Flights to Northwest Washington, Washington from NT$18,550

View NT$10,865 flight on Thu, 2026/3/19Opens 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$10,865 for one-way flights and NT$18,550 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cathay Pacific
Mon, Mar 30 - Sat, Apr 4
TPE
Taipei
SEA
Seattle
NT$18,550 Roundtrip, found 2 days ago
NT$18,550
Roundtrip
found 2 days ago
Select Cathay Pacific flight, departing Mon, Mar 30 from Taipei to Seattle, returning Sat, Apr 4, priced at NT$18,550 found 2 days ago
United
Wed, Oct 15 - Wed, Oct 15
TPE
Taipei
SEA
Seattle
NT$18,808 Roundtrip, found 1 day ago
NT$18,808
Roundtrip
found 1 day ago
Select United flight, departing Wed, Oct 15 from Taipei to Seattle, returning Wed, Oct 15, priced at NT$18,808 found 1 day ago
Philippine Airlines
Sun, Jun 7 - Fri, Aug 14
TPE
Taipei
SEA
Seattle
NT$21,555 Roundtrip, found 6 days ago
NT$21,555
Roundtrip
found 6 days ago
Select Philippine Airlines flight, departing Sun, Jun 7 from Taipei to Seattle, returning Fri, Aug 14, priced at NT$21,555 found 6 days ago
Delta
Sat, Oct 18 - Thu, Jan 8
TPE
Taipei
SEA
Seattle
NT$22,492 Roundtrip, found 3 days ago
NT$22,492
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Oct 18 from Taipei to Seattle, returning Thu, Jan 8, priced at NT$22,492 found 3 days ago
STARLUX Airlines
Thu, Jan 22 - Sun, Feb 8
TPE
Taipei
SEA
Seattle
NT$22,764 Roundtrip, found 3 days ago
NT$22,764
Roundtrip
found 3 days ago
Select STARLUX Airlines flight, departing Thu, Jan 22 from Taipei to Seattle, returning Sun, Feb 8, priced at NT$22,764 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$18,550. 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$10,865 in the last seven days. During this time, the price of a return journey to Northwest Washington varied between NT$18,550 and NT$22,764. 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$18,550 and NT$22,764. 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.

Travel information

Travel information

Destination airport
Seattle - Tacoma Intl.
Destination airport IATA code
SEA
Destination city name
Seattle
Roundtrip price
NT$4,754

Trending flights to Northwest Washington

Prices were available within the past 7 days and start at NT$10,865 for one-way flights and NT$18,550 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cathay Pacific
Mon, Mar 30 - Sat, Apr 4
TPE
Taipei
SEA
Seattle
NT$18,550 Roundtrip, found 2 days ago
NT$18,550
Roundtrip
found 2 days ago
Select Cathay Pacific flight, departing Mon, Mar 30 from Taipei to Seattle, returning Sat, Apr 4, priced at NT$18,550 found 2 days ago

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