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Cheap flights from London to the United States from £245

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 12/10. 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

Norse Atlantic UK Logo
13:00 - 15:55LGW-JFK
7h 55mdirect
Norse Atlantic UK Logo
18:05 - 06:00JFK-LGW
6h 55mdirect
£306Norse Atlantic UK
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Mon, 3 Nov - Mon, 10 Nov
Multiple Airlines Logo
14:45 - 15:45STN-JFK
30h 00m2 stops
Multiple Airlines Logo
17:35 - 18:20JFK-STN
19h 45m2 stops
£306Multiple Airlines
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Tue, 11 Nov - Mon, 24 Nov
Icelandair Logo
11:55 - 18:00LGW-JFK
11h 05m1 stop
Icelandair Logo
19:25 - 10:55JFK-LGW
10h 30m1 stop
£308Icelandair
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Mon, 3 Nov - Mon, 10 Nov
British Airways Logo
15:05 - 18:05LGW-JFK
8h 00mdirect
British Airways Logo
20:05 - 08:10JFK-LGW
7h 05mdirect
£308British Airways
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Thu, 2 Oct - Mon, 6 Oct
British Airways Logo
15:05 - 18:05LGW-JFK
8h 00mdirect
British Airways Logo
20:05 - 08:10JFK-LGW
7h 05mdirect
£311British Airways
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Thu, 2 Oct - Mon, 6 Oct
Virgin Atlantic Logo
08:40 - 20:20LHR-JFK
15h 40m1 stop
Virgin Atlantic Logo
20:00 - 08:05JFK-LHR
7h 05mdirect
£314Virgin Atlantic
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Fri, 31 Oct - Fri, 7 Nov
Virgin Atlantic Logo
06:30 - 15:25LHR-JFK
13h 55m1 stop
Virgin Atlantic Logo
18:00 - 06:25JFK-LHR
7h 25mdirect
£316Virgin Atlantic
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Thu, 9 Oct - Mon, 13 Oct
Icelandair Logo
11:55 - 18:00LGW-JFK
11h 05m1 stop
Icelandair Logo
19:25 - 10:55JFK-LGW
10h 30m1 stop
£317Icelandair
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Wed, 5 Nov - Thu, 13 Nov
Lufthansa Logo
14:05 - 19:37LHR-LGA
10h 32m1 stop
Lufthansa Logo
15:30 - 06:30LGA-LHR
10h 00m1 stop
£329Lufthansa
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Fri, 17 Oct - Fri, 24 Oct
Lufthansa Logo
09:50 - 20:10LCY-JFK
15h 20m1 stop
Lufthansa Logo
21:55 - 16:40JFK-LCY
13h 45m1 stop
£336Lufthansa
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Mon, 3 Nov - Mon, 10 Nov

Icelandair flights from London to United States

Our best Icelandair deals on London to United States flight tickets
Icelandair
3 Nov
LGW11:55London Gatwick
11h 05m
1 stop
JFK18:00New York John F Kennedy Intl
10 Nov
JFK19:25New York John F Kennedy Intl
10h 30m
1 stop
LGW10:55London Gatwick
£308
Find similar
Icelandair
5 Nov
LGW11:55London Gatwick
11h 05m
1 stop
JFK18:00New York John F Kennedy Intl
13 Nov
JFK19:25New York John F Kennedy Intl
10h 30m
1 stop
LGW10:55London Gatwick
£317
Find similar
Icelandair
5 Nov
LHR12:15London Heathrow
10h 45m
1 stop
JFK18:00New York John F Kennedy Intl
16 Nov
JFK19:25New York John F Kennedy Intl
10h 25m
1 stop
LHR10:50London Heathrow
£319
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Aer Lingus flights from London to United States

Our best Aer Lingus deals on London to United States flight tickets
Aer Lingus
15 Oct
LHR09:50London Heathrow
12h 00m
1 stop
JFK16:50New York John F Kennedy Intl
22 Oct
JFK18:25New York John F Kennedy Intl
9h 40m
1 stop
LHR09:05London Heathrow
£308
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Aer Lingus
3 Nov
LHR10:00London Heathrow
11h 25m
1 stop
JFK16:25New York John F Kennedy Intl
10 Nov
JFK18:30New York John F Kennedy Intl
9h 45m
1 stop
LHR09:15London Heathrow
£311
Find similar
Aer Lingus
9 Oct
LHR13:25London Heathrow
10h 55m
1 stop
JFK19:20New York John F Kennedy Intl
16 Oct
JFK18:25New York John F Kennedy Intl
9h 40m
1 stop
LHR09:05London Heathrow
£313
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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 18 September 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

Mon 3/11

13:00-15:55

Nonstop7h 55m

New York John F Kennedy Intl

Mon 10/11

18:05-06:00

Nonstop6h 55m

£306

LondonNew York

STN - JFK

STNJFK

London Stansted

Tue 11/11

14:45-15:45

2 stops30h 00m

New York John F Kennedy Intl

Mon 24/11

17:35-18:20

2 stops19h 45m

£306

LondonNew York

LGW - JFK

LGWJFK

London Gatwick

Mon 3/11

11:55-18:00

1 stop11h 05m

New York John F Kennedy Intl

Mon 10/11

19:25-10:55

1 stop10h 30m

£308

LondonNew York

LGW - JFK

LGWJFK

London Gatwick

Thu 2/10

15:05-18:05

Nonstop8h 00m

New York John F Kennedy Intl

Mon 6/10

20:05-08:10

Nonstop7h 05m

£308

LondonNew York

LGW - JFK

LGWJFK

London Gatwick

Thu 2/10

15:05-18:05

Nonstop8h 00m

New York John F Kennedy Intl

Mon 6/10

20:05-08:10

Nonstop7h 05m

£311

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Fri 31/10

08:40-20:20

1 stop15h 40m

New York John F Kennedy Intl

Fri 7/11

20:00-08:05

Nonstop7h 05m

£314

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Thu 9/10

06:30-15:25

1 stop13h 55m

New York John F Kennedy Intl

Mon 13/10

18:00-06:25

Nonstop7h 25m

£316

LondonNew York

LGW - JFK

LGWJFK

London Gatwick

Wed 5/11

11:55-18:00

1 stop11h 05m

New York John F Kennedy Intl

Thu 13/11

19:25-10:55

1 stop10h 30m

£317

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Fri 17/10

14:05-19:37

1 stop10h 32m

New York LaGuardia

Fri 24/10

15:30-06:30

1 stop10h 00m

£329

LondonNew York

LCY - JFK

LCYJFK

London City

Mon 3/11

09:50-20:10

1 stop15h 20m

New York John F Kennedy Intl

Mon 10/11

21:55-16:40

1 stop13h 45m

£336

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 £352. 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 £355.

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

According to our data, Wednesday is the cheapest day to fly to United States from London. The lowest ticket price found for a Wednesday departure recently was £457. 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 £534.

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 £473. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are £595 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 Miami 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 £431 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 £390 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

£188

Fastest flight time

7h 45m

Direct flights

Wed, Thu, Fri, Sat and Sun

Airports in United States

2 airports
The best one-way flight to United States from London in the past 72 hours is £188. The best return flight deal from London to United States found on momondo in the last 72 hours is £201.
The fastest flight from London to United States takes 7h 45m
Direct flights go from London to United States on Wednesday, Thursday, Friday, Saturday and Sunday. Airlines offering direct flights are: United Airlines, Finnair and American Airlines.
There are 2 airports near United States: 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?

  • 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
Turkish AirlinesPriceFrom £7Free CancellationRating
7.3
3,965 reviews
Search Turkish Airlines flights
Aer LingusPriceFrom £7Free CancellationRating
7.2
1,277 reviews
Search Aer Lingus flights
JetBluePriceFrom £89Free CancellationRating
7.2
2,914 reviews
Search JetBlue flights
DeltaPriceFrom £234Free CancellationRating
7.9
7,961 reviews
Search Delta flights
PLAYPriceFrom £246Free CancellationRating
7.0
103 reviews
Search PLAY flights
TAP AIR PORTUGALPriceFrom £276Free CancellationRating
7.1
1,977 reviews
Search TAP AIR PORTUGAL flights
Austrian AirlinesPriceFrom £284Free CancellationRating
7.6
850 reviews
Search Austrian Airlines flights
SWISSPriceFrom £287Free CancellationRating
7.6
1,737 reviews
Search SWISS flights
United AirlinesPriceFrom £291Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
IcelandairPriceFrom £292Free CancellationRating
7.0
545 reviews
Search Icelandair 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.
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