Flights to Washington

£477 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 10/12. 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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Recent flights found to popular cities in Washington

Find flights to these popular cities in Washington from your nearest airport.
Icelandair
10 Dec
LHR
12h 45m
1 stop
SEA
5 Jan
SEA
20h 55m
1 stop
LHR
Scandinavian Airlines
22 May
EDI
26h 35m
1 stop
SEA
29 May
SEA
18h 30m
1 stop
EDI
British Airways
16 May
LHR
15h 09m
1 stop
SEA
21 May
SEA
9h 15m
LHR
Iberia
1 Feb
LHR
45h 06m
2 stops
SEA
8 Feb
SEA
36h 00m
1 stop
LHR
British Airways
19 Apr
LHR
26h 59m
1 stop
SEA
26 Apr
SEA
9h 25m
LHR
Icelandair
16 Mar
LGW
13h 05m
1 stop
SEA
4 Apr
SEA
11h 40m
1 stop
LGW
British Airways
11 Mar
LCY
22h 43m
2 stops
SEA
17 Mar
SEA
23h 50m
2 stops
LCY
British Airways
12 Apr
LHR
15h 09m
1 stop
SEA
15 Apr
SEA
12h 57m
1 stop
LHR
British Airways
10 Mar
LCY
30h 35m
2 stops
SEA
17 Mar
SEA
23h 50m
2 stops
LCY
Air Canada
14 Mar
LHR
38h 06m
2 stops
SEA
4 Apr
SEA
20h 10m
2 stops
LHR
British Airways
13 Feb
LHR
10h 00m
SEA
19 Feb
SEA
13h 45m
1 stop
LHR
Icelandair
10 Apr
LGW
13h 05m
1 stop
SEA
20 Apr
SEA
14h 55m
1 stop
LGW
Lufthansa
5 Mar
LHR
19h 48m
2 stops
GEG
12 Mar
GEG
16h 18m
1 stop
LHR
United Airlines
5 Mar
LHR
40h 58m
2 stops
GEG
12 Mar
GEG
19h 10m
2 stops
LHR
Lufthansa
5 Mar
LHR
19h 48m
2 stops
GEG
12 Mar
GEG
25h 18m
2 stops
LHR
Lufthansa
4 Mar
LHR
20h 37m
2 stops
GEG
12 Mar
GEG
16h 18m
1 stop
LHR
United Airlines
4 May
LHR
43h 28m
2 stops
GEG
10 May
GEG
19h 08m
2 stops
LHR
Lufthansa
5 Mar
LHR
17h 43m
1 stop
GEG
12 Mar
GEG
16h 18m
1 stop
LHR
Lufthansa
4 Mar
LCY
19h 17m
2 stops
GEG
11 Mar
GEG
20h 57m
2 stops
LCY
United Airlines
3 Mar
LHR
17h 42m
1 stop
GEG
11 Mar
GEG
17h 23m
1 stop
LHR
United Airlines
11 Feb
LHR
17h 11m
1 stop
GEG
15 Feb
GEG
19h 50m
2 stops
LHR
Air Canada
2 Mar
LHR
38h 37m
2 stops
GEG
11 Mar
GEG
17h 30m
2 stops
LHR
United Airlines
4 May
LHR
14h 19m
1 stop
GEG
10 May
GEG
23h 08m
1 stop
LHR
Lufthansa
4 Mar
LHR
19h 47m
2 stops
GEG
17 Mar
GEG
12h 57m
1 stop
LHR
American Airlines
22 Jan
LHR
19h 25m
2 stops
BLI
25 Jan
BLI
29h 45m
2 stops
LHR
American Airlines
22 Jan
LHR
14h 25m
1 stop
BLI
25 Jan
BLI
37h 35m
2 stops
LHR
American Airlines
22 Jan
LHR
19h 15m
2 stops
BLI
25 Jan
BLI
21h 10m
2 stops
LHR
American Airlines
9 Dec
LHR
29h 48m
2 stops
PSC
13 Jan
PSC
17h 01m
1 stop
LHR
United Airlines
16 Jan
LHR
17h 38m
1 stop
PSC
20 Jan
PSC
17h 25m
1 stop
LHR
Multiple Airlines
10 Dec
LHR
19h 45m
1 stop
PSC
13 Jan
PSC
21h 05m
1 stop
LHR
United Airlines
16 Jan
LHR
17h 38m
1 stop
PSC
20 Jan
PSC
18h 25m
2 stops
LHR
American Airlines
7 Dec
LHR
30h 43m
2 stops
PSC
14 Jan
PSC
14h 28m
1 stop
LHR
American Airlines
16 Jan
LHR
19h 38m
2 stops
PSC
20 Jan
PSC
18h 16m
2 stops
LHR
United Airlines
9 Jan
LHR
21h 13m
2 stops
PSC
16 Jan
PSC
12h 55m
1 stop
LHR
Multiple Airlines
6 Dec
LHR
19h 45m
1 stop
PSC
15 Jan
PSC
14h 57m
1 stop
LHR
American Airlines
8 Dec
LHR
29h 18m
2 stops
PSC
12 Jan
PSC
14h 28m
1 stop
LHR
Multiple Airlines
6 Dec
LHR
19h 45m
1 stop
PSC
15 Jan
PSC
17h 20m
2 stops
LHR
American Airlines
7 Dec
LHR
29h 18m
2 stops
PSC
16 Jan
PSC
14h 28m
1 stop
LHR
Delta
9 Dec
LHR
16h 14m
1 stop
PSC
12 Jan
PSC
19h 05m
2 stops
LHR

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
12:15 - 17:00LHR-SEA
12h 45m1 stop
Icelandair Logo
14:35 - 19:30SEA-LHR
20h 55m1 stop
£477Icelandair
Find Deal
Wed, 10 Dec - Mon, 5 Jan
American Airlines Logo
11:20 - 13:17LGW-SEA
33h 57m2 stops
American Airlines Logo
06:00 - 09:00SEA-LGW
19h 00m2 stops
£479American Airlines
Find Deal
Thu, 8 Jan - Thu, 15 Jan
Icelandair Logo
15:40 - 17:50LGW-SEA
34h 10m1 stop
Icelandair Logo
19:00 - 14:40SEA-LGW
11h 40m1 stop
£480Icelandair
Find Deal
Fri, 1 May - Thu, 14 May
British Airways Logo
09:50 - 16:59LHR-SEA
15h 09m1 stop
British Airways Logo
13:35 - 06:50SEA-LHR
9h 15mdirect
£480British Airways
Find Deal
Sat, 16 May - Thu, 21 May
Iberia Logo
10:45 - 23:51LHR-SEA
45h 06m2 stops
Iberia Logo
10:50 - 06:50SEA-LHR
36h 00m1 stop
£481Iberia
Find Deal
Sun, 1 Feb - Sun, 8 Feb
British Airways Logo
22:00 - 16:59LHR-SEA
26h 59m1 stop
British Airways Logo
20:20 - 13:45SEA-LHR
9h 25mdirect
£482British Airways
Find Deal
Sun, 19 Apr - Sun, 26 Apr
Finnair Logo
08:20 - 23:09LHR-SEA
22h 49m1 stop
Finnair Logo
15:00 - 22:10SEA-LHR
23h 10m2 stops
£486Finnair
Find Deal
Thu, 12 Feb - Mon, 23 Feb
Virgin Atlantic Logo
17:50 - 11:50LCY-SEA
26h 00m1 stop
Virgin Atlantic Logo
15:10 - 17:20SEA-LCY
18h 10m1 stop
£488Virgin Atlantic
Find Deal
Mon, 12 Jan - Mon, 26 Jan
Lufthansa Logo
09:30 - 21:17LHR-GEG
19h 47m2 stops
Lufthansa Logo
13:43 - 09:40GEG-LHR
12h 57m1 stop
£548Lufthansa
Find Deal
Wed, 4 Mar - Tue, 17 Mar
Lufthansa Logo
09:30 - 21:07LHR-GEG
19h 37m2 stops
Lufthansa Logo
12:41 - 13:30GEG-LHR
17h 49m2 stops
£555Lufthansa
Find Deal
Wed, 4 Mar - Wed, 18 Mar

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 27 November 2025.
Use the filters below to find and compare flights to Washington that are best for you.

Fly from

Route

Depart

Return

Price

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 10/12

12:15-17:00

1 stop12h 45m

Seattle/Tacoma Intl

Mon 5/1

14:35-19:30

1 stop20h 55m

£477

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Thu 8/1

11:20-13:17

2 stops33h 57m

Seattle/Tacoma Intl

Thu 15/1

06:00-09:00

2 stops19h 00m

£479

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Fri 1/5

15:40-17:50

1 stop34h 10m

Seattle/Tacoma Intl

Thu 14/5

19:00-14:40

1 stop11h 40m

£480

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Sat 16/5

09:50-16:59

1 stop15h 09m

Seattle/Tacoma Intl

Thu 21/5

13:35-06:50

Nonstop9h 15m

£480

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Sun 1/2

10:45-23:51

2 stops45h 06m

Seattle/Tacoma Intl

Sun 8/2

10:50-06:50

1 stop36h 00m

£481

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Sun 19/4

22:00-16:59

1 stop26h 59m

Seattle/Tacoma Intl

Sun 26/4

20:20-13:45

Nonstop9h 25m

£482

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Thu 12/2

08:20-23:09

1 stop22h 49m

Seattle/Tacoma Intl

Mon 23/2

15:00-22:10

2 stops23h 10m

£486

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 12/1

17:50-11:50

1 stop26h 00m

Seattle/Tacoma Intl

Mon 26/1

15:10-17:20

1 stop18h 10m

£488

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Wed 4/3

09:30-21:17

2 stops19h 47m

Spokane

Tue 17/3

13:43-09:40

1 stop12h 57m

£548

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Wed 4/3

09:30-21:07

2 stops19h 37m

Spokane

Wed 18/3

12:41-13:30

2 stops17h 49m

£555

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 £947/per person and the cheapest flight to State of Washington is £22/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 Wednesday. Travellers who choose to depart for State of Washington on a Wednesday will often find tickets for as low as £600. 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 £690.

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

£270

Best Round-Trip Price

£477

Fastest flight time

19h 06m

Popular in

August
The best one-way flight price to Washington from United Kingdom in the last 72 hours is £270 (Manchester to Seattle/Tacoma Intl).
The best round-trip flight price to Washington from United Kingdom in the last 72 hours is £477 (London Heathrow to Seattle/Tacoma Intl).
The fastest flight to Washington from United Kingdom takes 19h 06m (London Heathrow to Seattle/Tacoma Intl).
August has the highest demand for flights to Washington, with a 17% 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 Space Needle. Which airport is the quickest drive?

For the quickest drive from an arrival airport to Space Needle, 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 £377 per ticket recently. However, the average price tends to be £1,725 and anything for £1,471 or less is a good deal. £16,006 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 Wednesday. Flying out on a Wednesday, as well as a Thursday, 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

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Sat 27/12
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