Find cheap flights to London

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Seattle (SEA)
London (LON)
Wed 11/25
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Travel Restriction Alert

The COVID-19 (coronavirus) outbreak may impact travel to London. Current restrictions to London are based on United Kingdom travel restrictions.

View current United Kingdom travel restrictions

Cheapest flights to London airports

Find the cheapest flights to these London airports from your nearest city or airport
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When is the best time to fly to London?

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 Valencia for $14. This is 97% 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.

What is the cheapest month to fly to London?

The month of March is, on average, the cheapest month to fly to London from United States, with most prices found around $383. If you’re not able to fly to London in March, then May is your next best option. Flight prices from United States to London during May average around $386.

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

We recommend purchasing flights from United States to London 60 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to London for $453. Don’t hesitate to check prices now though because momondo users recently found tickets for as low as $345.

What is the cheapest day to depart on your flight to London?

According to our data, Wednesday is the cheapest day to fly to London from United States. The lowest ticket price found for a Wednesday departure recently was $466. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $521. 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 $467 when looking at flights departing at noon. Flights in the afternoon are often more expensive with an average ticket price of $509.

Is there a good place to hike near London?

Hikers looking for a more family-friendly day in the great outdoors would be best suited to plan their flight to London for May, June, and July, when they can visit Hyde Park and enjoy all that the park has to offer.

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 Heathrow Airport (14 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 $276 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.


What are the current travel restrictions for London?

Currently, United Kingdom travel restrictions include travel to London. Entry restrictions

The United Kingdom has not implemented any entry restrictions, but is monitoring direct flights into the country from certain areas. From November 5 to December 2, National restrictions in England is in effect. Travelling away from home, including internationally, is restricted from England except in limited circumstances such as for work or for education. From November 20, Scotland restricted cross-border travels within the UK, only essential travels—which includes health reasons, work and for study—will be allowed to enter and leave Scotland. People living within Level 3 or Level 4 lockdown areas in Scotland are also not permitted to leave their area, and banned from traveling overseas, though people in Level 0-2 are not. Different rules apply in Scotland, Wales, and Northern Ireland. Travelers must follow all the rules that apply to them. Certain areas of the UK and Crown Dependencies may have specific travel regulations. Check the relevant page for information related to travel to Jersey, Isle of Man, Shetland, and Orkney.

Entry requirements

All travelers entering the United Kingdom must present a completed "Public Health Passenger Locator Form" to immigration upon arrival.

Quarantine requirements

The UK government is updating a list of countries from which arriving travelers will not be required to self-isolate upon arrival, unless they’ve visited or stopped in any other country or territory in the preceding 14 days. The United Kingdom announced a mandatory 14-day quarantine for all travelers which started on June 8. Freight workers, medical professionals traveling to help with the fight against coronavirus, and travelers arriving from Ireland, the Channel Islands and the Isle of Man are exempt from the quarantine requirement. Note: The English, Scottish, Welsh, and Northern Irish governments may be applying quarantine requirements differently. Check for more information on travel to England, Scotland, Wales, and Northern Ireland.

All other info

All travelers on flights to the UK must wear face coverings on aircraft and on public transport upon arrival thereafter. Passengers using taxis and private hire vehicles should also use a face covering for the duration of their journey. Drivers may refuse to transport passengers who do not follow guidance for safe travel. Review the UK government’s entry requirements, and read more about travel restrictions for the UK.

If you are planning to travel to London at this time, it is recommended that you stay up to date on current restrictions and follow proper safety measures while in public.


London flight deals found on momondo

Check out some of the best fares from airports in United States to London found recently by users on momondo
Cheapest
Best
Quickest
Multiple Airlines
Apr 27
JFK
New York John F Kennedy Intl
7h 15m
LGW
London Gatwick
May 12
LGW
London Gatwick
13h 50m
1 stop
JFK
New York John F Kennedy Intl
Icelandair
Jan 20
JFK
New York John F Kennedy Intl
10h 25m
1 stop
LHR
London Heathrow
Jan 27
LHR
London Heathrow
11h 05m
1 stop
JFK
New York John F Kennedy Intl
Norwegian
May 19
JFK
New York John F Kennedy Intl
7h 15m
LGW
London Gatwick
May 31
LGW
London Gatwick
8h 00m
JFK
New York John F Kennedy Intl
TAP AIR PORTUGAL
Jan 15
BOS
Boston Logan Intl
10h 55m
1 stop
LHR
London Heathrow
Jan 21
LHR
London Heathrow
13h 40m
1 stop
BOS
Boston Logan Intl
Icelandair
Jan 20
JFK
New York John F Kennedy Intl
19h 00m
1 stop
LHR
London Heathrow
Feb 3
LHR
London Heathrow
11h 05m
1 stop
JFK
New York John F Kennedy Intl
Multiple Airlines
Apr 21
JFK
New York John F Kennedy Intl
7h 00m
LGW
London Gatwick
May 5
LGW
London Gatwick
8h 00m
JFK
New York John F Kennedy Intl

Find the cheapest one-way flights to London

If you're looking for one-way flights to London, view some of our deals below provided by TAP AIR PORTUGAL
Cheapest
Best
Quickest
TAP AIR PORTUGAL
Dec 20
ORD
Chicago O'Hare Intl
12h 20m
1 stop
LHR
London Heathrow
TAP AIR PORTUGAL
Dec 20
ORD
Chicago O'Hare Intl
22h 20m
1 stop
LHR
London Heathrow
TAP AIR PORTUGAL
Jan 10
ORD
Chicago O'Hare Intl
12h 20m
1 stop
LHR
London Heathrow

Which airlines fly to London?

Here you can see a selection of the most popular and cheapest airlines for flights to London

Popular routes to London

Most frequently searched flights to London along with the cheapest price and shortest flight duration
Dublin to London Flights
Fastest flight time
1h 35m
Cheapest price
$12
Prague to London Flights
Fastest flight time
2h 05m
Cheapest price
$56
Bucharest to London Flights
Fastest flight time
3h 10m
Cheapest price
$63
Geneva to London Flights
Fastest flight time
1h 35m
Cheapest price
$67
Barcelona to London Flights
Fastest flight time
2h 20m
Cheapest price
$73
Amsterdam to London Flights
Fastest flight time
1h 05m
Cheapest price
$83
Madrid to London Flights
Fastest flight time
2h 15m
Cheapest price
$85
Athens to London Flights
Fastest flight time
3h 55m
Cheapest price
$98
Sofia to London Flights
Fastest flight time
3h 20m
Cheapest price
$126
Stockholm to London Flights
Fastest flight time
2h 40m
Cheapest price
$143
Porto to London Flights
Fastest flight time
2h 20m
Cheapest price
$152
Bergen to London Flights
Fastest flight time
10h 00m
Cheapest price
$182
Kiev to London Flights
Fastest flight time
3h 35m
Cheapest price
$188
Oslo to London Flights
Fastest flight time
5h 25m
Cheapest price
$194
Rome to London Flights
Fastest flight time
2h 35m
Cheapest price
$212
Paris to London Flights
Fastest flight time
4h 20m
Cheapest price
$215
Lisbon to London Flights
Fastest flight time
2h 55m
Cheapest price
$220
Istanbul to London Flights
Fastest flight time
9h 05m
Cheapest price
$277
Aarhus to London Flights
Fastest flight time
13h 20m
Cheapest price
$283
Moscow to London Flights
Fastest flight time
7h 55m
Cheapest price
$392
View more

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