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Cheap flights from London to the United States from $363

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 3/24. 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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Multiple Airlines Logo
2:00 pm - 10:03 amLGW-JFK
25h 03m1 stop
Multiple Airlines Logo
6:05 pm - 6:00 amJFK-LGW
6h 55mnonstop
$444Multiple Airlines
Find Deal
Mon, Jan 12 - Mon, Jan 19
Multiple Airlines Logo
9:40 am - 3:45 pmLGW-JFK
35h 05m2 stops
Multiple Airlines Logo
5:35 pm - 7:30 pmJFK-LGW
20h 55m2 stops
$446Multiple Airlines
Find Deal
Mon, Jan 12 - Tue, Jan 20
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
$447Norse Atlantic UK
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Fri, Feb 6 - Mon, Feb 16
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
$448Norse Atlantic UK
Find Deal
Fri, Jan 30 - Tue, Feb 3
Multiple Airlines Logo
2:00 pm - 10:03 amLGW-JFK
25h 03m1 stop
Multiple Airlines Logo
6:05 pm - 6:00 amJFK-LGW
6h 55mnonstop
$449Multiple Airlines
Find Deal
Mon, Jan 12 - Tue, Jan 20
Icelandair Logo
8:35 pm - 6:00 pmLHR-JFK
26h 25m1 stop
Icelandair Logo
7:25 pm - 10:50 amJFK-LHR
10h 25m1 stop
$450Icelandair
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Tue, Jan 20 - Sat, Jan 31
Icelandair Logo
8:35 pm - 6:00 pmLHR-JFK
26h 25m1 stop
Icelandair Logo
7:25 pm - 10:50 amJFK-LHR
10h 25m1 stop
$451Icelandair
Find Deal
Tue, Jan 13 - Sat, Jan 17
TAP AIR PORTUGAL Logo
11:00 am - 10:05 pmLGW-EWR
16h 05m1 stop
TAP AIR PORTUGAL Logo
1:35 am - 10:05 amEWR-LGW
27h 30m1 stop
$458TAP AIR PORTUGAL
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Mon, Feb 23 - Sat, Feb 28
TAP AIR PORTUGAL Logo
10:10 am - 10:00 pmLGW-EWR
16h 50m1 stop
TAP AIR PORTUGAL Logo
1:35 am - 8:40 pmEWR-LGW
14h 05m1 stop
$459TAP AIR PORTUGAL
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Thu, Jan 15 - Sat, Jan 17
SWISS Logo
9:20 am - 5:40 pmLCY-JFK
12h 20m1 stop
SWISS Logo
5:25 pm - 8:40 amJFK-LCY
11h 15m1 stop
$538SWISS
Find Deal
Wed, Mar 11 - Wed, Mar 18

TAP AIR PORTUGAL flights from London to United States

Our best TAP AIR PORTUGAL deals on London to United States flight tickets
TAP AIR PORTUGAL
Feb 23
LGW11:00 amLondon Gatwick
16h 05m
1 stop
EWR10:05 pmNewark
Feb 28
EWR1:35 amNewark
27h 30m
1 stop
LGW10:05 amLondon Gatwick
$458
Find similar
TAP AIR PORTUGAL
Jan 15
LGW10:10 amLondon Gatwick
16h 50m
1 stop
EWR10:00 pmNewark
Jan 17
EWR1:35 amNewark
14h 05m
1 stop
LGW8:40 pmLondon Gatwick
$459
Find similar
TAP AIR PORTUGAL
Jan 12
LGW9:25 pmLondon Gatwick
29h 40m
1 stop
EWR10:05 pmNewark
Jan 19
EWR12:15 amNewark
15h 20m
1 stop
LGW8:35 pmLondon Gatwick
$460
Find similar

Virgin Atlantic flights from London to United States

Our best Virgin Atlantic deals on London to United States flight tickets
Virgin Atlantic
Mar 11
LHR11:45 amLondon Heathrow
12h 35m
1 stop
JFK8:20 pmNew York John F Kennedy Intl
Mar 18
JFK8:01 pmNew York John F Kennedy Intl
6h 54m
LHR6:55 amLondon Heathrow
$497
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Virgin Atlantic
Mar 2
LHR8:55 amLondon Heathrow
16h 33m
2 stops
LGA8:28 pmNew York LaGuardia
Mar 10
LGA4:00 pmNew York LaGuardia
11h 50m
1 stop
LHR7:50 amLondon Heathrow
$592
Find similar
Virgin Atlantic
Nov 26
LCY9:20 amLondon City
11h 25m
1 stop
JFK3:45 pmNew York John F Kennedy Intl
Nov 27
JFK5:45 pmNew York John F Kennedy Intl
9h 25m
1 stop
LCY8:10 amLondon City
$815
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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 19, 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 1/12

2:00 pm-10:03 am

1 stop25h 03m

New York John F Kennedy Intl

Mon 1/19

6:05 pm-6:00 am

Nonstop6h 55m

$444

LondonNew York

LGW - JFK

LGWJFK

London Gatwick

Mon 1/12

9:40 am-3:45 pm

2 stops35h 05m

New York John F Kennedy Intl

Tue 1/20

5:35 pm-7:30 pm

2 stops20h 55m

$446

LondonNew York

LGW - JFK

LGWJFK

London Gatwick

Fri 2/6

1:00 pm-3:55 pm

Nonstop7h 55m

New York John F Kennedy Intl

Mon 2/16

6:05 pm-6:00 am

Nonstop6h 55m

$447

LondonNew York

LGW - JFK

LGWJFK

London Gatwick

Fri 1/30

1:00 pm-3:55 pm

Nonstop7h 55m

New York John F Kennedy Intl

Tue 2/3

6:05 pm-6:00 am

Nonstop6h 55m

$448

LondonNew York

LGW - JFK

LGWJFK

London Gatwick

Mon 1/12

2:00 pm-10:03 am

1 stop25h 03m

New York John F Kennedy Intl

Tue 1/20

6:05 pm-6:00 am

Nonstop6h 55m

$449

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Tue 1/20

8:35 pm-6:00 pm

1 stop26h 25m

New York John F Kennedy Intl

Sat 1/31

7:25 pm-10:50 am

1 stop10h 25m

$450

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Tue 1/13

8:35 pm-6:00 pm

1 stop26h 25m

New York John F Kennedy Intl

Sat 1/17

7:25 pm-10:50 am

1 stop10h 25m

$451

LondonNewark

LGW - EWR

LGWEWR

London Gatwick

Mon 2/23

11:00 am-10:05 pm

1 stop16h 05m

Newark

Sat 2/28

1:35 am-10:05 am

1 stop27h 30m

$458

LondonNewark

LGW - EWR

LGWEWR

London Gatwick

Thu 1/15

10:10 am-10:00 pm

1 stop16h 50m

Newark

Sat 1/17

1:35 am-8:40 pm

1 stop14h 05m

$459

LondonNew York

LCY - JFK

LCYJFK

London City

Wed 3/11

9:20 am-5:40 pm

1 stop12h 20m

New York John F Kennedy Intl

Wed 3/18

5:25 pm-8:40 am

1 stop11h 15m

$538

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 $479. 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 $488.

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 $688. 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 $609. 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 $592 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 $532 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 45m

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 $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 45m
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 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
2,903 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
1,334 reviews
Search Finnair flights
TAP AIR PORTUGALPriceFrom $384Free CancellationRating
7.1
2,067 reviews
Search TAP AIR PORTUGAL flights
United AirlinesPriceFrom $401Free CancellationRating
7.4
9,025 reviews
Search United Airlines flights
Aer LingusPriceFrom $412Free CancellationRating
7.2
1,377 reviews
Search Aer Lingus flights
IcelandairPriceFrom $414Free CancellationRating
7.0
581 reviews
Search Icelandair flights
SWISSPriceFrom $436Free CancellationRating
7.5
1,788 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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