£56+ Cheap 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 27/8. 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.
What to know about flights from Seattle
Discover essential information about flights departing from Seattle, including flight schedules, destinations, airlines operating at the Seattle 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 13 June 2025.
Cheapest one-way flight | £156 |
|---|---|
Cheapest round-trip flight | £455 |
Cheapest airline | Alaska Airlines |
Most popular destination | Reykjavik Keflavik Intl (KEF) |
Good round-trip deal | £63 or less |
Good one-way deal | £46 or less |
Find flights from Seattle
Cheapest flights from SeattleExplore the most affordable flight options available from Seattle. Find the lowest fares based on data from user searches, with prices last updated on 13 June 2025.
Explore the most affordable flight options available from Seattle. Find the lowest fares based on data from user searches, with prices last updated on 13 June 2025.
Find flights from Seattle within your budget
Find flights departing from Seattle 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 13 June 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches
Fly to
Route
Depart
Return
Price
SeattlePhoenix
SEA - PHX
SEAPHX
Seattle/Tacoma Intl
Fri 15/8
07:55-10:52
Nonstop2h 57m
Phoenix Sky Harbor Intl
Fri 15/8
13:55-17:00
Nonstop3h 05m
SeattlePhoenix
SEA - PHX
SEAPHX
Seattle/Tacoma Intl
Wed 3/9
14:55-22:10
1 stop7h 15m
Phoenix Sky Harbor Intl
Sun 7/9
18:45-21:45
Nonstop3h 00m
SeattlePhoenix
SEA - PHX
SEAPHX
Seattle/Tacoma Intl
Sat 2/8
09:54-12:55
Nonstop3h 01m
Phoenix Sky Harbor Intl
Thu 7/8
13:55-17:00
Nonstop3h 05m
SeattlePhoenix
SEA - PHX
SEAPHX
Seattle/Tacoma Intl
Sat 26/7
12:13-15:17
Nonstop3h 04m
Phoenix Sky Harbor Intl
Sat 2/8
06:48-10:02
Nonstop3h 14m
SeattlePhoenix
SEA - PHX
SEAPHX
Seattle/Tacoma Intl
Tue 15/7
07:20-10:16
Nonstop2h 56m
Phoenix Sky Harbor Intl
Wed 16/7
05:55-08:55
Nonstop3h 00m
SeattlePhoenix
SEA - PHX
SEAPHX
Seattle/Tacoma Intl
Sat 26/7
05:10-10:48
1 stop5h 38m
Phoenix Sky Harbor Intl
Sat 2/8
06:48-10:02
Nonstop3h 14m
SeattlePhoenix
SEA - PHX
SEAPHX
Seattle/Tacoma Intl
Wed 25/6
05:05-10:59
1 stop5h 54m
Phoenix Sky Harbor Intl
Fri 18/7
16:13-22:16
1 stop6h 03m
SeattleNewark
SEA - EWR
SEAEWR
Seattle/Tacoma Intl
Wed 2/7
14:35-22:59
Nonstop5h 24m
Newark
Fri 11/7
16:47-22:59
1 stop9h 12m
SeattleNewark
SEA - EWR
SEAEWR
Seattle/Tacoma Intl
Sat 12/7
19:55-15:34
1 stop16h 39m
Newark
Mon 14/7
19:29-09:47
1 stop17h 18m
SeattleNewark
SEA - EWR
SEAEWR
Seattle/Tacoma Intl
Mon 25/8
16:59-05:59
1 stop10h 00m
Newark
Thu 28/8
09:00-16:50
1 stop10h 50m
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.
Travel insights for flights from Seattle
Get recent, data-driven insights about flights from Seattle including ideal travel times, pricing trends, and more.
When is the best time to book a flight from Seattle?
Use this chart to determine the optimal time to book a return flight from Seattle to Heathrow. Price data was last updated on 9 June 2025.
Booking 32 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Seattle?
Currently, November is the cheapest month in which you can book a flight from Seattle (average of £353). Flying from Seattle in June will prove the most costly (average of £585). 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 Seattle?
Many airlines operate round-trip flights from Seattle: Virgin Atlantic, British Airways, Icelandair. These airlines fly to the following popular destinations: London.
What are popular destinations to fly to from Seattle?
If you’re flying from Seattle, these routes are more frequently taken by airlines Chicago (723 flights per day), Los Angeles (498 flights per day) and San Francisco (441 flights per day).
What is the cheapest place to fly to from Seattle?
The cheapest city to fly to from Seattle is Las Vegas Harry Reid Intl, with prices starting at £37. Explore other affordable destinations below.
Airline reviews for flights from Seattle
Get insights into the airlines that provide service 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 airline for your flight from Seattle. In the last 7 days, Cheapflights users made a total of 858,174 searches.
Food
Entertainment
Boarding
Overall
Comfort
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Entertainment
Boarding
Overall
Comfort
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Entertainment
Boarding
Overall
Comfort
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Entertainment
Boarding
Overall
Comfort
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Entertainment
Boarding
Overall
Comfort
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Entertainment
Boarding
Overall
Comfort
Crew
Reviews
Kim,May 2025
PIH - SLC
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Direct flights from Washington
Book a direct flight from one of these other cities located in Washington.
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 13 June 2025.
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How does Cheapflights help users find flights from Seattle?
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Why should you use Cheapflights to find cheap flight tickets from Seattle?
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Can Cheapflights find flights from Seattle with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Seattle flexibly with Cheapflights today.
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Not ready to book yet? You can track prices for flights from Seattle on Cheapflights with our Price Alerts feature and get notified when better prices are available.