Flights to London

$284 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 8/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 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.
Multiple Airlines Logo
3:30 pm - 6:30 am
LGA
-
LHR
10h 00m
1 stop
Multiple Airlines Logo
10:00 pm - 10:35 pm
LHR
-
LGA
29h 35m
2 stops
$723Multiple Airlines
Fri, Aug 7 - Sun, Aug 23
Icelandair Logo
8:30 pm - 11:55 am
JFK
-
LHR
10h 25m
1 stop
Icelandair Logo
9:25 pm - 10:05 pm
LHR
-
JFK
29h 40m
1 stop
$723Icelandair
Wed, Jul 22 - Sun, Jul 26
Multiple Airlines Logo
6:25 pm - 6:30 pm
JFK
-
STN
19h 05m
1 stop
Multiple Airlines Logo
8:15 am - 4:55 pm
STN
-
JFK
13h 40m
1 stop
$723Multiple Airlines
Thu, Sep 10 - Mon, Sep 14
TAP AIR PORTUGAL Logo
10:05 pm - 3:10 pm
JFK
-
LGW
12h 05m
1 stop
TAP AIR PORTUGAL Logo
10:35 am - 8:05 pm
LGW
-
JFK
14h 30m
1 stop
$723TAP AIR PORTUGAL
Sun, Sep 27 - Tue, Oct 13
Virgin Atlantic Logo
8:00 pm - 10:40 am
LGA
-
LHR
9h 40m
1 stop
Virgin Atlantic Logo
6:30 am - 4:25 pm
LHR
-
LGA
14h 55m
2 stops
$724Virgin Atlantic
Thu, Aug 27 - Sat, Aug 29
Icelandair Logo
8:30 pm - 11:55 am
JFK
-
LHR
10h 25m
1 stop
Icelandair Logo
1:05 pm - 7:20 pm
LHR
-
JFK
11h 15m
1 stop
$724Icelandair
Sun, Jul 19 - Fri, Jul 24
Virgin Atlantic Logo
1:25 pm - 9:30 am
JFK
-
LCY
15h 05m
2 stops
Virgin Atlantic Logo
9:20 am - 5:05 pm
LCY
-
JFK
12h 45m
1 stop
$777Virgin Atlantic
Wed, Sep 23 - Fri, Sep 25
Iberia Logo
10:25 pm - 10:50 am
IAD
-
LHR
7h 25mnonstop
Iberia Logo
11:30 am - 6:50 pm
LHR
-
IAD
12h 20m
1 stop
$884Iberia
Tue, Aug 4 - Tue, Aug 18
Delta Logo
10:55 pm - 11:20 am
IAD
-
LHR
7h 25mnonstop
Delta Logo
9:55 am - 3:35 pm
LHR
-
IAD
10h 40m
1 stop
$888Delta
Mon, Aug 3 - Thu, Aug 13
United Airlines Logo
6:30 pm - 6:55 am
IAD
-
LHR
7h 25mnonstop
United Airlines Logo
12:10 pm - 4:45 pm
LHR
-
IAD
33h 35m
1 stop
$889United Airlines
Mon, Aug 3 - Mon, Aug 17

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 June 14, 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

LGA - LHR

LGALHR

New York LaGuardia

Fri 8/7

3:30 pm-6:30 am

1 stop10h 00m

London Heathrow

Sun 8/23

10:00 pm-10:35 pm

2 stops29h 35m

$723

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 7/22

8:30 pm-11:55 am

1 stop10h 25m

London Heathrow

Sun 7/26

9:25 pm-10:05 pm

1 stop29h 40m

$723

New YorkLondon

JFK - STN

JFKSTN

New York John F Kennedy Intl

Thu 9/10

6:25 pm-6:30 pm

1 stop19h 05m

London Stansted

Mon 9/14

8:15 am-4:55 pm

1 stop13h 40m

$723

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Sun 9/27

10:05 pm-3:10 pm

1 stop12h 05m

London Gatwick

Tue 10/13

10:35 am-8:05 pm

1 stop14h 30m

$723

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 8/27

8:00 pm-10:40 am

1 stop9h 40m

London Heathrow

Sat 8/29

6:30 am-4:25 pm

2 stops14h 55m

$724

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sun 7/19

8:30 pm-11:55 am

1 stop10h 25m

London Heathrow

Fri 7/24

1:05 pm-7:20 pm

1 stop11h 15m

$724

New YorkLondon

JFK - LCY

JFKLCY

New York John F Kennedy Intl

Wed 9/23

1:25 pm-9:30 am

2 stops15h 05m

London City

Fri 9/25

9:20 am-5:05 pm

1 stop12h 45m

$777

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Tue 8/4

10:25 pm-10:50 am

Nonstop7h 25m

London Heathrow

Tue 8/18

11:30 am-6:50 pm

1 stop12h 20m

$884
Quickest round-trip

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Mon 8/3

10:55 pm-11:20 am

Nonstop7h 25m

London Heathrow

Thu 8/13

9:55 am-3:35 pm

1 stop10h 40m

$888

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Mon 8/3

6:30 pm-6:55 am

Nonstop7h 25m

London Heathrow

Mon 8/17

12:10 pm-4:45 pm

1 stop33h 35m

$889

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 $510, 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 Glasgow for $21. This is 93% 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 $664. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $731. 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 $654 when looking at flights departing in the morning. Flights to London are more costly in the evening, with an average ticket price of $719. 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 $634 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 $580 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 ANGELESSeptember24% cheaperFlying from Los Angeles to London costs on average just $586 in September
MOST EXPENSIVE MONTH TO FLY TO LONDON FROM LOS ANGELESJune38% more expensiveIt costs about $1,070 for flights to London from Los Angeles in June
MOST POPULAR MONTH TO FLY TO LONDON FROM LOS ANGELESJuly363% 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

$284

Best Round-Trip Price

$723

Fastest flight time

7h 05m

Popular in

June
The best one-way flight price to London from United States in the last 5 days is $284 (New York LaGuardia to London Heathrow).
The best round-trip flight price to London from United States in the last 5 days is $723 (New York LaGuardia to London Heathrow).
The fastest flight to London from United States takes 7h 05m (Newark to London Heathrow).
June has the highest demand for flights to London, with a 18% 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 66 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 $618. Don’t hesitate to check prices now though because momondo users recently found tickets for as low as $533.

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 $138 per person, London Stansted 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
Hounslow
Gatwick
Milton Keynes
Luton
Dover
Hayes
Crawley
Croydon
Wembley
Stansted
Harrow
Slough
Brentwood
Watford
Cobham
Guildford
Folkestone
Uxbridge
Romford
Chelmsford

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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1 adult
Tue 7/14
Tue 7/21

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