Flights to Washington

£446 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 5/11. 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
5 Nov
LHR
12h 45m
1 stop
SEA
29 Apr
SEA
32h 55m
1 stop
LHR
Icelandair
12 Mar
LGW
13h 05m
1 stop
SEA
26 Mar
SEA
12h 20m
1 stop
LGW
Icelandair
14 Dec
LHR
28h 25m
1 stop
SEA
6 Jan
SEA
20h 55m
1 stop
LHR
Icelandair
19 Nov
LHR
12h 45m
1 stop
SEA
26 Nov
SEA
12h 15m
1 stop
LHR
Icelandair
24 Nov
LGW
13h 05m
1 stop
SEA
1 Dec
SEA
12h 20m
1 stop
LGW
Icelandair
16 Dec
LGW
13h 05m
1 stop
SEA
15 Jan
SEA
12h 20m
1 stop
LGW
Icelandair
3 Nov
LHR
28h 25m
1 stop
SEA
10 Nov
SEA
12h 15m
1 stop
LHR
Icelandair
5 Nov
LHR
12h 45m
1 stop
SEA
12 Nov
SEA
12h 15m
1 stop
LHR
Icelandair
10 Nov
LHR
28h 25m
1 stop
SEA
17 Nov
SEA
20h 55m
1 stop
LHR
Icelandair
10 Nov
LGW
13h 05m
1 stop
SEA
17 Nov
SEA
12h 20m
1 stop
LGW
Icelandair
12 Nov
LGW
13h 05m
1 stop
SEA
17 Nov
SEA
12h 20m
1 stop
LGW
Icelandair
4 Nov
LGW
13h 05m
1 stop
SEA
11 Nov
SEA
12h 20m
1 stop
LGW
United Airlines
19 Nov
LHR
22h 29m
2 stops
GEG
26 Nov
GEG
34h 40m
1 stop
LHR
United Airlines
2 Mar
LHR
20h 07m
2 stops
GEG
9 Mar
GEG
17h 15m
2 stops
LHR
United Airlines
10 Mar
LHR
21h 45m
2 stops
GEG
17 Mar
GEG
16h 50m
1 stop
LHR
United Airlines
10 Mar
LHR
21h 45m
2 stops
GEG
17 Mar
GEG
17h 25m
1 stop
LHR
Lufthansa
19 Nov
LHR
17h 10m
1 stop
GEG
26 Nov
GEG
17h 25m
1 stop
LHR
United Airlines
19 Nov
LHR
17h 44m
1 stop
GEG
26 Nov
GEG
15h 15m
1 stop
LHR
Multiple Airlines
2 Mar
LCY
19h 17m
2 stops
GEG
9 Mar
GEG
23h 45m
2 stops
LCY
Multiple Airlines
2 Mar
LCY
19h 17m
2 stops
GEG
9 Mar
GEG
20h 10m
3 stops
LCY
United Airlines
2 Mar
LHR
17h 42m
1 stop
GEG
9 Mar
GEG
16h 30m
1 stop
LHR
United Airlines
10 Mar
LHR
16h 34m
1 stop
GEG
17 Mar
GEG
17h 25m
1 stop
LHR
Lufthansa
5 Dec
LHR
22h 24m
2 stops
GEG
7 Dec
GEG
34h 52m
1 stop
LHR
Lufthansa
5 Dec
LHR
22h 24m
2 stops
GEG
12 Dec
GEG
16h 25m
1 stop
LHR
American Airlines
18 Mar
LHR
16h 06m
1 stop
BLI
22 Mar
BLI
42h 05m
2 stops
LHR
American Airlines
18 Mar
LHR
20h 56m
2 stops
BLI
22 Mar
BLI
39h 40m
2 stops
LHR
American Airlines
18 Mar
LHR
20h 46m
2 stops
BLI
22 Mar
BLI
39h 40m
2 stops
LHR
United Airlines
5 Mar
LHR
17h 14m
1 stop
PSC
9 Mar
PSC
21h 35m
1 stop
LHR
United Airlines
5 Mar
LHR
17h 14m
1 stop
PSC
9 Mar
PSC
21h 35m
1 stop
LHR
United Airlines
5 Mar
LHR
21h 09m
2 stops
PSC
9 Mar
PSC
13h 55m
1 stop
LHR
Delta
3 Nov
LHR
18h 02m
2 stops
PSC
7 Nov
PSC
14h 20m
1 stop
LHR
Delta
3 Nov
LHR
18h 02m
2 stops
PSC
7 Nov
PSC
17h 05m
1 stop
LHR
United Airlines
3 Nov
LHR
17h 22m
1 stop
PSC
7 Nov
PSC
12h 55m
1 stop
LHR
United Airlines
3 Nov
LHR
17h 22m
1 stop
PSC
7 Nov
PSC
20h 35m
1 stop
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
19:00 - 11:55SEA-LHR
32h 55m1 stop
£446Icelandair
Find Deal
Wed, 5 Nov - Wed, 29 Apr
Icelandair Logo
11:55 - 18:00LGW-SEA
13h 05m1 stop
Icelandair Logo
15:35 - 10:55SEA-LGW
12h 20m1 stop
£446Icelandair
Find Deal
Thu, 12 Mar - Thu, 26 Mar
Icelandair Logo
20:35 - 17:00LHR-SEA
28h 25m1 stop
Icelandair Logo
14:35 - 19:30SEA-LHR
20h 55m1 stop
£449Icelandair
Find Deal
Sun, 14 Dec - Tue, 6 Jan
Virgin Atlantic Logo
14:45 - 11:25LHR-SEA
28h 40m1 stop
Virgin Atlantic Logo
16:48 - 10:30SEA-LHR
9h 42mdirect
£473Virgin Atlantic
Find Deal
Wed, 24 Dec - Wed, 31 Dec
Virgin Atlantic Logo
06:20 - 12:25LHR-SEA
13h 05m1 stop
Virgin Atlantic Logo
20:20 - 12:50SEA-LHR
9h 30mdirect
£478Virgin Atlantic
Find Deal
Tue, 10 Mar - Tue, 17 Mar
Air France Logo
12:20 - 14:58LHR-SEA
10h 38mdirect
Air France Logo
16:55 - 10:30SEA-LHR
9h 35mdirect
£497Air France
Find Deal
Mon, 29 Dec - Tue, 17 Feb
KLM Logo
20:05 - 11:50LCY-SEA
23h 45m1 stop
KLM Logo
15:05 - 16:35SEA-LCY
17h 30m1 stop
£531KLM
Find Deal
Wed, 24 Dec - Wed, 31 Dec
British Airways Logo
13:45 - 15:55LHR-PDX
10h 10mdirect
British Airways Logo
12:02 - 11:40PDX-LHR
15h 38m1 stop
£589British Airways
Find Deal
Mon, 16 Feb - Mon, 23 Feb
British Airways Logo
13:45 - 15:55LHR-PDX
10h 10mdirect
British Airways Logo
17:45 - 11:20PDX-LHR
9h 35mdirect
£593British Airways
Find Deal
Mon, 24 Nov - Wed, 3 Dec
KLM Logo
17:50 - 11:50LCY-SEA
26h 00m1 stop
KLM Logo
15:10 - 19:35SEA-LCY
20h 25m1 stop
£630KLM
Find Deal
Sun, 21 Dec - Tue, 20 Jan

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 23 October 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 5/11

12:15-17:00

1 stop12h 45m

Seattle/Tacoma Intl

Wed 29/4

19:00-11:55

1 stop32h 55m

£446

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Thu 12/3

11:55-18:00

1 stop13h 05m

Seattle/Tacoma Intl

Thu 26/3

15:35-10:55

1 stop12h 20m

£446

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Sun 14/12

20:35-17:00

1 stop28h 25m

Seattle/Tacoma Intl

Tue 6/1

14:35-19:30

1 stop20h 55m

£449

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 24/12

14:45-11:25

1 stop28h 40m

Seattle/Tacoma Intl

Wed 31/12

16:48-10:30

Nonstop9h 42m

£473

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 10/3

06:20-12:25

1 stop13h 05m

Seattle/Tacoma Intl

Tue 17/3

20:20-12:50

Nonstop9h 30m

£478

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 29/12

12:20-14:58

Nonstop10h 38m

Seattle/Tacoma Intl

Tue 17/2

16:55-10:30

Nonstop9h 35m

£497

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 24/12

20:05-11:50

1 stop23h 45m

Seattle/Tacoma Intl

Wed 31/12

15:05-16:35

1 stop17h 30m

£531

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Mon 16/2

13:45-15:55

Nonstop10h 10m

Portland

Mon 23/2

12:02-11:40

1 stop15h 38m

£589

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Mon 24/11

13:45-15:55

Nonstop10h 10m

Portland

Wed 3/12

17:45-11:20

Nonstop9h 35m

£593

LondonSeattle

LCY - SEA

LCYSEA

London City

Sun 21/12

17:50-11:50

1 stop26h 00m

Seattle/Tacoma Intl

Tue 20/1

15:10-19:35

1 stop20h 25m

£630

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 £774/per person and the cheapest flight to State of Washington is £65/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 £598. 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 £689.

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

£284

Best Round-Trip Price

£446

Fastest flight time

17h 20m

Popular in

August
The best one-way flight price to Washington from United Kingdom in the last 72 hours is £284 (London Gatwick to Portland).
The best round-trip flight price to Washington from United Kingdom in the last 72 hours is £446 (London Heathrow to Seattle/Tacoma Intl).
The fastest flight to Washington from United Kingdom takes 17h 20m (London Gatwick to Portland).
August has the highest demand for flights to Washington, with a 16% 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 £415 per ticket recently. However, the average price tends to be £1,638 and anything for £1,347 or less is a good deal. £15,824 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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Sat 22/11
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