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Cheap Flights to King County from NT$10,534

View NT$10,534 flight on Thu, 2026/9/10Opens in a new window

Popular airlines to King County

  • Alaska Airlines

  • Delta

  • American Airlines

  • United

  • Frontier Airlines

  • Southwest Airlines

  • JetBlue Airways

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How much is the cheapest flight to King County?

Prices were available within the past 7 days and start at NT$10,534 for one-way flights and NT$16,974 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, Oct 28 - Wed, Nov 11
HKG
Hong Kong SAR
SEA
Seattle
NT$16,974 Roundtrip, found 1 day ago
NT$16,974
Roundtrip
found 1 day ago
Select Air Canada flight, departing Wed, Oct 28 from Hong Kong SAR to Seattle, returning Wed, Nov 11, priced at NT$16,974 found 1 day ago
United
Wed, Oct 28 - Wed, Nov 11
HKG
Hong Kong SAR
SEA
Seattle
NT$17,155 Roundtrip, found 1 day ago
NT$17,155
Roundtrip
found 1 day ago
Select United flight, departing Wed, Oct 28 from Hong Kong SAR to Seattle, returning Wed, Nov 11, priced at NT$17,155 found 1 day ago
United
Tue, Sep 1 - Tue, Sep 1
TPE
Taipei
SEA
Seattle
NT$18,309 Roundtrip, found 7 hours ago
NT$18,309
Roundtrip
found 7 hours ago
Select United flight, departing Tue, Sep 1 from Taipei to Seattle, returning Tue, Sep 1, priced at NT$18,309 found 7 hours ago
Delta
Tue, Sep 8 - Fri, Sep 18
TPE
Taipei
SEA
Seattle
NT$21,514 Roundtrip, found 3 days ago
NT$21,514
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Sep 8 from Taipei to Seattle, returning Fri, Sep 18, priced at NT$21,514 found 3 days ago
Korean Air
Tue, Sep 8 - Fri, Sep 18
TPE
Taipei
SEA
Seattle
NT$22,060 Roundtrip, found 3 days ago
NT$22,060
Roundtrip
found 3 days ago
Select Korean Air flight, departing Tue, Sep 8 from Taipei to Seattle, returning Fri, Sep 18, priced at NT$22,060 found 3 days ago
Cathay Pacific
Mon, Feb 8 - Tue, Feb 9
TPE
Taipei
SEA
Seattle
NT$22,259 Roundtrip, found 1 day ago
NT$22,259
Roundtrip
found 1 day ago
Select Cathay Pacific flight, departing Mon, Feb 8 from Taipei to Seattle, returning Tue, Feb 9, priced at NT$22,259 found 1 day ago
Asiana Airlines
Tue, Sep 1 - Wed, Nov 11
TPE
Taipei
SEA
Seattle
NT$23,269 Roundtrip, just found
NT$23,269
Roundtrip
just found
Select Asiana Airlines flight, departing Tue, Sep 1 from Taipei to Seattle, returning Wed, Nov 11, priced at NT$23,269 just found
STARLUX Airlines
Wed, Oct 28 - Wed, Nov 11
HKG
Hong Kong SAR
SEA
Seattle
NT$23,886 Roundtrip, found 1 day ago
NT$23,886
Roundtrip
found 1 day ago
Select STARLUX Airlines flight, departing Wed, Oct 28 from Hong Kong SAR to Seattle, returning Wed, Nov 11, priced at NT$23,886 found 1 day ago
EVA Airways
Wed, Oct 28 - Wed, Nov 11
HKG
Hong Kong SAR
SEA
Seattle
NT$24,132 Roundtrip, found 1 day ago
NT$24,132
Roundtrip
found 1 day ago
Select EVA Airways flight, departing Wed, Oct 28 from Hong Kong SAR to Seattle, returning Wed, Nov 11, priced at NT$24,132 found 1 day ago
China Airlines
Tue, Nov 10 - Tue, Nov 24
HKG
Hong Kong SAR
SEA
Seattle
NT$24,146 Roundtrip, found 8 hours ago
NT$24,146
Roundtrip
found 8 hours ago
Select China Airlines flight, departing Tue, Nov 10 from Hong Kong SAR to Seattle, returning Tue, Nov 24, priced at NT$24,146 found 8 hours ago

Trending flights to King County

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Sep 1 - Tue, Sep 1
TPE
Taipei
SEA
Seattle
NT$18,309 Roundtrip, found 7 hours ago
NT$18,309
Roundtrip
found 7 hours ago
Select United flight, departing Tue, Sep 1 from Taipei to Seattle, returning Tue, Sep 1, priced at NT$18,309 found 7 hours ago

Frequently asked questions

How do I find cheap flights to King County that have flexible change policies?
We know that things can change in the blink of an eye, so locking in a flexible ticket with Expedia is always a clever idea. Tick the "No change fee" box underneath the "Flexible change policies" filter. Your low-cost, flexible flight to King County is only a few clicks away.
Which airlines fly to King County?
When you're ready to book your ticket to or near King County, these carriers look forward to welcoming you on board:

  • Alaska Airlines - 8,781 flights to or near King County each month, including 8,781 flights to Seattle - Tacoma Intl. Airport (SEA) per month.
  • Delta Air Lines - 4,186 flights to or near King County each month, including 4,186 flights to Seattle - Tacoma Intl. Airport (SEA) per month.
  • United Airlines - 828 flights to or near King County each month, including 828 flights to Seattle - Tacoma Intl. Airport (SEA) per month.

How can I find cheap tickets to King County?
Book in advance, fly in or out of nearby airports, avoid peak travel periods — there are plenty of ways! One more is to take advantage of Expedia's "flexible dates" feature. Search for your King County flight, then compare the prices for nearby dates. In the last seven days, the best price for a flight to King County was NT$16,974.
How much is a flight to King County?
There were plenty of affordable fares for the taking in the last seven days, with the price of a return flight to King County ranging between NT$16,974 and NT$24,146. Many lucky travelers nabbed one-way tickets from Hong Kong SAR (HKG) for only NT$10,534.
What are the most popular airports to fly into in King County?
Depending on which carrier you travel with and departure city, one of these leading airports will be your entry point to King County:

  • Seattle - Tacoma Intl. Airport (SEA) - 15,456 flights per month.
  • Boeing Field Airport (BFI) - 247 flights per month.

When is the cheapest time to fly to King County?
If you'd prefer to spend your money experiencing King County rather than on your flight there, depart early in the week. The most cost-effective day to travel is generally Tuesday, with Monday running a close second. With many folks traveling over the weekend, Saturday often has the highest fares.
How much is a plane ticket to King County?
In the last seven days, plane fares to King County varied from NT$16,974 to NT$24,146.
What is the best time to go to King County?
A terrific time to check out Seattle is after June 20 when summer starts. In King County's most populated city, temperatures range from 55ºF to 75ºF during this time — glorious weather for touring around! March, April and May are the most popular months for tourists.
What months are the cheapest to book a flight to King County?
February is the cheapest month to reserve a seat for your King County adventure. Airfares cost the most over the festive month of December, so steer clear of this time if possible.
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