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

Historically, on average around 13% of flights between London and United States have experienced a delay on any given week. The average delay length over the past 12 months has been 157 minutes.

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

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

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

According to our data, Virgin Atlantic have had the fewest delays on this route over the last 12 months, with about 9% of their flights experiencing any sort of delay.

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

201 flights are operational daily from London to United States as of February 2026. The most popular departure time for this route is 11:00, with 51% of flights per day taking off in the afternoon.

Which airlines fly to United States?

Virgin Atlantic, British Airways and Lufthansa are the top three most popular airlines that fly to United States from London according to our data. Virgin Atlantic is the first choice among our users, with 50% of people opting to fly with this airline when travelling to United States. Keep in mind that there are 27 different airlines that fly to United States on a routine basis, so you have a few additional options to choose from.

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

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

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

The number of flights available between London and United States is 1,407 per week as of February 2026. The most frequent departure day is Fri, with 16% of weekly flights leaving on this day.

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

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

When did momondo last update prices for flights from London to United States?

Prices for flights from London to United States are updated daily.

How many operators does momondo search for flights from London to United States?

As of February 2026, there are 25 operators available to choose from for flights from London to United States.

How old do you have to be to fly from London to United States?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to United States.

What documentation or ID do you need to fly to United States?

The travel and health documents you'll need for your trip to United States may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at United States. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£223 Cheap Flights from London to the United States in 2026

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One-way

Last minute

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Cheap return flights

Enter your travel dates to find the best prices.

20:35 - 20:35

LHR

MCO

29h 00m

1 stop

18:50 - 19:30

MCO

LHR

20h 40m

1 stop

£308Icelandair

Fri, 6 Mar - Thu, 26 Mar

12:15 - 20:35

LHR

MCO

13h 20m

1 stop

18:50 - 10:50

MCO

LHR

12h 00m

1 stop

£308Icelandair

Fri, 27 Feb - Mon, 9 Mar

12:15 - 21:35

LHR

MCO

13h 20m

1 stop

18:50 - 10:50

MCO

LHR

12h 00m

1 stop

£310Icelandair

Sun, 8 Mar - Sun, 22 Mar

13:00 - 15:55

LGW

JFK

7h 55mdirect

19:05 - 06:00

JFK

LGW

6h 55mdirect

£324Norse Atlantic UK

Fri, 6 Mar - Sun, 15 Mar

13:00 - 15:55

LGW

JFK

7h 55mdirect

19:05 - 06:00

JFK

LGW

6h 55mdirect

£325Norse Atlantic UK

Fri, 6 Mar - Sun, 15 Mar

07:40 - 15:15

LHR

LAX

15h 35m

1 stop

17:30 - 15:50

LAX

LHR

14h 20m

1 stop

£350Lufthansa

Fri, 20 Feb - Mon, 2 Mar

12:05 - 18:41

LHR

LGA

11h 36m

1 stop

14:59 - 06:40

LGA

LHR

11h 41m

1 stop

£350United Airlines

Thu, 5 Mar - Mon, 9 Mar

11:00 - 13:55

LHR

EWR

7h 55mdirect

21:25 - 09:30

EWR

LHR

7h 05mdirect

£351British Airways

Sat, 9 May - Mon, 11 May

16:35 - 19:25

LHR

EWR

7h 50mdirect

21:25 - 09:30

EWR

LHR

7h 05mdirect

£352British Airways

Fri, 8 May - Tue, 12 May

16:40 - 23:30

LHR

LGA

11h 50m

1 stop

19:29 - 10:40

LGA

LHR

10h 11m

1 stop

£359United Airlines

Fri, 8 May - Wed, 13 May

Lufthansa flights from London to United States

Our best Lufthansa deals on London to United States flight tickets

Lufthansa

19 Feb

LHR06:35London Heathrow

16h 40m

1 stop

LAX15:15Los Angeles

28 Feb

LAX19:00Los Angeles

10h 30m

LHR13:30London Heathrow

£349

Lufthansa

20 Feb

LHR06:35London Heathrow

16h 40m

1 stop

LAX15:15Los Angeles

23 Feb

LAX17:30Los Angeles

14h 20m

1 stop

LHR15:50London Heathrow

£350

Lufthansa

12 Feb

LHR06:35London Heathrow

16h 40m

1 stop

LAX15:15Los Angeles

25 Feb

LAX19:00Los Angeles

10h 30m

LHR13:30London Heathrow

£354

SWISS flights from London to United States

Our best SWISS deals on London to United States flight tickets

SWISS

20 Feb

LHR09:00London Heathrow

15h 35m

1 stop

LAX16:35Los Angeles

23 Feb

LAX19:10Los Angeles

14h 40m

1 stop

LHR17:50London Heathrow

£351

SWISS

17 Feb

LGW18:40London Gatwick

23h 25m

1 stop

JFK13:05New York John F Kennedy Intl

22 Feb

JFK21:00New York John F Kennedy Intl

15h 50m

1 stop

LGW17:50London Gatwick

£352

SWISS

18 Feb

LGW18:40London Gatwick

23h 25m

1 stop

JFK13:05New York John F Kennedy Intl

1 Mar

JFK21:00New York John F Kennedy Intl

15h 50m

1 stop

LGW17:50London Gatwick

£355

Fly from

Fly to

Route

Depart

Return

Price

LondonOrlando

LHR - MCO

LHRMCO

London Heathrow

Fri 6/3

20:35-20:35

1 stop29h 00m

Orlando

Thu 26/3

18:50-19:30

1 stop20h 40m

£308

LondonOrlando

LHR - MCO

LHRMCO

London Heathrow

Fri 27/2

12:15-20:35

1 stop13h 20m

Orlando

Mon 9/3

18:50-10:50

1 stop12h 00m

£308

LondonOrlando

LHR - MCO

LHRMCO

London Heathrow

Sun 8/3

12:15-21:35

1 stop13h 20m

Orlando

Sun 22/3

18:50-10:50

1 stop12h 00m

£310

LondonNew York

LGW - JFK

LGWJFK

London Gatwick

Fri 6/3

13:00-15:55

Nonstop7h 55m

New York John F Kennedy Intl

Sun 15/3

19:05-06:00

Nonstop6h 55m

£324

LondonNew York

LGW - JFK

LGWJFK

London Gatwick

Fri 6/3

13:00-15:55

Nonstop7h 55m

New York John F Kennedy Intl

Sun 15/3

19:05-06:00

Nonstop6h 55m

£325

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 20/2

07:40-15:15

1 stop15h 35m

Los Angeles

Mon 2/3

17:30-15:50

1 stop14h 20m

£350

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Thu 5/3

12:05-18:41

1 stop11h 36m

New York LaGuardia

Mon 9/3

14:59-06:40

1 stop11h 41m

£350

LondonNewark

LHR - EWR

LHREWR

London Heathrow

Sat 9/5

11:00-13:55

Nonstop7h 55m

Newark

Mon 11/5

21:25-09:30

Nonstop7h 05m

£351

LondonNewark

LHR - EWR

LHREWR

London Heathrow

Fri 8/5

16:35-19:25

Nonstop7h 50m

Newark

Tue 12/5

21:25-09:30

Nonstop7h 05m

£352

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Fri 8/5

16:40-23:30

1 stop11h 50m

New York LaGuardia

Wed 13/5

19:29-10:40

1 stop10h 11m

£358

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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 United States?

The month of September is, on average, the cheapest month to fly to United States from London, with most prices found around £353. If you are unable to visit United States during the month of September, then departing from London during the month March is also very affordable. Most momondo users find prices during this month for around £359.

What is the cheapest day to depart on your flight to United States?

According to our data, Thursday is the cheapest day to fly to United States from London. The lowest ticket price found for a Thursday departure recently was £464. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from London to United States for around £528.

What is the cheapest time of day to depart on your flight to United States?

Our most recent data shows that the best time of day to fly to United States is in the afternoon. Flights from London to United States during this time can be as low as £480. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are £568 on average. Flights to United States from London in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest London to United States flight route?

Fly from London Gatwick to Orlando for the best London - United States flight prices

How far in advance should I book a flight to United States?

You are more likely to see cheaper flights to United States from London when booking weeks ahead of your departure date. In general, you can expect to find flights to United States for around £432 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United States from London for as low as £389 on momondo.

What cabin class options are available on London to United States flights?

There are 4 cabin classes available to choose from on London to United States 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 London to United States flights?

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

Cheap London to United States flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to United States

Best price found	£220
Fastest flight time	7h 25m
Direct flights	Every day
Airports in United States	4,296 airports

The best one-way flight to United States from London in the past 72 hours is £220. The best return flight deal from London to United States found on momondo in the last 72 hours is £269.

The fastest flight from London to United States takes 7h 25m

Direct flights go from London to United States every day.

There are 4,296 airports in United States. From London there are direct flights to Newark (EWR), New York John F Kennedy Intl (JFK).

Search flight deals

When did momondo last update prices for flights from London to United States?
Prices for flights from London to United States are updated daily.
How many operators does momondo search for flights from London to United States?
As of February 2026, there are 25 operators available to choose from for flights from London to United States.
How old do you have to be to fly from London to United States?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to United States.
What documentation or ID do you need to fly to United States?
The travel and health documents you'll need for your trip to United States may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at United States. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from London to United States?
Based on momondo bookings for flights between London and United States, the leading plane model is Boeing 777, making up 17.43% of the total bookings. Other popular models include Airbus A350-1000 with 17.00%, Boeing 787-9 Dreamliner with 16.19%, and Boeing 777-200/200ER with 7.82%.

Best airlines flying from London to United States

Compare and see reviews for airlines that fly from London to United States with momondo

Airline	Rating	Free Cancellation	Price
JetBlue	PriceFrom £89	Free Cancellation	Rating 7.2 2,898 reviews	Search JetBlue flights
Delta	PriceFrom £146	Free Cancellation	Rating 7.9 8,168 reviews	Search Delta flights
Air Canada	PriceFrom £213	Free Cancellation	Rating 7.1 10,697 reviews	Search Air Canada flights
TAP AIR PORTUGAL	PriceFrom £222	Free Cancellation	Rating 7.1 2,135 reviews	Search TAP AIR PORTUGAL flights
Iberia	PriceFrom £236	Free Cancellation	Rating 7.0 3,106 reviews	Search Iberia flights
PLAY	PriceFrom £265	Free Cancellation	Rating 7.0 103 reviews	Search PLAY flights
Finnair	PriceFrom £270	Free Cancellation	Rating 7.6 1,357 reviews	Search Finnair flights
SWISS	PriceFrom £274	Free Cancellation	Rating 7.6 1,867 reviews	Search SWISS flights
Icelandair	PriceFrom £280	Free Cancellation	Rating 7.1 606 reviews	Search Icelandair flights
Scandinavian Airlines	PriceFrom £281	Free Cancellation	Rating 7.3 1,678 reviews	Search Scandinavian Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from London to United States?

It is quick and easy to find London to United States flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to United States that suits you.

Can I find flights from London to United States with flexible booking policies on momondo?

All flight searches from London to United States on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from London to United States?

momondo provides multiple filters to help you find the best flight to United States from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from London to United States right now. Can momondo alert me if prices change?

Price alerts on flights to United States from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your United States trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Start using Trips

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Complete your trip

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Popular Cities in the United States

Flights to New Yorkfrom £220

Flights to Orlandofrom £266

Flights to Los Angelesfrom £303

Flights to Miamifrom £325

Flights to San Franciscofrom £338

Flights to Bostonfrom £291

Flights to Chicagofrom £350

Flights to Washington, D.C.from £301

Flights to Las Vegasfrom £415

Flights to Atlantafrom £337

Flights to Dallasfrom £379

Flights to Houstonfrom £434

Cheap flights from London to the United States from £264

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to the United States departing on 28/4. 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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Find the cheapest flights from London to the United States

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Lufthansa flights from London to United States

Our best Lufthansa deals on London to United States flight tickets

SWISS flights from London to United States

Our best SWISS deals on London to United States flight tickets

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Use the filters below to find and compare flights from London to the United States that are best for you.

See travel insights to the United States from

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

What is the cheapest month to fly to United States?

What is the cheapest day to depart on your flight to United States?

What is the cheapest time of day to depart on your flight to United States?

What is the cheapest London to United States flight route?

Fly from London Gatwick to Orlando for the best London - United States flight prices

How far in advance should I book a flight to United States?

What cabin class options are available on London to United States flights?

There are 4 cabin classes available to choose from on London to United States 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 London to United States flights?

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

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

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

Which airlines fly to United States?

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

Historically, on average around 13% of flights between London and United States have experienced a delay on any given week. The average delay length over the past 12 months has been 157 minutes.

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

Generally, flights departing at night tend to experience fewer delays. Flights departing in the early afternoon 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 that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

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

According to our data, Virgin Atlantic have had the fewest delays on this route over the last 12 months, with about 9% of their flights experiencing any sort of delay.

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

201 flights are operational daily from London to United States as of February 2026. The most popular departure time for this route is 11:00, with 51% of flights per day taking off in the afternoon.

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

The number of flights available between London and United States is 1,407 per week as of February 2026. The most frequent departure day is Fri, with 16% of weekly flights leaving on this day.

Cheap London to United States flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to United States

Best price found

Fastest flight time

Direct flights

Airports in United States

When did momondo last update prices for flights from London to United States?

How many operators does momondo search for flights from London to United States?

How old do you have to be to fly from London to United States?

What documentation or ID do you need to fly to United States?

What is the most popular plane model from London to United States?

Best airlines flying from London to United States

Compare and see reviews for airlines that fly from London to United States with momondo

Why use momondo?

Why should I use momondo to find a flight deal from London to United States?

Can I find flights from London to United States with flexible booking policies on momondo?

How can momondo help me find flights from London to United States?

I’m not ready to book a flight from London to United States right now. Can momondo alert me if prices change?

An easier way to manage your United States trip

We make it super easy to schedule, organise 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 States

Popular Cities in the United States

Popular flights according to clicks in the last 7 days on momondo

London flight routes

According to popular flight searches on momondo this year

United States flight routes

According to popular flight searches on momondo this year

Fly your favourite airline to the United States

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to the United States