What is the cheapest airline that flies from United States to London?

Norse Atlantic UK and TAP AIR PORTUGAL are the most popular carriers operating from United States to London

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

292 flights are operational daily from United States to London as of August 2025. The most popular departure time for this route is 7:00PM, with 70% of flights per day taking off in the evening.

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

2,045 flights are operational weekly from United States to London as of August 2025. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.

How long does it take to fly to London?

If you’re flying from a popular airport in United States, such as Boston or New York, and flying into London, then you can expect flight times to average 6h 30m and 6h 50m, respectively.

What airlines fly to London?

British Airways, United Airlines and Delta are the top three most popular airlines that fly to London from United States according to our data. British Airways is the first choice among our users, with 44% of people opting to fly with this airline when traveling to London. Keep in mind that there are 25 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from United States to London?

Prices for flights from United States to London are updated daily.

How many operators does momondo search for flights from United States to London?

As of August 2025, there are 23 operators available to choose from for flights from United States to London.

How old do you have to be to fly from United States 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 United States to London.

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

The necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$136 Cheap Flights from the United States to London in 2025

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Find the cheapest flights from the United States to London

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from the United States to London

4:50 pm - 9:30 amJFK-LHR

11h 40m1 stop

8:55 am - 11:00 amLHR-JFK

31h 05m1 stop

$417Iberia

Find Deal

Fri, Sep 26 - Sun, Sep 28

6:20 pm - 6:20 amJFK-LGW

7h 00mnonstop

1:00 pm - 3:55 pmLGW-JFK

7h 55mnonstop

$417Norse Atlantic UK

Find Deal

Thu, Oct 9 - Wed, Nov 5

8:05 am - 8:00 pmJFK-LHR

6h 55mnonstop

6:15 am - 1:20 pmLHR-JFK

12h 05m1 stop

$435American Airlines

Find Deal

Sat, Nov 22 - Sun, Nov 23

8:05 pm - 8:15 amJFK-LHR

7h 10mnonstop

11:30 am - 6:55 pmLHR-JFK

12h 25m1 stop

$442British Airways

Find Deal

Mon, Sep 29 - Tue, Sep 30

9:50 am - 9:40 pmJFK-LHR

6h 50mnonstop

7:40 pm - 10:30 pmLHR-JFK

7h 50mnonstop

$457British Airways

Find Deal

Mon, Sep 22 - Mon, Sep 29

12:30 pm - 11:45 amBOS-LHR

18h 15m1 stop

11:05 am - 6:55 pmLHR-BOS

36h 50m2 stops

$457United Airlines

Find Deal

Sat, Sep 20 - Mon, Sep 22

11:30 am - 9:00 amLGA-LGW

16h 30m2 stops

11:20 am - 11:27 pmLGW-LGA

17h 07m2 stops

$493American Airlines

Find Deal

Wed, Nov 12 - Tue, Nov 25

6:00 am - 6:30 amBOS-LHR

19h 30m1 stop

1:45 pm - 3:25 pmLHR-BOS

30h 40m1 stop

$497United Airlines

Find Deal

Tue, Sep 23 - Wed, Oct 1

10:50 pm - 5:15 pmLAX-LHR

10h 25mnonstop

11:30 am - 6:25 pmLHR-LAX

14h 55m1 stop

$508Delta

Find Deal

Tue, Sep 9 - Wed, Sep 24

8:05 pm - 2:35 pmLAX-LHR

10h 30mnonstop

8:40 am - 2:50 pmLHR-LAX

14h 10m1 stop

$509Delta

Find Deal

Wed, Oct 1 - Wed, Oct 15

Scandinavian Airlines flights from United States to London

Our best Scandinavian Airlines deals on United States to London flight tickets

Scandinavian Airlines

Nov 14

JFK5:35 pmNew York John F Kennedy Intl

10h 45m

1 stop

LHR9:20 amLondon Heathrow

Nov 16

LHR6:40 amLondon Heathrow

38h 05m

2 stops

JFK3:45 pmNew York John F Kennedy Intl

$422

Find similar

Scandinavian Airlines

Oct 11

JFK6:55 pmNew York John F Kennedy Intl

17h 45m

1 stop

LHR5:40 pmLondon Heathrow

Oct 13

LHR7:05 amLondon Heathrow

13h 35m

1 stop

JFK3:40 pmNew York John F Kennedy Intl

$424

Find similar

Scandinavian Airlines

Oct 11

JFK6:55 pmNew York John F Kennedy Intl

17h 45m

1 stop

LHR5:40 pmLondon Heathrow

Oct 13

LHR7:05 amLondon Heathrow

13h 35m

1 stop

JFK3:40 pmNew York John F Kennedy Intl

$426

Find similar

British Airways flights from United States to London

Our best British Airways deals on United States to London flight tickets

British Airways

Sep 29

JFK8:05 pmNew York John F Kennedy Intl

7h 10m

LHR8:15 amLondon Heathrow

Sep 30

LHR11:30 amLondon Heathrow

12h 25m

1 stop

JFK6:55 pmNew York John F Kennedy Intl

$442

Find similar

British Airways

Sep 22

JFK9:50 amNew York John F Kennedy Intl

6h 50m

LHR9:40 pmLondon Heathrow

Sep 29

LHR7:40 pmLondon Heathrow

7h 50m

JFK10:30 pmNew York John F Kennedy Intl

$457

Find similar

British Airways

Sep 23

BOS7:25 amBoston Logan Intl

6h 30m

LHR6:55 pmLondon Heathrow

Sep 30

LHR2:40 pmLondon Heathrow

7h 30m

BOS5:10 pmBoston Logan Intl

$462

Find similar

Fly from

Fly to

Route

Depart

Return

Price

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 9/26

4:50 pm-9:30 am

1 stop11h 40m

London Heathrow

Sun 9/28

8:55 am-11:00 am

1 stop31h 05m

$417

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Thu 10/9

6:20 pm-6:20 am

Nonstop7h 00m

London Gatwick

Wed 11/5

1:00 pm-3:55 pm

Nonstop7h 55m

$417

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sat 11/22

8:05 am-8:00 pm

Nonstop6h 55m

London Heathrow

Sun 11/23

6:15 am-1:20 pm

1 stop12h 05m

$435

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 9/29

8:05 pm-8:15 am

Nonstop7h 10m

London Heathrow

Tue 9/30

11:30 am-6:55 pm

1 stop12h 25m

$442

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 9/22

9:50 am-9:40 pm

Nonstop6h 50m

London Heathrow

Mon 9/29

7:40 pm-10:30 pm

Nonstop7h 50m

$457

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 9/20

12:30 pm-11:45 am

1 stop18h 15m

London Heathrow

Mon 9/22

11:05 am-6:55 pm

2 stops36h 50m

$457

New YorkLondon

LGA - LGW

LGALGW

New York LaGuardia

Wed 11/12

11:30 am-9:00 am

2 stops16h 30m

London Gatwick

Tue 11/25

11:20 am-11:27 pm

2 stops17h 07m

$493

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 9/23

6:00 am-6:30 am

1 stop19h 30m

London Heathrow

Wed 10/1

1:45 pm-3:25 pm

1 stop30h 40m

$497

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Tue 9/9

10:50 pm-5:15 pm

Nonstop10h 25m

London Heathrow

Wed 9/24

11:30 am-6:25 pm

1 stop14h 55m

$508

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Wed 10/1

8:05 pm-2:35 pm

Nonstop10h 30m

London Heathrow

Wed 10/15

8:40 am-2:50 pm

1 stop14h 10m

$509

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How to get the cheapest flight ticket from United States 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?

The cheapest month to fly to London from United States is in January. Flight prices, which tend to average around $413, 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 United States averaging around $425.

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

The cheapest day to depart from United States to London is on a Tuesday. Travelers who choose to depart for London on a Tuesday will often find tickets for as low as $621. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $664. 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 United States at noon is the least expensive time of day to depart. momondo users have found prices as low as $500 when looking at flights departing at noon. Flights to London are more costly in the evening, with an average ticket price of $663. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest United States to London flight route?

Fly from New York John F Kennedy Intl to London Gatwick for the best United States - 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 United States when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $611 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from United States for as low as $558 on momondo.

What cabin class options are available on United States to London flights?

There are 4 cabin classes available to choose from on United States 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 United States to London flights?

You could potentially save up to 21% on your flight if you consider stops on a United States to London flight.

Cheap United States to London flight deals and tips

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

Best Price Found	$147
Fastest flight time	1h 40m
Direct flights	Every day
Airports in London	2 airports

The best one-way flight to London from United States in the past 72 hours is $147. The best round-trip flight deal from United States to London found on momondo in the last 72 hours is $376.

The fastest flight from United States to London takes 1h 40m

Direct flights go from United States to London every day.

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

Search flight deals

When did momondo last update prices for flights from United States to London?
Prices for flights from United States to London are updated daily.
How many operators does momondo search for flights from United States to London?
As of August 2025, there are 23 operators available to choose from for flights from United States to London.
How old do you have to be to fly from United States 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 United States to London.
What documentation or ID do you need to fly to London?
The necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from United States to London?
Based on momondo bookings for flights between United States and London, the leading plane model is Boeing 777, making up 22.31% of the total bookings. Other popular models include Boeing 787-9 Dreamliner with 14.93%, Boeing 777-200/200ER with 13.25%, and Boeing 777-300ER with 11.98%.

Best airlines flying from United States to London

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

Airline	Rating	Free Cancellation	Price
JetBlue	PriceFrom $51	Free Cancellation	Rating 7.2 2,919 reviews	Search JetBlue flights
Lufthansa	PriceFrom $197	Free Cancellation	Rating 6.8 7,359 reviews	Search Lufthansa flights
Scandinavian Airlines	PriceFrom $203	Free Cancellation	Rating 7.4 1,473 reviews	Search Scandinavian Airlines flights
WestJet	PriceFrom $272	Free Cancellation	Rating 7.2 3,050 reviews	Search WestJet flights
SWISS	PriceFrom $283	Free Cancellation	Rating 7.6 1,710 reviews	Search SWISS flights
Norse Atlantic UK	PriceFrom $328	Free Cancellation	Rating 7.2 47 reviews	Search Norse Atlantic UK flights
Air France	PriceFrom $340	Free Cancellation	Rating 7.4 1,469 reviews	Search Air France flights
Air Canada	PriceFrom $354	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights
KLM	PriceFrom $366	Free Cancellation	Rating 7.8 1,388 reviews	Search KLM flights
TAP AIR PORTUGAL	PriceFrom $367	Free Cancellation	Rating 7.1 1,962 reviews	Search TAP AIR PORTUGAL flights

Hounslow

Gatwick

Luton

Dover

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 United States to London?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from United States.

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

Yes. momondo allows you to filter the results for United States to London flights to just show those with flexible booking policies.

How can momondo help me find flights from United States to London?

Once all potential United States to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of United States to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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

Cheap flights from the United States to London from $136

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to London departing on 9/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

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Find the cheapest flights from the United States to London

Recent round-trip flight deals from the United States to London

Recent one-way flight deals from the United States to London

Recent last minute flight deals from the United States to London

Recent direct flight deals from the United States to London

Scandinavian Airlines flights from United States to London

Our best Scandinavian Airlines deals on United States to London flight tickets

British Airways flights from United States to London

Our best British Airways deals on United States to London flight tickets

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

See travel insights to London from

How to get the cheapest flight ticket from United States 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 United States to London flight route?

Fly from New York John F Kennedy Intl to London Gatwick for the best United States - London flight prices

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

What cabin class options are available on United States to London flights?

There are 4 cabin classes available to choose from on United States 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 United States to London flights?

You could potentially save up to 21% on your flight if you consider stops on a United States to London flight.

What is the cheapest airline that flies from United States to London?

Norse Atlantic UK and TAP AIR PORTUGAL are the most popular carriers operating from United States to London

What airlines fly to London?

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

292 flights are operational daily from United States to London as of August 2025. The most popular departure time for this route is 7:00PM, with 70% of flights per day taking off in the evening.

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

2,045 flights are operational weekly from United States to London as of August 2025. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.

How long does it take to fly to London?

If you’re flying from a popular airport in United States, such as Boston or New York, and flying into London, then you can expect flight times to average 6h 30m and 6h 50m, respectively.

Cheap United States to London flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in London

When did momondo last update prices for flights from United States to London?

How many operators does momondo search for flights from United States to London?

How old do you have to be to fly from United States to London?

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

What is the most popular plane model from United States to London?

Best airlines flying from United States to London

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

Traveling to a place near London?

Why use momondo?

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

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

How can momondo help me find flights from United States to London?

I’m not ready to book a flight from United States 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

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London