Find cheap flights to London

YXU

Find cheap flights to London

Round-trip
Economy
Washington (WAS)
London
Tue 9/29
Tue 10/6
Any month
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Good to know

Low season

April Best time to beat the crowds with an average 7% drop in price.

High season

January Most popular time to fly with an average 16% increase in price.

Average price of a round-trip

$468 (avg. price over the last 2 weeks)

Good deal for a round-trip

$130 or less

Top tips for finding cheap flights to London

  • Looking for cheap airfare to London? 25% of our users found round-trip tickets to London for the following prices or less: From San Diego $305, from Los Angeles $353, from Houston George Bush Intcntl $463
  • High season is considered to be May, June and July. The cheapest month to fly to London is April.
  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest London flight deals.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

FAQs - booking London flights

Are there London travel restrictions currently due to Coronavirus?

What is the cheapest flight to London?

How far is London Airport from central London?

What is the name of London’s airport?

Are there London travel restrictions currently due to Coronavirus?

How does KAYAK find such low prices on flights to London?

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket to London?

What is the Hacker Fare option on flights to London?

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight to London?

Top airline flying to London

Scores according to KAYAK customer reviews

7.9
Delta
Overall score based on 28,644 reviews
8.1
Boarding
7.8
Comfort
8.5
Crew
7.8
Entertainment
7.5
Food
Airline reviews
Read more about Delta

Book Cheap London Plane Tickets

Recent round-trip flight deals

11/18
Wed
1 stop
Multiple Airlines
4h 21m
PHL - YXU
11/19
Thu
1 stop
Multiple Airlines
5h 56m
YXU - PHL
1/6
Wed
1 stop
Delta
5h 58m
LGA - YXU
1/10
Sun
1 stop
Delta
5h 35m
YXU - LGA
11/18
Wed
1 stop
Multiple Airlines
4h 21m
PHL - YXU
11/19
Thu
1 stop
Multiple Airlines
5h 56m
YXU - PHL
10/25
Sun
2 stops
Multiple Airlines
30h 49m
PHL - YXU
10/28
Wed
2 stops
Multiple Airlines
9h 00m
YXU - PHL
3/2
Tue
2 stops
Delta
12h 26m
MYR - YXU
3/16
Tue
2 stops
Delta
13h 06m
YXU - MYR
10/23
Fri
2 stops
Multiple Airlines
22h 39m
LGA - YXU
10/26
Mon
1 stop
Multiple Airlines
3h 30m
YXU - LGA
10/27
Tue
2 stops
Multiple Airlines
30h 49m
PHL - YXU
10/30
Fri
2 stops
Multiple Airlines
9h 00m
YXU - PHL
11/8
Sun
1 stop
Delta
5h 27m
BOS - YXU
11/12
Thu
1 stop
Delta
5h 26m
YXU - BOS
10/20
Tue
2 stops
Multiple Airlines
32h 16m
SEA - YXU
10/24
Sat
2 stops
Multiple Airlines
13h 44m
YXU - SEA
10/20
Tue
2 stops
Multiple Airlines
12h 14m
SEA - YXU
10/24
Sat
2 stops
Multiple Airlines
17h 14m
YXU - SEA
10/23
Fri
2 stops
Multiple Airlines
6h 24m
LGA - YXU
10/26
Mon
1 stop
Multiple Airlines
3h 25m
YXU - LGA
2/2
Tue
2 stops
Delta
9h 52m
MYR - YXU
2/16
Tue
2 stops
Delta
10h 43m
YXU - MYR
11/3
Tue
2 stops
Multiple Airlines
16h 01m
SEA - YXU
11/6
Fri
2 stops
Multiple Airlines
12h 03m
YXU - SEA
10/31
Sat
2 stops
Multiple Airlines
12h 14m
SAN - YXU
11/4
Wed
2 stops
Multiple Airlines
19h 07m
YXU - SAN
11/4
Wed
2 stops
Multiple Airlines
9h 06m
SEA - YXU
11/7
Sat
2 stops
Multiple Airlines
11h 48m
YXU - SEA
11/5
Thu
2 stops
Delta
9h 32m
SFO - YXU
11/8
Sun
2 stops
Delta
12h 49m
YXU - SFO
10/30
Fri
2 stops
Multiple Airlines
25h 37m
SAN - YXU
11/3
Tue
2 stops
Multiple Airlines
11h 22m
YXU - SAN
11/1
Sun
2 stops
Multiple Airlines
11h 41m
SEA - YXU
11/5
Thu
2 stops
Multiple Airlines
12h 03m
YXU - SEA
10/24
Sat
2 stops
Multiple Airlines
12h 14m
SAN - YXU
10/26
Mon
2 stops
Multiple Airlines
28h 14m
YXU - SAN
11/6
Fri
2 stops
Multiple Airlines
11h 34m
BOS - YXU
11/7
Sat
1 stop
Multiple Airlines
5h 40m
YXU - BOS
Show more results

Recent one-way flight deals

10/10
Sat
2 stops
Multiple Airlines
9h 14m
IAH - YXU
10/10
Sat
2 stops
Multiple Airlines
9h 14m
IAH - YXU

Search by stops

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*
Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
please send us an and someone from our team will get back to you promptly.

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