Cheap flights from the United States to London from $174

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 2/16. 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.
Air Canada Logo
3:20 pm - 7:10 am
LGA
-
LHR
10h 50m1 stop
Air Canada Logo
11:10 am - 5:58 pm
LHR
-
LGA
11h 48m1 stop
$485Air Canada
Sun, Jan 18 - Tue, Jan 27
United Airlines Logo
9:45 am - 9:20 am
JFK
-
LHR
18h 35m2 stops
United Airlines Logo
1:45 pm - 1:05 pm
LHR
-
JFK
28h 20m1 stop
$485United Airlines
Wed, Feb 11 - Tue, Feb 17
British Airways Logo
5:00 pm - 10:50 am
JFK
-
LGW
12h 50m1 stop
British Airways Logo
11:45 am - 7:15 pm
LGW
-
JFK
12h 30m1 stop
$485British Airways
Wed, Jan 14 - Fri, Jan 23
Virgin Atlantic Logo
5:05 pm - 7:50 am
JFK
-
LHR
9h 45m1 stop
Virgin Atlantic Logo
9:40 am - 6:20 pm
LHR
-
JFK
13h 40m1 stop
$486Virgin Atlantic
Sat, Feb 7 - Sat, Feb 14
Iberia Logo
5:00 pm - 10:50 am
JFK
-
LGW
12h 50m1 stop
Iberia Logo
7:40 pm - 3:25 pm
LGW
-
JFK
24h 45m1 stop
$487Iberia
Wed, Jan 21 - Mon, Jan 26
Delta Logo
2:30 pm - 7:50 am
JFK
-
LHR
12h 20m1 stop
Delta Logo
10:00 am - 3:45 pm
LHR
-
JFK
10h 45m1 stop
$488Delta
Sun, Feb 1 - Tue, Feb 10
Iberia Logo
5:00 pm - 7:00 pm
JFK
-
LGW
21h 00m1 stop
Iberia Logo
7:40 pm - 7:29 pm
LGW
-
JFK
28h 49m2 stops
$489Iberia
Mon, Jan 26 - Tue, Feb 3
Delta Logo
2:30 pm - 7:50 am
JFK
-
LHR
12h 20m1 stop
Delta Logo
10:00 am - 3:45 pm
LHR
-
JFK
10h 45m1 stop
$490Delta
Sun, Feb 1 - Tue, Feb 10
Virgin Atlantic Logo
5:00 pm - 7:50 am
LGA
-
LHR
9h 50m1 stop
Virgin Atlantic Logo
1:05 pm - 7:31 pm
LHR
-
LGA
11h 26m1 stop
$495Virgin Atlantic
Sun, Feb 1 - Tue, Feb 10
British Airways Logo
7:15 pm - 7:00 am
BOS
-
LHR
6h 45mnonstop
British Airways Logo
11:40 am - 2:20 pm
LHR
-
BOS
7h 40mnonstop
$498British Airways
Fri, Jan 23 - Fri, Jan 30

Air Canada flights from United States to London

Our best Air Canada deals on United States to London flight tickets
Air Canada
Jan 18
LGA3:20 pmNew York LaGuardia
10h 50m
1 stop
LHR7:10 amLondon Heathrow
Jan 27
LHR11:10 amLondon Heathrow
11h 48m
1 stop
LGA5:58 pmNew York LaGuardia
$485
Air Canada
Jan 25
LGA3:20 pmNew York LaGuardia
10h 50m
1 stop
LHR7:10 amLondon Heathrow
Feb 5
LHR1:25 pmLondon Heathrow
10h 37m
1 stop
LGA7:02 pmNew York LaGuardia
$486
Air Canada
Feb 4
LGA12:40 pmNew York LaGuardia
15h 40m
2 stops
LHR9:20 amLondon Heathrow
Feb 11
LHR9:00 amLondon Heathrow
18h 33m
2 stops
LGA10:33 pmNew York LaGuardia
$489

United Airlines flights from United States to London

Our best United Airlines deals on United States to London flight tickets
United Airlines
Feb 11
JFK9:45 amNew York John F Kennedy Intl
18h 35m
2 stops
LHR9:20 amLondon Heathrow
Feb 17
LHR1:45 pmLondon Heathrow
28h 20m
1 stop
JFK1:05 pmNew York John F Kennedy Intl
$485
United Airlines
Feb 18
JFK9:45 amNew York John F Kennedy Intl
18h 35m
2 stops
LHR9:20 amLondon Heathrow
Feb 27
LHR6:50 amLondon Heathrow
11h 30m
1 stop
JFK1:20 pmNew York John F Kennedy Intl
$493
United Airlines
Mar 6
JFK10:05 amNew York John F Kennedy Intl
16h 05m
1 stop
LHR7:10 amLondon Heathrow
Mar 13
LHR9:00 amLondon Heathrow
12h 40m
1 stop
JFK5:40 pmNew York John F Kennedy Intl
$496

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 January 8, 2026.
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

LGA - LHR

LGALHR

New York LaGuardia

Sun 1/18

3:20 pm-7:10 am

1 stop10h 50m

London Heathrow

Tue 1/27

11:10 am-5:58 pm

1 stop11h 48m

$485

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 2/11

9:45 am-9:20 am

2 stops18h 35m

London Heathrow

Tue 2/17

1:45 pm-1:05 pm

1 stop28h 20m

$485

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Wed 1/14

5:00 pm-10:50 am

1 stop12h 50m

London Gatwick

Fri 1/23

11:45 am-7:15 pm

1 stop12h 30m

$485

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sat 2/7

5:05 pm-7:50 am

1 stop9h 45m

London Heathrow

Sat 2/14

9:40 am-6:20 pm

1 stop13h 40m

$486

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Wed 1/21

5:00 pm-10:50 am

1 stop12h 50m

London Gatwick

Mon 1/26

7:40 pm-3:25 pm

1 stop24h 45m

$487

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sun 2/1

2:30 pm-7:50 am

1 stop12h 20m

London Heathrow

Tue 2/10

10:00 am-3:45 pm

1 stop10h 45m

$488

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Mon 1/26

5:00 pm-7:00 pm

1 stop21h 00m

London Gatwick

Tue 2/3

7:40 pm-7:29 pm

2 stops28h 49m

$489

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sun 2/1

2:30 pm-7:50 am

1 stop12h 20m

London Heathrow

Tue 2/10

10:00 am-3:45 pm

1 stop10h 45m

$490

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sun 2/1

5:00 pm-7:50 am

1 stop9h 50m

London Heathrow

Tue 2/10

1:05 pm-7:31 pm

1 stop11h 26m

$495

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 1/23

7:15 pm-7:00 am

Nonstop6h 45m

London Heathrow

Fri 1/30

11:40 am-2:20 pm

Nonstop7h 40m

$498

Flights are sorted by cheapest round-trip flights 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 September. Flight prices, which tend to average around $506, are often lower during this time because this is during the off-season. The month of October is another great option to travel to London, with average flight prices from United States averaging around $517.

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 Wednesday. Travelers who choose to depart for London on a Wednesday will often find tickets for as low as $637. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $692. 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 in the morning is the least expensive time of day to depart. momondo users have found prices as low as $621 when looking at flights departing in the morning. Flights to London are more costly in the evening, with an average ticket price of $680. 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 $609 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 $590 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

$174

Fastest flight time

6h 30m

Direct flights

Every day

Airports in London

6 airports
The best one-way flight to London from United States in the past 72 hours is $174. The best round-trip flight deal from United States to London found on momondo in the last 72 hours is $427.
The fastest flight from United States to London takes 6h 30m
Direct flights go from United States to London every day.
There are 6 airports in London. From United States there are direct flights to London City (LCY), London Heathrow (LHR).
  • 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
2,891 reviews
Search JetBlue flights
Norse Atlantic UKPriceFrom $221Free CancellationRating
7.2
51 reviews
Search Norse Atlantic UK flights
TAP AIR PORTUGALPriceFrom $293Free CancellationRating
7.1
2,111 reviews
Search TAP AIR PORTUGAL flights
SWISSPriceFrom $320Free CancellationRating
7.5
1,843 reviews
Search SWISS flights
Scandinavian AirlinesPriceFrom $357Free CancellationRating
7.3
1,637 reviews
Search Scandinavian Airlines flights
PLAYPriceFrom $382Free CancellationRating
7.0
103 reviews
Search PLAY flights
KLMPriceFrom $387Free CancellationRating
7.7
1,434 reviews
Search KLM flights
FinnairPriceFrom $401Free CancellationRating
7.6
1,346 reviews
Search Finnair flights
Aer LingusPriceFrom $408Free CancellationRating
7.2
1,429 reviews
Search Aer Lingus flights
LufthansaPriceFrom $410Free CancellationRating
6.8
7,698 reviews
Search Lufthansa flights

Traveling to a place near London?

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

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

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1 adult
Sat 2/7
Sat 2/14

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