Flight to Jefferson County

View S$557 flight on Wed, 4 Mar, 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 S$557 for one-way flights and S$907 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hainan Airlines
Wed, 11 Mar - Thu, 26 Mar
SIN
Singapore
SEA
Seattle
S$907 Return, found 9 hours ago
S$907
Return
found 9 hours ago
Select Hainan Airlines flight, departing Wed, 11 Mar from Singapore to Seattle, returning Thu, 26 Mar, priced at S$907 found 9 hours ago
United
Mon, 9 Mar - Tue, 10 Mar
SIN
Singapore
SEA
Seattle
S$992 Return, found 4 days ago
S$992
Return
found 4 days ago
Select United flight, departing Mon, 9 Mar from Singapore to Seattle, returning Tue, 10 Mar, priced at S$992 found 4 days ago
China Airlines
Tue, 17 Feb - Tue, 10 Mar
SIN
Singapore
SEA
Seattle
S$1,005 Return, just found
S$1,005
Return
just found
Select China Airlines flight, departing Tue, 17 Feb from Singapore to Seattle, returning Tue, 10 Mar, priced at S$1,005 just found
STARLUX Airlines
Mon, 16 Feb - Mon, 9 Mar
SIN
Singapore
SEA
Seattle
S$1,061 Return, just found
S$1,061
Return
just found
Select STARLUX Airlines flight, departing Mon, 16 Feb from Singapore to Seattle, returning Mon, 9 Mar, priced at S$1,061 just found
Singapore Airlines
Fri, 1 May - Fri, 8 May
SIN
Singapore
SEA
Seattle
S$1,089 Return, found 1 hour ago
S$1,089
Return
found 1 hour ago
Select Singapore Airlines flight, departing Fri, 1 May from Singapore to Seattle, returning Fri, 8 May, priced at S$1,089 found 1 hour ago
Delta
Tue, 17 Feb - Tue, 10 Mar
SIN
Singapore
SEA
Seattle
S$1,100 Return, just found
S$1,100
Return
just found
Select Delta flight, departing Tue, 17 Feb from Singapore to Seattle, returning Tue, 10 Mar, priced at S$1,100 just found
Korean Air
Wed, 4 Mar - Wed, 25 Mar
SIN
Singapore
SEA
Seattle
S$1,105 Return, just found
S$1,105
Return
just found
Select Korean Air flight, departing Wed, 4 Mar from Singapore to Seattle, returning Wed, 25 Mar, priced at S$1,105 just found
EVA Airways
Wed, 4 Mar - Wed, 25 Mar
SIN
Singapore
SEA
Seattle
S$1,114 Return, just found
S$1,114
Return
just found
Select EVA Airways flight, departing Wed, 4 Mar from Singapore to Seattle, returning Wed, 25 Mar, priced at S$1,114 just found
Air Canada
Thu, 12 Feb - Thu, 19 Feb
SIN
Singapore
SEA
Seattle
S$1,124 Return, found 1 day ago
S$1,124
Return
found 1 day ago
Select Air Canada flight, departing Thu, 12 Feb from Singapore to Seattle, returning Thu, 19 Feb, priced at S$1,124 found 1 day ago
All Nippon Airways
Wed, 14 Jan - Wed, 21 Jan
SIN
Singapore
SEA
Seattle
S$1,198 Return, found 1 day ago
S$1,198
Return
found 1 day ago
Select All Nippon Airways flight, departing Wed, 14 Jan from Singapore to Seattle, returning Wed, 21 Jan, priced at S$1,198 found 1 day 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.

Hainan Airlines
Wed, 11 Mar - Thu, 26 Mar
SIN
Singapore
SEA
Seattle
S$907 Return, found 9 hours ago
S$907
Return
found 9 hours ago
Select Hainan Airlines flight, departing Wed, 11 Mar from Singapore to Seattle, returning Thu, 26 Mar, priced at S$907 found 9 hours 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, S$907 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 S$907 and S$1,198. If you were flying one way from Singapore (SIN), you could have gotten a great deal from just S$557.
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 S$907 and S$1,198. 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

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.

Travel information

Jefferson County Flights Information

Airlines serving
Hainan Airlines, China Airlines, United, STARLUX Airlines, EVA Airways, Hawaiian Airlines, Delta, Korean Air, Lufthansa, American Airlines, Singapore Airlines, Air Canada, All Nippon Airways
Roundtrip price
from S$907
Jefferson County Flights Information

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