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

Reykjavik (KEF) was the most common stop: 64% of momondo users choosing 1-stop flights on this route connected there.

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

As of August 2025, there are 209 flights per week flying from Boston to London. The most common day of the week flights depart is Wed, with 18% of flights taking off on this day.

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 Dublin (DUB) have the shortest average one-way travel time: 9h 08m.

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.

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

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

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 50% of people opting to fly with this airline when traveling to London. Keep in mind that there are 19 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

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

The number of flights available between Boston and London is 29 per day as of August 2025. The most frequent departure time is 7:00PM, with 86% of daily flights leaving in the evening.

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 19 operators available for flights from Boston Logan Intl Airport to London as of August 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.

$199 Cheap Flights from Boston to London in 2025

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Find the cheapest flights from Boston to London

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

4:00 pm - 7:40 pmBOS-LGW

22h 40m2 stops

8:20 pm - 1:55 pmLGW-BOS

22h 35m2 stops

$454

Find Deal

Mon, Sep 22 - Mon, Sep 29

9:40 pm - 7:55 amBOS-LHR

29h 15m1 stop

7:45 am - 5:40 pmLHR-BOS

14h 55m2 stops

$455

Find Deal

Mon, Sep 22 - Thu, Sep 25

10:45 pm - 10:30 amBOS-LHR

6h 45mnonstop

6:30 am - 6:20 pmLHR-BOS

16h 50m1 stop

$461Virgin Atlantic

Find Deal

Mon, Sep 22 - Wed, Sep 24

10:45 pm - 10:30 amBOS-LHR

6h 45mnonstop

6:30 am - 6:20 pmLHR-BOS

16h 50m1 stop

$462Virgin Atlantic

Find Deal

Wed, Oct 1 - Fri, Oct 3

9:48 pm - 9:35 amBOS-LGW

6h 47mnonstop

12:10 pm - 3:16 pmLGW-BOS

8h 06mnonstop

$464JetBlue

Find Deal

Sun, Sep 14 - Thu, Sep 25

9:48 pm - 9:35 amBOS-LGW

6h 47mnonstop

12:10 pm - 3:16 pmLGW-BOS

8h 06mnonstop

$465JetBlue

Find Deal

Sun, Sep 14 - Thu, Sep 18

4:30 pm - 8:10 amBOS-LGW

10h 40m1 stop

3:05 pm - 10:50 pmLGW-BOS

12h 45m1 stop

$468British Airways

Find Deal

Thu, Sep 25 - Tue, Sep 30

8:05 pm - 7:50 amBOS-LHR

6h 45mnonstop

7:10 pm - 7:35 pmLHR-BOS

29h 25m1 stop

$473Iberia

Find Deal

Fri, Sep 26 - Sat, Sep 27

4:30 pm - 8:10 amBOS-LGW

10h 40m1 stop

3:05 pm - 10:19 pmLGW-BOS

12h 14m1 stop

$488British Airways

Find Deal

Thu, Oct 2 - Mon, Oct 6

8:10 pm - 7:50 amBOS-LHR

6h 40mnonstop

9:55 am - 8:55 pmLHR-BOS

16h 00m1 stop

$493Iberia

Find Deal

Fri, Oct 24 - Mon, Nov 10

Aer Lingus flights from Boston to London

Our best Aer Lingus deals on Boston to London flight tickets

Aer Lingus

Oct 29

BOS10:20 pmBoston Logan Intl

9h 05m

1 stop

LHR11:25 amLondon Heathrow

Nov 15

LHR12:10 pmLondon Heathrow

11h 45m

1 stop

BOS6:55 pmBoston Logan Intl

$456

Find similar

Aer Lingus

Jan 26

BOS7:25 pmBoston Logan Intl

8h 50m

1 stop

LHR9:15 amLondon Heathrow

Feb 8

LHR10:00 amLondon Heathrow

11h 50m

1 stop

BOS4:50 pmBoston Logan Intl

$464

Find similar

Aer Lingus

Oct 17

BOS6:35 pmBoston Logan Intl

9h 30m

1 stop

LHR9:05 amLondon Heathrow

Nov 1

LHR10:00 amLondon Heathrow

11h 50m

1 stop

BOS5:50 pmBoston Logan Intl

$465

Find similar

Scandinavian Airlines flights from Boston to London

Our best Scandinavian Airlines deals on Boston to London flight tickets

Scandinavian Airlines

Nov 9

BOS5:35 pmBoston Logan Intl

40h 00m

2 stops

LHR2:35 pmLondon Heathrow

Nov 12

LHR6:40 amLondon Heathrow

38h 10m

2 stops

BOS3:50 pmBoston Logan Intl

$460

Find similar

Scandinavian Airlines

Oct 17

BOS5:40 pmBoston Logan Intl

34h 15m

2 stops

LHR8:55 amLondon Heathrow

Oct 20

LHR6:40 amLondon Heathrow

13h 55m

1 stop

BOS3:35 pmBoston Logan Intl

$488

Find similar

Scandinavian Airlines

Oct 17

BOS5:40 pmBoston Logan Intl

34h 15m

2 stops

LHR8:55 amLondon Heathrow

Oct 20

LHR7:05 amLondon Heathrow

37h 30m

2 stops

BOS3:35 pmBoston Logan Intl

$491

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Mon 9/22

4:00 pm-7:40 pm

2 stops22h 40m

London Gatwick

Mon 9/29

8:20 pm-1:55 pm

2 stops22h 35m

$454

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 9/22

9:40 pm-7:55 am

1 stop29h 15m

London Heathrow

Thu 9/25

7:45 am-5:40 pm

2 stops14h 55m

$455

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 9/22

10:45 pm-10:30 am

Nonstop6h 45m

London Heathrow

Wed 9/24

6:30 am-6:20 pm

1 stop16h 50m

$461

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 10/1

10:45 pm-10:30 am

Nonstop6h 45m

London Heathrow

Fri 10/3

6:30 am-6:20 pm

1 stop16h 50m

$462

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Sun 9/14

9:48 pm-9:35 am

Nonstop6h 47m

London Gatwick

Thu 9/25

12:10 pm-3:16 pm

Nonstop8h 06m

$464

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Sun 9/14

9:48 pm-9:35 am

Nonstop6h 47m

London Gatwick

Thu 9/18

12:10 pm-3:16 pm

Nonstop8h 06m

$465

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Thu 9/25

4:30 pm-8:10 am

1 stop10h 40m

London Gatwick

Tue 9/30

3:05 pm-10:50 pm

1 stop12h 45m

$468

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 9/26

8:05 pm-7:50 am

Nonstop6h 45m

London Heathrow

Sat 9/27

7:10 pm-7:35 pm

1 stop29h 25m

$473

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Thu 10/2

4:30 pm-8:10 am

1 stop10h 40m

London Gatwick

Mon 10/6

3:05 pm-10:19 pm

1 stop12h 14m

$488

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 10/24

8:10 pm-7:50 am

Nonstop6h 40m

London Heathrow

Mon 11/10

9:55 am-8:55 pm

1 stop16h 00m

$493

Flights are sorted by cheapest round-trip flights first.

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 $542, are often lower during this time because this is during the off-season. The month of February is another great option to travel to London, with average flight prices from Boston averaging around $547.

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 $662. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $718. 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 $692. 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 Gatwick 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 $644 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 $602 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?

No. A direct flight is the cheapest option for a flight between Boston to London.

How have Boston to London flight prices changed over time?

As of August 2025, prices for Boston to London flights are approximately 44% cheaper 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	$171
Fastest flight time	6h 30m
Direct flights	Every day
Airports in London	2 airports

The best one-way flight to London from Boston in the past 72 hours is $171. The best round-trip flight deal from Boston to London found on momondo in the last 72 hours is $411.

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

Direct flights go from Boston to London every day.

There are 2 airports near London: London Heathrow (LHR), London Gatwick (LGW)

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 40m.
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 19 operators available for flights from Boston Logan Intl Airport to London as of August 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 (25.59% of total bookings). The next most popular plane models are Boeing 777 (20.88%), Airbus A380-800 (14.47%), and Airbus A330-900neo (11.51%).
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 34% of all bookings. The subsequent popular airlines are Delta at 13%, Virgin Atlantic at 11%, and Iberia at 11%.

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 7.6 1,712 reviews	Search SWISS flights
TAP AIR PORTUGAL	PriceFrom $367	Free Cancellation	Rating 7.1 1,963 reviews	Search TAP AIR PORTUGAL flights
JetBlue	PriceFrom $378	Free Cancellation	Rating 7.2 2,920 reviews	Search JetBlue flights
PLAY	PriceFrom $380	Free Cancellation	Rating 7.0 103 reviews	Search PLAY flights
Virgin Atlantic	PriceFrom $382	Free Cancellation	Rating 7.4 661 reviews	Search Virgin Atlantic flights
KLM	PriceFrom $385	Free Cancellation	Rating 7.8 1,382 reviews	Search KLM flights
Delta	PriceFrom $387	Free Cancellation	Rating 7.9 7,977 reviews	Search Delta flights
Air France	PriceFrom $391	Free Cancellation	Rating 7.4 1,469 reviews	Search Air France flights
British Airways	PriceFrom $392	Free Cancellation	Rating 6.7 7,316 reviews	Search British Airways flights
Scandinavian Airlines	PriceFrom $393	Free Cancellation	Rating 7.4 1,481 reviews	Search Scandinavian Airlines flights

Delta Flights From Boston to London
Delta is one of the most popular airlines flying from Boston to London, operating 19 flights/week on average for this route. A good Delta flight deal for Boston to London starts from $387 round-trip, up to an average price of $776. 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 (7.8/10, 1,382 ratings). KLM flies from Boston to London around 19 times per week, with deals starting from $385 round-trip and rising to an average price of around $583.

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Slough

Milton Keynes

Guildford

Dartford

Crawley

Stansted

Hayes

Chelmsford

Brentwood

Ilford

Folkestone

Colchester

Watford

Canterbury

Richmond

Wembley

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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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

London City Airport

London Gatwick Airport

London Heathrow Airport

London Luton Airport

London Southend Airport

London Stansted Airport

Popular cities in the United Kingdom

Flights to Manchesterfrom $389

Flights to Edinburghfrom $391

Flights to Birminghamfrom $402

Flights to Glasgowfrom $395

Flights to Belfastfrom $499

Flights to Newcastle upon Tynefrom $474

Flights to Bristolfrom $460

Flights to Invernessfrom $419

Flights to Liverpoolfrom $448

Flights to Aberdeenfrom $500

Flights to Leedsfrom $429

Flights to Cardifffrom $486

Cheap flights from Boston to London from $199

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 1/8. 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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Filter for what you want

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Aer Lingus flights from Boston to London

Our best Aer Lingus deals on Boston to London flight tickets

Scandinavian Airlines flights from Boston to London

Our best Scandinavian Airlines 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 Gatwick 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?

No. A direct flight is the cheapest option for a flight between Boston to London.

How have Boston to London flight prices changed over time?

As of August 2025, prices for Boston to London flights are approximately 44% cheaper when compared to flights at the same time last year.

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

Icelandair, TAP AIR PORTUGAL, and JetBlue 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: 64% 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 Dublin (DUB) have the shortest average one-way travel time: 9h 08m.

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 29 per day as of August 2025. The most frequent departure time is 7:00PM, with 86% of daily flights leaving in the evening.

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

As of August 2025, there are 209 flights per week flying from Boston to London. The most common day of the week flights depart is Wed, with 18% 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