Flights to Northwest Seattle, Seattle from NT$4,605

View NT$2,447 flight on Mon, 2026/5/11Opens in a new window

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How much is the cheapest flight to Northwest Seattle?

Prices were available within the past 7 days and start at NT$2,447 for one-way flights and NT$4,605 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Apr 25 - Sun, Apr 26
SFO
San Francisco
SEA
Seattle
NT$4,605 Roundtrip, found 5 days ago
NT$4,605
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Apr 25 from San Francisco to Seattle, returning Sun, Apr 26, priced at NT$4,605 found 5 days ago
Alaska Airlines
Wed, Jun 3 - Mon, Jun 15
SFO
San Francisco
SEA
Seattle
NT$6,364 Roundtrip, found 5 days ago
NT$6,364
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Wed, Jun 3 from San Francisco to Seattle, returning Mon, Jun 15, priced at NT$6,364 found 5 days ago
United
Sat, Apr 25 - Sun, Apr 26
SFO
San Francisco
SEA
Seattle
NT$7,164 Roundtrip, found 5 days ago
NT$7,164
Roundtrip
found 5 days ago
Select United flight, departing Sat, Apr 25 from San Francisco to Seattle, returning Sun, Apr 26, priced at NT$7,164 found 5 days ago
American Airlines
Sat, May 9 - Sun, May 10
LAX
Los Angeles
PAE
Seattle
NT$8,540 Roundtrip, found 6 days ago
NT$8,540
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, May 9 from Los Angeles to Seattle, returning Sun, May 10, priced at NT$8,540 found 6 days ago
Korean Air
Thu, Jan 14 - Mon, Jan 18
TPE
Taipei
SEA
Seattle
NT$22,853 Roundtrip, found 15 hours ago
NT$22,853
Roundtrip
found 15 hours ago
Select Korean Air flight, departing Thu, Jan 14 from Taipei to Seattle, returning Mon, Jan 18, priced at NT$22,853 found 15 hours ago

Alternative airports

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Flights from NT$6,291
SEA
Seattle - Tacoma Intl.
Cheapest
Flights from NT$6,291

Frequently asked questions

How do I find cheap flights to Northwest Seattle that have flexible change policies?
By using our smart "No change fee" filter, that's how. All you have to do is enter your preferred dates and destination, click "Search," then check the box directly under the "Flexible change policies" subheading (it's on the left of your screen). Expedia makes it easy to find flexible, low-priced tickets to Northwest Seattle.
Which airlines fly to Northwest Seattle?
When it's time for a well-earned break, these top airlines will make journeying to Northwest Seattle a total breeze:

  • Kenmore Air - 243 flights to or near Northwest Seattle each month, including 243 flights to Boeing Field Airport (BFI) per month.
  • Sun Country Airlines - 4 flights to or near Northwest Seattle each month, including 4 flights to Boeing Field Airport (BFI) per month.

How can I find cheap tickets to Northwest Seattle?
A great strategy for finding cheap airfares is to be flexible with your travel dates. Start by searching for your flight to Northwest Seattle, then click on the "flexible dates" box for a list of prices for nearby days. Want another tip? Book ahead of time. To give you an idea of costs, NT$4,605 was the best price for a flight to Northwest Seattle in the last seven days.
How much is a flight to Northwest Seattle?
In the last seven days, return airfares to Northwest Seattle sold for as low as NT$4,605 and reached a maximum of NT$22,853. For one-way fares departing from San Francisco (SFO), the lowest price during this time was just NT$2,447.
What are the most popular airports to fly into in Northwest Seattle?
Book your flight to Boeing Field Airport (BFI) and sample the best that Northwest Seattle has to offer. As the region's main entry point, around 247 flights land here every month.
When is the cheapest time to fly to Northwest Seattle?
If you're not fixed on your travel dates to Northwest Seattle, depart early in the week. The cheapest day to take off is usually Tuesday, followed closely by Monday. Saturday is typically the costliest day, with a lot of people choosing to take off on the weekend.
How much is a plane ticket to Northwest Seattle?
In the last seven days, ticket prices to Northwest Seattle ranged from NT$4,605 to NT$22,853.
What months are the cheapest to book a flight to Northwest Seattle?
February is the most affordable month to reserve a seat for your Northwest Seattle adventure. Fares are at a premium during December, so avoid this time if you can.

Travel information

Destination airport
Seattle - Tacoma Intl.
Destination airport IATA code
SEA
Destination city name
Seattle
Roundtrip price
NT$4,605

Trending flights to Northwest Seattle

Prices were available within the past 7 days and start at NT$2,447 for one-way flights and NT$4,605 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, May 7 - Fri, Oct 9
TPE
Taipei
SEA
Seattle
NT$20,687 Roundtrip, just found
NT$20,687
Roundtrip
just found
Select Delta flight, departing Thu, May 7 from Taipei to Seattle, returning Fri, Oct 9, priced at NT$20,687 just found

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