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£69+ 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 27/1. 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
20 Jan — 27 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 21 December 2025.

Good round-trip deal

£169 or less

Good one-way deal

£43 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 21 December 2025.

Mon 20/411:59SEA - KEF
1 stop14h 31mVirgin Atlantic
Wed 29/411:25KEF - SEA
1 stop15h 35mVirgin Atlantic
Deal found 20/12£365
Sat 24/114:35SEA - GLA
1 stop11h 20mIcelandair
Tue 17/212:35GLA - SEA
1 stop12h 25mIcelandair
Deal found 19/12£367
Fri 30/114:35SEA - GLA
1 stop11h 20mIcelandair
Sun 8/212:35GLA - SEA
1 stop12h 25mIcelandair
Deal found 18/12£368
Sun 5/407:20SEA - KEF
1 stop19h 10mDelta
Thu 30/411:25KEF - SEA
2 stops17h 34mDelta
Deal found 20/12£368
Sat 4/422:58SEA - KEF
1 stop27h 32mDelta
Thu 30/411:25KEF - SEA
1 stop17h 58mDelta
Deal found 20/12£369
Tue 13/114:35SEA - GLA
1 stop11h 20mIcelandair
Tue 31/314:20GLA - SEA
1 stop14h 20mIcelandair
Deal found 21/12£370
Sun 1/214:35SEA - KEF
Nonstop7h 40mIcelandair
Thu 5/217:00KEF - SEA
Nonstop8h 00mIcelandair
Deal found 19/12£372
Tue 31/315:55SEA - KEF
2 stops34h 35mDelta
Wed 29/411:25KEF - SEA
1 stop17h 58mDelta
Deal found 20/12£373
Sun 3/511:59SEA - KEF
1 stop14h 31mDelta
Wed 13/508:50KEF - SEA
1 stop20h 15mDelta
Deal found 20/12£376
Mon 6/415:55SEA - KEF
2 stops34h 35mDelta
Wed 29/411:25KEF - SEA
2 stops30h 06mDelta
Deal found 20/12£377
Sun 3/519:00SEA - GLA
1 stop10h 25mIcelandair
Tue 12/514:20GLA - SEA
1 stop11h 35mIcelandair
Deal found 20/12£377
Sun 19/419:00SEA - GLA
1 stop10h 25mIcelandair
Mon 27/414:20GLA - SEA
1 stop11h 35mIcelandair
Deal found 19/12£379

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 21 December 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

Mon 20/4

07:20-09:30

1 stop19h 10m

Reykjavik Keflavik Intl

Wed 29/4

11:25-22:16

1 stop17h 51m

£365

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Mon 20/4

11:59-09:30

1 stop14h 31m

Reykjavik Keflavik Intl

Wed 29/4

11:25-20:00

1 stop15h 35m

£365

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Sun 5/4

07:20-09:30

1 stop19h 10m

Reykjavik Keflavik Intl

Thu 30/4

11:25-22:23

1 stop17h 58m

£365

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Fri 30/1

14:35-09:55

1 stop11h 20m

Glasgow Intl

Sun 8/2

12:35-17:00

1 stop12h 25m

£368

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Sat 4/4

22:58-09:30

1 stop27h 32m

Reykjavik Keflavik Intl

Wed 29/4

11:25-22:23

1 stop17h 58m

£369

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Sat 4/4

22:58-09:30

1 stop27h 32m

Reykjavik Keflavik Intl

Tue 28/4

11:25-20:00

1 stop15h 35m

£369

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Sun 1/2

14:35-06:15

Nonstop7h 40m

Reykjavik Keflavik Intl

Thu 5/2

17:00-17:00

Nonstop8h 00m

£372

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Tue 31/3

15:55-09:30

2 stops34h 35m

Reykjavik Keflavik Intl

Wed 29/4

11:25-21:59

2 stops17h 34m

£373

SeattleReykjavik

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

Tue 31/3

15:55-09:30

2 stops34h 35m

Reykjavik Keflavik Intl

Tue 28/4

11:25-22:23

1 stop17h 58m

£373

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 14/1

14:35-09:55

1 stop11h 20m

Glasgow Intl

Sun 29/3

14:20-20:40

1 stop14h 20m

£387

Flights are sorted by cheapest return flights first.

Deals found on 20/12

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, January is the cheapest month in which you can book a flight from State of Washington (average of £367). Flying from State of Washington in June will prove the most costly (average of £590). 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 £64
Virgin Atlantic
Virgin Atlantic
From £369
Icelandair
Icelandair
From £367
British Airways
British Airways
From £354

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

The cheapest city to fly to from State of Washington is Phoenix Sky Harbor Intl, with prices starting at £25. Explore other affordable destinations below.

Phoenix Sky Harbor Intl
Phoenix Sky Harbor Intl
From £25
Vancouver Intl
Vancouver Intl
From £41
Las Vegas Harry Reid Intl
Las Vegas Harry Reid Intl
From £47
Boise Air Term. Gowen Fld
Boise Air Term. Gowen Fld
From £58

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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 21 December 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 January; 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 £369 round trip
    Travel from Seattle to Reykjavik from £611 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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Fly with Cheapflights

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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