Flights to Washington

£468 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 18/11. 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
18 Nov
LHR
12h 45m
1 stop
SEA
25 Nov
SEA
12h 15m
1 stop
LHR
Multiple Airlines
16 Jan
STN
18h 30m
2 stops
SEA
20 Jan
SEA
19h 45m
2 stops
STN
Icelandair
2 Dec
LHR
28h 25m
1 stop
SEA
10 Dec
SEA
20h 55m
1 stop
LHR
Icelandair
8 Apr
LGW
13h 05m
1 stop
SEA
15 Apr
SEA
11h 40m
1 stop
LGW
Virgin Atlantic
16 Jan
LHR
23h 25m
1 stop
SEA
20 Jan
SEA
9h 30m
LHR
Icelandair
8 Apr
LHR
15h 40m
1 stop
SEA
15 Apr
SEA
20h 35m
1 stop
LHR
Icelandair
14 Dec
LHR
28h 25m
1 stop
SEA
11 Jan
SEA
20h 55m
1 stop
LHR
Icelandair
17 Nov
LHR
28h 25m
1 stop
SEA
30 Nov
SEA
20h 55m
1 stop
LHR
Multiple Airlines
16 Jan
LTN
19h 10m
2 stops
SEA
20 Jan
SEA
21h 30m
2 stops
LTN
British Airways
7 Feb
LHR
10h 00m
SEA
28 Feb
SEA
9h 35m
LHR
Virgin Atlantic
6 Feb
LHR
15h 00m
1 stop
SEA
15 Feb
SEA
9h 35m
LHR
Virgin Atlantic
10 Mar
LHR
13h 05m
1 stop
SEA
17 Mar
SEA
9h 30m
LHR
United Airlines
10 Mar
LHR
21h 45m
2 stops
GEG
17 Mar
GEG
16h 30m
1 stop
LHR
United Airlines
10 Mar
LHR
21h 45m
2 stops
GEG
17 Mar
GEG
17h 25m
1 stop
LHR
United Airlines
10 Mar
LHR
15h 30m
1 stop
GEG
17 Mar
GEG
16h 50m
1 stop
LHR
United Airlines
10 Mar
LHR
16h 34m
1 stop
GEG
17 Mar
GEG
16h 30m
1 stop
LHR
Icelandair
10 Mar
LGW
16h 04m
2 stops
GEG
17 Mar
GEG
15h 55m
2 stops
LGW
Icelandair
10 Mar
LGW
16h 04m
2 stops
GEG
17 Mar
GEG
15h 55m
2 stops
LGW
United Airlines
13 Mar
LHR
32h 30m
2 stops
GEG
27 Mar
GEG
33h 50m
1 stop
LHR
United Airlines
6 Feb
LHR
20h 41m
2 stops
GEG
20 Feb
GEG
20h 15m
1 stop
LHR
Lufthansa
4 May
LHR
36h 44m
2 stops
GEG
10 May
GEG
31h 38m
2 stops
LHR
Virgin Atlantic
8 Dec
LHR
34h 49m
2 stops
GEG
23 Dec
GEG
12h 45m
1 stop
LHR
Virgin Atlantic
8 Dec
LHR
17h 05m
1 stop
GEG
23 Dec
GEG
12h 45m
1 stop
LHR
United Airlines
10 Jan
LHR
17h 47m
1 stop
GEG
24 Jan
GEG
15h 50m
1 stop
LHR
American Airlines
18 Mar
LHR
16h 06m
1 stop
BLI
22 Mar
BLI
39h 40m
2 stops
LHR
American Airlines
18 Mar
LHR
22h 41m
2 stops
BLI
22 Mar
BLI
27h 50m
2 stops
LHR
American Airlines
18 Mar
LHR
16h 06m
1 stop
BLI
22 Mar
BLI
24h 00m
1 stop
LHR
American Airlines
18 Mar
LHR
16h 06m
1 stop
BLI
22 Mar
BLI
21h 10m
1 stop
LHR
United Airlines
6 Mar
LHR
28h 16m
2 stops
PSC
10 Mar
PSC
13h 55m
1 stop
LHR
United Airlines
5 Mar
LHR
17h 14m
1 stop
PSC
9 Mar
PSC
13h 55m
1 stop
LHR
United Airlines
5 Mar
LHR
17h 14m
1 stop
PSC
9 Mar
PSC
21h 35m
1 stop
LHR
Delta
5 Mar
LHR
17h 48m
2 stops
PSC
9 Mar
PSC
17h 35m
2 stops
LHR
United Airlines
18 Dec
LHR
23h 05m
2 stops
PSC
25 Dec
PSC
19h 30m
2 stops
LHR
United Airlines
18 Dec
LHR
19h 30m
1 stop
PSC
25 Dec
PSC
19h 30m
2 stops
LHR
United Airlines
18 Dec
LHR
15h 50m
1 stop
PSC
25 Dec
PSC
12h 55m
1 stop
LHR
United Airlines
20 Dec
LHR
16h 47m
1 stop
PSC
27 Dec
PSC
33h 30m
1 stop
LHR
United Airlines
20 Dec
LHR
20h 32m
2 stops
PSC
27 Dec
PSC
23h 50m
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 - 10:50SEA-LHR
12h 15m1 stop
£468Icelandair
Find Deal
Tue, 18 Nov - Tue, 25 Nov
Multiple Airlines Logo
06:30 - 17:00STN-SEA
18h 30m2 stops
Multiple Airlines Logo
14:35 - 18:20SEA-STN
19h 45m2 stops
£469Multiple Airlines
Find Deal
Fri, 16 Jan - Tue, 20 Jan
Icelandair Logo
20:35 - 17:00LHR-SEA
28h 25m1 stop
Icelandair Logo
14:35 - 19:30SEA-LHR
20h 55m1 stop
£469Icelandair
Find Deal
Tue, 2 Dec - Wed, 10 Dec
Virgin Atlantic Logo
20:25 - 11:50LHR-SEA
23h 25m1 stop
Virgin Atlantic Logo
19:20 - 12:50SEA-LHR
9h 30mdirect
£471Virgin Atlantic
Find Deal
Fri, 16 Jan - Tue, 20 Jan
British Airways Logo
14:55 - 16:55LHR-SEA
10h 00mdirect
British Airways Logo
13:35 - 07:10SEA-LHR
9h 35mdirect
£476British Airways
Find Deal
Sat, 7 Feb - Sat, 28 Feb
Virgin Atlantic Logo
06:20 - 13:20LHR-SEA
15h 00m1 stop
Virgin Atlantic Logo
16:55 - 10:30SEA-LHR
9h 35mdirect
£476Virgin Atlantic
Find Deal
Fri, 6 Feb - Sun, 15 Feb
British Airways Logo
09:25 - 11:30LHR-SEA
10h 05mdirect
British Airways Logo
18:50 - 12:20SEA-LHR
9h 30mdirect
£479British Airways
Find Deal
Sat, 28 Feb - Sat, 7 Mar
Air France Logo
09:20 - 11:50LCY-SEA
34h 30m1 stop
Air France Logo
15:10 - 16:35SEA-LCY
17h 25m1 stop
£554Air France
Find Deal
Fri, 23 Jan - Thu, 29 Jan
KLM Logo
05:50 - 11:50EDI-SEA
14h 00m1 stop
KLM Logo
15:05 - 23:10SEA-EDI
24h 05m1 stop
£639KLM
Find Deal
Wed, 3 Dec - Mon, 29 Dec
KLM Logo
20:30 - 11:50EDI-SEA
23h 20m1 stop
KLM Logo
15:05 - 23:10SEA-EDI
24h 05m1 stop
£766KLM
Find Deal
Sun, 14 Dec - Fri, 26 Dec

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 6 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

Tue 18/11

12:15-17:00

1 stop12h 45m

Seattle/Tacoma Intl

Tue 25/11

14:35-10:50

1 stop12h 15m

£468

LondonSeattle

STN - SEA

STNSEA

London Stansted

Fri 16/1

06:30-17:00

2 stops18h 30m

Seattle/Tacoma Intl

Tue 20/1

14:35-18:20

2 stops19h 45m

£469

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 2/12

20:35-17:00

1 stop28h 25m

Seattle/Tacoma Intl

Wed 10/12

14:35-19:30

1 stop20h 55m

£469

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Fri 16/1

20:25-11:50

1 stop23h 25m

Seattle/Tacoma Intl

Tue 20/1

19:20-12:50

Nonstop9h 30m

£471

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Sat 7/2

14:55-16:55

Nonstop10h 00m

Seattle/Tacoma Intl

Sat 28/2

13:35-07:10

Nonstop9h 35m

£476

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Fri 6/2

06:20-13:20

1 stop15h 00m

Seattle/Tacoma Intl

Sun 15/2

16:55-10:30

Nonstop9h 35m

£476

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Sat 28/2

09:25-11:30

Nonstop10h 05m

Seattle/Tacoma Intl

Sat 7/3

18:50-12:20

Nonstop9h 30m

£479

LondonSeattle

LCY - SEA

LCYSEA

London City

Fri 23/1

09:20-11:50

1 stop34h 30m

Seattle/Tacoma Intl

Thu 29/1

15:10-16:35

1 stop17h 25m

£554

EdinburghSeattle

EDI - SEA

EDISEA

Edinburgh Turnhouse

Wed 3/12

05:50-11:50

1 stop14h 00m

Seattle/Tacoma Intl

Mon 29/12

15:05-23:10

1 stop24h 05m

£639

EdinburghSeattle

EDI - SEA

EDISEA

Edinburgh Turnhouse

Sun 14/12

20:30-11:50

1 stop23h 20m

Seattle/Tacoma Intl

Fri 26/12

15:05-23:10

1 stop24h 05m

£766

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 £810/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 £608. 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 £703.

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

£279

Best Round-Trip Price

£468

Fastest flight time

18h 20m

Popular in

August
The best one-way flight price to Washington from United Kingdom in the last 72 hours is £279 (London Gatwick to Portland).
The best round-trip flight price to Washington from United Kingdom in the last 72 hours is £468 (London Heathrow to Seattle/Tacoma Intl).
The fastest flight to Washington from United Kingdom takes 18h 20m (London Heathrow to Portland).
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 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 £426 per ticket recently. However, the average price tends to be £1,570 and anything for £1,288 or less is a good deal. £16,210 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 Tuesday, 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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