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Cheap flights from the United States to London from $147

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to London departing on 1/13. 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 the United States to London

Recent round-trip flight deals from the United States to London

Enter your travel dates to find the best prices.
TAP AIR PORTUGAL Logo
10:00 pm - 3:50 pmJFK-LGW
12h 50m1 stop
TAP AIR PORTUGAL Logo
10:40 am - 8:05 pmLGW-JFK
14h 25m1 stop
$487TAP AIR PORTUGAL
Find Deal
qui, jan 8 - qua, jan 14
Multiple Airlines Logo
5:35 pm - 2:20 pmLGA-LGW
15h 45m2 stops
Multiple Airlines Logo
8:30 am - 9:53 amLGW-LGA
30h 23m2 stops
$488Multiple Airlines
Find Deal
seg, dez 8 - qui, dez 11
Iberia Logo
9:50 pm - 9:40 amJFK-LHR
6h 50mnonstop
Iberia Logo
11:25 am - 7:15 pmLHR-JFK
12h 50m1 stop
$490Iberia
Find Deal
sáb, jan 24 - sáb, jan 31
American Airlines Logo
11:30 am - 9:00 amLGA-LGW
16h 30m2 stops
American Airlines Logo
11:20 am - 11:37 pmLGW-LGA
17h 17m2 stops
$490American Airlines
Find Deal
qui, dez 4 - seg, dez 8
Iberia Logo
9:50 pm - 9:40 amJFK-LHR
6h 50mnonstop
Iberia Logo
11:25 am - 7:15 pmLHR-JFK
12h 50m1 stop
$492Iberia
Find Deal
qua, dez 3 - qui, dez 11
American Airlines Logo
2:30 pm - 7:00 amJFK-LHR
11h 30m1 stop
American Airlines Logo
6:15 am - 1:15 pmLHR-JFK
12h 00m1 stop
$497American Airlines
Find Deal
qua, dez 3 - qua, dez 10
United Airlines Logo
6:00 am - 10:50 amLGA-LHR
23h 50m1 stop
United Airlines Logo
1:25 pm - 2:42 pmLHR-LGA
30h 17m1 stop
$499United Airlines
Find Deal
sex, dez 5 - dom, dez 7
United Airlines Logo
6:55 am - 7:10 amEWR-LHR
19h 15m1 stop
United Airlines Logo
6:50 am - 1:30 pmLHR-EWR
11h 40m1 stop
$502United Airlines
Find Deal
ter, nov 18 - qui, dez 4
Delta Logo
11:55 pm - 11:25 amBOS-LHR
6h 30mnonstop
Delta Logo
6:20 am - 1:40 pmLHR-BOS
12h 20m1 stop
$505Delta
Find Deal
qua, nov 19 - dom, nov 23
Delta Logo
8:00 pm - 7:50 amBOS-LHR
6h 50mnonstop
Delta Logo
6:30 am - 6:55 pmLHR-BOS
17h 25m1 stop
$506Delta
Find Deal
qua, dez 3 - seg, dez 15

Air Canada flights from United States to London

Our best Air Canada deals on United States to London flight tickets
Air Canada
Nov 18
LGA3:20 pmNew York LaGuardia
10h 50m
1 stop
LHR7:10 amLondon Heathrow
Dec 9
LHR1:25 pmLondon Heathrow
10h 37m
1 stop
LGA7:02 pmNew York LaGuardia
$489
Find similar
Air Canada
Nov 17
LGA3:20 pmNew York LaGuardia
10h 50m
1 stop
LHR7:10 amLondon Heathrow
Nov 25
LHR1:25 pmLondon Heathrow
10h 38m
1 stop
LGA7:03 pmNew York LaGuardia
$490
Find similar
Air Canada
Nov 26
LGA3:20 pmNew York LaGuardia
10h 50m
1 stop
LHR7:10 amLondon Heathrow
Dec 8
LHR1:25 pmLondon Heathrow
10h 37m
1 stop
LGA7:02 pmNew York LaGuardia
$494
Find similar

Finnair flights from United States to London

Our best Finnair deals on United States to London flight tickets
Finnair
Jan 24
JFK6:25 pmNew York John F Kennedy Intl
6h 55m
LHR6:20 amLondon Heathrow
Jan 31
LHR10:20 amLondon Heathrow
13h 45m
1 stop
JFK7:05 pmNew York John F Kennedy Intl
$490
Find similar
Finnair
Jan 10
JFK9:35 pmNew York John F Kennedy Intl
7h 00m
LHR9:35 amLondon Heathrow
Jan 17
LHR10:20 amLondon Heathrow
13h 45m
1 stop
JFK7:05 pmNew York John F Kennedy Intl
$491
Find similar
Finnair
Nov 19
BOS7:25 pmBoston Logan Intl
6h 35m
LHR7:00 amLondon Heathrow
Nov 23
LHR1:30 pmLondon Heathrow
7h 40m
BOS4:10 pmBoston Logan Intl
$512
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from United States to London 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 novembro 13, 2025.
Use the filters below to find and compare flights from the United States to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

qui 1/8

10:00 pm-3:50 pm

1 stop12h 50m

London Gatwick

qua 1/14

10:40 am-8:05 pm

1 stop14h 25m

$487

New YorkLondon

LGA - LGW

LGALGW

New York LaGuardia

seg 12/8

5:35 pm-2:20 pm

2 stops15h 45m

London Gatwick

qui 12/11

8:30 am-9:53 am

2 stops30h 23m

$488

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

sáb 1/24

9:50 pm-9:40 am

Nonstop6h 50m

London Heathrow

sáb 1/31

11:25 am-7:15 pm

1 stop12h 50m

$490

New YorkLondon

LGA - LGW

LGALGW

New York LaGuardia

qui 12/4

11:30 am-9:00 am

2 stops16h 30m

London Gatwick

seg 12/8

11:20 am-11:37 pm

2 stops17h 17m

$490

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

qua 12/3

9:50 pm-9:40 am

Nonstop6h 50m

London Heathrow

qui 12/11

11:25 am-7:15 pm

1 stop12h 50m

$492

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

qua 12/3

2:30 pm-7:00 am

1 stop11h 30m

London Heathrow

qua 12/10

6:15 am-1:15 pm

1 stop12h 00m

$497

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

sex 12/5

6:00 am-10:50 am

1 stop23h 50m

London Heathrow

dom 12/7

1:25 pm-2:42 pm

1 stop30h 17m

$499

NewarkLondon

EWR - LHR

EWRLHR

Newark

ter 11/18

6:55 am-7:10 am

1 stop19h 15m

London Heathrow

qui 12/4

6:50 am-1:30 pm

1 stop11h 40m

$502

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

qua 11/19

11:55 pm-11:25 am

Nonstop6h 30m

London Heathrow

dom 11/23

6:20 am-1:40 pm

1 stop12h 20m

$505

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

qua 12/3

8:00 pm-7:50 am

Nonstop6h 50m

London Heathrow

seg 12/15

6:30 am-6:55 pm

1 stop17h 25m

$506

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 London from

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

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 London?

The cheapest month to fly to London from United States is in January. Flight prices, which tend to average around $414, are often lower during this time because this is during the off-season. The month of September is another great option to travel to London, with average flight prices from United States averaging around $506.

What is the cheapest day to depart on your flight to London?

The cheapest day to depart from United States to London is on a Tuesday. Travelers who choose to depart for London on a Tuesday will often find tickets for as low as $633. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $675. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

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

Flying to London from United States at noon is the least expensive time of day to depart. momondo users have found prices as low as $500 when looking at flights departing at noon. Flights to London are more costly in the evening, with an average ticket price of $673. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest United States to London flight route?

Fly from New York John F Kennedy Intl to London Gatwick for the best United States - London flight prices

How far in advance should I book a flight to London?

You are more likely to see cheaper flights to London from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $610 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from United States for as low as $570 on momondo.

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

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

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

Cheap United States to London flight deals and tips

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

Best Price Found

$99

Fastest flight time

6h 30m

Direct flights

Every day

Airports in London

1 airport
The best one-way flight to London from United States in the past 72 hours is $99. The best round-trip flight deal from United States to London found on momondo in the last 72 hours is $401.
The fastest flight from United States to London takes 6h 30m
Direct flights go from United States to London every day.
There is 1 airport near London: London Heathrow (LHR)
Search flight deals

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United States to London.

  • What documentation or ID do you need to fly to London?

    The necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from United States to London

Compare and see reviews for airlines that fly from United States to London with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $45Free CancellationRating
7.2
2,906 reviews
Search JetBlue flights
Scandinavian AirlinesPriceFrom $213Free CancellationRating
7.4
1,575 reviews
Search Scandinavian Airlines flights
WestJetPriceFrom $272Free CancellationRating
7.2
3,159 reviews
Search WestJet flights
SWISSPriceFrom $290Free CancellationRating
7.5
1,784 reviews
Search SWISS flights
TAP AIR PORTUGALPriceFrom $293Free CancellationRating
7.1
2,059 reviews
Search TAP AIR PORTUGAL flights
Norse Atlantic UKPriceFrom $349Free CancellationRating
7.2
51 reviews
Search Norse Atlantic UK flights
PLAYPriceFrom $380Free CancellationRating
7.0
103 reviews
Search PLAY flights
Air CanadaPriceFrom $382Free CancellationRating
7.1
10,444 reviews
Search Air Canada flights
KLMPriceFrom $387Free CancellationRating
7.7
1,410 reviews
Search KLM flights
Air FrancePriceFrom $391Free CancellationRating
7.4
1,486 reviews
Search Air France flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Dover
Luton
Slough
Guildford
Hayes
Dartford
Crawley
Brentwood
Chelmsford
Wembley
Folkestone
Romford
Ilford
Cobham
Stansted
Harrow
Watford

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from United States.

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

Yes. momondo allows you to filter the results for United States to London flights to just show those with flexible booking policies.

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

Once all potential United States to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of United States to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your London trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport