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

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

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

257 flights are operational weekly from Boston to London as of September 2025. The most popular departure day for this route is Wed, with 15% of flights per week taking off on this day.

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

As of September 2025, there are 36 flights per day flying from Boston to London. The most common time of day flights depart is 19:00, with 86% of flights taking off 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 refresh daily.

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

There is 1 operator available for flights from Boston Logan Intl Airport to London as of September 2025.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. 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 required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$316 Cheap Flights from Boston to London in 2025

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One-way

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Cheap return flights

22:40 - 07:50BOS-LGW

28h 10m1 stop

16:25 - 21:55LGW-BOS

33h 30m1 stop

$676LEVEL

Find Deal

Mon, 2 Mar - Mon, 16 Mar

22:40 - 18:00BOS-LHR

14h 20m1 stop

18:50 - 20:55LHR-BOS

31h 05m1 stop

$682LEVEL

Find Deal

Tue, 6 Jan - Mon, 19 Jan

22:20 - 16:35BOS-LHR

13h 15m1 stop

12:45 - 15:40LHR-BOS

7h 55mdirect

$690Virgin Atlantic

Find Deal

Sun, 12 Oct - Tue, 14 Oct

23:00 - 20:00BOS-STN

16h 00m1 stop

22:10 - 21:15STN-BOS

28h 05m1 stop

$690

Find Deal

Mon, 13 Oct - Wed, 15 Oct

21:48 - 09:35BOS-LGW

6h 47mdirect

12:10 - 15:13LGW-BOS

8h 03mdirect

$699JetBlue

Find Deal

Wed, 24 Sep - Sat, 4 Oct

20:15 - 10:45BOS-LHR

9h 30m1 stop

09:40 - 12:25LHR-BOS

7h 45mdirect

$700

Find Deal

Wed, 15 Oct - Fri, 17 Oct

06:15 - 20:35BOS-LHR

57h 20m2 stops

16:40 - 18:35LHR-BOS

30h 55m1 stop

$706United Airlines

Find Deal

Fri, 23 Jan - Mon, 26 Jan

21:00 - 07:50BOS-LHR

6h 50mdirect

16:00 - 18:35LHR-BOS

7h 35mdirect

$709Virgin Atlantic

Find Deal

Wed, 29 Oct - Wed, 5 Nov

06:00 - 20:40BOS-LHR

9h 40m1 stop

09:00 - 17:40LHR-BOS

13h 40m1 stop

$717United Airlines

Find Deal

Wed, 15 Oct - Thu, 16 Oct

21:48 - 09:35BOS-LGW

6h 47mdirect

12:10 - 15:16LGW-BOS

8h 06mdirect

$722JetBlue

Find Deal

Thu, 25 Sep - Mon, 29 Sep

Virgin Atlantic flights from Boston to London

Our best Virgin Atlantic deals on Boston to London flight tickets

Virgin Atlantic

12 Oct

BOS22:20Boston Logan Intl

13h 15m

1 stop

LHR16:35London Heathrow

14 Oct

LHR12:45London Heathrow

7h 55m

BOS15:40Boston Logan Intl

$690

Find similar

Virgin Atlantic

29 Oct

BOS21:00Boston Logan Intl

6h 50m

LHR07:50London Heathrow

5 Nov

LHR16:00London Heathrow

7h 35m

BOS18:35Boston Logan Intl

$709

Find similar

Virgin Atlantic

29 Oct

BOS21:00Boston Logan Intl

6h 50m

LHR07:50London Heathrow

5 Nov

LHR17:35London Heathrow

27h 45m

1 stop

BOS16:20Boston Logan Intl

$712

Find similar

United Airlines flights from Boston to London

Our best United Airlines deals on Boston to London flight tickets

United Airlines

23 Jan

BOS06:15Boston Logan Intl

57h 20m

2 stops

LHR20:35London Heathrow

26 Jan

LHR16:40London Heathrow

30h 55m

1 stop

BOS18:35Boston Logan Intl

$706

Find similar

United Airlines

15 Oct

BOS06:00Boston Logan Intl

9h 40m

1 stop

LHR20:40London Heathrow

16 Oct

LHR09:00London Heathrow

13h 40m

1 stop

BOS17:40Boston Logan Intl

$717

Find similar

United Airlines

13 Nov

BOS21:50Boston Logan Intl

32h 25m

1 stop

LHR11:15London Heathrow

16 Nov

LHR11:10London Heathrow

12h 25m

1 stop

BOS18:35Boston Logan Intl

$735

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Fly from

Fly to

Route

Depart

Return

Price

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Mon 2/3

22:40-07:50

1 stop28h 10m

London Gatwick

Mon 16/3

16:25-21:55

1 stop33h 30m

$676

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 6/1

22:40-18:00

1 stop14h 20m

London Heathrow

Mon 19/1

18:50-20:55

1 stop31h 05m

$682

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 12/10

22:20-16:35

1 stop13h 15m

London Heathrow

Tue 14/10

12:45-15:40

Nonstop7h 55m

$690

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Mon 13/10

23:00-20:00

1 stop16h 00m

London Stansted

Wed 15/10

22:10-21:15

1 stop28h 05m

$690

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Wed 24/9

21:48-09:35

Nonstop6h 47m

London Gatwick

Sat 4/10

12:10-15:13

Nonstop8h 03m

$699

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 15/10

20:15-10:45

1 stop9h 30m

London Heathrow

Fri 17/10

09:40-12:25

Nonstop7h 45m

$700

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 23/1

06:15-20:35

2 stops57h 20m

London Heathrow

Mon 26/1

16:40-18:35

1 stop30h 55m

$706

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 29/10

21:00-07:50

Nonstop6h 50m

London Heathrow

Wed 5/11

16:00-18:35

Nonstop7h 35m

$709

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 15/10

06:00-20:40

1 stop9h 40m

London Heathrow

Thu 16/10

09:00-17:40

1 stop13h 40m

$717

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Thu 25/9

21:48-09:35

Nonstop6h 47m

London Gatwick

Mon 29/9

12:10-15:16

Nonstop8h 06m

$722

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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

Other information

What is the cheapest month to fly to London?

If you aren’t able to travel during the month of January, then book flights to London from Boston during February instead. Flights to London in February, while not as cheap as those in January, still average around $818.

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

Our data shows that Tuesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as $829. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Boston to London for around $1,330.

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

The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as $851. In contrast, the most expensive time of day to depart to London is in the morning when prices are around $977.

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 $960 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Boston for as low as $894 on momondo.

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

There are 3 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.

How have Boston to London flight prices changed over time?

As of September 2025, prices for Boston to London flights are approximately 144% 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 return 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

Fastest flight time	6h 30m
Direct flights	Every day
Airports in London	2 airports

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?
Boston Logan Intl and London are 5260.9 km apart from one another. By plane, this route typically takes 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 refresh daily.
How many operators does momondo search for flights from Boston Logan Intl Airport to London?
There is 1 operator available for flights from Boston Logan Intl Airport to London as of September 2025.
How old do you have to be to fly from Boston Logan Intl Airport to London?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. 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 required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable 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 (25.13% of total bookings). The next most popular plane models are Boeing 777 (22.11%), Airbus A380-800 (13.03%), and Airbus A330-900neo (11.90%).

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
British Airways	PriceFrom $945	Free cancellation	Rating 6.6 7,361 reviews		Search British Airways flights

British Airways Flights From Boston to London
The lowest priced British Airways flight from Boston to London from the last 72 hours was $629. Generally, British Airways has 25 flights on this route every week with an average price of $650. British Airways is rated 6.6/10 by our users.

Gatwick

Hounslow

Brentford

Wembley

Dover

Ipswich

Abingdon

Richmond

Eastbourne

Slough

Chichester

Canterbury

Deal

Kingston upon Thames

Brentwood

Milton Keynes

Guildford

Sutton

Maidstone

Watford

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Boston to London. momondo saves you time and could save you money on your trip.

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

Flights from Boston to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Boston and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Boston to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

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Cheap flights from Boston to London from $316

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 11/10. 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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Virgin Atlantic flights from Boston to London

Our best Virgin Atlantic deals on Boston to London flight tickets

United Airlines flights from Boston to London

Our best United 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.

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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?

If you aren’t able to travel during the month of January, then book flights to London from Boston during February instead. Flights to London in February, while not as cheap as those in January, still average around $818.

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

Our data shows that Tuesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as $829. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Boston to London for around $1,330.

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

The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as $851. In contrast, the most expensive time of day to depart to London is in the morning when prices are around $977.

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 3 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.

How have Boston to London flight prices changed over time?

As of September 2025, prices for Boston to London flights are approximately 144% 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?

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

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

As of September 2025, there are 36 flights per day flying from Boston to London. The most common time of day flights depart is 19:00, with 86% of flights taking off in the evening.

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

257 flights are operational weekly from Boston to London as of September 2025. The most popular departure day for this route is Wed, with 15% of flights per week 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

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?

Best airlines flying from Boston to London

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

British Airways Flights From Boston to London

Travelling 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, organise 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

Fly into one of these airports located in London

Airports listed have a maximum distance of 49.5 km from London