik (KEF) was the most common stop: 63% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Boston to London?

Flights via New York (JFK) offer the lowest average round-trip price of $177.

Which layover airport has the shortest travel time from Boston to London?

Flights connecting via Shannon (SNN) have the shortest average one-way travel time: 8h 50m.

Which layover airport has the shortest connection time from Boston to London?

Reykjavik (KEF) has the shortest average layover time for this route: 1h 35m.

How many flights depart from Boston to London on average per day?

The number of flights available between Boston and London is 32 per day as of October 2025. The most frequent departure time is 7:00PM, with 84% of daily flights leaving in the evening.

How many flights depart from Boston to London on average per week?

As of October 2025, there are 228 flights per week flying from Boston to London. The most common day of the week flights depart is Thu, with 17% of flights taking off on this day.

When to book flights from Boston to London

Cheap Boston to London (BOS to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to London

Best Price Found

Fastest flight time

Direct flights

Airports in London

How far is Boston Logan Intl to London by plane?

When did momondo last update prices for flights from Boston Logan Intl Airport to London?

How many operators does momondo search for flights from Boston Logan Intl Airport to London?

How old do you have to be to fly from Boston Logan Intl Airport to London?

What documentation or ID do you need to fly to London?

What is the most popular plane model from Boston to London?

What is the most popular airline from Boston to London?

Best airlines flying from Boston to London

Compare and see reviews for airlines that fly from Boston to London with momondo

Delta Flights From Boston to London

KLM Flights From Boston to London

Traveling to a place near London?

Why use momondo?

Why should I use momondo to find a flight deal from Boston to London?

Can I find flights from Boston to London with flexible booking policies on momondo?

How can momondo help me find flights from Boston to London?

I’m not ready to book a flight from Boston to London right now. Can momondo alert me if prices change?

An easier way to manage your London trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United Kingdom