Jefferson County Flights - Book Cheap Flights to Jefferson County

View RM434 flight on Sat, 16 May 2026Opens in a new window

Popular airlines to Jefferson County

  • Alaska Airlines

  • Delta

  • American Airlines

  • United

  • Southwest Airlines

  • Frontier Airlines

  • JetBlue Airways

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Jefferson County

Prices were available within the past 7 days and start at RM434 for one-way flights and RM983 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, 12 May - Sat, 16 May
LAX
Los Angeles
SEA
Seattle
RM983 Return, found 1 day ago
RM983
Return
found 1 day ago
Select American Airlines flight, departing Tue, 12 May from Los Angeles to Seattle, returning Sat, 16 May, priced at RM983 found 1 day ago
United
Tue, 12 May - Sat, 16 May
LAX
Los Angeles
SEA
Seattle
RM983 Return, found 1 day ago
RM983
Return
found 1 day ago
Select United flight, departing Tue, 12 May from Los Angeles to Seattle, returning Sat, 16 May, priced at RM983 found 1 day ago
Delta
Tue, 12 May - Sat, 16 May
LAX
Los Angeles
SEA
Seattle
RM1,181 Return, found 1 day ago
RM1,181
Return
found 1 day ago
Select Delta flight, departing Tue, 12 May from Los Angeles to Seattle, returning Sat, 16 May, priced at RM1,181 found 1 day ago
American Airlines
Tue, 12 May - Sat, 16 May
LAX
Los Angeles
PAE
Seattle
RM1,738 Return, found 1 day ago
RM1,738
Return
found 1 day ago
Select American Airlines flight, departing Tue, 12 May from Los Angeles to Seattle, returning Sat, 16 May, priced at RM1,738 found 1 day ago
United
Tue, 1 Sept - Tue, 15 Sept
SIN
Singapore
SEA
Seattle
RM2,982 Return, found 5 days ago
RM2,982
Return
found 5 days ago
Select United flight, departing Tue, 1 Sept from Singapore to Seattle, returning Tue, 15 Sept, priced at RM2,982 found 5 days ago
Korean Air
Wed, 11 Nov - Wed, 25 Nov
SIN
Singapore
SEA
Seattle
RM3,180 Return, found 1 day ago
RM3,180
Return
found 1 day ago
Select Korean Air flight, departing Wed, 11 Nov from Singapore to Seattle, returning Wed, 25 Nov, priced at RM3,180 found 1 day ago
All Nippon Airways
Tue, 1 Sept - Tue, 15 Sept
SIN
Singapore
SEA
Seattle
RM3,595 Return, found 5 days ago
RM3,595
Return
found 5 days ago
Select All Nippon Airways flight, departing Tue, 1 Sept from Singapore to Seattle, returning Tue, 15 Sept, priced at RM3,595 found 5 days ago
STARLUX Airlines
Wed, 11 Nov - Wed, 25 Nov
SIN
Singapore
SEA
Seattle
RM3,870 Return, found 1 day ago
RM3,870
Return
found 1 day ago
Select STARLUX Airlines flight, departing Wed, 11 Nov from Singapore to Seattle, returning Wed, 25 Nov, priced at RM3,870 found 1 day ago
Qatar Airways
Wed, 14 Oct - Wed, 21 Oct
SIN
Singapore
SEA
Seattle
RM3,987 Return, found 1 day ago
RM3,987
Return
found 1 day ago
Select Qatar Airways flight, departing Wed, 14 Oct from Singapore to Seattle, returning Wed, 21 Oct, priced at RM3,987 found 1 day ago
China Airlines
Tue, 8 Dec - Sun, 27 Dec
SIN
Singapore
SEA
Seattle
RM4,077 Return, found 4 days ago
RM4,077
Return
found 4 days ago
Select China Airlines flight, departing Tue, 8 Dec from Singapore to Seattle, returning Sun, 27 Dec, priced at RM4,077 found 4 days 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.

Qatar Airways
Fri, 13 Nov - Fri, 27 Nov
KUL
Kuala Lumpur
SEA
Seattle
RM3,829 Return, found 6 hours ago
RM3,829
Return
found 6 hours ago
Select Qatar Airways flight, departing Fri, 13 Nov from Kuala Lumpur to Seattle, returning Fri, 27 Nov, priced at RM3,829 found 6 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, RM983 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 RM983 and RM4,077. If you were flying one way from Los Angeles (LAX), you could have gotten a great deal from just RM434.
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 RM983 and RM4,077. 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.

Explore a world of travel with Expedia

*Available to Expedia members.