Flights to London

$174 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 1/21. 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.
Aer Lingus Logo
5:45 pm - 8:05 am
EWR
-
LHR
9h 20m1 stop
Aer Lingus Logo
9:50 am - 4:15 pm
LHR
-
EWR
11h 25m1 stop
$492Aer Lingus
Fri, Jan 9 - Thu, Jan 15
TAP AIR PORTUGAL Logo
5:40 pm - 9:50 am
EWR
-
LGW
11h 10m1 stop
TAP AIR PORTUGAL Logo
10:45 am - 11:00 pm
LGW
-
EWR
16h 15m1 stop
$492TAP AIR PORTUGAL
Wed, Feb 18 - Fri, Mar 20
Aer Lingus Logo
5:45 pm - 9:05 am
EWR
-
LHR
10h 20m1 stop
Aer Lingus Logo
7:50 am - 4:15 pm
LHR
-
EWR
13h 25m1 stop
$493Aer Lingus
Mon, Jan 12 - Sun, Jan 18
TAP AIR PORTUGAL Logo
11:55 pm - 9:50 am
EWR
-
LGW
28h 55m1 stop
TAP AIR PORTUGAL Logo
9:35 am - 10:10 pm
LGW
-
EWR
17h 35m2 stops
$493TAP AIR PORTUGAL
Sat, Jan 17 - Wed, Feb 18
American Airlines Logo
10:15 am - 10:10 pm
JFK
-
LHR
6h 55mnonstop
American Airlines Logo
11:25 am - 7:15 pm
LHR
-
JFK
12h 50m1 stop
$502American Airlines
Thu, Jan 8 - Thu, Jan 15
Iberia Logo
6:25 pm - 6:20 am
JFK
-
LHR
6h 55mnonstop
Iberia Logo
7:40 pm - 3:25 pm
LHR
-
JFK
24h 45m1 stop
$505Iberia
Thu, Jan 15 - Mon, Jan 19
United Airlines Logo
10:05 am - 7:10 am
JFK
-
LHR
16h 05m1 stop
United Airlines Logo
1:45 pm - 5:40 pm
LHR
-
JFK
31h 55m1 stop
$508United Airlines
Fri, Mar 6 - Mon, Mar 23
British Airways Logo
9:35 pm - 9:35 am
JFK
-
LHR
7h 00mnonstop
British Airways Logo
6:00 pm - 10:05 pm
LHR
-
JFK
8h 05mnonstop
$509British Airways
Fri, Mar 6 - Wed, Mar 11
United Airlines Logo
6:40 pm - 8:35 pm
BOS
-
LHR
20h 55m1 stop
United Airlines Logo
9:00 am - 5:14 pm
LHR
-
BOS
37h 14m2 stops
$509United Airlines
Wed, Jan 7 - Mon, Jan 12
British Airways Logo
7:15 pm - 7:00 am
BOS
-
LHR
6h 45mnonstop
British Airways Logo
7:10 pm - 9:55 pm
LHR
-
BOS
7h 45mnonstop
$510British Airways
Thu, Jan 8 - Sat, Feb 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 December 22, 2025.
Use the filters below to find and compare flights to London that are best for you.

Fly from

Route

Depart

Return

Price

NewarkLondon

EWR - LHR

EWRLHR

Newark

Fri 1/9

5:45 pm-8:05 am

1 stop9h 20m

London Heathrow

Thu 1/15

9:50 am-4:15 pm

1 stop11h 25m

$492

NewarkLondon

EWR - LGW

EWRLGW

Newark

Wed 2/18

5:40 pm-9:50 am

1 stop11h 10m

London Gatwick

Fri 3/20

10:45 am-11:00 pm

1 stop16h 15m

$492

NewarkLondon

EWR - LHR

EWRLHR

Newark

Mon 1/12

5:45 pm-9:05 am

1 stop10h 20m

London Heathrow

Sun 1/18

7:50 am-4:15 pm

1 stop13h 25m

$493

NewarkLondon

EWR - LGW

EWRLGW

Newark

Sat 1/17

11:55 pm-9:50 am

1 stop28h 55m

London Gatwick

Wed 2/18

9:35 am-10:10 pm

2 stops17h 35m

$493

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 1/8

10:15 am-10:10 pm

Nonstop6h 55m

London Heathrow

Thu 1/15

11:25 am-7:15 pm

1 stop12h 50m

$502

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 1/15

6:25 pm-6:20 am

Nonstop6h 55m

London Heathrow

Mon 1/19

7:40 pm-3:25 pm

1 stop24h 45m

$505

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 3/6

10:05 am-7:10 am

1 stop16h 05m

London Heathrow

Mon 3/23

1:45 pm-5:40 pm

1 stop31h 55m

$508

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 3/6

9:35 pm-9:35 am

Nonstop7h 00m

London Heathrow

Wed 3/11

6:00 pm-10:05 pm

Nonstop8h 05m

$509

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 1/7

6:40 pm-8:35 pm

1 stop20h 55m

London Heathrow

Mon 1/12

9:00 am-5:14 pm

2 stops37h 14m

$509

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 1/8

7:15 pm-7:00 am

Nonstop6h 45m

London Heathrow

Sat 2/7

7:10 pm-9:55 pm

Nonstop7h 45m

$510

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 January. Flight prices, which tend to average around $428, are often lower during this time because this is during the off-season. The month of September is another great option to travel to London, with average flight prices from United States averaging around $506.

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 Krakow for $26. 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 $634. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $680. 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 at noon is the least expensive time of day to depart. momondo users have found prices as low as $500 when looking at flights departing at noon. Flights to London are more costly in the evening, with an average ticket price of $679. 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 $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 $574 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 ANGELESSeptember17% cheaperFlying from Los Angeles to London costs on average just $593 in September
MOST EXPENSIVE MONTH TO FLY TO LONDON FROM LOS ANGELESDecember49% more expensiveIt costs about $1,069 for flights to London from Los Angeles in December
MOST POPULAR MONTH TO FLY TO LONDON FROM LOS ANGELESJune427% more users visitedMore momondo users searched in flights to London from Los Angeles in June than any other month

Cheap London flight deals and tips

Summary info about London flight prices, duration and airlines

Best One-Way Price

$174

Best Round-Trip Price

$492

Fastest flight time

7h 00m

Popular in

December
The best one-way flight price to London from United States in the last 72 hours is $174 (New York John F Kennedy Intl to London Heathrow).
The best round-trip flight price to London from United States in the last 72 hours is $492 (Newark to London Heathrow).
The fastest flight to London from United States takes 7h 00m (New York John F Kennedy Intl to London Gatwick).
December has the highest demand for flights to London, with a 0% 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 30 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 $576. 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 $122 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 Covent Garden?

Yes, if you fly to London Heathrow in London which is the closest available airport to Covent Garden (14.5 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
Dover
Luton
Slough
Guildford
Hayes
Dartford
Crawley
Brentwood
Wembley
Watford
Ilford
Cobham
Folkestone
Romford
Richmond
Uxbridge
Stansted

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
Wed 1/21
Wed 1/28

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