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£477+ Direct flights to Seattle

This is the cheapest price on a non-stop flight to Seattle found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/8. Fares are subject to change and may not be available on all flights or dates of travel.
— SEA
7 Jul — 14 Jul1
1 adult

Find flight deals to Seattle

Cheapest flights to Seattle
Explore the most affordable flight options available to Seattle. Find the lowest fares based on data from user searches, with prices last updated on 2 July 2025.

Mon 25/813:25LHR - SEA
Nonstop10h 05mVirgin Atlantic
Wed 10/920:25SEA - LHR
Nonstop9h 50mVirgin Atlantic
Deal found 30/6£477
Mon 25/817:25LHR - SEA
Nonstop10h 20mAir France
Wed 10/920:25SEA - LHR
Nonstop9h 50mAir France
Deal found 1/7£477
Mon 25/816:30LHR - SEA
Nonstop9h 50mBritish Airways
Wed 10/920:20SEA - LHR
Nonstop9h 20mBritish Airways
Deal found 1/7£485
Mon 25/813:25LHR - SEA
Nonstop10h 05mMultiple Airlines
Wed 10/920:25SEA - LHR
Nonstop9h 50mMultiple Airlines
Deal found 1/7£495
Mon 25/817:25LHR - SEA
Nonstop10h 20mDelta
Wed 10/920:25SEA - LHR
Nonstop9h 50mDelta
Deal found 30/6£505
Mon 25/809:50LHR - SEA
Nonstop9h 45mAmerican Airlines
Wed 10/920:20SEA - LHR
Nonstop9h 20mAmerican Airlines
Deal found 30/6£510

Best time to book a flight to Seattle

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

Cheapflights Fare Finder

Use the slider to find non-stop flights to 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 and data was last updated on 2 July 2025.
Use the filters below to find and compare direct flights to Seattle that are best for you.

Fly from

London

Route

Depart

Return

Price

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 25/8

13:25-15:30

Nonstop10h 05m

Seattle/Tacoma Intl

Wed 10/9

20:25-14:15

Nonstop9h 50m

£477

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 25/8

17:25-19:45

Nonstop10h 20m

Seattle/Tacoma Intl

Wed 10/9

20:25-14:15

Nonstop9h 50m

£477

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 25/8

16:30-18:20

Nonstop9h 50m

Seattle/Tacoma Intl

Wed 10/9

20:20-13:40

Nonstop9h 20m

£485

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 25/8

13:25-15:30

Nonstop10h 05m

Seattle/Tacoma Intl

Wed 10/9

20:25-14:15

Nonstop9h 50m

£495

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 25/8

17:25-19:45

Nonstop10h 20m

Seattle/Tacoma Intl

Wed 10/9

20:25-14:15

Nonstop9h 50m

£505

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 25/8

09:50-11:35

Nonstop9h 45m

Seattle/Tacoma Intl

Wed 10/9

20:20-13:40

Nonstop9h 20m

£510

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 27/8

09:50-11:35

Nonstop9h 45m

£501

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 27/8

09:50-11:35

Nonstop9h 45m

£544

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 24/9

09:50-11:35

Nonstop9h 45m

£557

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 4/8

17:25-19:45

Nonstop10h 20m

£580

Flights are sorted by cheapest return flights first.

Deals found on 30/6

Showing 1-10 of 11 results
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2

Reviews of airlines flying non-stop to Seattle

Get insights into the airlines that provide direct flights to 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 to Seattle. Reviews last updated 2 July 2025.
Check out reviews from past customers who have flown Delta, Air France, andSWISS to the United States to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very Good

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Temperature and rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average temperature and rainfall totals by month.

SEA

Temperature

5 - 19 °C

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

FAQ about direct flights to Seattle

Find answers to frequently asked questions about direct flights to Seattle to unlock the best deals on Cheapflights.
  • How much are direct flights to Seattle?

    On average, a one-way direct flight to Seattle will cost users approximately £749. If you're looking for a direct return flight to Seattle, you can expect to pay around £2,786.

  • Which airlines fly direct to Seattle?

    At the moment, Virgin Atlantic, British Airways, Icelandair, KLM, Air France, Finnair, Aer Lingus, Lufthansa, Iberia, Delta offer direct flights to Seattle. Virgin Atlantic is currently the most popular airline that flies direct to Seattle.

  • How long is a direct flight to Seattle?

    While the flight duration depends heavily on the origin, travellers can expect non-stop flights to Seattle to last approximately 9h 45m on average. The quickest direct flight to Seattle at this time departs from London Heathrow Airport (9h 45m), while the longest leaves from London Heathrow Airport (9h 45m).

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

    If you're seeking the lowest price on a direct flight to Seattle, February is worth consideration, as prices are usually at their lowest, on average. January may be most appealing to users looking for the quietest time to visit Seattle, when demand is typically at its lowest.

  • What is the most popular direct flight origin to Seattle?

    Currently, the most popular direct flight origin to Seattle is London Heathrow Airport. A return direct flight from London Heathrow Airport to Seattle typically costs around £2,107.

See more FAQs

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