Flights to Northwest Washington, Washington from NT$18,963

View NT$13,078 flight on Mon, 2026/3/30Opens in a new window

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How much is the cheapest flight to Northwest Washington?

Prices were available within the past 7 days and start at NT$13,078 for one-way flights and NT$18,963 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Oct 4 - Sun, Oct 12
TPE
Taipei
SEA
Seattle
NT$19,153 Roundtrip, just found
NT$19,153
Roundtrip
just found
Select United flight, departing Sat, Oct 4 from Taipei to Seattle, returning Sun, Oct 12, priced at NT$19,153 just found
Delta
Fri, Oct 10 - Mon, Oct 20
TPE
Taipei
SEA
Seattle
NT$22,392 Roundtrip, just found
NT$22,392
Roundtrip
just found
Select Delta flight, departing Fri, Oct 10 from Taipei to Seattle, returning Mon, Oct 20, priced at NT$22,392 just found
STARLUX Airlines
Thu, Feb 26 - Mon, Mar 2
TPE
Taipei
SEA
Seattle
NT$22,621 Roundtrip, found 12 hours ago
NT$22,621
Roundtrip
found 12 hours ago
Select STARLUX Airlines flight, departing Thu, Feb 26 from Taipei to Seattle, returning Mon, Mar 2, priced at NT$22,621 found 12 hours ago
All Nippon Airways
Wed, Jan 21 - Wed, Jan 28
TSA
Taipei
SEA
Seattle
NT$23,418 Roundtrip, found 3 days ago
NT$23,418
Roundtrip
found 3 days ago
Select All Nippon Airways flight, departing Wed, Jan 21 from Taipei to Seattle, returning Wed, Jan 28, priced at NT$23,418 found 3 days ago
Korean Air
Thu, Nov 20 - Thu, Nov 27
TPE
Taipei
SEA
Seattle
NT$24,669 Roundtrip, found 3 days ago
NT$24,669
Roundtrip
found 3 days ago
Select Korean Air flight, departing Thu, Nov 20 from Taipei to Seattle, returning Thu, Nov 27, priced at NT$24,669 found 3 days ago

Frequently asked questions

How do I find cheap flights to Northwest Washington that have flexible change policies?
By using our smart "No change fee" filter, that's how. Just enter your dates and other details, click the "Search" button, then check the box under the "Flexible change policies" heading (top left-hand side of your screen). Expedia makes it a snap to find flexible, low-cost airfares to Northwest Washington.
Which airlines fly to Northwest Washington?
A good range of airlines fly to airports in or close to Northwest Washington. Your next great adventure is only a few clicks away with these carriers:

  • Alaska Airlines - 9,327 flights to or near Northwest Washington each month, including 8,781 flights to Seattle - Tacoma Intl. Airport (SEA) and 407 flights to Snohomish County - Paine Field Airport (PAE) per month.
  • Delta Air Lines - 4,407 flights to or near Northwest Washington each month, including 4,186 flights to Seattle - Tacoma Intl. Airport (SEA) and 221 flights to Vancouver Intl. Airport (YVR) per month.
  • United Airlines - 1,279 flights to or near Northwest Washington each month, including 828 flights to Seattle - Tacoma Intl. Airport (SEA) and 450 flights to Vancouver Intl. Airport (YVR) per month.

How can I find cheap tickets to Northwest Washington?
One of the easiest ways to get a hold of cheap tickets to Northwest Washington is to be flexible with your dates. Search for your flights, then click "flexible dates" above the results. It will bring up the cheapest prices for nearby days. The lowest price for a flight to Northwest Washington in the last seven days was NT$18,963. Booking ahead of time will generally help you get an even bigger bargain.
How much is a flight to Northwest Washington?
One-way flights taking off from Taipei (TPE) sold for as little as NT$13,078 in the last seven days. During this time, the price of a return journey to Northwest Washington varied between NT$18,963 and NT$24,669. If you spot a bargain ticket, book immediately — these prices don't wait around for long.
What are the most popular airports to fly into in Northwest Washington?
Which airport you fly into in Northwest Washington will depend on where you begin your journey and your final destination. Here's a list of the most popular airports in this region:

  • Seattle - Tacoma Intl. Airport (SEA) - 15,456 flights per month.
  • Vancouver Intl. Airport (YVR) - 2,212 flights per month.
  • Snohomish County - Paine Field Airport (PAE) - 438 flights per month.

When is the cheapest time to fly to Northwest Washington?
If you're not fixed on what day you travel to Northwest Washington, fly out early in the week. The most affordable day to take off is usually Tuesday, followed by Monday. Saturday is typically the costliest day, with many vacationers preferring to take off on the weekend.
How much is a plane ticket to Northwest Washington?
In the last seven days, plane tickets to Northwest Washington fluctuated between NT$18,963 and NT$24,669. Prices rise as your travel date nears, so find a bargain today.
What months are the cheapest to book a flight to Northwest Washington?
February is the most affordable month to secure a seat for your Northwest Washington vacation. Airfares cost the most during the busy month of December, so keep clear of this time if possible.
Flights to Northwest Washington information
Destination airport
Seattle - Tacoma Intl.
Destination airport IATA code
SEA
Destination city name
Seattle
Roundtrip price
NT$5,787

Trending flights to Northwest Washington

Prices were available within the past 7 days and start at NT$13,078 for one-way flights and NT$18,963 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Oct 2 - Thu, Oct 2
TPE
Taipei
SEA
Seattle
NT$18,963 Roundtrip, found 9 hours ago
NT$18,963
Roundtrip
found 9 hours ago
Select United flight, departing Thu, Oct 2 from Taipei to Seattle, returning Thu, Oct 2, priced at NT$18,963 found 9 hours ago
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