Cheap Flights to Jefferson County from NT$13,231

View NT$13,231 flight on Thu, 2026/9/3Opens in a new window

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Popular airlines to Jefferson County

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  • Delta

  • American Airlines

  • United

  • Southwest Airlines

  • Frontier Airlines

  • JetBlue Airways

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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$13,231 for one-way flights and NT$20,107 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, Sep 25 - Mon, Sep 28
TPE
Taipei
SEA
Seattle
NT$20,107 Roundtrip, found 1 day ago
NT$20,107
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Sep 25 from Taipei to Seattle, returning Mon, Sep 28, priced at NT$20,107 found 1 day ago
Delta
Wed, Sep 23 - Mon, Oct 12
TPE
Taipei
SEA
Seattle
NT$20,109 Roundtrip, found 3 days ago
NT$20,109
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Sep 23 from Taipei to Seattle, returning Mon, Oct 12, priced at NT$20,109 found 3 days ago
Delta
Thu, Sep 24 - Mon, Sep 28
TPE
Taipei
SEA
Seattle
NT$20,142 Roundtrip, found 13 hours ago
NT$20,142
Roundtrip
found 13 hours ago
Select Delta flight, departing Thu, Sep 24 from Taipei to Seattle, returning Mon, Sep 28, priced at NT$20,142 found 13 hours ago
Delta
Thu, Sep 3 - Thu, Sep 10
TPE
Taipei
SEA
Seattle
NT$20,154 Roundtrip, just found
NT$20,154
Roundtrip
just found
Select Delta flight, departing Thu, Sep 3 from Taipei to Seattle, returning Thu, Sep 10, priced at NT$20,154 just found
Asiana Airlines
Tue, Sep 29 - Fri, Oct 16
TPE
Taipei
SEA
Seattle
NT$25,927 Roundtrip, found 2 days ago
NT$25,927
Roundtrip
found 2 days ago
Select Asiana Airlines flight, departing Tue, Sep 29 from Taipei to Seattle, returning Fri, Oct 16, priced at NT$25,927 found 2 days ago
United
Thu, Sep 24 - Thu, Sep 24
TPE
Taipei
SEA
Seattle
NT$26,756 Roundtrip, found 5 hours ago
NT$26,756
Roundtrip
found 5 hours ago
Select United flight, departing Thu, Sep 24 from Taipei to Seattle, returning Thu, Sep 24, priced at NT$26,756 found 5 hours ago
China Airlines
Tue, Sep 22 - Wed, Oct 21
TPE
Taipei
SEA
Seattle
NT$26,966 Roundtrip, found 5 hours ago
NT$26,966
Roundtrip
found 5 hours ago
Select China Airlines flight, departing Tue, Sep 22 from Taipei to Seattle, returning Wed, Oct 21, priced at NT$26,966 found 5 hours ago
All Nippon Airways
Sun, Nov 8 - Thu, Nov 12
TSA
Taipei
SEA
Seattle
NT$27,116 Roundtrip, found 2 days ago
NT$27,116
Roundtrip
found 2 days ago
Select All Nippon Airways flight, departing Sun, Nov 8 from Taipei to Seattle, returning Thu, Nov 12, priced at NT$27,116 found 2 days ago
Korean Air
Wed, Jun 17 - Tue, Jul 7
TPE
Taipei
SEA
Seattle
NT$27,253 Roundtrip, found 1 day ago
NT$27,253
Roundtrip
found 1 day ago
Select Korean Air flight, departing Wed, Jun 17 from Taipei to Seattle, returning Tue, Jul 7, priced at NT$27,253 found 1 day ago
STARLUX Airlines
Thu, Sep 17 - Mon, Sep 28
TPE
Taipei
SEA
Seattle
NT$27,849 Roundtrip, just found
NT$27,849
Roundtrip
just found
Select STARLUX Airlines flight, departing Thu, Sep 17 from Taipei to Seattle, returning Mon, Sep 28, priced at NT$27,849 just found

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.

Delta
Fri, Sep 25 - Mon, Sep 28
TPE
Taipei
SEA
Seattle
NT$20,107 Roundtrip, found 1 day ago
NT$20,107
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Sep 25 from Taipei to Seattle, returning Mon, Sep 28, priced at NT$20,107 found 1 day 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$20,107 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$20,107 and NT$27,849. If you were flying one way from Taipei (TPE), you could have gotten a great deal from just NT$13,231.
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$20,107 and NT$27,849. 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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