Cheap flights to Jefferson County

View €60 flight on Mon, 2 Mar 2026Opens in a new window

Popular airlines to Jefferson County

  • Alaska Airlines

  • Delta

  • American Airlines

  • United

  • Southwest Airlines

  • Frontier Airlines

  • Air Canada

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Cheap round-trip flights to Jefferson County

Prices were available within the past 7 days and start at €60 for one-way flights and €118 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 5 Mar - Sun, 8 Mar
DEN
Denver
SEA
Seattle
€118 Return, found 2 days ago
€118
Return
found 2 days ago
Select Delta flight, departing Thu, 5 Mar from Denver to Seattle, returning Sun, 8 Mar, priced at €118 found 2 days ago
Delta
Sat, 7 Mar - Sun, 8 Mar
LAX
Los Angeles
SEA
Seattle
€125 Return, found 12 hours ago
€125
Return
found 12 hours ago
Select Delta flight, departing Sat, 7 Mar from Los Angeles to Seattle, returning Sun, 8 Mar, priced at €125 found 12 hours ago
American Airlines
Thu, 19 Mar - Sat, 18 Apr
LAX
Los Angeles
SEA
Seattle
€150 Return, found 12 hours ago
€150
Return
found 12 hours ago
Select American Airlines flight, departing Thu, 19 Mar from Los Angeles to Seattle, returning Sat, 18 Apr, priced at €150 found 12 hours ago
Delta
Thu, 5 Mar - Sun, 8 Mar
DEN
Denver
SEA
Seattle
€152 Return, found 2 days ago
€152
Return
found 2 days ago
Select Delta flight, departing Thu, 5 Mar from Denver to Seattle, returning Sun, 8 Mar, priced at €152 found 2 days ago
United
Thu, 5 Mar - Mon, 9 Mar
DEN
Denver
SEA
Seattle
€153 Return, found 3 days ago
€153
Return
found 3 days ago
Select United flight, departing Thu, 5 Mar from Denver to Seattle, returning Mon, 9 Mar, priced at €153 found 3 days ago
Delta
Thu, 19 Mar - Sat, 18 Apr
LAX
Los Angeles
SEA
Seattle
€160 Return, found 12 hours ago
€160
Return
found 12 hours ago
Select Delta flight, departing Thu, 19 Mar from Los Angeles to Seattle, returning Sat, 18 Apr, priced at €160 found 12 hours ago
Delta
Thu, 30 Apr - Tue, 5 May
DEN
Denver
SEA
Seattle
€160 Return, found 1 day ago
€160
Return
found 1 day ago
Select Delta flight, departing Thu, 30 Apr from Denver to Seattle, returning Tue, 5 May, priced at €160 found 1 day ago
Delta
Thu, 19 Mar - Sat, 18 Apr
LAX
Los Angeles
SEA
Seattle
€167 Return, found 12 hours ago
€167
Return
found 12 hours ago
Select Delta flight, departing Thu, 19 Mar from Los Angeles to Seattle, returning Sat, 18 Apr, priced at €167 found 12 hours ago
JetBlue Airways
Tue, 29 Sept - Fri, 2 Oct
LAX
Los Angeles
SEA
Seattle
€699 Return, found 1 day ago
€699
Return
found 1 day ago
Select JetBlue Airways flight, departing Tue, 29 Sept from Los Angeles to Seattle, returning Fri, 2 Oct, priced at €699 found 1 day ago
Hawaiian Airlines
Tue, 10 Feb - Tue, 17 Feb
LAX
Los Angeles
SEA
Seattle
€1,008 Return, found 12 hours ago
€1,008
Return
found 12 hours ago
Select Hawaiian Airlines flight, departing Tue, 10 Feb from Los Angeles to Seattle, returning Tue, 17 Feb, priced at €1,008 found 12 hours 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, €118 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 €118 and €1,008. If you were flying one way from Denver (DEN), you could have gotten a great deal from just €60.
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 €118 and €1,008. 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.

Icelandair
Tue, 17 Mar - Sun, 29 Mar
DUB
Dublin
SEA
Seattle
€391 Return, found 1 day ago
€391
Return
found 1 day ago
Select Icelandair flight, departing Tue, 17 Mar from Dublin to Seattle, returning Sun, 29 Mar, priced at €391 found 1 day ago
*Available to Expedia members.