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Cheap flights from London to the United States from $346

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 11/26. 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 round-trip flights

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Norse Atlantic UK Logo
1:00 pm - 3:55 pmLGW-JFK
7h 55mnonstop
Norse Atlantic UK Logo
6:05 pm - 6:00 amJFK-LGW
6h 55mnonstop
$429Norse Atlantic UK
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Tue, Jan 20 - Mon, Feb 2
Norse Atlantic UK Logo
1:05 pm - 3:55 pmLGW-JFK
7h 50mnonstop
Norse Atlantic UK Logo
6:20 pm - 6:20 amJFK-LGW
7h 00mnonstop
$430Norse Atlantic UK
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Sun, Apr 26 - Sun, May 3
Multiple Airlines Logo
1:00 pm - 3:55 pmLGW-JFK
7h 55mnonstop
Multiple Airlines Logo
10:00 pm - 3:45 pmJFK-LGW
12h 45m1 stop
$431Multiple Airlines
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Tue, Feb 10 - Tue, Feb 17
British Airways Logo
6:00 pm - 9:05 pmLHR-JFK
8h 05mnonstop
British Airways Logo
9:50 pm - 9:40 amJFK-LHR
6h 50mnonstop
$511British Airways
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Wed, Dec 3 - Wed, Dec 10
American Airlines Logo
11:20 am - 11:37 pmLGW-LGA
17h 17m2 stops
American Airlines Logo
11:30 am - 9:00 amLGA-LGW
16h 30m2 stops
$553American Airlines
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Wed, Dec 3 - Wed, Dec 10
Finnair Logo
11:45 am - 7:47 pmLHR-LGA
13h 02m1 stop
Finnair Logo
7:00 pm - 12:00 pmLGA-LHR
12h 00m1 stop
$557Finnair
Find Deal
Tue, Dec 2 - Tue, Dec 9
Finnair Logo
11:45 am - 7:51 pmLHR-LGA
13h 06m1 stop
Finnair Logo
2:17 pm - 10:25 amLGA-LHR
15h 08m1 stop
$558Finnair
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Wed, Dec 3 - Thu, Dec 11
United Airlines Logo
10:30 am - 7:03 pmLHR-LGA
37h 33m2 stops
United Airlines Logo
2:15 pm - 11:15 amLGA-LHR
16h 00m1 stop
$570United Airlines
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Mon, Dec 1 - Mon, Dec 8
United Airlines Logo
1:25 pm - 9:33 pmLHR-LGA
13h 08m1 stop
United Airlines Logo
7:29 pm - 10:50 amLGA-LHR
10h 21m1 stop
$575United Airlines
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Wed, Dec 3 - Wed, Dec 10
British Airways Logo
1:30 pm - 8:24 pmLHR-LGA
11h 54m1 stop
British Airways Logo
4:00 pm - 6:30 amLGA-LHR
9h 30m1 stop
$578British Airways
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Tue, Nov 18 - Wed, Dec 10

LEVEL flights from London to United States

Our best LEVEL deals on London to United States flight tickets
LEVEL
Jan 14
LHR9:55 amLondon Heathrow
17h 05m
1 stop
JFK10:00 pmNew York John F Kennedy Intl
Jan 20
JFK11:45 pmNew York John F Kennedy Intl
28h 25m
1 stop
LHR9:10 amLondon Heathrow
$479
Find similar
LEVEL
Jan 12
LHR6:50 pmLondon Heathrow
32h 10m
1 stop
JFK10:00 pmNew York John F Kennedy Intl
Jan 24
JFK11:45 pmNew York John F Kennedy Intl
28h 25m
1 stop
LHR9:10 amLondon Heathrow
$480
Find similar

British Airways flights from London to United States

Our best British Airways deals on London to United States flight tickets
British Airways
Dec 3
LHR6:00 pmLondon Heathrow
8h 05m
JFK9:05 pmNew York John F Kennedy Intl
Dec 10
JFK9:50 pmNew York John F Kennedy Intl
6h 50m
LHR9:40 amLondon Heathrow
$511
Find similar
British Airways
Nov 18
LHR1:30 pmLondon Heathrow
11h 54m
1 stop
LGA8:24 pmNew York LaGuardia
Dec 10
LGA4:00 pmNew York LaGuardia
9h 30m
1 stop
LHR6:30 amLondon Heathrow
$578
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momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated November 4, 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

Tue 1/20

1:00 pm-3:55 pm

Nonstop7h 55m

New York John F Kennedy Intl

Mon 2/2

6:05 pm-6:00 am

Nonstop6h 55m

$429

LondonNew York

LGW - JFK

LGWJFK

London Gatwick

Sun 4/26

1:05 pm-3:55 pm

Nonstop7h 50m

New York John F Kennedy Intl

Sun 5/3

6:20 pm-6:20 am

Nonstop7h 00m

$430

LondonNew York

LGW - JFK

LGWJFK

London Gatwick

Tue 2/10

1:00 pm-3:55 pm

Nonstop7h 55m

New York John F Kennedy Intl

Tue 2/17

10:00 pm-3:45 pm

1 stop12h 45m

$431

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Wed 12/3

6:00 pm-9:05 pm

Nonstop8h 05m

New York John F Kennedy Intl

Wed 12/10

9:50 pm-9:40 am

Nonstop6h 50m

$511

LondonNew York

LGW - LGA

LGWLGA

London Gatwick

Wed 12/3

11:20 am-11:37 pm

2 stops17h 17m

New York LaGuardia

Wed 12/10

11:30 am-9:00 am

2 stops16h 30m

$553

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Tue 12/2

11:45 am-7:47 pm

1 stop13h 02m

New York LaGuardia

Tue 12/9

7:00 pm-12:00 pm

1 stop12h 00m

$557

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Wed 12/3

11:45 am-7:51 pm

1 stop13h 06m

New York LaGuardia

Thu 12/11

2:17 pm-10:25 am

1 stop15h 08m

$558

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Mon 12/1

10:30 am-7:03 pm

2 stops37h 33m

New York LaGuardia

Mon 12/8

2:15 pm-11:15 am

1 stop16h 00m

$570

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Wed 12/3

1:25 pm-9:33 pm

1 stop13h 08m

New York LaGuardia

Wed 12/10

7:29 pm-10:50 am

1 stop10h 21m

$575

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Tue 11/18

1:30 pm-8:24 pm

1 stop11h 54m

New York LaGuardia

Wed 12/10

4:00 pm-6:30 am

1 stop9h 30m

$578

Flights are sorted by cheapest round-trip 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?

In general, September is the cheapest month to fly from London to United States. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $478. If you aren’t able to travel during the month of September, then book flights to United States from London during March instead. Flights to United States in March, while not as cheap as those in September, still average around $486.

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 $565. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $689. These prices are subject to change though, so be sure to set up a Price Alert for flights to United States.

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

The cheapest time of day to fly to United States is at noon when flights can be purchased for as low as $612. Try not to purchase tickets in the evening because they tend to be around $654. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 $597 when searching weeks out. 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 $543 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

$286

Fastest flight time

7h 44m

Direct flights

Mon, Tue, Wed, Thu, 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 $286. The best round-trip flight deal from London to United States found on momondo in the last 72 hours is $391.
The fastest flight from London to United States takes 7h 44m
Direct flights go from London to United States on Monday, Tuesday, Wednesday, Thursday, Saturday and Sunday. Airlines offering direct flights are: Delta, Finnair and JetBlue.
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 were last updated today.

  • 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?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 required travel and health documents for your United States trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at United States. We recommend that you seek guidance from your airline or a reliable 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 $83Free CancellationRating
7.2
2,908 reviews
Search JetBlue flights
Norse Atlantic UKPriceFrom $312Free CancellationRating
7.2
51 reviews
Search Norse Atlantic UK flights
PLAYPriceFrom $352Free CancellationRating
7.0
103 reviews
Search PLAY flights
DeltaPriceFrom $355Free CancellationRating
7.9
8,004 reviews
Search Delta flights
FinnairPriceFrom $382Free CancellationRating
7.6
1,335 reviews
Search Finnair flights
TAP AIR PORTUGALPriceFrom $384Free CancellationRating
7.1
2,046 reviews
Search TAP AIR PORTUGAL flights
United AirlinesPriceFrom $401Free CancellationRating
7.4
9,001 reviews
Search United Airlines flights
Aer LingusPriceFrom $412Free CancellationRating
7.2
1,365 reviews
Search Aer Lingus flights
IcelandairPriceFrom $414Free CancellationRating
7.1
571 reviews
Search Icelandair flights
SWISSPriceFrom $436Free CancellationRating
7.5
1,777 reviews
Search SWISS flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to United States. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. All flights to United States from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between London and United States by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from London to United States now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to United States and let you know when they change.

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