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£66+ Cheap flights from Washington

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SEA — LHR
25 Dec — 1 Jan1
1 adult
1 adult, Economy, 0 bags

What to know about flights from Washington

Discover essential information about flights departing from Washington, including flight schedules, destinations, airlines operating at the Washington airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 25 November 2025.

Good round-trip deal

£173 or less

Good one-way deal

£59 or less
Price to beat on a round-trip flight from Washington.
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Price to beat on a one-way flight from Washington.
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Find flights from Washington

Enter your travel dates to find the best prices.

Cheapest flights from Washington
Explore the most affordable flight options available from Washington. Find the lowest fares based on data from user searches, with prices last updated on 25 November 2025.

Mon 2/314:35SEA - KEF
Nonstop7h 40mIcelandair
Mon 9/317:00KEF - SEA
Nonstop8h 00mIcelandair
Deal found 23/11£327
Thu 23/411:45SEA - KEF
1 stop14h 45mDelta
Mon 27/411:25KEF - SEA
1 stop17h 51mDelta
Deal found 24/11£347
Wed 15/421:55SEA - KEF
1 stop28h 35mKLM
Thu 30/411:25KEF - SEA
1 stop15h 08mKLM
Deal found 23/11£354
Fri 8/512:00SEA - KEF
1 stop12h 00mDelta
Tue 19/509:30KEF - SEA
1 stop13h 43mDelta
Deal found 24/11£356
Sat 2/515:55SEA - KEF
2 stops34h 35mDelta
Thu 21/509:30KEF - SEA
1 stop13h 43mDelta
Deal found 24/11£359
Sat 2/521:55SEA - KEF
1 stop28h 35mDelta
Sat 16/509:30KEF - SEA
1 stop13h 43mDelta
Deal found 24/11£361
Wed 6/515:35SEA - KEF
1 stop32h 25mMultiple Airlines
Mon 18/508:50KEF - SEA
1 stop16h 46mMultiple Airlines
Deal found 24/11£362
Tue 5/523:40SEA - KEF
2 stops50h 50mDelta
Fri 22/509:30KEF - SEA
1 stop13h 43mDelta
Deal found 24/11£369
Thu 8/114:35SEA - KEF
Nonstop7h 40mIcelandair
Thu 15/117:00KEF - SEA
Nonstop8h 00mIcelandair
Deal found 24/11£431
Wed 15/419:00SEA - LGW
1 stop11h 40mIcelandair
Mon 4/515:40LGW - SEA
1 stop34h 10mIcelandair
Deal found 24/11£447
Wed 8/415:45SEA - LHR
1 stop12h 10mIcelandair
Sun 12/421:25LHR - SEA
1 stop31h 20mIcelandair
Deal found 24/11£447
Thu 8/108:10SEA - STN
2 stops17h 40mMultiple Airlines
Thu 15/119:45STN - SEA
3 stops34h 21mMultiple Airlines
Deal found 24/11£447

Find flights from Washington within your budget

 
Find flights departing from Washington that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 25 November 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Wed 8/4

15:45-06:15

Nonstop7h 30m

Reykjavik Keflavik Intl

Mon 13/4

19:50-20:45

Nonstop7h 55m

£327

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Wed 8/4

15:45-06:15

Nonstop7h 30m

Reykjavik Keflavik Intl

Tue 14/4

16:50-17:50

Nonstop8h 00m

£327

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Tue 3/2

14:35-06:15

Nonstop7h 40m

Reykjavik Keflavik Intl

Mon 16/2

17:00-17:00

Nonstop8h 00m

£327

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Mon 26/1

14:35-06:15

Nonstop7h 40m

Reykjavik Keflavik Intl

Fri 30/1

17:00-17:00

Nonstop8h 00m

£327

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Thu 23/4

11:45-09:30

1 stop14h 45m

Reykjavik Keflavik Intl

Mon 27/4

11:25-22:16

1 stop17h 51m

£347

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Wed 15/4

21:55-09:30

1 stop28h 35m

Reykjavik Keflavik Intl

Thu 30/4

11:25-19:33

1 stop15h 08m

£354

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Fri 8/5

11:15-09:30

1 stop15h 15m

Reykjavik Keflavik Intl

Sat 16/5

09:30-16:13

1 stop13h 43m

£356

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Mon 4/5

11:45-09:30

1 stop14h 45m

Reykjavik Keflavik Intl

Sat 16/5

09:30-20:24

1 stop17h 54m

£356

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Sun 3/5

07:20-09:30

1 stop19h 10m

Reykjavik Keflavik Intl

Tue 19/5

08:50-20:29

1 stop18h 39m

£356

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Fri 8/5

12:00-07:00

1 stop12h 00m

Reykjavik Keflavik Intl

Thu 21/5

09:30-23:26

1 stop20h 56m

£356

Flights are sorted by cheapest return flights first.

Deals found on 23/11

Showing 1-10 of 60 results
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Best time to book a flight from Washington

Have a flexible travel schedule? Discover the best time to fly from Washington with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Washington

Get recent, data-driven insights about flights from Washington including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from State of Washington?

Currently, October is the cheapest month in which you can book a flight from State of Washington (average of £379). Flying from State of Washington in June will prove the most costly (average of £604). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from State of Washington?

Many airlines operate round-trip flights from State of Washington: Virgin Atlantic, British Airways. These airlines fly to the following popular destinations: London.

Alaska Airlines
Alaska Airlines
From £65
Virgin Atlantic
Virgin Atlantic
From £377
British Airways
British Airways
From £362
Icelandair
Icelandair
From £375

What is the cheapest place to fly to from State of Washington?

The cheapest city to fly to from State of Washington is Vancouver Intl, with prices starting at £53. Explore other affordable destinations below.

Vancouver Intl
Vancouver Intl
From £53
Boise Air Term. Gowen Fld
Boise Air Term. Gowen Fld
From £59
San Francisco
San Francisco
From £71

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Related info for your journey

Access useful and relevant information related to your journey from Washington. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 25 November 2025.

  • What is the cheapest month to fly from State of Washington?

    At the present moment the cheapest month to fly from State of Washington is currently October; with June being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from State of Washington?

    Check out the cheapest flights from State of Washington to embark to:
    Travel from Seattle to London from £351 round trip
    Travel from Seattle to Edinburgh from £453 round trip
    Travel from Seattle to Reykjavik from £624 round trip

  • How does Cheapflights help users find flights from Washington?

    Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Washington. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

  • Why should you use Cheapflights to find cheap flight tickets from Washington?

    By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from Washington.

  • Can Cheapflights find flights from Washington with no change fees?

    Need flexible booking options for your flight from Washington ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

  • Can Cheapflights notify me if prices for flights from Washington become cheaper?

    Of course! You can now track prices for flights from Washington and get an alert from Cheapflights when they change. Click the bell icon next to the flight deals above and provide your email address to set up price alerts.

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Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Washington?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Washington. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Washington?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from Washington.

Can Cheapflights find flights from Washington with no change fees?

Need flexible booking options for your flight from Washington ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Washington become cheaper?

Of course! You can now track prices for flights from Washington and get an alert from Cheapflights when they change. Click the bell icon next to the flight deals above and provide your email address to set up price alerts.

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