Cheap flights from the United States to London from $185

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 2/8. 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 London

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

Enter your travel dates to find the best prices.
British Airways Logo
9:50 pm - 9:40 am
JFK
-
LHR
6h 50mnonstop
British Airways Logo
11:25 am - 7:15 pm
LHR
-
JFK
12h 50m
1 stop
$474British Airways
Sun, Jan 25 - Thu, Feb 5
Multiple Airlines Logo
10:05 am - 8:35 pm
JFK
-
LHR
29h 30m
2 stops
Multiple Airlines Logo
5:10 pm - 1:05 pm
LHR
-
JFK
24h 55m
1 stop
$475Multiple Airlines
Thu, Jan 22 - Thu, Jan 29
Air Canada Logo
3:20 pm - 7:10 am
LGA
-
LHR
10h 50m
1 stop
Air Canada Logo
1:25 pm - 7:02 pm
LHR
-
LGA
10h 37m
1 stop
$476Air Canada
Wed, Jan 21 - Thu, Feb 5
JetBlue Logo
9:35 am - 9:40 pm
JFK
-
LHR
7h 05mnonstop
JetBlue Logo
7:25 am - 10:48 am
LHR
-
JFK
8h 23mnonstop
$476JetBlue
Wed, Feb 25 - Tue, Mar 3
Iberia Logo
9:50 pm - 9:40 am
JFK
-
LHR
6h 50mnonstop
Iberia Logo
11:25 am - 7:15 pm
LHR
-
JFK
12h 50m
1 stop
$481Iberia
Sun, Feb 1 - Sun, Feb 8
American Airlines Logo
8:00 pm - 12:00 pm
JFK
-
LHR
11h 00m
1 stop
American Airlines Logo
8:50 am - 7:29 pm
LHR
-
JFK
15h 39m
1 stop
$483American Airlines
Thu, Jan 29 - Tue, Feb 10
Delta Logo
7:15 pm - 6:50 am
BOS
-
LHR
6h 35mnonstop
Delta Logo
9:40 am - 12:30 pm
LHR
-
BOS
7h 50mnonstop
$494Delta
Wed, Feb 11 - Fri, Feb 20
United Airlines Logo
10:15 am - 7:10 am
BOS
-
LHR
16h 55m
1 stop
United Airlines Logo
12:05 pm - 9:20 pm
LHR
-
BOS
13h 15m
1 stop
$495United Airlines
Thu, Mar 12 - Tue, Mar 17
United Airlines Logo
6:00 am - 8:35 pm
BOS
-
LHR
9h 35m
1 stop
United Airlines Logo
1:45 pm - 8:20 pm
LHR
-
BOS
11h 35m
1 stop
$496United Airlines
Fri, Feb 13 - Wed, Feb 18
Delta Logo
5:30 pm - 8:45 am
EWR
-
LHR
10h 15m
1 stop
Delta Logo
9:00 am - 2:55 pm
LHR
-
EWR
10h 55m
1 stop
$507Delta
Mon, Feb 23 - Sun, Mar 1

Icelandair flights from United States to London

Our best Icelandair deals on United States to London flight tickets
Icelandair
Jan 26
JFK7:25 pmNew York John F Kennedy Intl
10h 25m
1 stop
LHR10:50 amLondon Heathrow
Jan 30
LHR12:15 pmLondon Heathrow
10h 45m
1 stop
JFK6:00 pmNew York John F Kennedy Intl
$499
Icelandair
Feb 3
EWR7:35 pmNewark
10h 20m
1 stop
LGW10:55 amLondon Gatwick
Feb 10
LGW11:55 amLondon Gatwick
11h 30m
1 stop
EWR6:25 pmNewark
$503
Icelandair
Jan 20
EWR7:35 pmNewark
10h 15m
1 stop
LHR10:50 amLondon Heathrow
Nov 10
LHR12:15 pmLondon Heathrow
11h 10m
1 stop
EWR6:25 pmNewark
$516

Scandinavian Airlines flights from United States to London

Our best Scandinavian Airlines deals on United States to London flight tickets
Scandinavian Airlines
Feb 4
EWR5:30 pmNewark
14h 25m
2 stops
LHR12:55 pmLondon Heathrow
Feb 8
LHR6:40 amLondon Heathrow
11h 45m
1 stop
EWR1:25 pmNewark
$538
Scandinavian Airlines
Apr 15
IAD8:20 pmWashington, D.C. Dulles Intl
14h 40m
1 stop
LHR4:00 pmLondon Heathrow
Apr 25
LHR3:35 pmLondon Heathrow
30h 15m
2 stops
IAD4:50 pmWashington, D.C. Dulles Intl
$542
Scandinavian Airlines
Jan 28
EWR6:30 pmNewark
16h 55m
1 stop
LHR4:25 pmLondon Heathrow
Feb 11
LHR7:50 pmLondon Heathrow
22h 45m
2 stops
EWR1:35 pmNewark
$549

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 15, 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

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sun 1/25

9:50 pm-9:40 am

Nonstop6h 50m

London Heathrow

Thu 2/5

11:25 am-7:15 pm

1 stop12h 50m

$474

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 1/22

10:05 am-8:35 pm

2 stops29h 30m

London Heathrow

Thu 1/29

5:10 pm-1:05 pm

1 stop24h 55m

$475

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 1/21

3:20 pm-7:10 am

1 stop10h 50m

London Heathrow

Thu 2/5

1:25 pm-7:02 pm

1 stop10h 37m

$476

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 2/25

9:35 am-9:40 pm

Nonstop7h 05m

London Heathrow

Tue 3/3

7:25 am-10:48 am

Nonstop8h 23m

$476

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sun 2/1

9:50 pm-9:40 am

Nonstop6h 50m

London Heathrow

Sun 2/8

11:25 am-7:15 pm

1 stop12h 50m

$481

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 1/29

8:00 pm-12:00 pm

1 stop11h 00m

London Heathrow

Tue 2/10

8:50 am-7:29 pm

1 stop15h 39m

$483

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 2/11

7:15 pm-6:50 am

Nonstop6h 35m

London Heathrow

Fri 2/20

9:40 am-12:30 pm

Nonstop7h 50m

$494

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 3/12

10:15 am-7:10 am

1 stop16h 55m

London Heathrow

Tue 3/17

12:05 pm-9:20 pm

1 stop13h 15m

$495

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 2/13

6:00 am-8:35 pm

1 stop9h 35m

London Heathrow

Wed 2/18

1:45 pm-8:20 pm

1 stop11h 35m

$496

NewarkLondon

EWR - LHR

EWRLHR

Newark

Mon 2/23

5:30 pm-8:45 am

1 stop10h 15m

London Heathrow

Sun 3/1

9:00 am-2:55 pm

1 stop10h 55m

$507

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 $636. 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 $620 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 $586 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

$135

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 $135. The best round-trip flight deal from United States to London found on momondo in the last 72 hours is $400.
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 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
2,887 reviews
Search JetBlue flights
Norse Atlantic UKPriceFrom $129Free CancellationRating
7.2
51 reviews
Search Norse Atlantic UK flights
IcelandairPriceFrom $263Free CancellationRating
7.1
596 reviews
Search Icelandair flights
TAP AIR PORTUGALPriceFrom $293Free CancellationRating
7.1
2,121 reviews
Search TAP AIR PORTUGAL flights
SWISSPriceFrom $320Free CancellationRating
7.5
1,847 reviews
Search SWISS flights
Scandinavian AirlinesPriceFrom $334Free CancellationRating
7.3
1,652 reviews
Search Scandinavian Airlines flights
PLAYPriceFrom $380Free CancellationRating
7.0
103 reviews
Search PLAY flights
KLMPriceFrom $387Free CancellationRating
7.7
1,440 reviews
Search KLM flights
FinnairPriceFrom $401Free CancellationRating
7.6
1,349 reviews
Search Finnair flights
Aer LingusPriceFrom $408Free CancellationRating
7.2
1,435 reviews
Search Aer Lingus flights

Traveling to a place near London?

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

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 2/14
Sat 2/21

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