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Cheap flights from the United States to the United Kingdom from $112

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 9/8. 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
8:30 pm - 1:00 pmJFK-LHR
11h 30m1 stop
SWISS Logo
6:00 am - 12:50 pmLHR-JFK
11h 50m1 stop
$268SWISS
Find Deal
Wed, Oct 1 - Fri, Oct 10
Brussels Airlines Logo
6:10 pm - 10:15 amJFK-LHR
11h 05m1 stop
Brussels Airlines Logo
6:50 am - 1:00 pmLHR-JFK
11h 10m1 stop
$283Brussels Airlines
Find Deal
Fri, Sep 26 - Wed, Oct 15
British Airways Logo
6:30 am - 5:50 amBOS-LHR
18h 20m1 stop
British Airways Logo
2:40 pm - 5:10 pmLHR-BOS
7h 30mnonstop
$364British Airways
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Wed, Oct 1 - Thu, Oct 2
British Airways Logo
6:30 am - 5:50 amBOS-LHR
18h 20m1 stop
British Airways Logo
5:35 pm - 8:10 pmLHR-BOS
7h 35mnonstop
$365British Airways
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Wed, Oct 1 - Thu, Oct 2
Iberia Logo
8:10 pm - 7:50 amBOS-LHR
6h 40mnonstop
Iberia Logo
8:50 pm - 9:15 pmLHR-BOS
29h 25m1 stop
$369Iberia
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Tue, Aug 26 - Wed, Aug 27
American Airlines Logo
6:15 pm - 6:15 amJFK-LHR
7h 00mnonstop
American Airlines Logo
11:25 am - 7:15 pmLHR-JFK
12h 50m1 stop
$372American Airlines
Find Deal
Mon, Jan 19 - Tue, Jan 20
American Airlines Logo
7:10 pm - 7:10 amJFK-LHR
7h 00mnonstop
American Airlines Logo
6:15 am - 1:15 pmLHR-JFK
12h 00m1 stop
$373American Airlines
Find Deal
Fri, Nov 7 - Sun, Nov 9
Iberia Logo
9:38 am - 6:20 amBOS-LHR
15h 42m1 stop
Iberia Logo
8:50 pm - 9:15 pmLHR-BOS
29h 25m1 stop
$373Iberia
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Wed, Oct 1 - Thu, Oct 2
United Airlines Logo
6:20 pm - 9:00 pmBOS-LHR
21h 40m1 stop
United Airlines Logo
12:10 pm - 3:25 pmLHR-BOS
32h 15m1 stop
$389United Airlines
Find Deal
Sun, Sep 28 - Tue, Sep 30
United Airlines Logo
6:30 pm - 9:35 amBOS-LHR
10h 05m1 stop
United Airlines Logo
6:50 am - 4:22 pmLHR-BOS
14h 32m2 stops
$402United Airlines
Find Deal
Mon, Sep 29 - Wed, Oct 1

Iberia flights from United States to United Kingdom

Our best Iberia deals on United States to United Kingdom flight tickets
Iberia
Aug 26
BOS8:10 pmBoston Logan Intl
6h 40m
LHR7:50 amLondon Heathrow
Aug 27
LHR8:50 pmLondon Heathrow
29h 25m
1 stop
BOS9:15 pmBoston Logan Intl
$369
Find similar
Iberia
Oct 1
BOS9:38 amBoston Logan Intl
15h 42m
1 stop
LHR6:20 amLondon Heathrow
Oct 2
LHR8:50 pmLondon Heathrow
29h 25m
1 stop
BOS9:15 pmBoston Logan Intl
$373
Find similar
Iberia
Oct 3
JFK8:40 pmNew York John F Kennedy Intl
18h 20m
1 stop
LGW8:00 pmLondon Gatwick
Oct 5
LGW2:45 pmLondon Gatwick
8h 00m
JFK5:45 pmNew York John F Kennedy Intl
$374
Find similar

United Airlines flights from United States to United Kingdom

Our best United Airlines deals on United States to United Kingdom flight tickets
United Airlines
Sep 28
BOS6:20 pmBoston Logan Intl
21h 40m
1 stop
LHR9:00 pmLondon Heathrow
Sep 30
LHR12:10 pmLondon Heathrow
32h 15m
1 stop
BOS3:25 pmBoston Logan Intl
$389
Find similar
United Airlines
Sep 29
BOS6:30 pmBoston Logan Intl
10h 05m
1 stop
LHR9:35 amLondon Heathrow
Oct 1
LHR6:50 amLondon Heathrow
14h 32m
2 stops
BOS4:22 pmBoston Logan Intl
$402
Find similar
United Airlines
Sep 30
BOS6:00 amBoston Logan Intl
22h 35m
1 stop
LHR9:35 amLondon Heathrow
Oct 2
LHR6:50 amLondon Heathrow
14h 32m
2 stops
BOS4:22 pmBoston Logan Intl
$403
Find similar

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 July 31, 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

Wed 10/1

8:30 pm-1:00 pm

1 stop11h 30m

London Heathrow

Fri 10/10

6:00 am-12:50 pm

1 stop11h 50m

$268

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 9/26

6:10 pm-10:15 am

1 stop11h 05m

London Heathrow

Wed 10/15

6:50 am-1:00 pm

1 stop11h 10m

$283

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 10/1

6:30 am-5:50 am

1 stop18h 20m

London Heathrow

Thu 10/2

2:40 pm-5:10 pm

Nonstop7h 30m

$364

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 10/1

6:30 am-5:50 am

1 stop18h 20m

London Heathrow

Thu 10/2

5:35 pm-8:10 pm

Nonstop7h 35m

$365

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 8/26

8:10 pm-7:50 am

Nonstop6h 40m

London Heathrow

Wed 8/27

8:50 pm-9:15 pm

1 stop29h 25m

$369

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 1/19

6:15 pm-6:15 am

Nonstop7h 00m

London Heathrow

Tue 1/20

11:25 am-7:15 pm

1 stop12h 50m

$372

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 11/7

7:10 pm-7:10 am

Nonstop7h 00m

London Heathrow

Sun 11/9

6:15 am-1:15 pm

1 stop12h 00m

$373

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 10/1

9:38 am-6:20 am

1 stop15h 42m

London Heathrow

Thu 10/2

8:50 pm-9:15 pm

1 stop29h 25m

$373

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 9/28

6:20 pm-9:00 pm

1 stop21h 40m

London Heathrow

Tue 9/30

12:10 pm-3:25 pm

1 stop32h 15m

$389

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 9/29

6:30 pm-9:35 am

1 stop10h 05m

London Heathrow

Wed 10/1

6:50 am-4:22 pm

2 stops14h 32m

$402

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 $428.

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 $766. The most expensive day to fly to United Kingdom is Saturday, with ticket prices averaging around $885.

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 in the afternoon. momondo users have found flights departing from United States to United Kingdom in the afternoon for as low as $783. 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 $849. 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 $615 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 $550 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 14% 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

$112

Fastest flight time

6h 25m

Direct flights

Every day

Airports in United Kingdom

2 airports
The best one-way flight to United Kingdom from United States in the past 72 hours is $112. The best round-trip flight deal from United States to United Kingdom found on momondo in the last 72 hours is $268.
The fastest flight from United States to United Kingdom takes 6h 25m
Direct flights go from United States to United Kingdom every day.
There are 2 airports near United Kingdom: London Heathrow (LHR), London Gatwick (LGW)
Search flight deals

  • 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
2,914 reviews
Search JetBlue flights
RyanairPriceFrom $57Free CancellationRating
6.8
5,154 reviews
Search Ryanair flights
LufthansaPriceFrom $197Free CancellationRating
6.8
7,275 reviews
Search Lufthansa flights
Scandinavian AirlinesPriceFrom $203Free CancellationRating
7.3
1,457 reviews
Search Scandinavian Airlines flights
SWISSPriceFrom $245Free CancellationRating
7.5
1,686 reviews
Search SWISS flights
WestJetPriceFrom $272Free CancellationRating
7.2
2,978 reviews
Search WestJet flights
Norse Atlantic UKPriceFrom $280Free CancellationRating
7.2
47 reviews
Search Norse Atlantic UK flights
Air FrancePriceFrom $340Free CancellationRating
7.5
1,465 reviews
Search Air France flights
Air CanadaPriceFrom $354Free CancellationRating
7.1
9,851 reviews
Search Air Canada flights
KLMPriceFrom $366Free CancellationRating
7.8
1,383 reviews
Search KLM 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

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

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
Flights to Londonfrom $283
Flights to Manchesterfrom $372
Flights to Edinburghfrom $405
Flights to Glasgowfrom $417
Flights to Birminghamfrom $384
Flights to Belfastfrom $442
Flights to Newcastle upon Tynefrom $462
Flights to Bristolfrom $465
Flights to Invernessfrom $402
Flights to Liverpoolfrom $475
Flights to Aberdeenfrom $506
Flights to Leedsfrom $473