£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.
Find flight deals to Seattle
Cheapest flights to SeattleExplore 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.
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.
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.
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
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
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
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
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
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
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
LondonSeattle
LHR - SEA
LHRSEA
London Heathrow
Wed 27/8
09:50-11:35
Nonstop9h 45m
LondonSeattle
LHR - SEA
LHRSEA
London Heathrow
Wed 27/8
09:50-11:35
Nonstop9h 45m
LondonSeattle
LHR - SEA
LHRSEA
London Heathrow
Wed 24/9
09:50-11:35
Nonstop9h 45m
LondonSeattle
LHR - SEA
LHRSEA
London Heathrow
Mon 4/8
17:25-19:45
Nonstop10h 20m
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
Entertainment
Boarding
Food
Comfort
Overall
Reviews
Kim,May 2025
PIH - SLC
Crew
Entertainment
Boarding
Food
Comfort
Overall
Reviews
Kim,May 2025
PIH - SLC
Crew
Entertainment
Boarding
Food
Comfort
Overall
Reviews
Kim,May 2025
PIH - SLC
Crew
Entertainment
Boarding
Food
Comfort
Overall
Reviews
Kim,May 2025
PIH - SLC
Crew
Entertainment
Boarding
Food
Comfort
Overall
Reviews
Kim,May 2025
PIH - SLC
Crew
Entertainment
Boarding
Food
Comfort
Overall
Reviews
Kim,May 2025
PIH - SLC
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).