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Cheap flights from New York John F Kennedy Intl Airport to London from $249

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New York John F Kennedy Intl Airport to London departing on 27/11. 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 New York John F Kennedy Intl Airport to London

Cheap return flights

LEVEL Logo
23:45 - 09:10JFK-LHR
28h 25m1 stop
LEVEL Logo
18:50 - 22:00LHR-JFK
32h 10m1 stop
$653LEVEL
Find Deal
Mon, 10 Nov - Mon, 17 Nov
LEVEL Logo
23:45 - 09:10JFK-LHR
28h 25m1 stop
LEVEL Logo
18:50 - 22:00LHR-JFK
32h 10m1 stop
$654LEVEL
Find Deal
Mon, 10 Nov - Mon, 17 Nov
Aer Lingus Logo
18:25 - 09:05JFK-LHR
9h 40m1 stop
Aer Lingus Logo
09:50 - 16:50LHR-JFK
12h 00m1 stop
$700Aer Lingus
Find Deal
Tue, 14 Oct - Tue, 21 Oct
Aer Lingus Logo
18:25 - 09:05JFK-LHR
9h 40m1 stop
Aer Lingus Logo
12:10 - 20:25LHR-JFK
12h 15m1 stop
$703Aer Lingus
Find Deal
Thu, 16 Oct - Fri, 31 Oct
Logo
23:45 - 18:00JFK-LHR
13h 15m1 stop
Logo
09:55 - 22:00LHR-JFK
17h 05m1 stop
$712
Find Deal
Tue, 18 Nov - Thu, 11 Dec
Logo
23:45 - 18:00JFK-LHR
13h 15m1 stop
Logo
09:55 - 22:00LHR-JFK
17h 05m1 stop
$714
Find Deal
Tue, 9 Dec - Tue, 16 Dec
Scandinavian Airlines Logo
17:35 - 16:25JFK-LHR
41h 50m2 stops
Scandinavian Airlines Logo
13:55 - 15:45LHR-JFK
30h 50m2 stops
$720Scandinavian Airlines
Find Deal
Fri, 23 Jan - Mon, 26 Jan
Scandinavian Airlines Logo
18:55 - 08:55JFK-LHR
33h 00m2 stops
Scandinavian Airlines Logo
07:05 - 15:40LHR-JFK
13h 35m1 stop
$721Scandinavian Airlines
Find Deal
Fri, 3 Oct - Mon, 6 Oct
Virgin Atlantic Logo
08:10 - 20:00JFK-LHR
6h 50mdirect
Virgin Atlantic Logo
06:30 - 15:25LHR-JFK
13h 55m1 stop
$746Virgin Atlantic
Find Deal
Tue, 14 Oct - Tue, 21 Oct
Virgin Atlantic Logo
19:00 - 07:15JFK-LHR
7h 15mdirect
Virgin Atlantic Logo
11:45 - 19:05LHR-JFK
12h 20m1 stop
$752Virgin Atlantic
Find Deal
Fri, 12 Sep - Mon, 15 Sep

LEVEL flights from New York John F Kennedy Intl Airport to London Heathrow Airport

Our best LEVEL deals on New York John F Kennedy Intl Airport to London Heathrow Airport flight tickets
LEVEL
10 Nov
JFK23:45New York John F Kennedy Intl
28h 25m
1 stop
LHR09:10London Heathrow
17 Nov
LHR18:50London Heathrow
32h 10m
1 stop
JFK22:00New York John F Kennedy Intl
$653
Find similar
LEVEL
10 Nov
JFK23:45New York John F Kennedy Intl
28h 25m
1 stop
LHR09:10London Heathrow
17 Nov
LHR18:50London Heathrow
32h 10m
1 stop
JFK22:00New York John F Kennedy Intl
$654
Find similar
LEVEL
11 Nov
JFK23:45New York John F Kennedy Intl
13h 15m
1 stop
LHR18:00London Heathrow
18 Nov
LHR09:55London Heathrow
17h 05m
1 stop
JFK22:00New York John F Kennedy Intl
$656
Find similar

Aer Lingus flights from New York John F Kennedy Intl Airport to London Heathrow Airport

Our best Aer Lingus deals on New York John F Kennedy Intl Airport to London Heathrow Airport flight tickets
Aer Lingus
14 Oct
JFK18:25New York John F Kennedy Intl
9h 40m
1 stop
LHR09:05London Heathrow
21 Oct
LHR09:50London Heathrow
12h 00m
1 stop
JFK16:50New York John F Kennedy Intl
$700
Find similar
Aer Lingus
16 Oct
JFK18:25New York John F Kennedy Intl
9h 40m
1 stop
LHR09:05London Heathrow
31 Oct
LHR12:10London Heathrow
12h 15m
1 stop
JFK20:25New York John F Kennedy Intl
$703
Find similar
Aer Lingus
18 Oct
JFK18:25New York John F Kennedy Intl
9h 40m
1 stop
LHR09:05London Heathrow
31 Oct
LHR12:10London Heathrow
12h 15m
1 stop
JFK20:25New York John F Kennedy Intl
$704
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from New York John F Kennedy Intl Airport 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 78,305 searches. Data last updated 31 August 2025.
Use the filters below to find and compare flights from New York John F Kennedy Intl Airport 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 10/11

23:45-09:10

1 stop28h 25m

London Heathrow

Mon 17/11

18:50-22:00

1 stop32h 10m

$653

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 10/11

23:45-09:10

1 stop28h 25m

London Heathrow

Mon 17/11

18:50-22:00

1 stop32h 10m

$654

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 14/10

18:25-09:05

1 stop9h 40m

London Heathrow

Tue 21/10

09:50-16:50

1 stop12h 00m

$700

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 16/10

18:25-09:05

1 stop9h 40m

London Heathrow

Fri 31/10

12:10-20:25

1 stop12h 15m

$703

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 18/11

23:45-18:00

1 stop13h 15m

London Heathrow

Thu 11/12

09:55-22:00

1 stop17h 05m

$712

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 9/12

23:45-18:00

1 stop13h 15m

London Heathrow

Tue 16/12

09:55-22:00

1 stop17h 05m

$714

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 23/1

17:35-16:25

2 stops41h 50m

London Heathrow

Mon 26/1

13:55-15:45

2 stops30h 50m

$720

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 3/10

18:55-08:55

2 stops33h 00m

London Heathrow

Mon 6/10

07:05-15:40

1 stop13h 35m

$721

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 14/10

08:10-20:00

Nonstop6h 50m

London Heathrow

Tue 21/10

06:30-15:25

1 stop13h 55m

$746

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 12/9

19:00-07:15

Nonstop7h 15m

London Heathrow

Mon 15/9

11:45-19:05

1 stop12h 20m

$752

Flights are sorted by cheapest return 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 New York John F Kennedy Intl Airport 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 typical price of a round-trip flight between New York John F Kennedy Intl Airport and London Heathrow Airport?

What is the cheapest month to fly to London Heathrow Airport?

The month of January is, on average, the cheapest month to fly to London Heathrow Airport from New York John F Kennedy Intl Airport, with most prices found around $824. If you aren’t able to travel during the month of January, then book flights to London Heathrow Airport from New York John F Kennedy Intl Airport during September instead. Flights to London Heathrow Airport in September, while not as cheap as those in January, still average around $833.

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

Our data shows that Thursday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $790. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from New York John F Kennedy Intl Airport to London Heathrow Airport for around $1,044.

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

In the afternoon is the cheapest time of day to fly from New York John F Kennedy Intl Airport to London Heathrow Airport when you can find flight prices for as low as $794. Flying to London Heathrow Airport in the afternoon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to London Heathrow Airport is in the evening when prices are around $939.

What is the cheapest New York John F Kennedy Intl to London Heathrow flight route?

Fly from New York John F Kennedy Intl to London Heathrow for the best New York John F Kennedy Intl - 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 New York John F Kennedy Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $934 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from New York John F Kennedy Intl Airport for as low as $857 on momondo.

What cabin class options are available on New York John F Kennedy Intl to London Heathrow flights?

There are 3 cabin classes available to choose from on New York John F Kennedy Intl to London Heathrow 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 New York John F Kennedy Intl Airport to London Heathrow Airport flights?

You could potentially save up to 7% on your flight if you consider stops on a New York John F Kennedy Intl Airport to London Heathrow Airport flight.

How have New York John F Kennedy Intl Airport to London Heathrow Airport flight prices changed over time?

As of August 2025, prices for New York John F Kennedy Intl Airport to London Heathrow Airport flights are approximately 16% cheaper when compared to flights at the same time last year.

When to book flights from New York John F Kennedy Intl Airport to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from New York John F Kennedy Intl Airport to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap New York John F Kennedy Intl Airport to London Heathrow Airport (JFK to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New York John F Kennedy Intl Airport to London Heathrow Airport

Best price found

$344

Fastest flight time

6h 50m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from New York John F Kennedy Intl Airport in the past 72 hours is $344. The best return flight deal from New York John F Kennedy Intl Airport to London Heathrow Airport found on momondo in the last 72 hours is $783.
The fastest flight from New York John F Kennedy Intl Airport to London Heathrow Airport takes 6h 50m
Direct flights go from New York John F Kennedy Intl Airport to London Heathrow Airport every day.
Search flight deals

  • How far is New York John F Kennedy Intl to London Heathrow by plane?

    There are 5536.1 km between New York John F Kennedy Intl and London Heathrow. Flights usually cover this in 6h 50m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from New York John F Kennedy Intl Airport to London Heathrow Airport?

    Prices for flights from New York John F Kennedy Intl Airport to London Heathrow Airport refresh daily.

  • How old do you have to be to fly from New York John F Kennedy Intl Airport to London Heathrow Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from New York John F Kennedy Intl Airport to London Heathrow Airport.

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

    The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from New York John F Kennedy Intl Airport to London Heathrow Airport?

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Why use momondo?

Why should I use momondo to find a flight deal from New York 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 New York.

Can I find flights from New York to London with flexible booking policies on momondo?

momondo does allow users to show only those flights to London from New York which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from New York to London?

momondo helps you find the best flight between New York 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 New York to London right now. Can momondo alert me if prices change?

Price alerts on flights to London from New York are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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