Flights to Washington

£479 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 4/7. 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.
Virgin Atlantic
4 Jul
LHR
10h 18m
SEA
13 Jul
SEA
13h 30m
1 stop
LHR
£479
United Airlines
8 Jul
LHR
24h 21m
2 stops
SEA
23 Jul
SEA
14h 38m
1 stop
LHR
£480
Multiple Airlines
4 Jul
LHR
13h 50m
1 stop
SEA
11 Jul
SEA
14h 35m
1 stop
LHR
£480
United Airlines
8 Jul
LHR
20h 46m
2 stops
SEA
27 Jul
SEA
13h 40m
1 stop
LHR
£481
Lufthansa
2 Jul
LHR
36h 06m
1 stop
SEA
5 Jul
SEA
15h 35m
1 stop
LHR
£482
Icelandair
31 Aug
LGW
28h 05m
1 stop
SEA
8 Sept
SEA
11h 40m
1 stop
LGW
£483
KLM
3 Jul
LHR
13h 03m
1 stop
SEA
11 Jul
SEA
9h 50m
LHR
£483
United Airlines
4 Jul
LHR
18h 04m
1 stop
SEA
17 Jul
SEA
16h 50m
1 stop
LHR
£483
KLM
1 Jul
LCY
14h 20m
1 stop
SEA
13 Jul
SEA
14h 15m
2 stops
LCY
£484
Delta
2 Jul
LHR
14h 25m
1 stop
SEA
12 Jul
SEA
23h 30m
1 stop
LHR
£484
Delta
4 Jul
LGW
15h 02m
1 stop
SEA
13 Jul
SEA
13h 25m
1 stop
LGW
£485
Virgin Atlantic
30 Jun
LHR
19h 49m
1 stop
SEA
13 Jul
SEA
23h 30m
2 stops
LHR
£485
United Airlines
16 Sept
LHR
27h 40m
2 stops
GEG
21 Sept
GEG
14h 48m
1 stop
LHR
£626
United Airlines
16 Sept
LHR
19h 44m
2 stops
GEG
21 Sept
GEG
17h 45m
2 stops
LHR
£663
Lufthansa
16 Sept
LHR
14h 24m
1 stop
GEG
21 Sept
GEG
14h 01m
1 stop
LHR
£672
United Airlines
15 Oct
LHR
22h 51m
2 stops
GEG
19 Oct
GEG
20h 40m
1 stop
LHR
£737
United Airlines
15 Oct
LHR
22h 51m
2 stops
GEG
19 Oct
GEG
20h 40m
1 stop
LHR
£738
United Airlines
15 Oct
LHR
22h 51m
2 stops
GEG
19 Oct
GEG
20h 40m
1 stop
LHR
£745
United Airlines
15 Oct
LHR
21h 24m
2 stops
GEG
19 Oct
GEG
24h 10m
1 stop
LHR
£747
United Airlines
15 Oct
LHR
21h 24m
2 stops
GEG
19 Oct
GEG
24h 10m
1 stop
LHR
£748
United Airlines
15 Oct
LHR
21h 54m
2 stops
GEG
19 Oct
GEG
17h 55m
2 stops
LHR
£750
United Airlines
15 Oct
LHR
21h 54m
2 stops
GEG
19 Oct
GEG
17h 55m
2 stops
LHR
£751
United Airlines
15 Oct
LHR
21h 54m
2 stops
GEG
19 Oct
GEG
17h 55m
2 stops
LHR
£759
United Airlines
15 Oct
LHR
21h 54m
2 stops
GEG
19 Oct
GEG
17h 55m
2 stops
LHR
£760
Alaska Airlines
9 Oct
LHR
28h 29m
1 stop
BLI
12 Oct
BLI
11h 47m
1 stop
LHR
£566
Alaska Airlines
9 Oct
LHR
28h 29m
1 stop
BLI
12 Oct
BLI
11h 47m
1 stop
LHR
£570
Alaska Airlines
9 Oct
LHR
28h 29m
1 stop
BLI
12 Oct
BLI
11h 47m
1 stop
LHR
£570
Alaska Airlines
9 Oct
LHR
28h 29m
1 stop
BLI
12 Oct
BLI
11h 47m
1 stop
LHR
£572
Alaska Airlines
21 Oct
LHR
33h 38m
1 stop
BLI
25 Oct
BLI
34h 02m
1 stop
LHR
£573
Alaska Airlines
9 Oct
LHR
37h 35m
2 stops
BLI
12 Oct
BLI
16h 56m
1 stop
LHR
£857
Alaska Airlines
9 Oct
LHR
37h 35m
2 stops
BLI
12 Oct
BLI
16h 56m
1 stop
LHR
£862
Alaska Airlines
9 Oct
LHR
37h 35m
2 stops
BLI
12 Oct
BLI
16h 56m
1 stop
LHR
£865
Alaska Airlines
9 Oct
LHR
33h 38m
1 stop
BLI
12 Oct
BLI
22h 45m
2 stops
LHR
£874
Alaska Airlines
29 Jul
LHR
14h 59m
1 stop
BLI
2 Sept
BLI
23h 35m
2 stops
LHR
£904
Alaska Airlines
21 Oct
LHR
37h 35m
2 stops
BLI
25 Oct
BLI
24h 04m
1 stop
LHR
£914
Alaska Airlines
29 Jul
LHR
14h 59m
1 stop
BLI
2 Sept
BLI
17h 13m
1 stop
LHR
£928
United Airlines
5 Nov
LHR
31h 20m
2 stops
PSC
9 Nov
PSC
23h 20m
2 stops
LHR
£664
United Airlines
5 Nov
LHR
33h 20m
1 stop
PSC
9 Nov
PSC
23h 20m
2 stops
LHR
£665
United Airlines
5 Nov
LHR
17h 27m
1 stop
PSC
9 Nov
PSC
12h 55m
1 stop
LHR
£711
United Airlines
5 Nov
LHR
17h 27m
1 stop
PSC
9 Nov
PSC
12h 55m
1 stop
LHR
£712
United Airlines
24 Sept
EDI
19h 00m
2 stops
PSC
28 Sept
PSC
34h 30m
2 stops
EDI
£781
United Airlines
24 Sept
EDI
32h 46m
2 stops
PSC
28 Sept
PSC
19h 20m
2 stops
EDI
£783
United Airlines
24 Sept
EDI
19h 00m
2 stops
PSC
28 Sept
PSC
34h 30m
2 stops
EDI
£790
United Airlines
5 Nov
EDI
19h 37m
2 stops
PSC
9 Nov
PSC
35h 10m
2 stops
EDI
£792
United Airlines
5 Nov
EDI
19h 37m
2 stops
PSC
9 Nov
PSC
35h 10m
2 stops
EDI
£793
Multiple Airlines
2 Jul
LHR
25h 09m
2 stops
PSC
6 Jul
PSC
22h 07m
2 stops
LHR
£851
United Airlines
2 Jul
LHR
14h 02m
1 stop
PSC
6 Jul
PSC
20h 26m
1 stop
LHR
£852
Multiple Airlines
2 Aug
LHR
33h 43m
2 stops
PSC
9 Aug
PSC
21h 27m
2 stops
LHR
£1,086

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.
Virgin Atlantic Logo
17:45 - 20:03
LHR
-
SEA
10h 18mdirect
Virgin Atlantic Logo
22:40 - 20:10
SEA
-
LHR
13h 30m
1 stop
£479Virgin Atlantic
Sat, 4 Jul - Mon, 13 Jul
United Airlines Logo
06:55 - 23:16
LHR
-
SEA
24h 21m
2 stops
United Airlines Logo
11:02 - 09:40
SEA
-
LHR
14h 38m
1 stop
£480United Airlines
Wed, 8 Jul - Thu, 23 Jul
Icelandair Logo
15:40 - 11:45
LGW
-
SEA
28h 05m
1 stop
Icelandair Logo
19:00 - 14:40
SEA
-
LGW
11h 40m
1 stop
£483Icelandair
Mon, 31 Aug - Tue, 8 Sep
KLM Logo
06:30 - 11:33
LHR
-
SEA
13h 03m
1 stop
KLM Logo
18:20 - 12:10
SEA
-
LHR
9h 50mdirect
£483KLM
Fri, 3 Jul - Sat, 11 Jul
KLM Logo
10:00 - 16:20
LCY
-
SEA
14h 20m
1 stop
KLM Logo
10:35 - 08:50
SEA
-
LCY
14h 15m
2 stops
£484KLM
Wed, 1 Jul - Mon, 13 Jul
British Airways Logo
14:55 - 17:55
LHR
-
SEA
10h 00mdirect
British Airways Logo
18:50 - 12:20
SEA
-
LHR
9h 30mdirect
£486British Airways
Tue, 27 Oct - Sun, 8 Nov
Icelandair Logo
15:40 - 17:55
LGW
-
SEA
34h 15m
1 stop
Icelandair Logo
15:40 - 14:40
SEA
-
LGW
15h 00m
1 stop
£490Icelandair
Sun, 4 Oct - Fri, 9 Oct
Aer Lingus Logo
12:50 - 17:10
MAN
-
SEA
12h 20m
1 stop
Aer Lingus Logo
19:10 - 16:55
SEA
-
MAN
13h 45m
1 stop
£532Aer Lingus
Tue, 7 Jul - Thu, 23 Jul
Aer Lingus Logo
12:50 - 17:10
MAN
-
SEA
12h 20m
1 stop
Aer Lingus Logo
19:10 - 16:55
SEA
-
MAN
13h 45m
1 stop
£533Aer Lingus
Thu, 9 Jul - Sun, 19 Jul
British Airways Logo
20:05 - 11:30
MAN
-
SEA
23h 25m
1 stop
British Airways Logo
08:11 - 09:10
SEA
-
MAN
16h 59m
2 stops
£554British Airways
Mon, 2 Nov - Thu, 12 Nov

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 20 June 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

Sat 4/7

17:45-20:03

Nonstop10h 18m

Seattle/Tacoma Intl

Mon 13/7

22:40-20:10

1 stop13h 30m

£479

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 8/7

06:55-23:16

2 stops24h 21m

Seattle/Tacoma Intl

Thu 23/7

11:02-09:40

1 stop14h 38m

£480

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Mon 31/8

15:40-11:45

1 stop28h 05m

Seattle/Tacoma Intl

Tue 8/9

19:00-14:40

1 stop11h 40m

£483

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Fri 3/7

06:30-11:33

1 stop13h 03m

Seattle/Tacoma Intl

Sat 11/7

18:20-12:10

Nonstop9h 50m

£483

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 1/7

10:00-16:20

1 stop14h 20m

Seattle/Tacoma Intl

Mon 13/7

10:35-08:50

2 stops14h 15m

£484
Fastest return journey

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 27/10

14:55-17:55

Nonstop10h 00m

Seattle/Tacoma Intl

Sun 8/11

18:50-12:20

Nonstop9h 30m

£486

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Sun 4/10

15:40-17:55

1 stop34h 15m

Seattle/Tacoma Intl

Fri 9/10

15:40-14:40

1 stop15h 00m

£490

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Tue 7/7

12:50-17:10

1 stop12h 20m

Seattle/Tacoma Intl

Thu 23/7

19:10-16:55

1 stop13h 45m

£532

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Thu 9/7

12:50-17:10

1 stop12h 20m

Seattle/Tacoma Intl

Sun 19/7

19:10-16:55

1 stop13h 45m

£533

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Mon 2/11

20:05-11:30

1 stop23h 25m

Seattle/Tacoma Intl

Thu 12/11

08:11-09:10

2 stops16h 59m

£554

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 £766/per person and the cheapest flight to State of Washington is £93/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 £617. 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 £697.

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

£305

Best Round-Trip Price

£479

Fastest flight time

10h 05m

Popular in

August
The best one-way flight price to Washington from United Kingdom in the last 5 days is £305 (Manchester to Seattle/Tacoma Intl).
The best round-trip flight price to Washington from United Kingdom in the last 5 days is £479 (London Heathrow to Seattle/Tacoma Intl).
The fastest flight to Washington from United Kingdom takes 10h 05m (London Heathrow 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 £436 per ticket recently. However, the average price tends to be £1,708 and anything for £1,380 or less is a good deal. £15,983 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

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1 adult
Mon 20/7
Mon 27/7

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