Cheap flights from the United States to the United Kingdom from $142

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 the United Kingdom departing on 11/19. 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 the United Kingdom

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

SWISS Logo
7:35 pm - 6:40 pmJFK-LHR
18h 05m1 stop
SWISS Logo
6:40 pm - 1:05 pmLHR-JFK
23h 25m1 stop
$425SWISS
Find Deal
Thu, Jan 15 - Sat, Jan 17
 Logo
11:45 pm - 11:20 pmJFK-LGW
18h 35m1 stop
 Logo
9:40 am - 10:00 pmLGW-JFK
17h 20m2 stops
Sun, Nov 16 - Tue, Dec 16
American Airlines Logo
6:50 pm - 6:45 amJFK-LHR
6h 55mnonstop
American Airlines Logo
6:15 am - 1:20 pmLHR-JFK
12h 05m1 stop
$435American Airlines
Find Deal
Fri, Nov 21 - Sun, Nov 23
British Airways Logo
6:10 pm - 6:20 amJFK-LHR
7h 10mnonstop
British Airways Logo
5:00 pm - 7:55 pmLHR-JFK
7h 55mnonstop
$445British Airways
Find Deal
Mon, Oct 13 - Mon, Oct 20
British Airways Logo
8:05 pm - 8:10 amJFK-LGW
7h 05mnonstop
British Airways Logo
3:05 pm - 6:05 pmLGW-JFK
8h 00mnonstop
$469British Airways
Find Deal
Fri, Oct 3 - Mon, Oct 6
Delta Logo
9:00 pm - 7:50 amBOS-LHR
6h 50mnonstop
Delta Logo
6:20 am - 1:40 pmLHR-BOS
12h 20m1 stop
$479Delta
Find Deal
Wed, Oct 29 - Fri, Nov 14
Delta Logo
10:45 pm - 10:30 amBOS-LHR
6h 45mnonstop
Delta Logo
11:30 am - 8:20 pmLHR-BOS
13h 50m1 stop
$480Delta
Find Deal
Wed, Oct 1 - Wed, Oct 15
United Airlines Logo
1:05 pm - 7:10 amLGA-LHR
13h 05m1 stop
United Airlines Logo
1:25 pm - 7:03 pmLHR-LGA
10h 38m1 stop
$487United Airlines
Find Deal
Mon, Nov 10 - Tue, Nov 18
United Airlines Logo
2:55 pm - 6:40 amLGA-LHR
10h 45m1 stop
United Airlines Logo
1:25 pm - 7:03 pmLHR-LGA
10h 38m1 stop
$489United Airlines
Find Deal
Mon, Nov 10 - Tue, Nov 18
American Airlines Logo
3:09 pm - 7:50 amORD-LHR
10h 41m1 stop
American Airlines Logo
8:50 am - 3:45 pmLHR-ORD
12h 55m1 stop
$541American Airlines
Find Deal
Thu, Sep 25 - Thu, Oct 2

Aer Lingus flights from United States to United Kingdom

Our best Aer Lingus deals on United States to United Kingdom flight tickets
Aer Lingus
Oct 15
JFK6:25 pmNew York John F Kennedy Intl
9h 40m
1 stop
LHR9:05 amLondon Heathrow
Oct 22
LHR9:50 amLondon Heathrow
12h 00m
1 stop
JFK4:50 pmNew York John F Kennedy Intl
Aer Lingus
Oct 13
JFK4:55 pmNew York John F Kennedy Intl
10h 05m
1 stop
LHR8:00 amLondon Heathrow
Oct 20
LHR9:50 amLondon Heathrow
12h 00m
1 stop
JFK4:50 pmNew York John F Kennedy Intl
Aer Lingus
Sep 28
BOS6:35 pmBoston Logan Intl
9h 30m
1 stop
LHR9:05 amLondon Heathrow
Oct 3
LHR12:00 pmLondon Heathrow
11h 45m
1 stop
BOS6:45 pmBoston Logan Intl

SWISS flights from United States to United Kingdom

Our best SWISS deals on United States to United Kingdom flight tickets
SWISS
Jan 15
JFK7:35 pmNew York John F Kennedy Intl
18h 05m
1 stop
LHR6:40 pmLondon Heathrow
Jan 17
LHR6:40 pmLondon Heathrow
23h 25m
1 stop
JFK1:05 pmNew York John F Kennedy Intl
SWISS
Oct 7
EWR9:50 pmNewark
13h 35m
1 stop
LHR4:25 pmLondon Heathrow
Oct 16
LHR8:40 amLondon Heathrow
16h 30m
1 stop
EWR8:10 pmNewark
SWISS
Sep 24
JFK4:15 pmNew York John F Kennedy Intl
20h 40m
1 stop
LGW5:55 pmLondon Gatwick
Oct 1
LGW6:35 pmLondon Gatwick
27h 00m
1 stop
JFK4:35 pmNew York John F Kennedy Intl

momondo Fare Finder

 
Customize your flight search to find flights from United States to United Kingdom 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 September 15, 2025.
Use the filters below to find and compare flights from the United States to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 1/15

7:35 pm-6:40 pm

1 stop18h 05m

London Heathrow

Sat 1/17

6:40 pm-1:05 pm

1 stop23h 25m

$425

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Sun 11/16

11:45 pm-11:20 pm

1 stop18h 35m

London Gatwick

Tue 12/16

9:40 am-10:00 pm

2 stops17h 20m

$426

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 11/21

6:50 pm-6:45 am

Nonstop6h 55m

London Heathrow

Sun 11/23

6:15 am-1:20 pm

1 stop12h 05m

$435

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 10/13

6:10 pm-6:20 am

Nonstop7h 10m

London Heathrow

Mon 10/20

5:00 pm-7:55 pm

Nonstop7h 55m

$445

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Fri 10/3

8:05 pm-8:10 am

Nonstop7h 05m

London Gatwick

Mon 10/6

3:05 pm-6:05 pm

Nonstop8h 00m

$469

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 10/29

9:00 pm-7:50 am

Nonstop6h 50m

London Heathrow

Fri 11/14

6:20 am-1:40 pm

1 stop12h 20m

$479

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 10/1

10:45 pm-10:30 am

Nonstop6h 45m

London Heathrow

Wed 10/15

11:30 am-8:20 pm

1 stop13h 50m

$480

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 11/10

1:05 pm-7:10 am

1 stop13h 05m

London Heathrow

Tue 11/18

1:25 pm-7:03 pm

1 stop10h 38m

$487

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 11/10

2:55 pm-6:40 am

1 stop10h 45m

London Heathrow

Tue 11/18

1:25 pm-7:03 pm

1 stop10h 38m

$489

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Thu 9/25

3:09 pm-7:50 am

1 stop10h 41m

London Heathrow

Thu 10/2

8:50 am-3:45 pm

1 stop12h 55m

$541

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 Kingdom from

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

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 Kingdom?

In general, January is the cheapest month to fly from United States to United Kingdom. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $414. If you aren’t able to travel to United Kingdom during the month of January, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $416.

What is the cheapest day to depart on your flight to United Kingdom?

The cheapest day to depart from United States to United Kingdom is on a Wednesday when prices can be found for as low as $760. The most expensive day to fly to United Kingdom is Saturday, with ticket prices averaging around $881.

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

According to our data, the cheapest time of day to fly to United Kingdom is at noon. momondo users have found flights departing from United States to United Kingdom at noon for as low as $772. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to United Kingdom are more costly in the morning, with an average ticket price of $966. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest United States to United Kingdom flight route?

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

How far in advance should I book a flight to United Kingdom?

You are more likely to see cheaper flights to United Kingdom from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around $609 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from United States for as low as $558 on momondo.

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

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

You could potentially save up to 2% on your flight if you consider stops on a United States to United Kingdom flight.

Cheap United States to United Kingdom flight deals and tips

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

Best Price Found

$138

Fastest flight time

6h 30m

Direct flights

Every day

Airports in United Kingdom

1 airport
The best one-way flight to United Kingdom from United States in the past 72 hours is $138. The best round-trip flight deal from United States to United Kingdom found on momondo in the last 72 hours is $418.
The fastest flight from United States to United Kingdom takes 6h 30m
Direct flights go from United States to United Kingdom every day.
There is 1 airport near United Kingdom: London Heathrow (LHR)
  • When did momondo last update prices for flights from United States to United Kingdom?

    Prices for flights from United States to United Kingdom refresh daily.

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

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

    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 layovers. It is recommended that you verify with the airline you are booking with for travel from United States to United Kingdom.

  • What documentation or ID do you need to fly to United Kingdom?

    The travel and health documents required for your trip to United Kingdom can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at United Kingdom. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Best airlines flying from United States to United Kingdom

Compare and see reviews for airlines that fly from United States to United Kingdom with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $51Free CancellationRating
7.2
2,912 reviews
Search JetBlue flights
RyanairPriceFrom $57Free CancellationRating
6.8
5,155 reviews
Search Ryanair flights
LufthansaPriceFrom $197Free CancellationRating
6.8
7,407 reviews
Search Lufthansa flights
Scandinavian AirlinesPriceFrom $203Free CancellationRating
7.4
1,484 reviews
Search Scandinavian Airlines flights
WestJetPriceFrom $272Free CancellationRating
7.2
3,091 reviews
Search WestJet flights
SWISSPriceFrom $283Free CancellationRating
7.5
1,730 reviews
Search SWISS flights
TAP AIR PORTUGALPriceFrom $293Free CancellationRating
7.1
1,975 reviews
Search TAP AIR PORTUGAL flights
Air FrancePriceFrom $340Free CancellationRating
7.4
1,469 reviews
Search Air France flights
Norse Atlantic UKPriceFrom $344Free CancellationRating
7.1
49 reviews
Search Norse Atlantic UK flights
Air CanadaPriceFrom $354Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from United States to United Kingdom. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from United States to United Kingdom with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from United States to United Kingdom.

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

Price alerts on flights to United Kingdom from United States 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.

An easier way to manage your United Kingdom trip

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1 adult
Wed 10/15
Wed 10/22

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