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 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.

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

Norse Atlantic UK, TAP AIR PORTUGAL, and Delta 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?

251 flights are operational daily from United States to London as of December 2025. The most popular departure time for this route is 7:00PM, with 69% of flights per day taking off in the evening.

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

1,759 flights are operational weekly from United States to London as of December 2025. The most popular departure day for this route is Fri, with 15% 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.

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 December 2025, 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.

$171 Cheap Flights from the United States to London in 2025/26

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

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11:55 pm - 5:30 pm

EWR

LHR

12h 35m1 stop

8:15 am - 10:00 pm

LHR

EWR

18h 45m2 stops

$492TAP AIR PORTUGAL

Sat, Jan 31 - Sun, Feb 8

12:15 am - 8:35 pm

EWR

LGW

15h 20m1 stop

9:05 am - 10:00 pm

LGW

EWR

17h 55m1 stop

$492TAP AIR PORTUGAL

Mon, Jan 12 - Sun, Jan 18

5:45 pm - 9:05 am

EWR

LHR

10h 20m1 stop

9:50 am - 4:15 pm

LHR

EWR

11h 25m1 stop

$493Aer Lingus

Thu, Jan 8 - Sun, Jan 11

4:30 pm - 5:15 pm

EWR

LGW

19h 45m2 stops

9:40 pm - 7:38 pm

LGW

EWR

26h 58m2 stops

$493Multiple Airlines

Tue, Jan 6 - Tue, Jan 13

9:44 pm - 10:50 am

EWR

LHR

32h 06m1 stop

9:00 am - 12:18 pm

LHR

EWR

32h 18m1 stop

$501United Airlines

Tue, Dec 30 - Fri, Jan 9

7:29 pm - 6:40 am

LGA

LHR

30h 11m1 stop

1:25 pm - 2:40 pm

LHR

LGA

30h 15m1 stop

$504United Airlines

Tue, Dec 30 - Fri, Jan 9

6:16 pm - 6:55 pm

JFK

LGW

19h 39m2 stops

11:45 am - 7:15 pm

LGW

JFK

12h 30m1 stop

$509Iberia

Sat, Jan 10 - Sat, Jan 17

7:30 am - 7:00 pm

BOS

LHR

6h 30mnonstop

7:10 pm - 10:55 pm

LHR

BOS

7h 45mnonstop

$510British Airways

Fri, Mar 6 - Sat, Mar 14

10:15 am - 10:10 pm

JFK

LHR

6h 55mnonstop

10:05 am - 1:05 pm

LHR

JFK

8h 00mnonstop

$510British Airways

Fri, Jan 9 - Sat, Jan 31

11:55 pm - 11:25 am

BOS

LHR

6h 30mnonstop

9:40 am - 12:30 pm

LHR

BOS

7h 50mnonstop

$513Delta

Wed, Dec 31 - Mon, Jan 12

Air Canada flights from United States to London

Our best Air Canada deals on United States to London flight tickets

Air Canada

Dec 30

EWR8:51 pmNewark

18h 44m

1 stop

LHR8:35 pmLondon Heathrow

Jan 20

LHR9:00 amLondon Heathrow

16h 34m

2 stops

EWR8:34 pmNewark

$502

Find similar

Air Canada

Jan 18

LGA3:20 pmNew York LaGuardia

10h 50m

1 stop

LHR7:10 amLondon Heathrow

Jan 27

LHR11:10 amLondon Heathrow

11h 48m

1 stop

LGA5:58 pmNew York LaGuardia

$503

Find similar

Air Canada

Dec 9

LGA3:20 pmNew York LaGuardia

10h 50m

1 stop

LHR7:10 amLondon Heathrow

Jan 15

LHR1:25 pmLondon Heathrow

10h 37m

1 stop

LGA7:02 pmNew York LaGuardia

$504

Find similar

KLM flights from United States to London

Our best KLM deals on United States to London flight tickets

KLM

Dec 31

JFK8:20 amNew York John F Kennedy Intl

6h 50m

LHR8:10 pmLondon Heathrow

Mar 31

LHR8:00 pmLondon Heathrow

7h 50m

JFK10:50 pmNew York John F Kennedy Intl

$512

Find similar

KLM

Dec 11

LGA4:00 pmNew York LaGuardia

9h 50m

1 stop

LHR6:50 amLondon Heathrow

Dec 14

LHR9:40 amLondon Heathrow

11h 50m

1 stop

LGA4:30 pmNew York LaGuardia

$519

Find similar

Fly from

Fly to

Route

Depart

Return

Price

NewarkLondon

EWR - LHR

EWRLHR

Newark

Sat 1/31

11:55 pm-5:30 pm

1 stop12h 35m

London Heathrow

Sun 2/8

8:15 am-10:00 pm

2 stops18h 45m

$492

NewarkLondon

EWR - LGW

EWRLGW

Newark

Mon 1/12

12:15 am-8:35 pm

1 stop15h 20m

London Gatwick

Sun 1/18

9:05 am-10:00 pm

1 stop17h 55m

$492

NewarkLondon

EWR - LHR

EWRLHR

Newark

Thu 1/8

5:45 pm-9:05 am

1 stop10h 20m

London Heathrow

Sun 1/11

9:50 am-4:15 pm

1 stop11h 25m

$493

NewarkLondon

EWR - LGW

EWRLGW

Newark

Tue 1/6

4:30 pm-5:15 pm

2 stops19h 45m

London Gatwick

Tue 1/13

9:40 pm-7:38 pm

2 stops26h 58m

$493

NewarkLondon

EWR - LHR

EWRLHR

Newark

Tue 12/30

9:44 pm-10:50 am

1 stop32h 06m

London Heathrow

Fri 1/9

9:00 am-12:18 pm

1 stop32h 18m

$501

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 12/30

7:29 pm-6:40 am

1 stop30h 11m

London Heathrow

Fri 1/9

1:25 pm-2:40 pm

1 stop30h 15m

$504

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Sat 1/10

6:16 pm-6:55 pm

2 stops19h 39m

London Gatwick

Sat 1/17

11:45 am-7:15 pm

1 stop12h 30m

$509

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 3/6

7:30 am-7:00 pm

Nonstop6h 30m

London Heathrow

Sat 3/14

7:10 pm-10:55 pm

Nonstop7h 45m

$510

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 1/9

10:15 am-10:10 pm

Nonstop6h 55m

London Heathrow

Sat 1/31

10:05 am-1:05 pm

Nonstop8h 00m

$510

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 12/31

11:55 pm-11:25 am

Nonstop6h 30m

London Heathrow

Mon 1/12

9:40 am-12:30 pm

Nonstop7h 50m

$513

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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 $416, 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 $635. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $681. 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 $677. 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 $573 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	$115
Fastest flight time	6h 30m
Direct flights	Every day
Airports in London	1 airport

The best one-way flight to London from United States in the past 72 hours is $115. The best round-trip flight deal from United States to London found on momondo in the last 72 hours is $414.

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

Direct flights go from United States to London every day.

There is 1 airport near London: 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 December 2025, 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 22.97% of the total bookings. Other popular models include Boeing 787-9 Dreamliner with 15.16%, Boeing 777-300ER with 11.84%, and Boeing 777-200/200ER with 8.99%.

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 2,896 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 7.2 2,083 reviews	Search TAP AIR PORTUGAL flights
SWISS	PriceFrom $300	Free Cancellation	Rating 7.5 1,807 reviews	Search SWISS flights
Scandinavian Airlines	PriceFrom $357	Free Cancellation	Rating 7.4 1,597 reviews	Search Scandinavian Airlines flights
Lufthansa	PriceFrom $370	Free Cancellation	Rating 6.8 7,616 reviews	Search Lufthansa flights
PLAY	PriceFrom $380	Free Cancellation	Rating 7.0 103 reviews	Search PLAY flights
KLM	PriceFrom $387	Free Cancellation	Rating 7.7 1,431 reviews	Search KLM flights
Finnair	PriceFrom $401	Free Cancellation	Rating 7.6 1,334 reviews	Search Finnair flights
Air France	PriceFrom $404	Free Cancellation	Rating 7.4 1,502 reviews	Search Air France flights

Gatwick

Hounslow

Milton Keynes

Dover

Luton

Slough

Guildford

Hayes

Dartford

Crawley

Brentwood

Wembley

Romford

Watford

Ilford

Cobham

Folkestone

Uxbridge

Stansted

Chelmsford

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 $171

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 2/4. 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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Air Canada flights from United States to London

Our best Air Canada deals on United States to London flight tickets

KLM flights from United States to London

Our best KLM deals on United States to London flight tickets

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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

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, TAP AIR PORTUGAL, and Delta 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?

251 flights are operational daily from United States to London as of December 2025. The most popular departure time for this route is 7:00PM, with 69% of flights per day taking off in the evening.

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

1,759 flights are operational weekly from United States to London as of December 2025. The most popular departure day for this route is Fri, with 15% 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