A sunset over a rocky landscape with prominent rock formations and a calm body of water reflecting the sky.

Flight Destinations in Jefferson County

View ฿17,182 flight on Thu, 25 Jun 2026Opens in a new window

Popular airlines to Jefferson County

  • Alaska Airlines

  • Delta

  • American Airlines

  • United

  • Frontier Airlines

  • Southwest Airlines

  • JetBlue Airways

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Cheap round-trip flights to Jefferson County

Prices were available within the past 7 days and start at ฿17,182 for one-way flights and ฿17,815 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Korean Air
Thu, 29 Oct - Fri, 13 Nov
CNX
Chiang Mai
SEA
Seattle
฿17,815 Return, found 1 day ago
฿17,815
Return
found 1 day ago
Select Korean Air flight, departing Thu, 29 Oct from Chiang Mai to Seattle, returning Fri, 13 Nov, priced at ฿17,815 found 1 day ago
Korean Air
Tue, 6 Oct - Tue, 20 Oct
BKK
Bangkok
SEA
Seattle
฿26,311 Return, just found
฿26,311
Return
just found
Select Korean Air flight, departing Tue, 6 Oct from Bangkok to Seattle, returning Tue, 20 Oct, priced at ฿26,311 just found
Delta
Thu, 24 Dec - Wed, 30 Dec
BKK
Bangkok
SEA
Seattle
฿26,775 Return, found 8 hours ago
฿26,775
Return
found 8 hours ago
Select Delta flight, departing Thu, 24 Dec from Bangkok to Seattle, returning Wed, 30 Dec, priced at ฿26,775 found 8 hours ago
Asiana Airlines
Sat, 31 Oct - Mon, 30 Nov
BKK
Bangkok
SEA
Seattle
฿26,895 Return, found 8 hours ago
฿26,895
Return
found 8 hours ago
Select Asiana Airlines flight, departing Sat, 31 Oct from Bangkok to Seattle, returning Mon, 30 Nov, priced at ฿26,895 found 8 hours ago
United
Thu, 10 Sept - Fri, 25 Sept
BKK
Bangkok
SEA
Seattle
฿27,125 Return, found 10 hours ago
฿27,125
Return
found 10 hours ago
Select United flight, departing Thu, 10 Sept from Bangkok to Seattle, returning Fri, 25 Sept, priced at ฿27,125 found 10 hours ago
All Nippon Airways
Tue, 6 Oct - Tue, 20 Oct
BKK
Bangkok
SEA
Seattle
฿28,135 Return, just found
฿28,135
Return
just found
Select All Nippon Airways flight, departing Tue, 6 Oct from Bangkok to Seattle, returning Tue, 20 Oct, priced at ฿28,135 just found
Hainan Airlines
Sat, 24 Oct - Sat, 31 Oct
BKK
Bangkok
SEA
Seattle
฿28,545 Return, found 13 hours ago
฿28,545
Return
found 13 hours ago
Select Hainan Airlines flight, departing Sat, 24 Oct from Bangkok to Seattle, returning Sat, 31 Oct, priced at ฿28,545 found 13 hours ago
Air Canada
Wed, 7 Oct - Wed, 21 Oct
BKK
Bangkok
SEA
Seattle
฿28,745 Return, found 1 hour ago
฿28,745
Return
found 1 hour ago
Select Air Canada flight, departing Wed, 7 Oct from Bangkok to Seattle, returning Wed, 21 Oct, priced at ฿28,745 found 1 hour ago
STARLUX Airlines
Tue, 6 Oct - Tue, 20 Oct
BKK
Bangkok
SEA
Seattle
฿28,770 Return, just found
฿28,770
Return
just found
Select STARLUX Airlines flight, departing Tue, 6 Oct from Bangkok to Seattle, returning Tue, 20 Oct, priced at ฿28,770 just found
China Airlines
Sat, 31 Oct - Mon, 30 Nov
BKK
Bangkok
SEA
Seattle
฿30,910 Return, found 8 hours ago
฿30,910
Return
found 8 hours ago
Select China Airlines flight, departing Sat, 31 Oct from Bangkok to Seattle, returning Mon, 30 Nov, priced at ฿30,910 found 8 hours ago

Trending flights to Jefferson County

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

Korean Air
Tue, 6 Oct - Tue, 20 Oct
BKK
Bangkok
SEA
Seattle
฿26,311 Return, just found
฿26,311
Return
just found
Select Korean Air flight, departing Tue, 6 Oct from Bangkok to Seattle, returning Tue, 20 Oct, priced at ฿26,311 just found

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, ฿17,815 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 ฿17,815 and ฿30,910. If you were flying one way from Chiang Mai (CNX), you could have gotten a great deal from just ฿17,182.
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.
How much is a plane ticket to Jefferson County?
In the last seven days, plane tickets to Jefferson County ranged between ฿17,815 and ฿30,910. 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 13ºC and 18ºC.
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.

Book with confidence

About Jefferson County

Expedia offers flights to Jefferson County to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Jefferson County or destinations around the world and discover how easy it is to make your flight reservations on Expedia.
About Jefferson County
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