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

Norse Atlantic UK, LEVEL, and Icelandair are the most popular carriers operating from United States to London

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 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.

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.

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 155 minutes.

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

1,732 flights are operational weekly from United States to London as of January 2026. The most popular departure day for this route is Thu, with 17% of flights per week taking off on this day.

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

247 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 68% of flights per day taking off in the evening.

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 11% of their flights experiencing any sort of delay.

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 21 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.

$186 Cheap Flights from the United States to London in 2026

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Find the cheapest flights from the United States to London

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One-way

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Direct

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

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7:25 pm - 10:50 am

JFK

LHR

10h 25m

1 stop

1:05 pm - 7:20 pm

LHR

JFK

11h 15m

1 stop

$462Icelandair

Sun, Mar 1 - Wed, Apr 22

2:25 am - 1:20 pm

JFK

LGW

6h 55mnonstop

1:05 pm - 3:55 pm

LGW

JFK

7h 50mnonstop

$462Norse Atlantic UK

Wed, Mar 25 - Mon, Apr 13

9:00 pm - 5:50 pm

JFK

LHR

15h 50m

1 stop

5:50 pm - 1:20 pm

LHR

JFK

24h 30m

1 stop

$463Multiple Airlines

Tue, Feb 24 - Thu, Feb 26

6:20 pm - 6:20 am

JFK

LGW

7h 00mnonstop

1:05 pm - 3:55 pm

LGW

JFK

7h 50mnonstop

$463Norse Atlantic UK

Fri, Apr 17 - Wed, Apr 29

7:15 pm - 7:00 am

BOS

LHR

6h 45mnonstop

8:25 am - 7:50 pm

LHR

BOS

16h 25m

1 stop

$500Iberia

Thu, Feb 26 - Sun, Mar 1

12:56 pm - 9:00 am

EWR

LGW

15h 04m

2 stops

12:30 pm - 12:59 am

LGW

EWR

17h 29m

2 stops

$505American Airlines

Mon, Feb 23 - Sat, Feb 28

10:40 pm - 11:05 am

EWR

LHR

7h 25mnonstop

9:00 am - 8:30 pm

LHR

EWR

16h 30m

1 stop

$507United Airlines

Wed, Feb 25 - Wed, Mar 4

2:55 pm - 9:20 am

EWR

LHR

13h 25m

1 stop

12:05 pm - 8:30 pm

LHR

EWR

13h 25m

1 stop

$510United Airlines

Fri, Feb 20 - Tue, Feb 24

4:35 pm - 10:55 am

LAX

LHR

10h 20mnonstop

8:25 pm - 12:45 pm

LHR

LAX

23h 20m

1 stop

$598Virgin Atlantic

Thu, Mar 5 - Mon, Mar 16

4:35 pm - 10:55 am

LAX

LHR

10h 20mnonstop

6:30 am - 12:45 pm

LHR

LAX

13h 15m

1 stop

$602Virgin Atlantic

Tue, Mar 3 - Wed, Mar 11

United Airlines flights from United States to London

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

United Airlines

Feb 25

EWR10:40 pmNewark

7h 25m

LHR11:05 amLondon Heathrow

Mar 4

LHR9:00 amLondon Heathrow

16h 30m

1 stop

EWR8:30 pmNewark

$507

United Airlines

Feb 14

BOS6:40 pmBoston Logan Intl

20h 55m

1 stop

LHR8:35 pmLondon Heathrow

Feb 18

LHR12:05 pmLondon Heathrow

13h 15m

1 stop

BOS8:20 pmBoston Logan Intl

$510

Delta flights from United States to London

Our best Delta deals on United States to London flight tickets

Delta

Feb 18

BOS8:00 pmBoston Logan Intl

6h 50m

LHR7:50 amLondon Heathrow

Mar 11

LHR6:20 amLondon Heathrow

12h 10m

1 stop

BOS2:30 pmBoston Logan Intl

$517

Delta

Mar 1

BOS8:00 pmBoston Logan Intl

6h 50m

LHR7:50 amLondon Heathrow

Mar 7

LHR6:30 amLondon Heathrow

11h 50m

1 stop

BOS1:20 pmBoston Logan Intl

$519

Delta

Feb 11

BOS8:00 pmBoston Logan Intl

6h 50m

LHR7:50 amLondon Heathrow

Feb 24

LHR6:20 amLondon Heathrow

12h 20m

1 stop

BOS1:40 pmBoston Logan Intl

$520

Fly from

Fly to

Route

Depart

Return

Price

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sun 3/1

7:25 pm-10:50 am

1 stop10h 25m

London Heathrow

Wed 4/22

1:05 pm-7:20 pm

1 stop11h 15m

$462

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Wed 3/25

2:25 am-1:20 pm

Nonstop6h 55m

London Gatwick

Mon 4/13

1:05 pm-3:55 pm

Nonstop7h 50m

$462

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 2/24

9:00 pm-5:50 pm

1 stop15h 50m

London Heathrow

Thu 2/26

5:50 pm-1:20 pm

1 stop24h 30m

$463

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Fri 4/17

6:20 pm-6:20 am

Nonstop7h 00m

London Gatwick

Wed 4/29

1:05 pm-3:55 pm

Nonstop7h 50m

$463

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 2/26

7:15 pm-7:00 am

Nonstop6h 45m

London Heathrow

Sun 3/1

8:25 am-7:50 pm

1 stop16h 25m

$500

NewarkLondon

EWR - LGW

EWRLGW

Newark

Mon 2/23

12:56 pm-9:00 am

2 stops15h 04m

London Gatwick

Sat 2/28

12:30 pm-12:59 am

2 stops17h 29m

$505

NewarkLondon

EWR - LHR

EWRLHR

Newark

Wed 2/25

10:40 pm-11:05 am

Nonstop7h 25m

London Heathrow

Wed 3/4

9:00 am-8:30 pm

1 stop16h 30m

$507

NewarkLondon

EWR - LHR

EWRLHR

Newark

Fri 2/20

2:55 pm-9:20 am

1 stop13h 25m

London Heathrow

Tue 2/24

12:05 pm-8:30 pm

1 stop13h 25m

$510

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Thu 3/5

4:35 pm-10:55 am

Nonstop10h 20m

London Heathrow

Mon 3/16

8:25 pm-12:45 pm

1 stop23h 20m

$598

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Tue 3/3

4:35 pm-10:55 am

Nonstop10h 20m

London Heathrow

Wed 3/11

6:30 am-12:45 pm

1 stop13h 15m

$602

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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 September. Flight prices, which tend to average around $506, 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 $517.

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 $634. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $692. 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 $618 when looking at flights departing in the morning. Flights to London are more costly in the evening, with an average ticket price of $678. 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 $608 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 $585 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?

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

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	$124
Fastest flight time	6h 30m
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 $124. The best round-trip flight deal from United States to London found on momondo in the last 72 hours is $399.

The fastest flight from United States to London takes 6h 30m

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 21 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 20.54% of the total bookings. Other popular models include Boeing 787-9 Dreamliner with 16.72%, Boeing 777-300ER with 10.82%, and Boeing 777-200/200ER with 9.02%.

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 2,891 reviews	Search JetBlue flights
Norse Atlantic UK	PriceFrom $129	Free Cancellation	Rating 7.2 51 reviews	Search Norse Atlantic UK flights
Icelandair	PriceFrom $263	Free Cancellation	Rating 7.1 606 reviews	Search Icelandair flights
TAP AIR PORTUGAL	PriceFrom $293	Free Cancellation	Rating 7.1 2,130 reviews	Search TAP AIR PORTUGAL flights
SWISS	PriceFrom $320	Free Cancellation	Rating 7.6 1,864 reviews	Search SWISS flights
Scandinavian Airlines	PriceFrom $334	Free Cancellation	Rating 7.3 1,674 reviews	Search Scandinavian Airlines flights
PLAY	PriceFrom $380	Free Cancellation	Rating 7.0 103 reviews	Search PLAY flights
KLM	PriceFrom $387	Free Cancellation	Rating 7.7 1,443 reviews	Search KLM flights
Finnair	PriceFrom $401	Free Cancellation	Rating 7.6 1,356 reviews	Search Finnair flights
Aer Lingus	PriceFrom $408	Free Cancellation	Rating 7.2 1,443 reviews	Search Aer Lingus flights

Gatwick

Hounslow

Milton Keynes

Luton

Dover

Slough

Guildford

Crawley

Wembley

Dartford

Hayes

Brentwood

Harrow

Watford

Cobham

Folkestone

Romford

Stansted

Croydon

Richmond

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 $186

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 3/20. 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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Our best United Airlines 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?

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

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

Norse Atlantic UK, LEVEL, and Icelandair 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 155 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 11% of their flights experiencing any sort of delay.

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

247 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 68% of flights per day taking off in the evening.

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

1,732 flights are operational weekly from United States to London as of January 2026. The most popular departure day for this route is Thu, 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