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£242+ Direct flights from Seattle

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/10. 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
23 Jul — 30 Jul1
1 adult
1 adult, Economy, 0 bags

Find direct flights from Seattle within your budget

 
Use the slider to find direct flights from Seattle within your budget. Price data is based on user searches made on Cheapflights. Over the past seven days, Cheapflights users made 858,174 searches. This data was last updated on 23 June 2026.

Fly to

Route

Depart

Return

Price

Cheapest return flight

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Sun 27/9

21:40-15:05

Nonstop9h 25m

London Heathrow

Tue 13/10

17:00-18:55

Nonstop9h 55m

£652

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Tue 3/11

18:55-12:20

Nonstop9h 25m

London Heathrow

Fri 4/12

14:45-16:50

Nonstop10h 05m

£652

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Sun 20/9

21:40-15:05

Nonstop9h 25m

London Heathrow

Sat 26/9

17:00-19:00

Nonstop10h 00m

£688
Fastest return journey

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Mon 5/10

21:45-15:05

Nonstop9h 20m

London Heathrow

Mon 12/10

17:00-18:55

Nonstop9h 55m

£690

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Thu 1/10

21:45-15:05

Nonstop9h 20m

London Heathrow

Fri 16/10

17:00-18:55

Nonstop9h 55m

£690

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Mon 10/8

21:45-15:35

Nonstop9h 50m

London Heathrow

Tue 1/9

17:45-20:10

Nonstop10h 25m

£700

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Mon 10/8

21:45-15:35

Nonstop9h 50m

London Heathrow

Thu 3/9

17:45-20:10

Nonstop10h 25m

£700

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Tue 18/8

21:45-15:35

Nonstop9h 50m

London Heathrow

Wed 30/9

11:40-14:00

Nonstop10h 20m

£702

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Wed 26/8

21:40-15:05

Nonstop9h 25m

London Heathrow

Fri 4/9

17:00-19:00

Nonstop10h 00m

£702

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Wed 26/8

21:40-15:05

Nonstop9h 25m

London Heathrow

Wed 2/9

17:00-19:00

Nonstop10h 00m

£702

Flights are sorted by cheapest return flights first.

Deals found on 22/6

Showing 1-10 of 22 resultsSorted by cheapest first
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Best time to book a flight from Seattle

Have a flexible travel schedule? Discover the best time to fly from Seattle 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.

Reviews of airlines flying non-stop to Seattle

Get insights into the airlines that provide direct flights from Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight from Seattle. Reviews last updated Cheapflights.
Check out reviews from past customers who have flown Virgin Atlantic and British Airways from Seattle to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Food

6.9

Comfort

7.3

Boarding

7.7

Crew

8.1

Overall

7.5

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Virgin Atlantic
7.5
Good
690 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Food

6.9

Comfort

7.3

Boarding

7.7

Crew

8.1

Overall

7.5

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
British Airways
6.7
Okay
8,064 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Food

6.9

Comfort

7.3

Boarding

7.7

Crew

8.1

Overall

7.5

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Related info for your journey

Access useful and relevant information related to your journey from Seattle. 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 23 June 2026.

  • Where can you fly direct from Seattle?

    Currently, the most popular direct flight destination from Seattle is London Heathrow Airport.

  • How much are direct flights from Seattle?

    On average, a one-way direct flight from Seattle will cost users approximately £326. If you're looking for a direct round-trip flight from Seattle, you can expect to pay around £371.

  • How long is a direct flight from Seattle?

    While the flight duration depends heavily on the destination, on average, travelers can expect non-stop flights from Seattle to last approximately 4h 07m on average. The quickest direct flight from Seattle at this time departs from Seattle (1h 10m), while the longest leaves from Seattle (9h 15m).

  • What is the best time of year to fly direct from Seattle?

    If you're seeking the lowest price on a direct flight from Seattle, January is worth consideration as prices are at their lowest, on average. In terms of the number of daily non-stop flights, January offers travelers the most options.

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