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Cheap flights from the United States to London from $145

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 11/7. 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
10:05 am - 8:35 pmJFK-LHR
29h 30m2 stops
Air Canada Logo
6:50 am - 8:58 pmLHR-JFK
19h 08m2 stops
$476Air Canada
Find Deal
Mon, Nov 10 - Sun, Nov 16
Air Canada Logo
1:05 pm - 8:30 amLGA-LHR
14h 25m2 stops
Air Canada Logo
9:00 am - 7:02 pmLHR-LGA
15h 02m2 stops
$477Air Canada
Find Deal
Wed, Dec 3 - Wed, Dec 10
United Airlines Logo
9:50 pm - 11:15 amBOS-LHR
32h 25m1 stop
United Airlines Logo
9:00 am - 5:50 pmLHR-BOS
13h 50m1 stop
$492United Airlines
Find Deal
Thu, Nov 13 - Sun, Nov 16
United Airlines Logo
10:05 am - 7:10 amJFK-LHR
16h 05m1 stop
United Airlines Logo
9:00 am - 4:40 pmLHR-JFK
12h 40m1 stop
$496United Airlines
Find Deal
Mon, Nov 17 - Mon, Nov 24
American Airlines Logo
5:30 pm - 7:00 amJFK-LHR
8h 30m1 stop
American Airlines Logo
11:25 am - 7:15 pmLHR-JFK
12h 50m1 stop
$499American Airlines
Find Deal
Wed, Nov 12 - Wed, Nov 19
American Airlines Logo
7:10 pm - 7:10 amJFK-LHR
7h 00mnonstop
American Airlines Logo
6:15 am - 1:20 pmLHR-JFK
12h 05m1 stop
$502American Airlines
Find Deal
Thu, Jan 15 - Sun, Jan 18
Delta Logo
7:10 pm - 6:50 amBOS-LHR
6h 40mnonstop
Delta Logo
8:55 am - 4:20 pmLHR-BOS
12h 25m1 stop
$507Delta
Find Deal
Wed, Nov 19 - Fri, Nov 21
Delta Logo
8:00 pm - 8:05 amJFK-LHR
7h 05mnonstop
Delta Logo
10:00 am - 3:45 pmLHR-JFK
10h 45m1 stop
$507Delta
Find Deal
Mon, Nov 17 - Mon, Nov 24
British Airways Logo
9:35 pm - 9:15 amBOS-LHR
6h 40mnonstop
British Airways Logo
11:40 am - 2:20 pmLHR-BOS
7h 40mnonstop
$515British Airways
Find Deal
Wed, Dec 3 - Thu, Dec 4
British Airways Logo
7:30 am - 7:00 pmBOS-LHR
6h 30mnonstop
British Airways Logo
5:05 pm - 7:45 pmLHR-BOS
7h 40mnonstop
$517British Airways
Find Deal
Fri, Jan 16 - Mon, Jan 19

Air Canada flights from United States to London Heathrow Airport

Our best Air Canada deals on United States to London Heathrow Airport flight tickets
Air Canada
Nov 10
JFK10:05 amNew York John F Kennedy Intl
29h 30m
2 stops
LHR8:35 pmLondon Heathrow
Nov 16
LHR6:50 amLondon Heathrow
19h 08m
2 stops
JFK8:58 pmNew York John F Kennedy Intl
$476
Find similar
Air Canada
Dec 3
LGA1:05 pmNew York LaGuardia
14h 25m
2 stops
LHR8:30 amLondon Heathrow
Dec 10
LHR9:00 amLondon Heathrow
15h 02m
2 stops
LGA7:02 pmNew York LaGuardia
$477
Find similar
Air Canada
Nov 17
JFK10:05 amNew York John F Kennedy Intl
17h 00m
2 stops
LHR8:05 amLondon Heathrow
Nov 24
LHR9:00 amLondon Heathrow
16h 58m
2 stops
JFK8:58 pmNew York John F Kennedy Intl
$479
Find similar

JetBlue flights from United States to London Heathrow Airport

Our best JetBlue deals on United States to London Heathrow Airport flight tickets
JetBlue
Nov 7
JFK3:50 pmNew York John F Kennedy Intl
10h 05m
1 stop
LHR6:55 amLondon Heathrow
Nov 13
LHR7:25 amLondon Heathrow
8h 12m
JFK10:37 amNew York John F Kennedy Intl
$487
Find similar
JetBlue
Jan 12
BOS7:10 pmBoston Logan Intl
6h 45m
LHR6:55 amLondon Heathrow
Jan 20
LHR9:20 amLondon Heathrow
7h 56m
BOS12:16 pmBoston Logan Intl
$504
Find similar
JetBlue
Nov 8
JFK9:09 pmNew York John F Kennedy Intl
7h 21m
LHR9:30 amLondon Heathrow
Dec 6
LHR8:05 amLondon Heathrow
8h 11m
JFK11:16 amNew York John F Kennedy Intl
$505
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from United States to London Heathrow Airport 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 October 30, 2025.
Use the filters below to find and compare flights from the United States to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 11/10

10:05 am-8:35 pm

2 stops29h 30m

London Heathrow

Sun 11/16

6:50 am-8:58 pm

2 stops19h 08m

$476

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 12/3

1:05 pm-8:30 am

2 stops14h 25m

London Heathrow

Wed 12/10

9:00 am-7:02 pm

2 stops15h 02m

$477

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 11/13

9:50 pm-11:15 am

1 stop32h 25m

London Heathrow

Sun 11/16

9:00 am-5:50 pm

1 stop13h 50m

$492

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 11/17

10:05 am-7:10 am

1 stop16h 05m

London Heathrow

Mon 11/24

9:00 am-4:40 pm

1 stop12h 40m

$496

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 11/12

5:30 pm-7:00 am

1 stop8h 30m

London Heathrow

Wed 11/19

11:25 am-7:15 pm

1 stop12h 50m

$499

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 1/15

7:10 pm-7:10 am

Nonstop7h 00m

London Heathrow

Sun 1/18

6:15 am-1:20 pm

1 stop12h 05m

$502

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 11/19

7:10 pm-6:50 am

Nonstop6h 40m

London Heathrow

Fri 11/21

8:55 am-4:20 pm

1 stop12h 25m

$507

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 11/17

8:00 pm-8:05 am

Nonstop7h 05m

London Heathrow

Mon 11/24

10:00 am-3:45 pm

1 stop10h 45m

$507

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 12/3

9:35 pm-9:15 am

Nonstop6h 40m

London Heathrow

Thu 12/4

11:40 am-2:20 pm

Nonstop7h 40m

$515

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 1/16

7:30 am-7:00 pm

Nonstop6h 30m

London Heathrow

Mon 1/19

5:05 pm-7:45 pm

Nonstop7h 40m

$517

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 Heathrow Airport

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 Heathrow Airport?

The month of September is, on average, the cheapest month to fly to London Heathrow Airport from United States, with most prices found around $543. If you’re not able to fly to London Heathrow Airport in September, then August is your next best option. Flight prices from United States to London Heathrow Airport during August average around $562.

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

Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $642. The most expensive day to fly to London Heathrow Airport is Sunday, with ticket prices averaging around $688.

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

According to our data, the cheapest time of day to fly to London Heathrow Airport is at noon. momondo users have found flights departing from United States to London Heathrow Airport at noon for as low as $586. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $694.

What is the cheapest United States to London Heathrow flight route?

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

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

You are more likely to see cheaper flights to London Heathrow Airport from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $613 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from United States for as low as $558 on momondo.

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

There are 4 cabin classes available to choose from on United States to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap United States to London Heathrow Airport flight deals and tips

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

Best Price Found

$284

Fastest flight time

6h 30m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from United States in the past 72 hours is $284. The best round-trip flight deal from United States to London Heathrow Airport found on momondo in the last 72 hours is $518.
The fastest flight from United States to London Heathrow Airport takes 6h 30m
Direct flights go from United States to London Heathrow Airport every day.
Search flight deals

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

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

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

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

    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 Heathrow Airport.

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

    The necessary travel and health documents for your London Heathrow Airport 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 Heathrow Airport?

Best airlines flying from United States to London Heathrow Airport

Compare and see reviews for airlines that fly from United States to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $51Free CancellationRating
7.2
2,906 reviews
Search JetBlue flights
Scandinavian AirlinesPriceFrom $203Free CancellationRating
7.4
1,548 reviews
Search Scandinavian Airlines flights
WestJetPriceFrom $272Free CancellationRating
7.2
3,152 reviews
Search WestJet flights
SWISSPriceFrom $290Free CancellationRating
7.5
1,775 reviews
Search SWISS flights
TAP AIR PORTUGALPriceFrom $293Free CancellationRating
7.1
2,040 reviews
Search TAP AIR PORTUGAL flights
Virgin AtlanticPriceFrom $324Free CancellationRating
7.5
671 reviews
Search Virgin Atlantic flights
Air FrancePriceFrom $340Free CancellationRating
7.4
1,482 reviews
Search Air France flights
Norse Atlantic UKPriceFrom $363Free CancellationRating
7.2
51 reviews
Search Norse Atlantic UK flights
Air CanadaPriceFrom $382Free CancellationRating
7.1
10,383 reviews
Search Air Canada flights
KLMPriceFrom $387Free CancellationRating
7.7
1,406 reviews
Search KLM 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
Stratford-upon-Avon
Brentwood
Salisbury
Chelmsford
Folkestone
Romford
Ilford
Swindon
Cobham
Wembley

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from United States to London. momondo saves you time and could save you money on your trip.

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?

momondo helps you find the best flight between United States and London 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 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 Heathrow Airport trip

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