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Cheap flights to Jefferson County

View €328 flight on Thu, 27 Aug 2026Opens in a new window

Flight 1

Flight 2

Popular airlines to Jefferson County

  • Alaska Airlines

  • Delta

  • American Airlines

  • United

  • Southwest Airlines

  • Frontier 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 €328 for one-way flights and €541 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Fri, 11 Sept - Sat, 19 Sept
DUB
Dublin
SEA
Seattle
€541 Return, found 5 days ago
€541
Return
found 5 days ago
Select Scandinavian Airlines flight, departing Fri, 11 Sept from Dublin to Seattle, returning Sat, 19 Sept, priced at €541 found 5 days ago
Scandinavian Airlines
Fri, 11 Sept - Fri, 25 Sept
DUB
Dublin
SEA
Seattle
€550 Return, found 7 hours ago
€550
Return
found 7 hours ago
Select Scandinavian Airlines flight, departing Fri, 11 Sept from Dublin to Seattle, returning Fri, 25 Sept, priced at €550 found 7 hours ago
Icelandair
Wed, 7 Apr - Thu, 22 Apr
LGW
London
SEA
Seattle
€572 Return, found 4 hours ago
€572
Return
found 4 hours ago
Select Icelandair flight, departing Wed, 7 Apr from London to Seattle, returning Thu, 22 Apr, priced at €572 found 4 hours ago
British Airways
Mon, 2 Nov - Sun, 15 Nov
DUB
Dublin
SEA
Seattle
€595 Return, found 5 hours ago
€595
Return
found 5 hours ago
Select British Airways flight, departing Mon, 2 Nov from Dublin to Seattle, returning Sun, 15 Nov, priced at €595 found 5 hours ago
JetBlue Airways
Thu, 27 Aug - Sat, 29 Aug
DUB
Dublin
SEA
Seattle
€608 Return, found 5 days ago
€608
Return
found 5 days ago
Select JetBlue Airways flight, departing Thu, 27 Aug from Dublin to Seattle, returning Sat, 29 Aug, priced at €608 found 5 days ago
American Airlines
Sun, 13 Dec - Mon, 28 Dec
DUB
Dublin
SEA
Seattle
€608 Return, found 1 day ago
€608
Return
found 1 day ago
Select American Airlines flight, departing Sun, 13 Dec from Dublin to Seattle, returning Mon, 28 Dec, priced at €608 found 1 day ago
Iberia
Wed, 18 Nov - Mon, 23 Nov
DUB
Dublin
SEA
Seattle
€616 Return, found 9 hours ago
€616
Return
found 9 hours ago
Select Iberia flight, departing Wed, 18 Nov from Dublin to Seattle, returning Mon, 23 Nov, priced at €616 found 9 hours ago
KLM
Thu, 26 Nov - Sat, 5 Dec
DUB
Dublin
SEA
Seattle
€658 Return, found 3 days ago
€658
Return
found 3 days ago
Select KLM flight, departing Thu, 26 Nov from Dublin to Seattle, returning Sat, 5 Dec, priced at €658 found 3 days ago
Condor
Mon, 25 Jan - Sun, 31 Jan
LGW
London
SEA
Seattle
€660 Return, found 22 hours ago
€660
Return
found 22 hours ago
Select Condor flight, departing Mon, 25 Jan from London to Seattle, returning Sun, 31 Jan, priced at €660 found 22 hours ago
Finnair
Fri, 11 Sept - Fri, 25 Sept
DUB
Dublin
SEA
Seattle
€689 Return, found 7 hours ago
€689
Return
found 7 hours ago
Select Finnair flight, departing Fri, 11 Sept from Dublin to Seattle, returning Fri, 25 Sept, priced at €689 found 7 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.

Scandinavian Airlines
Fri, 11 Sept - Sat, 19 Sept
DUB
Dublin
SEA
Seattle
€541 Return, found 5 days ago
€541
Return
found 5 days ago
Select Scandinavian Airlines flight, departing Fri, 11 Sept from Dublin to Seattle, returning Sat, 19 Sept, priced at €541 found 5 days 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, €541 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 €541 and €689. If you were flying one way from Dublin (DUB), you could have gotten a great deal from just €328.
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 €541 and €689. 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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