Cheap Flights to Jefferson County from NT$1,515

View NT$1,515 flight on Tue, 2026/1/27Opens in a new window

Popular airlines to Jefferson County

  • Alaska Airlines

    Alaska Airlines

  • American Airlines

    American Airlines

  • United

    United

  • Delta

    Delta

  • Southwest Airlines

    Southwest Airlines

  • Frontier Airlines

    Frontier Airlines

  • Air Canada

    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$1,515 for one-way flights and NT$3,059 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Jan 15 - Sun, Jan 18
LAS
Las Vegas
SEA
Seattle
NT$3,059 Roundtrip, found 3 hours ago
NT$3,059
Roundtrip
found 3 hours ago
Select Delta flight, departing Thu, Jan 15 from Las Vegas to Seattle, returning Sun, Jan 18, priced at NT$3,059 found 3 hours ago
Delta
Mon, Feb 9 - Fri, Feb 20
LAS
Las Vegas
SEA
Seattle
NT$3,062 Roundtrip, found 1 day ago
NT$3,062
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Feb 9 from Las Vegas to Seattle, returning Fri, Feb 20, priced at NT$3,062 found 1 day ago
Alaska Airlines
Sun, Feb 15 - Mon, Mar 2
LAS
Las Vegas
SEA
Seattle
NT$3,364 Roundtrip, found 10 hours ago
NT$3,364
Roundtrip
found 10 hours ago
Select Alaska Airlines flight, departing Sun, Feb 15 from Las Vegas to Seattle, returning Mon, Mar 2, priced at NT$3,364 found 10 hours ago
Alaska Airlines
Sat, Feb 14 - Wed, Mar 4
LAS
Las Vegas
PAE
Seattle
NT$3,681 Roundtrip, found 1 day ago
NT$3,681
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Feb 14 from Las Vegas to Seattle, returning Wed, Mar 4, priced at NT$3,681 found 1 day ago
Delta
Thu, Jan 8 - Sun, Jan 11
LAS
Las Vegas
SEA
Seattle
NT$3,685 Roundtrip, found 5 days ago
NT$3,685
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Jan 8 from Las Vegas to Seattle, returning Sun, Jan 11, priced at NT$3,685 found 5 days ago
Delta
Fri, Mar 20 - Mon, Mar 23
LAX
Los Angeles
SEA
Seattle
NT$3,689 Roundtrip, found 4 days ago
NT$3,689
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Mar 20 from Los Angeles to Seattle, returning Mon, Mar 23, priced at NT$3,689 found 4 days ago
Delta
Thu, Mar 5 - Wed, Mar 11
LAX
Los Angeles
SEA
Seattle
NT$3,692 Roundtrip, found 1 day ago
NT$3,692
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Mar 5 from Los Angeles to Seattle, returning Wed, Mar 11, priced at NT$3,692 found 1 day ago
American Airlines
Fri, Feb 6 - Mon, Feb 9
LAS
Las Vegas
SEA
Seattle
NT$5,126 Roundtrip, found 4 hours ago
NT$5,126
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Fri, Feb 6 from Las Vegas to Seattle, returning Mon, Feb 9, priced at NT$5,126 found 4 hours ago
United
Thu, Jan 22 - Thu, Jan 29
LAX
Los Angeles
SEA
Seattle
NT$5,901 Roundtrip, found 1 day ago
NT$5,901
Roundtrip
found 1 day ago
Select United flight, departing Thu, Jan 22 from Los Angeles to Seattle, returning Thu, Jan 29, priced at NT$5,901 found 1 day ago
Hawaiian Airlines
Thu, Jan 22 - Thu, Jan 29
LAX
Los Angeles
SEA
Seattle
NT$23,231 Roundtrip, found 1 day ago
NT$23,231
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Thu, Jan 22 from Los Angeles to Seattle, returning Thu, Jan 29, priced at NT$23,231 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$3,059 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$3,059 and NT$23,231. If you were flying one way from Las Vegas (LAS), you could have gotten a great deal from just NT$1,515.
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$3,059 and NT$23,231. 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.

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
Thu, Nov 5 - Mon, Nov 9
TPE
Taipei
SEA
Seattle
NT$18,945 Roundtrip, found 4 days ago
NT$18,945
Roundtrip
found 4 days ago
Select Cathay Pacific flight, departing Thu, Nov 5 from Taipei to Seattle, returning Mon, Nov 9, priced at NT$18,945 found 4 days ago
*Available to Expedia members.