Flights to Washington

£452 Cheap flights to Washington

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight to Washington departing on 8/9. 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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Recent flights found to popular cities in Washington

Find flights to these popular cities in Washington from your nearest airport.
Icelandair
8 Sept
LGW
12h 55m
1 stop
SEA
30 Sept
SEA
11h 40m
1 stop
LGW
£452
Icelandair
9 Oct
LHR
12h 50m
1 stop
SEA
16 Oct
SEA
12h 15m
1 stop
LHR
£452
Icelandair
8 Sept
LHR
15h 35m
1 stop
SEA
30 Sept
SEA
20h 40m
1 stop
LHR
£453
Icelandair
7 Oct
LGW
34h 15m
1 stop
SEA
7 Nov
SEA
12h 20m
1 stop
LGW
£454
British Airways
26 Aug
LHR
9h 45m
SEA
9 Sept
SEA
9h 25m
LHR
£454
Icelandair
1 Nov
LGW
13h 05m
1 stop
SEA
20 Mar
SEA
15h 05m
1 stop
LGW
£455
Icelandair
4 Oct
LHR
15h 35m
1 stop
SEA
9 Oct
SEA
17h 20m
1 stop
LHR
£455
Icelandair
5 Sept
LGW
13h 00m
1 stop
SEA
18 Sept
SEA
15h 00m
1 stop
LGW
£456
Icelandair
29 Aug
LGW
28h 05m
1 stop
SEA
6 Sept
SEA
11h 40m
1 stop
LGW
£457
Condor
22 Sept
LGW
13h 20m
1 stop
SEA
6 Oct
SEA
16h 45m
1 stop
LGW
£458
Icelandair
20 Aug
LGW
28h 05m
1 stop
SEA
5 Sept
SEA
12h 05m
1 stop
LGW
£459
Icelandair
1 Sept
LGW
13h 00m
1 stop
SEA
10 Sept
SEA
11h 40m
1 stop
LGW
£459
Scandinavian Airlines
29 Sept
LHR
18h 29m
2 stops
GEG
6 Oct
GEG
19h 00m
2 stops
LHR
£575
Scandinavian Airlines
8 Sept
LHR
18h 29m
2 stops
GEG
6 Oct
GEG
20h 40m
2 stops
LHR
£581
Scandinavian Airlines
8 Sept
LHR
18h 29m
2 stops
GEG
6 Oct
GEG
20h 42m
2 stops
LHR
£582
Scandinavian Airlines
8 Sept
LHR
20h 10m
2 stops
GEG
6 Oct
GEG
21h 50m
3 stops
LHR
£584
Scandinavian Airlines
8 Sept
LHR
18h 29m
2 stops
GEG
6 Oct
GEG
21h 50m
3 stops
LHR
£585
Scandinavian Airlines
8 Sept
LHR
20h 10m
2 stops
GEG
6 Oct
GEG
21h 50m
3 stops
LHR
£585
Scandinavian Airlines
8 Sept
LHR
19h 45m
3 stops
GEG
6 Oct
GEG
21h 50m
3 stops
LHR
£586
Scandinavian Airlines
8 Sept
LHR
19h 45m
3 stops
GEG
6 Oct
GEG
21h 07m
3 stops
LHR
£588
Scandinavian Airlines
8 Sept
LHR
20h 10m
3 stops
GEG
6 Oct
GEG
21h 50m
3 stops
LHR
£590
United Airlines
2 Dec
LHR
32h 59m
2 stops
GEG
6 Dec
GEG
34h 25m
1 stop
LHR
£622
United Airlines
28 Sept
LHR
33h 11m
1 stop
GEG
8 Oct
GEG
22h 25m
2 stops
LHR
£623
United Airlines
2 Dec
LHR
32h 59m
2 stops
GEG
6 Dec
GEG
34h 25m
1 stop
LHR
£624
Alaska Airlines
7 Oct
LHR
28h 29m
1 stop
BLI
11 Oct
BLI
16h 56m
1 stop
LHR
£572
Alaska Airlines
7 Oct
LHR
28h 29m
1 stop
BLI
11 Oct
BLI
16h 56m
1 stop
LHR
£578
Alaska Airlines
1 Dec
LHR
34h 46m
1 stop
BLI
24 Dec
BLI
23h 06m
1 stop
LHR
£611
Alaska Airlines
7 Oct
LHR
37h 35m
2 stops
BLI
11 Oct
BLI
16h 56m
1 stop
LHR
£892
Alaska Airlines
7 Oct
LHR
28h 29m
1 stop
BLI
11 Oct
BLI
46h 45m
2 stops
LHR
£894
Alaska Airlines
7 Oct
LHR
28h 29m
1 stop
BLI
11 Oct
BLI
46h 45m
2 stops
LHR
£898
Alaska Airlines
1 Dec
LHR
34h 46m
1 stop
BLI
24 Dec
BLI
20h 20m
2 stops
LHR
£923
Alaska Airlines
7 Oct
LHR
37h 35m
2 stops
BLI
11 Oct
BLI
46h 45m
2 stops
LHR
£1,054
Alaska Airlines
7 Oct
LHR
37h 35m
2 stops
BLI
11 Oct
BLI
46h 45m
2 stops
LHR
£1,055
Alaska Airlines
7 Oct
LHR
37h 35m
2 stops
BLI
11 Oct
BLI
46h 45m
2 stops
LHR
£1,057
Alaska Airlines
7 Oct
LHR
37h 35m
2 stops
BLI
11 Oct
BLI
46h 45m
2 stops
LHR
£1,061
Alaska Airlines
1 Dec
LHR
29h 21m
2 stops
BLI
24 Dec
BLI
20h 20m
2 stops
LHR
£1,094
United Airlines
3 Dec
LHR
17h 27m
1 stop
PSC
7 Dec
PSC
20h 15m
1 stop
LHR
£712
United Airlines
3 Dec
LHR
17h 27m
1 stop
PSC
7 Dec
PSC
20h 15m
1 stop
LHR
£713
United Airlines
3 Dec
LHR
17h 27m
1 stop
PSC
7 Dec
PSC
20h 15m
1 stop
LHR
£714
Multiple Airlines
12 Aug
LHR
13h 58m
1 stop
PSC
19 Aug
PSC
14h 18m
1 stop
LHR
£918
Multiple Airlines
12 Aug
LHR
18h 57m
2 stops
PSC
19 Aug
PSC
14h 18m
1 stop
LHR
£919
Alaska Airlines
12 Aug
LHR
37h 17m
2 stops
PSC
19 Aug
PSC
24h 05m
2 stops
LHR
£955
United Airlines
15 Aug
EDI
17h 07m
2 stops
PSC
22 Aug
PSC
58h 50m
2 stops
EDI
£1,490

Find the cheapest flights from the United Kingdom to Washington

Recent return flight deals from the United Kingdom to Washington

Enter your travel dates to find the best prices.
Icelandair Logo
13:00 - 17:55
LGW
-
SEA
12h 55m
1 stop
Icelandair Logo
19:00 - 14:40
SEA
-
LGW
11h 40m
1 stop
£452Icelandair
Tue, 8 Sep - Wed, 30 Sep
Icelandair Logo
13:05 - 17:55
LHR
-
SEA
12h 50m
1 stop
Icelandair Logo
15:40 - 11:55
SEA
-
LHR
12h 15m
1 stop
£452Icelandair
Fri, 9 Oct - Fri, 16 Oct
Icelandair Logo
13:05 - 20:40
LHR
-
SEA
15h 35m
1 stop
Icelandair Logo
15:40 - 20:20
SEA
-
LHR
20h 40m
1 stop
£453Icelandair
Tue, 8 Sep - Wed, 30 Sep
British Airways Logo
09:50 - 11:35
LHR
-
SEA
9h 45mdirect
British Airways Logo
20:20 - 13:45
SEA
-
LHR
9h 25mdirect
£454British Airways
Wed, 26 Aug - Wed, 9 Sep
Lufthansa Logo
11:00 - 16:59
STN
-
SEA
13h 59m
1 stop
Lufthansa Logo
18:50 - 15:35
SEA
-
STN
12h 45m
1 stop
£514Lufthansa
Tue, 22 Sep - Tue, 6 Oct
Virgin Atlantic Logo
10:00 - 16:35
LCY
-
SEA
14h 35m
1 stop
Virgin Atlantic Logo
13:45 - 11:40
SEA
-
LCY
13h 55m
1 stop
£530Virgin Atlantic
Wed, 16 Sep - Fri, 9 Oct
Virgin Atlantic Logo
10:00 - 23:00
LCY
-
SEA
21h 00m
2 stops
Virgin Atlantic Logo
17:45 - 19:45
SEA
-
LCY
18h 00m
1 stop
£535Virgin Atlantic
Thu, 1 Oct - Sun, 11 Oct
KLM Logo
10:00 - 16:35
LCY
-
SEA
14h 35m
1 stop
KLM Logo
13:50 - 09:30
SEA
-
LCY
11h 40m
1 stop
£546KLM
Sat, 12 Sep - Fri, 18 Sep
Lufthansa Logo
18:30 - 11:55
LCY
-
SEA
25h 25m
1 stop
Lufthansa Logo
14:10 - 17:55
SEA
-
LCY
19h 45m
1 stop
£548Lufthansa
Mon, 14 Sep - Mon, 21 Sep
KLM Logo
19:00 - 11:10
LCY
-
PDX
24h 10m
1 stop
KLM Logo
13:05 - 08:50
PDX
-
LCY
11h 45m
1 stop
£833KLM
Tue, 1 Sep - Tue, 15 Sep

momondo Fare Finder

 
Locate flights to Washington that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 279,928 searches and data was last updated on 1 July 2026.
Use the filters below to find and compare flights to Washington that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Tue 8/9

13:00-17:55

1 stop12h 55m

Seattle/Tacoma Intl

Wed 30/9

19:00-14:40

1 stop11h 40m

£452

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Fri 9/10

13:05-17:55

1 stop12h 50m

Seattle/Tacoma Intl

Fri 16/10

15:40-11:55

1 stop12h 15m

£452

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 8/9

13:05-20:40

1 stop15h 35m

Seattle/Tacoma Intl

Wed 30/9

15:40-20:20

1 stop20h 40m

£453
Fastest return journey

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 26/8

09:50-11:35

Nonstop9h 45m

Seattle/Tacoma Intl

Wed 9/9

20:20-13:45

Nonstop9h 25m

£454

LondonSeattle

STN - SEA

STNSEA

London Stansted

Tue 22/9

11:00-16:59

1 stop13h 59m

Seattle/Tacoma Intl

Tue 6/10

18:50-15:35

1 stop12h 45m

£514

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 16/9

10:00-16:35

1 stop14h 35m

Seattle/Tacoma Intl

Fri 9/10

13:45-11:40

1 stop13h 55m

£530

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 1/10

10:00-23:00

2 stops21h 00m

Seattle/Tacoma Intl

Sun 11/10

17:45-19:45

1 stop18h 00m

£535

LondonSeattle

LCY - SEA

LCYSEA

London City

Sat 12/9

10:00-16:35

1 stop14h 35m

Seattle/Tacoma Intl

Fri 18/9

13:50-09:30

1 stop11h 40m

£546

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 14/9

18:30-11:55

1 stop25h 25m

Seattle/Tacoma Intl

Mon 21/9

14:10-17:55

1 stop19h 45m

£548

LondonPortland

LCY - PDX

LCYPDX

London City

Tue 1/9

19:00-11:10

1 stop24h 10m

Portland

Tue 15/9

13:05-08:50

1 stop11h 45m

£833

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Washington from

Washington flights insights and trends

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

What is the cheapest flight I can find to State of Washington?

The average flight to State of Washington costs £891/per person and the cheapest flight to State of Washington is £96/per person. This price varies based on a multitude of factors such as departure airport, airline, time of booking and when you plan on travelling.

See prices from:

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from United Kingdom to State of Washington is on a Thursday. Travellers who choose to depart for State of Washington on a Thursday will often find tickets for as low as £606. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to State of Washington on Sunday is £685.

Cheapest flights to cities in Washington

Click on the cities below to find out when it's cheapest to fly to Washington from United Kingdom
Seattle
Seattle

Cheap Washington flight deals and tips

Summary info about Washington flight prices, duration and airlines

Best One-Way Price

£276

Best Round-Trip Price

£452

Fastest flight time

12h 50m

Popular in

August
The best one-way flight price to Washington from United Kingdom in the last 5 days is £276 (London Stansted to Portland).
The best round-trip flight price to Washington from United Kingdom in the last 5 days is £452 (London Gatwick to Seattle/Tacoma Intl).
The fastest flight to Washington from United Kingdom takes 12h 50m (Manchester to Seattle/Tacoma Intl).
August has the highest demand for flights to Washington, with a 15% price increase on average.

Frequently asked questions about flying to Washington

What is the best airport to fly into to visit Seattle?

I plan on visiting Seattle Center. Which airport is the quickest drive?

For the quickest drive from an arrival airport to Seattle Center, fly into Seattle Airport or Everett Airport, which are closest to the area.

What are the most popular landmarks in State of Washington?

What is the weather like in State of Washington?

State of Washington typically has a temperature range from 5 °C(December) to 19 °C(July). Those looking to avoid rain and/or snow while visiting State of Washington should plan their trip in July, August, or September, as these months are relatively less likely to have precipitation.

Which airlines fly to State of Washington?

How much are flights to State of Washington?

Flights to State of Washington have been found on momondo for as low as £373 per ticket recently. However, the average price tends to be £1,830 and anything for £1,511 or less is a good deal. £9,149 is the most expensive flight we’ve seen in the past week, though you may be able to avoid this price depending on what airport you fly from, what airline you choose, and how far in advance you book your flights.

What is the best day of the week to fly to State of Washington?

If your travel plans are flexible and you’re looking to save money on flights to State of Washington, then be sure to book your departure on a Thursday. Flying out on a Thursday, as well as a Wednesday, is your best option. Departing on a Sunday tends to be the most expensive day of the week to fly to State of Washington.

When did momondo last update prices for flights to Washington?

Prices for flights to Washington were last updated today.

How many operators does momondo search for flights to Washington?

How old do you have to be to fly to Washington?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel to Washington.

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

The required travel and health documents for your Washington 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 Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal to Washington?

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 Washington.

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

Yes. momondo allows you to filter the results for flights to Washington to just show those with flexible booking policies.

How can momondo help me find flights to Washington?

momondo provides multiple filters to help you find the best flight to Washington. Filter by price, airline, airport, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight to Washington right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Washington trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

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