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.

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.

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

1,615 flights are operational weekly from United States to London as of November 2025. The most popular departure day for this route is Mon, with 16% 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, La Compagnie have had the least number of delays on this route over the last 12 months; with no flights being classified as delayed.

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

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

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

230 flights are operational daily from United States to London as of November 2025. The most popular departure time for this route is 7:00PM, with 72% of flights per day taking off in the evening.

What airlines fly to London?

British Airways, Iberia and United Airlines 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 52% 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 November 2025, 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.

$155 Cheap Flights from the United States to London in 2025/26

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3:20 pm - 7:10 amLGA-LHR

10h 50m1 stop

12:00 pm - 10:33 pmLHR-LGA

15h 33m2 stops

$499Multiple Airlines

Find Deal

vie., nov. 28 - vie., dic. 5

6:25 pm - 6:20 amJFK-LHR

6h 55mnonstop

11:25 am - 7:15 pmLHR-JFK

12h 50m1 stop

$499American Airlines

Find Deal

vie., ene. 16 - lun., ene. 19

6:20 pm - 6:20 amJFK-LGW

7h 00mnonstop

1:05 pm - 3:55 pmLGW-JFK

7h 50mnonstop

$499Norse Atlantic UK

Find Deal

mié., abr. 15 - vie., abr. 17

6:05 pm - 6:00 amJFK-LGW

6h 55mnonstop

1:00 pm - 3:55 pmLGW-JFK

7h 55mnonstop

$500Norse Atlantic UK

Find Deal

mié., ene. 7 - mié., ene. 14

8:45 pm - 9:10 amEWR-LHR

7h 25mnonstop

12:05 pm - 8:30 pmLHR-EWR

13h 25m1 stop

$501United Airlines

Find Deal

mié., ene. 7 - mié., ene. 14

10:05 am - 7:10 amJFK-LHR

16h 05m1 stop

9:00 am - 4:40 pmLHR-JFK

12h 40m1 stop

$502United Airlines

Find Deal

mié., feb. 4 - mar., feb. 10

6:00 pm - 6:20 amJFK-LHR

7h 20mnonstop

10:00 am - 3:45 pmLHR-JFK

10h 45m1 stop

$505Delta

Find Deal

vie., dic. 5 - lun., dic. 8

6:30 pm - 6:25 amEWR-LHR

6h 55mnonstop

4:30 pm - 7:35 pmLHR-EWR

8h 05mnonstop

$506British Airways

Find Deal

jue., ene. 15 - lun., ene. 26

8:40 pm - 8:40 amJFK-LHR

7h 00mnonstop

5:00 pm - 8:05 pmLHR-JFK

8h 05mnonstop

$506British Airways

Find Deal

jue., ene. 8 - lun., ene. 19

8:00 pm - 7:50 amBOS-LHR

6h 50mnonstop

1:05 pm - 4:00 pmLHR-BOS

7h 55mnonstop

$510Delta

Find Deal

mié., dic. 31 - lun., ene. 12

Air Canada flights from United States to London

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

Air Canada

Dec 5

EWR2:20 pmNewark

11h 10m

1 stop

LHR6:30 amLondon Heathrow

Dec 8

LHR1:00 pmLondon Heathrow

11h 38m

1 stop

EWR7:38 pmNewark

$496

Find similar

Air Canada

Dec 4

LGA1:05 pmNew York LaGuardia

13h 05m

1 stop

LHR7:10 amLondon Heathrow

Dec 11

LHR6:50 amLondon Heathrow

12h 52m

2 stops

LGA2:42 pmNew York LaGuardia

$499

Find similar

Air Canada

Nov 27

EWR11:58 amNewark

14h 12m

2 stops

LHR7:10 amLondon Heathrow

Dec 4

LHR9:00 amLondon Heathrow

15h 38m

2 stops

EWR7:38 pmNewark

$500

Find similar

United Airlines flights from United States to London

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

United Airlines

Dec 7

EWR9:10 amNewark

7h 10m

LHR9:20 pmLondon Heathrow

Dec 11

LHR6:35 amLondon Heathrow

17h 30m

1 stop

EWR7:05 pmNewark

$497

Find similar

United Airlines

Dec 8

EWR7:52 pmNewark

29h 48m

1 stop

LHR6:40 amLondon Heathrow

Dec 14

LHR9:00 amLondon Heathrow

32h 18m

1 stop

EWR12:18 pmNewark

$498

Find similar

United Airlines

Dec 1

LGA7:29 pmNew York LaGuardia

30h 11m

1 stop

LHR6:40 amLondon Heathrow

Dec 12

LHR1:25 pmLondon Heathrow

30h 17m

1 stop

LGA2:42 pmNew York LaGuardia

$499

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Fly from

Fly to

Route

Depart

Return

Price

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

vie. 11/28

3:20 pm-7:10 am

1 stop10h 50m

London Heathrow

vie. 12/5

12:00 pm-10:33 pm

2 stops15h 33m

$499

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

vie. 1/16

6:25 pm-6:20 am

Nonstop6h 55m

London Heathrow

lun. 1/19

11:25 am-7:15 pm

1 stop12h 50m

$499

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

mié. 4/15

6:20 pm-6:20 am

Nonstop7h 00m

London Gatwick

vie. 4/17

1:05 pm-3:55 pm

Nonstop7h 50m

$499

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

mié. 1/7

6:05 pm-6:00 am

Nonstop6h 55m

London Gatwick

mié. 1/14

1:00 pm-3:55 pm

Nonstop7h 55m

$500

NewarkLondon

EWR - LHR

EWRLHR

Newark

mié. 1/7

8:45 pm-9:10 am

Nonstop7h 25m

London Heathrow

mié. 1/14

12:05 pm-8:30 pm

1 stop13h 25m

$501

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

mié. 2/4

10:05 am-7:10 am

1 stop16h 05m

London Heathrow

mar. 2/10

9:00 am-4:40 pm

1 stop12h 40m

$502

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

vie. 12/5

6:00 pm-6:20 am

Nonstop7h 20m

London Heathrow

lun. 12/8

10:00 am-3:45 pm

1 stop10h 45m

$505

NewarkLondon

EWR - LHR

EWRLHR

Newark

jue. 1/15

6:30 pm-6:25 am

Nonstop6h 55m

London Heathrow

lun. 1/26

4:30 pm-7:35 pm

Nonstop8h 05m

$506

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

jue. 1/8

8:40 pm-8:40 am

Nonstop7h 00m

London Heathrow

lun. 1/19

5:00 pm-8:05 pm

Nonstop8h 05m

$506

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

mié. 12/31

8:00 pm-7:50 am

Nonstop6h 50m

London Heathrow

lun. 1/12

1:05 pm-4:00 pm

Nonstop7h 55m

$510

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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 $414, 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 Tuesday. Travelers who choose to depart for London on a Tuesday will often find tickets for as low as $633. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $675. 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 $673. 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 $567 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	$99
Fastest flight time	1h 45m
Direct flights	Every day
Airports in London	3 airports

The best one-way flight to London from United States in the past 72 hours is $99. The best round-trip flight deal from United States to London found on momondo in the last 72 hours is $401.

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

Direct flights go from United States to London every day.

There are 3 airports near London: London City (LCY), 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 November 2025, 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 25.21% of the total bookings. Other popular models include Boeing 787-9 Dreamliner with 14.04%, Boeing 777-300ER with 12.55%, and Boeing 777-200/200ER with 9.18%.

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
Scandinavian Airlines	PriceFrom $213	Free Cancellation	Rating 7.4 1,585 reviews	Search Scandinavian Airlines flights
WestJet	PriceFrom $272	Free Cancellation	Rating 7.2 3,173 reviews	Search WestJet flights
SWISS	PriceFrom $290	Free Cancellation	Rating 7.5 1,790 reviews	Search SWISS flights
TAP AIR PORTUGAL	PriceFrom $293	Free Cancellation	Rating 7.1 2,073 reviews	Search TAP AIR PORTUGAL flights
Norse Atlantic UK	PriceFrom $349	Free Cancellation	Rating 7.2 51 reviews	Search Norse Atlantic UK flights
PLAY	PriceFrom $380	Free Cancellation	Rating 7.0 103 reviews	Search PLAY flights
Air Canada	PriceFrom $382	Free Cancellation	Rating 7.1 10,469 reviews	Search Air Canada flights
KLM	PriceFrom $387	Free Cancellation	Rating 7.7 1,420 reviews	Search KLM flights
Air France	PriceFrom $391	Free Cancellation	Rating 7.4 1,497 reviews	Search Air France flights

Gatwick

Hounslow

Milton Keynes

Dover

Luton

Slough

Guildford

Hayes

Dartford

Crawley

Brentwood

Chelmsford

Wembley

Folkestone

Romford

Ilford

Cobham

Stansted

Harrow

Watford

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

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

London City Airport

London Gatwick Airport

London Heathrow Airport

London Luton Airport

London Southend Airport

London Stansted Airport

Popular cities in the United Kingdom

Flights to Manchesterfrom $361

Flights to Edinburghfrom $377

Flights to Glasgowfrom $395

Flights to Birminghamfrom $383

Flights to Newcastle upon Tynefrom $519

Flights to Belfastfrom $482

Flights to Bristolfrom $409

Flights to Invernessfrom $406

Flights to Liverpoolfrom $455

Flights to Aberdeenfrom $523

Flights to Leedsfrom $461

Flights to Cardifffrom $545

Cheap flights from the United States to London from $155

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 12/1. 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

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United Airlines flights from United States to London

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

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, United Airlines, 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, La Compagnie have had the least number of delays on this route over the last 12 months; with no flights being classified as delayed.

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

230 flights are operational daily from United States to London as of November 2025. The most popular departure time for this route is 7:00PM, with 72% of flights per day taking off in the evening.

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

1,615 flights are operational weekly from United States to London as of November 2025. The most popular departure day for this route is Mon, with 16% 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