Flight Destinations in Jefferson County

View ฿3,175 flight on Wed, 18 Feb 2026Opens in a new window

Popular airlines to Jefferson County

  • Alaska Airlines

    Alaska Airlines

  • Delta

    Delta

  • American Airlines

    American Airlines

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • Frontier Airlines

    Frontier Airlines

  • Air Canada

    Air Canada

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Cheap round-trip flights to Jefferson County

Prices were available within the past 7 days and start at ฿3,175 for one-way flights and ฿5,695 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 29 Jan - Sun, 1 Feb
LAX
Los Angeles
SEA
Seattle
฿5,695 Return, found 3 hours ago
฿5,695
Return
found 3 hours ago
Select Delta flight, departing Thu, 29 Jan from Los Angeles to Seattle, returning Sun, 1 Feb, priced at ฿5,695 found 3 hours ago
Delta
Thu, 29 Jan - Sun, 1 Feb
LAX
Los Angeles
SEA
Seattle
฿6,980 Return, found 3 hours ago
฿6,980
Return
found 3 hours ago
Select Delta flight, departing Thu, 29 Jan from Los Angeles to Seattle, returning Sun, 1 Feb, priced at ฿6,980 found 3 hours ago
American Airlines
Thu, 29 Jan - Sun, 1 Feb
LAX
Los Angeles
PAE
Seattle
฿7,615 Return, found 3 hours ago
฿7,615
Return
found 3 hours ago
Select American Airlines flight, departing Thu, 29 Jan from Los Angeles to Seattle, returning Sun, 1 Feb, priced at ฿7,615 found 3 hours ago
United
Sat, 10 Jan - Sun, 11 Jan
LAX
Los Angeles
SEA
Seattle
฿7,760 Return, found 6 days ago
฿7,760
Return
found 6 days ago
Select United flight, departing Sat, 10 Jan from Los Angeles to Seattle, returning Sun, 11 Jan, priced at ฿7,760 found 6 days ago
American Airlines
Thu, 29 Jan - Sun, 1 Feb
LAX
Los Angeles
SEA
Seattle
฿7,930 Return, found 3 hours ago
฿7,930
Return
found 3 hours ago
Select American Airlines flight, departing Thu, 29 Jan from Los Angeles to Seattle, returning Sun, 1 Feb, priced at ฿7,930 found 3 hours ago
United
Thu, 29 Jan - Sun, 1 Feb
LAX
Los Angeles
SEA
Seattle
฿7,940 Return, found 3 hours ago
฿7,940
Return
found 3 hours ago
Select United flight, departing Thu, 29 Jan from Los Angeles to Seattle, returning Sun, 1 Feb, priced at ฿7,940 found 3 hours ago
Delta
Thu, 29 Jan - Sun, 1 Feb
LAX
Los Angeles
SEA
Seattle
฿8,100 Return, found 3 hours ago
฿8,100
Return
found 3 hours ago
Select Delta flight, departing Thu, 29 Jan from Los Angeles to Seattle, returning Sun, 1 Feb, priced at ฿8,100 found 3 hours ago
Delta
Wed, 23 Sept - Sun, 27 Sept
HKT
Phuket
SEA
Seattle
฿27,235 Return, found 19 hours ago
฿27,235
Return
found 19 hours ago
Select Delta flight, departing Wed, 23 Sept from Phuket to Seattle, returning Sun, 27 Sept, priced at ฿27,235 found 19 hours ago
Korean Air
Wed, 4 Feb - Wed, 25 Feb
HKT
Phuket
SEA
Seattle
฿27,355 Return, found 1 day ago
฿27,355
Return
found 1 day ago
Select Korean Air flight, departing Wed, 4 Feb from Phuket to Seattle, returning Wed, 25 Feb, priced at ฿27,355 found 1 day ago
Air Canada
Wed, 4 Feb - Wed, 25 Feb
HKT
Phuket
SEA
Seattle
฿29,155 Return, found 1 day ago
฿29,155
Return
found 1 day ago
Select Air Canada flight, departing Wed, 4 Feb from Phuket to Seattle, returning Wed, 25 Feb, priced at ฿29,155 found 1 day ago

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.

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, ฿5,695 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 ฿5,695 and ฿29,155. If you were flying one way from Los Angeles (LAX), you could have gotten a great deal from just ฿3,175.
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 ฿5,695 and ฿29,155. 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.

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.

Delta
Wed, 23 Sept - Sun, 27 Sept
HKT
Phuket
SEA
Seattle
฿27,235 Return, found 19 hours ago
฿27,235
Return
found 19 hours ago
Select Delta flight, departing Wed, 23 Sept from Phuket to Seattle, returning Sun, 27 Sept, priced at ฿27,235 found 19 hours ago
*Available to Expedia members.