Flights to London

$173 Cheap flights to London

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to London departing on 3/22. 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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0 bags

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Find the cheapest flights from the United States to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
8:30 pm - 8:20 pm
JFK
-
LHR
18h 50m
1 stop
Icelandair Logo
1:05 pm - 10:05 pm
LHR
-
JFK
14h 00m
1 stop
$470Icelandair
Mon, Apr 13 - Mon, May 4
Multiple Airlines Logo
8:30 pm - 11:20 pm
JFK
-
STN
21h 50m
2 stops
Multiple Airlines Logo
6:30 am - 7:20 pm
STN
-
JFK
17h 50m
2 stops
$471Multiple Airlines
Fri, May 8 - Tue, May 12
Icelandair Logo
11:10 pm - 2:40 pm
JFK
-
LGW
10h 30m
1 stop
Icelandair Logo
1:00 pm - 7:20 pm
LGW
-
JFK
11h 20m
1 stop
$471Icelandair
Fri, May 1 - Tue, May 12
Scandinavian Airlines Logo
5:10 pm - 8:55 am
JFK
-
LHR
34h 45m
2 stops
Scandinavian Airlines Logo
7:05 am - 3:40 pm
LHR
-
JFK
13h 35m
1 stop
$474Scandinavian Airlines
Sun, Apr 19 - Wed, Apr 22
Norse Atlantic UK Logo
6:20 pm - 6:20 am
JFK
-
LGW
7h 00mnonstop
Norse Atlantic UK Logo
1:05 pm - 3:55 pm
LGW
-
JFK
7h 50mnonstop
$476Norse Atlantic UK
Thu, Apr 30 - Fri, May 29
Norse Atlantic UK Logo
6:20 pm - 6:20 am
JFK
-
LGW
7h 00mnonstop
Norse Atlantic UK Logo
1:05 pm - 3:55 pm
LGW
-
JFK
7h 50mnonstop
$477Norse Atlantic UK
Sun, Apr 19 - Thu, Apr 23
Scandinavian Airlines Logo
5:10 pm - 8:55 am
JFK
-
LHR
34h 45m
2 stops
Scandinavian Airlines Logo
7:05 am - 5:00 pm
LHR
-
JFK
14h 55m
2 stops
$482Scandinavian Airlines
Fri, May 8 - Mon, May 11
Air Canada Logo
3:35 pm - 10:00 am
BOS
-
LHR
13h 25m
1 stop
Air Canada Logo
8:40 am - 5:57 pm
LHR
-
BOS
14h 17m
2 stops
$496Air Canada
Mon, Apr 20 - Wed, Apr 22
Air Canada Logo
6:45 pm - 8:35 am
BOS
-
LHR
32h 50m
1 stop
Air Canada Logo
6:50 am - 2:52 pm
LHR
-
BOS
13h 02m
2 stops
$502Air Canada
Sun, Apr 26 - Wed, Apr 29
Virgin Atlantic Logo
3:05 pm - 7:10 am
LGA
-
LHR
11h 05m
1 stop
Virgin Atlantic Logo
11:15 am - 9:18 pm
LHR
-
LGA
15h 03m
1 stop
$558Virgin Atlantic
Wed, Apr 22 - Thu, May 7

momondo Fare Finder

 
Locate flights to London that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 832,500 searches and data was last updated on March 10, 2026.
Use the filters below to find and compare flights to London that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest round-trip

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 4/13

8:30 pm-8:20 pm

1 stop18h 50m

London Heathrow

Mon 5/4

1:05 pm-10:05 pm

1 stop14h 00m

$470

New YorkLondon

JFK - STN

JFKSTN

New York John F Kennedy Intl

Fri 5/8

8:30 pm-11:20 pm

2 stops21h 50m

London Stansted

Tue 5/12

6:30 am-7:20 pm

2 stops17h 50m

$471

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Fri 5/1

11:10 pm-2:40 pm

1 stop10h 30m

London Gatwick

Tue 5/12

1:00 pm-7:20 pm

1 stop11h 20m

$471

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sun 4/19

5:10 pm-8:55 am

2 stops34h 45m

London Heathrow

Wed 4/22

7:05 am-3:40 pm

1 stop13h 35m

$474
Quickest round-trip

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Thu 4/30

6:20 pm-6:20 am

Nonstop7h 00m

London Gatwick

Fri 5/29

1:05 pm-3:55 pm

Nonstop7h 50m

$476

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Sun 4/19

6:20 pm-6:20 am

Nonstop7h 00m

London Gatwick

Thu 4/23

1:05 pm-3:55 pm

Nonstop7h 50m

$477

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 5/8

5:10 pm-8:55 am

2 stops34h 45m

London Heathrow

Mon 5/11

7:05 am-5:00 pm

2 stops14h 55m

$482

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 4/20

3:35 pm-10:00 am

1 stop13h 25m

London Heathrow

Wed 4/22

8:40 am-5:57 pm

2 stops14h 17m

$496

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 4/26

6:45 pm-8:35 am

1 stop32h 50m

London Heathrow

Wed 4/29

6:50 am-2:52 pm

2 stops13h 02m

$502

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 4/22

3:05 pm-7:10 am

1 stop11h 05m

London Heathrow

Thu 5/7

11:15 am-9:18 pm

1 stop15h 03m

$558

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

London flights insights and trends

Explore insights for your London flight to craft the best travel plan

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 $504, 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 absolute cheapest flight to London?

The best deal found on momondo in the last two weeks was a flight to London from Milan for $23. This is 90% cheaper than most flight deals to London. To find the cheapest price to London from your area, use momondo’s Airport-to-Airport Pricing Tool.

See prices from:

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 $628. 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 $608 when looking at flights departing in the morning. Flights to London are more costly in the evening, with an average ticket price of $676. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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 $594 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 $577 on momondo.

Cheapest flights to London

Find the cheapest flights to London from your nearest city or airport
CHEAPEST MONTH TO FLY TO LONDON FROM LOS ANGELESSeptember18% cheaperFlying from Los Angeles to London costs on average just $586 in September
MOST EXPENSIVE MONTH TO FLY TO LONDON FROM LOS ANGELESDecember43% more expensiveIt costs about $1,023 for flights to London from Los Angeles in December
MOST POPULAR MONTH TO FLY TO LONDON FROM LOS ANGELESJuly291% more users visitedMore momondo users searched in flights to London from Los Angeles in July than any other month

Cheap London flight deals and tips

Summary info about London flight prices, duration and airlines

Best One-Way Price

$173

Best Round-Trip Price

$470

Fastest flight time

6h 55m

Popular in

December
The best one-way flight price to London from United States in the last 72 hours is $173 (New York John F Kennedy Intl to London Gatwick).
The best round-trip flight price to London from United States in the last 72 hours is $470 (New York John F Kennedy Intl to London Heathrow).
The fastest flight to London from United States takes 6h 55m (New York John F Kennedy Intl to London Gatwick).
December has the highest demand for flights to London, with a 4% price increase on average.

Frequently asked questions about flying to London

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

Most flyers found that booking tickets 82 days in advance of their planned departure date is the best time to get cheap flights to London. During this timeframe, flight prices are around $575. Don’t hesitate to check prices now though because momondo users recently found tickets for as low as $541.

Is there an alternative airport near London?

Finding an alternative and possibly cheaper destination airport near London is possible. If you are planning a flight to London, consider booking flights to London City Airport (8 mi from London city center), London Gatwick Airport (24 mi from London city center), London Luton Airport (28 mi from London city center), London Stansted Airport (31 mi from London city center) or London Southend Airport (36 mi from London city center).

Is there a cheaper alternative to flying into London?

With an average price of $104 per person, London Southend Airport is the cheapest airport to fly into when planning your trip to London. This price can fluctuate based on where you are flying from. momondo’s Airport-to-Airport Pricing Tool can help users find the best prices.

Are there flights to Soho?

Yes, if you fly to London Heathrow in London which is the closest available airport to Soho (14.1 mi away).

What’s the closest airport to Paddington Station?

The airport which is nearest to Paddington Station is London Heathrow. It is 12.4 mi away and is in London.

When did momondo last update prices for flights to London?

Prices for flights to London refresh daily.

How many operators does momondo search for flights to London?

How old do you have to be to fly 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 to London.

What documentation or ID do you need to fly to London?

The required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near London?

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

Why use momondo?

Why should I use momondo to find a flight deal 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.

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

Flights to London 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 to London?

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

Of course. momondo tracks the price of 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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Thu 4/9
Thu 4/16

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