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 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 SWISS 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.

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?

225 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 68% of flights per day taking off in the evening.

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 week?

1,580 flights are operational weekly from United States to London as of December 2025. The most popular departure day for this route is Tue, 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.

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 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.

$173 Cheap Flights from the United States to London in 2025/26

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Find the cheapest flights from the United States to London

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One-way

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

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5:45 pm - 8:05 am

EWR

LHR

9h 20m1 stop

9:50 am - 4:15 pm

LHR

EWR

11h 25m1 stop

$492Aer Lingus

Thu, Feb 5 - Tue, Feb 10

5:40 pm - 9:50 am

EWR

LGW

11h 10m1 stop

10:40 am - 10:00 pm

LGW

EWR

16h 20m2 stops

$492TAP AIR PORTUGAL

Thu, Jan 29 - Sun, Feb 1

5:45 pm - 8:05 am

EWR

LHR

9h 20m1 stop

7:50 am - 4:15 pm

LHR

EWR

13h 25m1 stop

$493Aer Lingus

Fri, Jan 9 - Mon, Feb 2

7:15 pm - 7:00 am

BOS

LHR

6h 45mnonstop

1:30 pm - 4:15 pm

LHR

BOS

7h 45mnonstop

$503British Airways

Wed, Dec 31 - Thu, Jan 15

8:50 pm - 7:00 pm

JFK

LGW

17h 10m1 stop

9:50 am - 10:00 pm

LGW

JFK

17h 10m1 stop

$503Iberia

Mon, Jan 26 - Wed, Feb 4

8:50 pm - 7:00 pm

JFK

LGW

17h 10m1 stop

11:45 am - 7:15 pm

LGW

JFK

12h 30m1 stop

$504Iberia

Thu, Jan 15 - Thu, Jan 22

3:35 pm - 7:10 am

BOS

LHR

10h 35m1 stop

9:00 am - 8:20 pm

LHR

BOS

16h 20m1 stop

$508United Airlines

Tue, Feb 3 - Tue, Mar 3

9:40 pm - 8:40 am

JFK

LHR

7h 00mnonstop

12:55 pm - 5:00 pm

LHR

JFK

8h 05mnonstop

$509British Airways

Thu, Mar 19 - Thu, Mar 26

10:05 am - 7:10 am

JFK

LHR

16h 05m1 stop

12:05 pm - 1:05 pm

LHR

JFK

30h 00m1 stop

$510United Airlines

Wed, Dec 31 - Thu, Jan 22

4:05 pm - 10:30 am

LAX

LHR

10h 25mnonstop

6:30 am - 2:45 pm

LHR

LAX

16h 15m1 stop

$630Delta

Tue, Apr 21 - Tue, Apr 28

Scandinavian Airlines flights from United States to London

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

Scandinavian Airlines

Feb 27

EWR5:30 pmNewark

16h 05m

2 stops

LHR2:35 pmLondon Heathrow

Mar 1

LHR6:40 amLondon Heathrow

11h 45m

1 stop

EWR1:25 pmNewark

$495

Find similar

Scandinavian Airlines

Feb 12

EWR5:40 pmNewark

14h 15m

1 stop

LHR12:55 pmLondon Heathrow

Feb 16

LHR6:40 amLondon Heathrow

11h 55m

1 stop

EWR1:35 pmNewark

$512

Find similar

Scandinavian Airlines

Dec 25

LAX7:30 pmLos Angeles

14h 10m

1 stop

LHR5:40 pmLondon Heathrow

Feb 28

LHR6:40 amLondon Heathrow

18h 20m

2 stops

LAX5:00 pmLos Angeles

$622

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Virgin Atlantic flights from United States to London

Our best Virgin Atlantic deals on United States to London flight tickets

Virgin Atlantic

Jan 15

JFK7:01 pmNew York John F Kennedy Intl

6h 54m

LHR6:55 amLondon Heathrow

Jan 21

LHR11:30 amLondon Heathrow

12h 35m

1 stop

JFK7:05 pmNew York John F Kennedy Intl

$501

Find similar

Virgin Atlantic

Dec 31

JFK12:32 pmNew York John F Kennedy Intl

13h 18m

1 stop

LHR6:50 amLondon Heathrow

Jan 14

LHR11:45 amLondon Heathrow

12h 35m

1 stop

JFK7:20 pmNew York John F Kennedy Intl

$513

Find similar

Virgin Atlantic

Dec 31

JFK8:20 amNew York John F Kennedy Intl

6h 50m

LHR8:10 pmLondon Heathrow

Jan 10

LHR8:00 pmLondon Heathrow

7h 55m

JFK10:55 pmNew York John F Kennedy Intl

$514

Find similar

Fly from

Fly to

Route

Depart

Return

Price

NewarkLondon

EWR - LHR

EWRLHR

Newark

Thu 2/5

5:45 pm-8:05 am

1 stop9h 20m

London Heathrow

Tue 2/10

9:50 am-4:15 pm

1 stop11h 25m

$492

NewarkLondon

EWR - LGW

EWRLGW

Newark

Thu 1/29

5:40 pm-9:50 am

1 stop11h 10m

London Gatwick

Sun 2/1

10:40 am-10:00 pm

2 stops16h 20m

$492

NewarkLondon

EWR - LHR

EWRLHR

Newark

Fri 1/9

5:45 pm-8:05 am

1 stop9h 20m

London Heathrow

Mon 2/2

7:50 am-4:15 pm

1 stop13h 25m

$493

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 12/31

7:15 pm-7:00 am

Nonstop6h 45m

London Heathrow

Thu 1/15

1:30 pm-4:15 pm

Nonstop7h 45m

$503

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Mon 1/26

8:50 pm-7:00 pm

1 stop17h 10m

London Gatwick

Wed 2/4

9:50 am-10:00 pm

1 stop17h 10m

$503

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Thu 1/15

8:50 pm-7:00 pm

1 stop17h 10m

London Gatwick

Thu 1/22

11:45 am-7:15 pm

1 stop12h 30m

$504

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 2/3

3:35 pm-7:10 am

1 stop10h 35m

London Heathrow

Tue 3/3

9:00 am-8:20 pm

1 stop16h 20m

$508

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 3/19

9:40 pm-8:40 am

Nonstop7h 00m

London Heathrow

Thu 3/26

12:55 pm-5:00 pm

Nonstop8h 05m

$509

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 12/31

10:05 am-7:10 am

1 stop16h 05m

London Heathrow

Thu 1/22

12:05 pm-1:05 pm

1 stop30h 00m

$510

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Tue 4/21

4:05 pm-10:30 am

Nonstop10h 25m

London Heathrow

Tue 4/28

6:30 am-2:45 pm

1 stop16h 15m

$630

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Showing 1-10 of 20 resultsSorted by cheapest first

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 $423, 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 $634. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $680. 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	$123
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 $123. The best round-trip flight deal from United States to London found on momondo in the last 72 hours is $413.

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 December 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 22.58% of the total bookings. Other popular models include Boeing 787-9 Dreamliner with 15.27%, Boeing 777-300ER with 11.79%, and Boeing 777-200/200ER with 9.49%.

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 2,894 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 2,091 reviews	Search TAP AIR PORTUGAL flights
SWISS	PriceFrom $320	Free Cancellation	Rating 7.5 1,814 reviews	Search SWISS flights
Scandinavian Airlines	PriceFrom $357	Free Cancellation	Rating 7.4 1,606 reviews	Search Scandinavian Airlines flights
Lufthansa	PriceFrom $370	Free Cancellation	Rating 6.8 7,632 reviews	Search Lufthansa flights
PLAY	PriceFrom $382	Free Cancellation	Rating 7.0 103 reviews	Search PLAY flights
KLM	PriceFrom $387	Free Cancellation	Rating 7.7 1,430 reviews	Search KLM flights
Finnair	PriceFrom $401	Free Cancellation	Rating 7.6 1,337 reviews	Search Finnair flights
Aer Lingus	PriceFrom $408	Free Cancellation	Rating 7.2 1,395 reviews	Search Aer Lingus flights

Gatwick

Hounslow

Milton Keynes

Dover

Luton

Slough

Guildford

Hayes

Dartford

Crawley

Brentwood

Wembley

Watford

Ilford

Cobham

Folkestone

Romford

Richmond

Uxbridge

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 $173

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 1/11. 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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Virgin Atlantic flights from United States to London

Our best Virgin Atlantic 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, TAP AIR PORTUGAL, and SWISS 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?

225 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 68% of flights per day taking off in the evening.

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

1,580 flights are operational weekly from United States to London as of December 2025. The most popular departure day for this route is Tue, 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