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

TAP AIR PORTUGAL, Icelandair, and KLM are the most popular carriers operating from United States to London

How often are flights from the United States to London delayed?

Historically, on average around 17% of flights between United States and London have experienced a delay on any given week. The average delay length over the past 12 months has been 151 minutes.

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 51% 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.

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

273 flights are operational daily from United States to London as of January 2026. The most popular departure time for this route is 7:00PM, with 66% of flights per day taking off in the evening.

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

1,914 flights are operational weekly from United States to London as of January 2026. The most popular departure day for this route is Wed, with 17% of flights per week taking off on this day.

What is the most punctual flight time for the United States to London flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

Which airline has the best punctuality record on the United States to London flights?

According to our data, Virgin Atlantic have had the least number of delays on this route over the last 12 months; with about 13% of their flights experiencing any sort of delay.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

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.

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 January 2026, there are 22 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.

$177 Cheap Flights from the United States to London in 2026

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Find the cheapest flights from the United States to London

Round-trip

One-way

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Direct

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

Enter your travel dates to find the best prices.

5:00 pm - 8:05 am

JFK

LHR

10h 05m1 stop

7:50 am - 1:55 pm

LHR

JFK

11h 05m1 stop

$495Aer Lingus

Thu, Jan 29 - Mon, Feb 2

5:40 pm - 7:10 am

LGA

LHR

9h 30m1 stop

1:25 pm - 9:33 pm

LHR

LGA

12h 08m1 stop

$496Air Canada

Wed, Mar 11 - Sun, Mar 15

9:50 pm - 9:40 am

JFK

LHR

6h 50mnonstop

10:45 am - 7:15 pm

LHR

JFK

13h 30m1 stop

$496Iberia

Sat, Jan 31 - Sun, Feb 15

6:05 am - 7:10 am

LGA

LHR

20h 05m1 stop

9:00 am - 9:33 pm

LHR

LGA

17h 33m2 stops

$497Multiple Airlines

Mon, Jan 12 - Fri, Jan 23

10:05 am - 8:35 pm

JFK

LHR

29h 30m2 stops

8:05 pm - 4:40 pm

LHR

JFK

25h 35m1 stop

$497Multiple Airlines

Thu, Jan 15 - Mon, Jan 19

6:40 pm - 1:00 pm

EWR

LHR

13h 20m1 stop

6:00 am - 2:15 pm

LHR

EWR

13h 15m1 stop

$498Multiple Airlines

Thu, Jan 15 - Sun, Jan 18

6:40 pm - 8:35 pm

BOS

LHR

20h 55m1 stop

1:45 pm - 8:20 pm

LHR

BOS

11h 35m1 stop

$507United Airlines

Fri, Feb 13 - Tue, Feb 24

8:25 am - 8:35 pm

EWR

LHR

7h 10mnonstop

12:05 pm - 9:30 pm

LHR

EWR

13h 25m1 stop

$507United Airlines

Thu, Jan 29 - Wed, Mar 11

5:45 pm - 12:20 pm

LAX

LHR

10h 35mnonstop

4:55 pm - 8:25 pm

LHR

LAX

11h 30mnonstop

$630British Airways

Thu, Jan 29 - Thu, Feb 5

1:40 pm - 12:15 pm

LAX

LHR

14h 35m1 stop

6:30 am - 11:50 am

LHR

LAX

13h 20m1 stop

$633Delta

Sun, Mar 29 - Wed, Apr 15

Icelandair flights from United States to London

Our best Icelandair deals on United States to London flight tickets

Icelandair

Jan 18

EWR7:35 pmNewark

10h 15m

1 stop

LHR10:50 amLondon Heathrow

Jan 27

LHR12:15 pmLondon Heathrow

11h 10m

1 stop

EWR6:25 pmNewark

$499

Find similar

Icelandair

Jan 11

EWR7:35 pmNewark

18h 55m

1 stop

LHR7:30 pmLondon Heathrow

Jan 20

LHR8:35 pmLondon Heathrow

26h 50m

1 stop

EWR6:25 pmNewark

$505

Find similar

Icelandair

Jan 11

EWR7:35 pmNewark

10h 20m

1 stop

LGW10:55 amLondon Gatwick

Feb 6

LGW11:55 amLondon Gatwick

11h 30m

1 stop

EWR6:25 pmNewark

$518

Find similar

Austrian Airlines flights from United States to London

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

Austrian Airlines

Jan 8

BOS2:20 pmBoston Logan Intl

11h 20m

1 stop

LHR6:40 amLondon Heathrow

Jan 16

LHR12:05 pmLondon Heathrow

11h 52m

1 stop

BOS6:57 pmBoston Logan Intl

$499

Find similar

Austrian Airlines

May 5

BOS5:10 pmBoston Logan Intl

34h 10m

1 stop

LHR8:20 amLondon Heathrow

May 8

LHR7:45 amLondon Heathrow

14h 40m

1 stop

BOS5:25 pmBoston Logan Intl

$505

Find similar

Austrian Airlines

Feb 21

BOS11:51 amBoston Logan Intl

28h 29m

1 stop

LHR9:20 pmLondon Heathrow

Mar 1

LHR6:00 amLondon Heathrow

13h 05m

1 stop

BOS2:05 pmBoston Logan Intl

$519

Find similar

Fly from

Fly to

Route

Depart

Return

Price

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 1/29

5:00 pm-8:05 am

1 stop10h 05m

London Heathrow

Mon 2/2

7:50 am-1:55 pm

1 stop11h 05m

$495

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 3/11

5:40 pm-7:10 am

1 stop9h 30m

London Heathrow

Sun 3/15

1:25 pm-9:33 pm

1 stop12h 08m

$496

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sat 1/31

9:50 pm-9:40 am

Nonstop6h 50m

London Heathrow

Sun 2/15

10:45 am-7:15 pm

1 stop13h 30m

$496

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 1/12

6:05 am-7:10 am

1 stop20h 05m

London Heathrow

Fri 1/23

9:00 am-9:33 pm

2 stops17h 33m

$497

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 1/15

10:05 am-8:35 pm

2 stops29h 30m

London Heathrow

Mon 1/19

8:05 pm-4:40 pm

1 stop25h 35m

$497

NewarkLondon

EWR - LHR

EWRLHR

Newark

Thu 1/15

6:40 pm-1:00 pm

1 stop13h 20m

London Heathrow

Sun 1/18

6:00 am-2:15 pm

1 stop13h 15m

$498

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 2/13

6:40 pm-8:35 pm

1 stop20h 55m

London Heathrow

Tue 2/24

1:45 pm-8:20 pm

1 stop11h 35m

$507

NewarkLondon

EWR - LHR

EWRLHR

Newark

Thu 1/29

8:25 am-8:35 pm

Nonstop7h 10m

London Heathrow

Wed 3/11

12:05 pm-9:30 pm

1 stop13h 25m

$507

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Thu 1/29

5:45 pm-12:20 pm

Nonstop10h 35m

London Heathrow

Thu 2/5

4:55 pm-8:25 pm

Nonstop11h 30m

$630

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Sun 3/29

1:40 pm-12:15 pm

1 stop14h 35m

London Heathrow

Wed 4/15

6:30 am-11:50 am

1 stop13h 20m

$633

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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

Delays

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 $437, are often lower during this time because this is during the off-season. The month of September is another great option to travel to London, with average flight prices from United States averaging around $506.

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 Wednesday. Travelers who choose to depart for London on a Wednesday will often find tickets for as low as $636. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $689. 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 in the morning is the least expensive time of day to depart. momondo users have found prices as low as $615 when looking at flights departing in the morning. Flights to London are more costly in the evening, with an average ticket price of $680. 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 $609 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 $574 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 10% 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	$162
Fastest flight time	1h 45m
Direct flights	Every day
Airports in London	6 airports

The best one-way flight to London from United States in the past 72 hours is $162. The best round-trip flight deal from United States to London found on momondo in the last 72 hours is $425.

The fastest flight from United States to London takes 1h 45m

Direct flights go from United States to London every day.

There are 6 airports in London. From United States there are direct flights to London Heathrow (LHR).

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 January 2026, there are 22 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 22.29% of the total bookings. Other popular models include Boeing 787-9 Dreamliner with 14.73%, Boeing 777-300ER with 11.38%, and Boeing 777-200/200ER with 9.53%.

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 $45	Free Cancellation	Rating 7.2 2,903 reviews	Search JetBlue flights
Norse Atlantic UK	PriceFrom $221	Free Cancellation	Rating 7.2 51 reviews	Search Norse Atlantic UK flights
TAP AIR PORTUGAL	PriceFrom $293	Free Cancellation	Rating 7.1 2,104 reviews	Search TAP AIR PORTUGAL flights
SWISS	PriceFrom $320	Free Cancellation	Rating 7.5 1,830 reviews	Search SWISS flights
Scandinavian Airlines	PriceFrom $357	Free Cancellation	Rating 7.4 1,629 reviews	Search Scandinavian Airlines flights
PLAY	PriceFrom $382	Free Cancellation	Rating 7.0 103 reviews	Search PLAY flights
KLM	PriceFrom $387	Free Cancellation	Rating 7.7 1,435 reviews	Search KLM flights
Finnair	PriceFrom $401	Free Cancellation	Rating 7.6 1,343 reviews	Search Finnair flights
Aer Lingus	PriceFrom $408	Free Cancellation	Rating 7.2 1,418 reviews	Search Aer Lingus flights
Lufthansa	PriceFrom $410	Free Cancellation	Rating 6.8 7,675 reviews	Search Lufthansa flights

Gatwick

Hounslow

Milton Keynes

Dover

Luton

Slough

Guildford

Hayes

Dartford

Crawley

Brentwood

Watford

Wembley

Cobham

Folkestone

Romford

Richmond

Uxbridge

Chelmsford

Stansted

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 $177

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 1/30. 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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Find the cheapest flights from the United States to London

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Icelandair flights from United States to London

Our best Icelandair deals on United States to London flight tickets

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See travel insights to London from

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

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 10% 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?

TAP AIR PORTUGAL, Icelandair, and KLM are the most popular carriers operating from United States to London

What airlines fly to London?

How often are flights from the United States to London delayed?

Historically, on average around 17% of flights between United States and London have experienced a delay on any given week. The average delay length over the past 12 months has been 151 minutes.

What is the most punctual flight time for the United States to London flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on the United States to London flights?

According to our data, Virgin Atlantic have had the least number of delays on this route over the last 12 months; with about 13% of their flights experiencing any sort of delay.

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

273 flights are operational daily from United States to London as of January 2026. The most popular departure time for this route is 7:00PM, with 66% of flights per day taking off in the evening.

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

1,914 flights are operational weekly from United States to London as of January 2026. The most popular departure day for this route is Wed, with 17% 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