Flights to Washington

£444 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 23/4. 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
23 Apr
LHR
12h 50m
1 stop
SEA
3 May
SEA
12h 15m
1 stop
LHR
£444
Icelandair
21 Apr
LHR
15h 35m
1 stop
SEA
3 May
SEA
12h 15m
1 stop
LHR
£445
British Airways
22 May
LHR
9h 45m
SEA
24 Jun
SEA
9h 15m
LHR
£455
Icelandair
22 Apr
LHR
15h 35m
1 stop
SEA
5 May
SEA
12h 15m
1 stop
LHR
£457
Multiple Airlines
13 May
STN
18h 55m
2 stops
SEA
18 May
SEA
21h 20m
2 stops
STN
£463
British Airways
21 Apr
LHR
9h 45m
SEA
4 May
SEA
9h 15m
LHR
£464
Icelandair
21 Apr
LHR
15h 35m
1 stop
SEA
9 May
SEA
12h 15m
1 stop
LHR
£468
Multiple Airlines
16 Apr
STN
20h 25m
2 stops
SEA
30 Apr
SEA
23h 15m
2 stops
STN
£472
Icelandair
22 Apr
LHR
15h 35m
1 stop
SEA
8 May
SEA
12h 15m
1 stop
LHR
£476
Delta
22 Apr
LHR
10h 19m
SEA
6 May
SEA
16h 55m
1 stop
LHR
£483
Icelandair
16 Apr
LGW
13h 00m
1 stop
SEA
24 Apr
SEA
11h 40m
1 stop
LGW
£483
Icelandair
16 Apr
LHR
12h 50m
1 stop
SEA
24 Apr
SEA
17h 20m
1 stop
LHR
£485
Multiple Airlines
13 May
LHR
22h 12m
2 stops
GEG
17 May
GEG
22h 05m
2 stops
LHR
£616
Multiple Airlines
13 May
LHR
22h 12m
2 stops
GEG
17 May
GEG
24h 00m
1 stop
LHR
£620
Lufthansa
22 Apr
LHR
19h 26m
2 stops
GEG
29 Apr
GEG
14h 35m
1 stop
LHR
£631
Multiple Airlines
13 May
LHR
20h 57m
1 stop
GEG
17 May
GEG
24h 00m
1 stop
LHR
£637
Delta
9 Apr
LHR
13h 13m
1 stop
GEG
21 Apr
GEG
14h 02m
1 stop
LHR
£639
United Airlines
22 Apr
LHR
19h 26m
2 stops
GEG
29 Apr
GEG
17h 25m
2 stops
LHR
£647
Lufthansa
27 Apr
LHR
21h 05m
2 stops
GEG
4 May
GEG
17h 45m
1 stop
LHR
£651
Lufthansa
22 Apr
LHR
16h 16m
1 stop
GEG
29 Apr
GEG
14h 35m
1 stop
LHR
£654
Lufthansa
27 Apr
LHR
19h 41m
2 stops
GEG
4 May
GEG
21h 15m
2 stops
LHR
£656
United Airlines
11 May
LHR
21h 00m
2 stops
GEG
18 May
GEG
23h 25m
1 stop
LHR
£661
Delta
9 Apr
LHR
14h 18m
1 stop
GEG
19 Apr
GEG
11h 57m
1 stop
LHR
£662
Lufthansa
27 Apr
LHR
14h 21m
1 stop
GEG
4 May
GEG
14h 45m
1 stop
LHR
£673
United Airlines
23 Sept
LHR
33h 40m
1 stop
PSC
27 Sept
PSC
35h 40m
2 stops
LHR
£671
United Airlines
10 May
LHR
37h 23m
2 stops
PSC
17 May
PSC
31h 40m
2 stops
LHR
£683
United Airlines
23 Sept
LHR
20h 53m
2 stops
PSC
27 Sept
PSC
35h 40m
2 stops
LHR
£685
United Airlines
23 Sept
LHR
21h 08m
2 stops
PSC
27 Sept
PSC
35h 40m
2 stops
LHR
£687
United Airlines
23 Sept
LHR
33h 30m
1 stop
PSC
27 Sept
PSC
35h 40m
2 stops
LHR
£689
United Airlines
23 Sept
LHR
17h 28m
1 stop
PSC
27 Sept
PSC
16h 10m
1 stop
LHR
£701
United Airlines
10 May
LHR
37h 23m
2 stops
PSC
17 May
PSC
15h 30m
1 stop
LHR
£713
United Airlines
23 Sept
LHR
33h 30m
1 stop
PSC
27 Sept
PSC
12h 55m
1 stop
LHR
£715
United Airlines
23 Sept
LHR
14h 03m
1 stop
PSC
27 Sept
PSC
15h 35m
1 stop
LHR
£717
United Airlines
23 Sept
LHR
17h 28m
1 stop
PSC
27 Sept
PSC
15h 35m
1 stop
LHR
£719
United Airlines
9 May
LHR
17h 28m
1 stop
PSC
16 May
PSC
16h 31m
1 stop
LHR
£732
United Airlines
10 May
LHR
17h 28m
1 stop
PSC
17 May
PSC
15h 30m
1 stop
LHR
£752
Icelandair
11 May
LHR
47h 55m
2 stops
BLI
18 May
BLI
22h 20m
2 stops
LHR
£808
Multiple Airlines
11 May
LHR
21h 47m
2 stops
BLI
18 May
BLI
21h 05m
1 stop
LHR
£925
Multiple Airlines
11 May
LHR
15h 02m
1 stop
BLI
18 May
BLI
21h 05m
1 stop
LHR
£942
Alaska Airlines
9 Sept
LHR
28h 26m
1 stop
BLI
13 Sept
BLI
16h 59m
1 stop
LHR
£963
Alaska Airlines
9 Sept
LHR
32h 31m
1 stop
BLI
13 Sept
BLI
18h 09m
1 stop
LHR
£966
Alaska Airlines
9 Sept
LHR
32h 31m
1 stop
BLI
13 Sept
BLI
18h 09m
1 stop
LHR
£973
Alaska Airlines
9 Sept
LHR
27h 17m
1 stop
BLI
13 Sept
BLI
12h 40m
1 stop
LHR
£979
Alaska Airlines
9 Sept
LHR
37h 31m
2 stops
BLI
13 Sept
BLI
25h 44m
1 stop
LHR
£1,193
Alaska Airlines
9 Sept
LHR
37h 51m
2 stops
BLI
13 Sept
BLI
18h 09m
1 stop
LHR
£1,197

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
13:05 - 17:55
LHR
-
SEA
12h 50m
1 stop
Icelandair Logo
15:40 - 11:55
SEA
-
LHR
12h 15m
1 stop
£444Icelandair
Thu, 23 Apr - Sun, 3 May
Icelandair Logo
13:05 - 20:40
LHR
-
SEA
15h 35m
1 stop
Icelandair Logo
15:40 - 11:55
SEA
-
LHR
12h 15m
1 stop
£445Icelandair
Tue, 21 Apr - Sun, 3 May
British Airways Logo
09:50 - 11:35
LHR
-
SEA
9h 45mdirect
British Airways Logo
13:30 - 06:45
SEA
-
LHR
9h 15mdirect
£455British Airways
Fri, 22 May - Wed, 24 Jun
British Airways Logo
09:50 - 11:35
LHR
-
SEA
9h 45mdirect
British Airways Logo
13:30 - 06:45
SEA
-
LHR
9h 15mdirect
£464British Airways
Tue, 21 Apr - Mon, 4 May
Scandinavian Airlines Logo
09:35 - 13:45
MAN
-
SEA
12h 10m
1 stop
Scandinavian Airlines Logo
15:55 - 08:55
SEA
-
MAN
33h 00m
1 stop
£535Scandinavian Airlines
Sat, 30 May - Sun, 7 Jun
Scandinavian Airlines Logo
19:10 - 13:45
MAN
-
SEA
26h 35m
1 stop
Scandinavian Airlines Logo
15:55 - 08:55
SEA
-
MAN
33h 00m
1 stop
£548Scandinavian Airlines
Fri, 18 Sep - Sun, 20 Sep
KLM Logo
10:00 - 16:30
LCY
-
SEA
14h 30m
1 stop
KLM Logo
13:45 - 09:30
SEA
-
LCY
11h 45m
1 stop
£587KLM
Mon, 13 Apr - Mon, 27 Apr
KLM Logo
09:20 - 16:30
LCY
-
SEA
15h 10m
1 stop
KLM Logo
13:55 - 09:30
SEA
-
LCY
11h 35m
1 stop
£598KLM
Thu, 28 May - Thu, 4 Jun
Virgin Atlantic Logo
20:15 - 11:45
LCY
-
SEA
23h 30m
1 stop
Virgin Atlantic Logo
17:35 - 18:30
SEA
-
LCY
16h 55m
1 stop
£611Virgin Atlantic
Mon, 13 Apr - Sun, 26 Apr
Virgin Atlantic Logo
19:00 - 16:30
LCY
-
SEA
29h 30m
1 stop
Virgin Atlantic Logo
17:35 - 17:20
SEA
-
LCY
15h 45m
1 stop
£620Virgin Atlantic
Mon, 13 Apr - Sun, 26 Apr

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 30 March 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

LHR - SEA

LHRSEA

London Heathrow

Thu 23/4

13:05-17:55

1 stop12h 50m

Seattle/Tacoma Intl

Sun 3/5

15:40-11:55

1 stop12h 15m

£444

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 21/4

13:05-20:40

1 stop15h 35m

Seattle/Tacoma Intl

Sun 3/5

15:40-11:55

1 stop12h 15m

£445
Fastest return journey

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Fri 22/5

09:50-11:35

Nonstop9h 45m

Seattle/Tacoma Intl

Wed 24/6

13:30-06:45

Nonstop9h 15m

£455

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 21/4

09:50-11:35

Nonstop9h 45m

Seattle/Tacoma Intl

Mon 4/5

13:30-06:45

Nonstop9h 15m

£464

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Sat 30/5

09:35-13:45

1 stop12h 10m

Seattle/Tacoma Intl

Sun 7/6

15:55-08:55

1 stop33h 00m

£535

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Fri 18/9

19:10-13:45

1 stop26h 35m

Seattle/Tacoma Intl

Sun 20/9

15:55-08:55

1 stop33h 00m

£548

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 13/4

10:00-16:30

1 stop14h 30m

Seattle/Tacoma Intl

Mon 27/4

13:45-09:30

1 stop11h 45m

£587

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 28/5

09:20-16:30

1 stop15h 10m

Seattle/Tacoma Intl

Thu 4/6

13:55-09:30

1 stop11h 35m

£598

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 13/4

20:15-11:45

1 stop23h 30m

Seattle/Tacoma Intl

Sun 26/4

17:35-18:30

1 stop16h 55m

£611

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 13/4

19:00-16:30

1 stop29h 30m

Seattle/Tacoma Intl

Sun 26/4

17:35-17:20

1 stop15h 45m

£620

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 £824/per person and the cheapest flight to State of Washington is £21/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 £674.

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

£252

Best Round-Trip Price

£444

Fastest flight time

20h 49m

Popular in

August
The best one-way flight price to Washington from United Kingdom in the last 72 hours is £252 (London Gatwick to Portland).
The best round-trip flight price to Washington from United Kingdom in the last 72 hours is £444 (London Heathrow to Seattle/Tacoma Intl).
The fastest flight to Washington from United Kingdom takes 20h 49m (London Stansted to Seattle/Tacoma Intl).
August has the highest demand for flights to Washington, with a 13% 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 £419 per ticket recently. However, the average price tends to be £1,748 and anything for £1,419 or less is a good deal. £15,932 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

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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1 adult
Wed 29/4
Wed 6/5

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