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Cheap flights from London to the United States from £271

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 5/12. 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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Cheap return flights

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Norse Atlantic UK Logo
13:00 - 15:55LGW-JFK
7h 55mdirect
Norse Atlantic UK Logo
18:05 - 06:00JFK-LGW
6h 55mdirect
£334Norse Atlantic UK
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Sun, 18 Jan - Tue, 27 Jan
Icelandair Logo
20:35 - 18:00LHR-JFK
26h 25m1 stop
Icelandair Logo
19:25 - 19:30JFK-LHR
19h 05m1 stop
£334Icelandair
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Thu, 15 Jan - Thu, 22 Jan
TAP AIR PORTUGAL Logo
11:00 - 22:05LGW-EWR
16h 05m1 stop
TAP AIR PORTUGAL Logo
00:25 - 08:20EWR-LGW
26h 55m1 stop
£344TAP AIR PORTUGAL
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Mon, 12 Jan - Fri, 16 Jan
TAP AIR PORTUGAL Logo
10:10 - 22:00LGW-EWR
16h 50m1 stop
TAP AIR PORTUGAL Logo
00:15 - 20:35EWR-LGW
15h 20m1 stop
£345TAP AIR PORTUGAL
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Sat, 31 Jan - Mon, 2 Feb
Virgin Atlantic Logo
06:30 - 14:50LHR-MIA
13h 20m1 stop
Virgin Atlantic Logo
17:55 - 09:00MIA-LHR
11h 05m1 stop
£429Virgin Atlantic
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Thu, 5 Mar - Fri, 13 Mar
Virgin Atlantic Logo
19:15 - 14:55LHR-MIA
24h 40m1 stop
Virgin Atlantic Logo
07:00 - 08:50MIA-LHR
20h 50m1 stop
£429Virgin Atlantic
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Mon, 4 May - Mon, 18 May
Scandinavian Airlines Logo
19:50 - 18:35LHR-MIA
27h 45m2 stops
Scandinavian Airlines Logo
20:40 - 16:00MIA-LHR
14h 20m1 stop
£430Scandinavian Airlines
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Sun, 11 Jan - Fri, 30 Jan
Scandinavian Airlines Logo
07:05 - 18:35LHR-MIA
16h 30m2 stops
Scandinavian Airlines Logo
20:40 - 18:30MIA-LHR
16h 50m1 stop
£431Scandinavian Airlines
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Fri, 23 Jan - Mon, 26 Jan
Lufthansa Logo
09:50 - 16:00LCY-EWR
11h 10m1 stop
Lufthansa Logo
18:05 - 09:15EWR-LCY
10h 10m1 stop
£443Lufthansa
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Tue, 13 Jan - Tue, 20 Jan
Lufthansa Logo
09:50 - 16:00LCY-EWR
11h 10m1 stop
Lufthansa Logo
18:05 - 09:15EWR-LCY
10h 10m1 stop
£444Lufthansa
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Tue, 20 Jan - Tue, 27 Jan

Air France flights from London to United States

Our best Air France deals on London to United States flight tickets
Air France
14 Mar
LHR11:30London Heathrow
14h 00m
1 stop
MIA21:30Miami
25 Mar
MIA18:10Miami
8h 50m
LHR07:00London Heathrow
£457
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Air France
21 Nov
LCY09:20London City
11h 25m
1 stop
JFK15:45New York John F Kennedy Intl
26 Nov
JFK17:45New York John F Kennedy Intl
10h 05m
1 stop
LCY08:50London City
£621
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Delta flights from London to United States

Our best Delta deals on London to United States flight tickets
Delta
28 Feb
LHR14:00London Heathrow
10h 25m
MIA19:25Miami
2 Mar
MIA17:36Miami
11h 39m
1 stop
LHR10:15London Heathrow
£436
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Delta
20 Feb
LHR10:45London Heathrow
14h 59m
1 stop
MIA20:44Miami
2 Mar
MIA15:37Miami
11h 28m
1 stop
LHR08:05London Heathrow
£440
Find similar
Delta
9 Apr
LHR13:45London Heathrow
10h 00m
MIA18:45Miami
23 Apr
MIA12:05Miami
13h 40m
1 stop
LHR06:45London Heathrow
£448
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momondo Fare Finder

 
Customise your flight search to find flights from London to United States that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 14 November 2025.
Use the filters below to find and compare flights from London to the United States that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonNew York

LGW - JFK

LGWJFK

London Gatwick

Sun 18/1

13:00-15:55

Nonstop7h 55m

New York John F Kennedy Intl

Tue 27/1

18:05-06:00

Nonstop6h 55m

£334

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Thu 15/1

20:35-18:00

1 stop26h 25m

New York John F Kennedy Intl

Thu 22/1

19:25-19:30

1 stop19h 05m

£334

LondonNewark

LGW - EWR

LGWEWR

London Gatwick

Mon 12/1

11:00-22:05

1 stop16h 05m

Newark

Fri 16/1

00:25-08:20

1 stop26h 55m

£344

LondonNewark

LGW - EWR

LGWEWR

London Gatwick

Sat 31/1

10:10-22:00

1 stop16h 50m

Newark

Mon 2/2

00:15-20:35

1 stop15h 20m

£345

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Thu 5/3

06:30-14:50

1 stop13h 20m

Miami

Fri 13/3

17:55-09:00

1 stop11h 05m

£429

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Mon 4/5

19:15-14:55

1 stop24h 40m

Miami

Mon 18/5

07:00-08:50

1 stop20h 50m

£429

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Sun 11/1

19:50-18:35

2 stops27h 45m

Miami

Fri 30/1

20:40-16:00

1 stop14h 20m

£430

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Fri 23/1

07:05-18:35

2 stops16h 30m

Miami

Mon 26/1

20:40-18:30

1 stop16h 50m

£431

LondonNewark

LCY - EWR

LCYEWR

London City

Tue 13/1

09:50-16:00

1 stop11h 10m

Newark

Tue 20/1

18:05-09:15

1 stop10h 10m

£443

LondonNewark

LCY - EWR

LCYEWR

London City

Tue 20/1

09:50-16:00

1 stop11h 10m

Newark

Tue 27/1

18:05-09:15

1 stop10h 10m

£444

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to the United States from

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

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 £364. 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 £371.

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 £482. 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 £550.

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 morning. Flights from London to United States during this time can be as low as £493. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are £612 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 £449 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 £404 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

£219

Fastest flight time

7h 44m

Direct flights

Every day

Airports in United States

2 airports
The best one-way flight to United States from London in the past 72 hours is £219. The best return flight deal from London to United States found on momondo in the last 72 hours is £253.
The fastest flight from London to United States takes 7h 44m
Direct flights go from London to United States every day.
There are 2 airports near United States: Newark (EWR), New York John F Kennedy Intl (JFK)
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  • 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?

  • 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?

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
JetBluePriceFrom £92Free CancellationRating
7.2
2,906 reviews
Search JetBlue flights
DeltaPriceFrom £242Free CancellationRating
7.9
8,008 reviews
Search Delta flights
PLAYPriceFrom £273Free CancellationRating
7.0
103 reviews
Search PLAY flights
TAP AIR PORTUGALPriceFrom £288Free CancellationRating
7.1
2,059 reviews
Search TAP AIR PORTUGAL flights
Air CanadaPriceFrom £291Free CancellationRating
7.1
10,450 reviews
Search Air Canada flights
SWISSPriceFrom £298Free CancellationRating
7.5
1,784 reviews
Search SWISS flights
United AirlinesPriceFrom £301Free CancellationRating
7.4
9,017 reviews
Search United Airlines flights
IcelandairPriceFrom £304Free CancellationRating
7.1
578 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom £305Free CancellationRating
7.4
1,575 reviews
Search Scandinavian Airlines flights
Aer LingusPriceFrom £309Free CancellationRating
7.2
1,370 reviews
Search Aer Lingus 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

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Find better results for your trip to the United States

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