Cheap Flights to Jefferson County from NT$11,420

View NT$11,420 flight on Sun, 2026/5/3Opens in a new window

Popular airlines to Jefferson County

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  • Delta

  • American Airlines

  • United

  • Southwest Airlines

  • Frontier Airlines

  • Air Canada

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How much is the cheapest flight to Jefferson County?

Prices were available within the past 7 days and start at NT$11,420 for one-way flights and NT$19,390 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cathay Pacific
Fri, Oct 23 - Fri, Nov 6
TPE
Taipei
SEA
Seattle
NT$19,390 Roundtrip, found 10 hours ago
NT$19,390
Roundtrip
found 10 hours ago
Select Cathay Pacific flight, departing Fri, Oct 23 from Taipei to Seattle, returning Fri, Nov 6, priced at NT$19,390 found 10 hours ago
Cathay Pacific
Mon, Mar 9 - Sat, Apr 25
TPE
Taipei
SEA
Seattle
NT$19,530 Roundtrip, found 3 days ago
NT$19,530
Roundtrip
found 3 days ago
Select Cathay Pacific flight, departing Mon, Mar 9 from Taipei to Seattle, returning Sat, Apr 25, priced at NT$19,530 found 3 days ago
Cathay Pacific
Fri, Mar 20 - Sat, Apr 4
TPE
Taipei
SEA
Seattle
NT$19,567 Roundtrip, found 1 day ago
NT$19,567
Roundtrip
found 1 day ago
Select Cathay Pacific flight, departing Fri, Mar 20 from Taipei to Seattle, returning Sat, Apr 4, priced at NT$19,567 found 1 day ago
Delta
Tue, May 19 - Sun, May 31
TPE
Taipei
SEA
Seattle
NT$19,644 Roundtrip, found 5 days ago
NT$19,644
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, May 19 from Taipei to Seattle, returning Sun, May 31, priced at NT$19,644 found 5 days ago
United
Tue, May 5 - Wed, May 6
TPE
Taipei
SEA
Seattle
NT$19,659 Roundtrip, found 3 days ago
NT$19,659
Roundtrip
found 3 days ago
Select United flight, departing Tue, May 5 from Taipei to Seattle, returning Wed, May 6, priced at NT$19,659 found 3 days ago
Cathay Pacific
Fri, Sep 18 - Thu, Oct 1
TPE
Taipei
SEA
Seattle
NT$19,908 Roundtrip, found 4 days ago
NT$19,908
Roundtrip
found 4 days ago
Select Cathay Pacific flight, departing Fri, Sep 18 from Taipei to Seattle, returning Thu, Oct 1, priced at NT$19,908 found 4 days ago
Philippine Airlines
Tue, Sep 22 - Tue, Oct 6
TPE
Taipei
SEA
Seattle
NT$22,190 Roundtrip, found 5 days ago
NT$22,190
Roundtrip
found 5 days ago
Select Philippine Airlines flight, departing Tue, Sep 22 from Taipei to Seattle, returning Tue, Oct 6, priced at NT$22,190 found 5 days ago
Korean Air
Thu, Sep 3 - Wed, Sep 9
TPE
Taipei
SEA
Seattle
NT$22,774 Roundtrip, found 4 days ago
NT$22,774
Roundtrip
found 4 days ago
Select Korean Air flight, departing Thu, Sep 3 from Taipei to Seattle, returning Wed, Sep 9, priced at NT$22,774 found 4 days ago
China Airlines
Sun, Jun 14 - Fri, Jul 10
TPE
Taipei
SEA
Seattle
NT$22,913 Roundtrip, found 4 days ago
NT$22,913
Roundtrip
found 4 days ago
Select China Airlines flight, departing Sun, Jun 14 from Taipei to Seattle, returning Fri, Jul 10, priced at NT$22,913 found 4 days ago
All Nippon Airways
Wed, Sep 2 - Wed, Sep 9
TSA
Taipei
SEA
Seattle
NT$23,470 Roundtrip, found 2 days ago
NT$23,470
Roundtrip
found 2 days ago
Select All Nippon Airways flight, departing Wed, Sep 2 from Taipei to Seattle, returning Wed, Sep 9, priced at NT$23,470 found 2 days ago

Trending flights to Jefferson 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.

Cathay Pacific
Fri, Oct 23 - Fri, Nov 6
TPE
Taipei
SEA
Seattle
NT$19,390 Roundtrip, found 10 hours ago
NT$19,390
Roundtrip
found 10 hours ago
Select Cathay Pacific flight, departing Fri, Oct 23 from Taipei to Seattle, returning Fri, Nov 6, priced at NT$19,390 found 10 hours ago

Frequently asked questions

How do I find cheap flights to Jefferson County that have flexible change policies?
When it comes to flying these days, flexibility is key. That's why we've added a "No change fee" search function to help you track down flexible, affordable fares to Jefferson County. It's near the top left of your screen right underneath the "Flexible change policies" heading.
Which airlines fly to Jefferson County?
Settle on your travel dates and then take off towards Jefferson County with one of these leading airlines:

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

How can I find cheap tickets to Jefferson County?
To nab a terrific deal to Jefferson County, book in advance. Also make use of Expedia's "flexible dates" feature at the top of your search results. This will compare prices for nearby days. In the last seven days, NT$19,390 was the best price for a flight to Jefferson County.
How much is a flight to Jefferson County?
The cost of a round-trip flight to Jefferson County in the last seven days ranged between NT$19,390 and NT$23,470. If you were flying one way from Taipei (TPE), you could have gotten a great deal from just NT$11,420.
What are the most popular airports to fly into in Jefferson County?
The primary gateway to Jefferson County, roughly 15,456 flights land at Seattle - Tacoma Intl. Airport (SEA) each month. Scout around for an unbeatable deal, lock in your fare and get ready to discover this amazing region.
When is the cheapest time to fly to Jefferson County?
Fly out on a Tuesday to boost your odds of securing the cheapest flight to Jefferson County. Mondays are usually the second most affordable day to depart. Saturday is generally the most expensive day to fly anywhere.
How much is a plane ticket to Jefferson County?
In the last seven days, plane tickets to Jefferson County ranged between NT$19,390 and NT$23,470. Prices generally depend on the departure time, cabin class, airline and how early you make your booking.
What is the best time to go to Jefferson County?
If you'd love to check out Jefferson County's leading city at its busiest, visit Port Townsend sometime during March, April and June. Similar to most places in the Northern Hemisphere, summer here begins June 20, with average temperatures of between 55ºF and 65ºF.
What months are the cheapest to book a flight to Jefferson County?
The cheapest month to land a fabulous deal to Jefferson County is February, whereas prices are at their highest in December. Avoid this month if you want to save your dollars.

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