Cheap Flights to Jefferson County from ₩617,600

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

  • JetBlue Airways

    JetBlue Airways

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 40% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

How much is the cheapest flight to Jefferson County?

Prices were available within the past 7 days and start at ₩617,600 for one-way flights and ₩706,600 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Wed, Oct 29 - Wed, Nov 5
ICN
Seoul
SEA
Seattle
₩706,600 Roundtrip, found 5 days ago
₩706,600
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Wed, Oct 29 from Seoul to Seattle, returning Wed, Nov 5, priced at ₩706,600 found 5 days ago
United
Thu, Oct 30 - Fri, Nov 14
ICN
Seoul
SEA
Seattle
₩719,100 Roundtrip, found 5 days ago
₩719,100
Roundtrip
found 5 days ago
Select United flight, departing Thu, Oct 30 from Seoul to Seattle, returning Fri, Nov 14, priced at ₩719,100 found 5 days ago
Hawaiian Airlines
Sat, Sep 13 - Fri, Sep 26
ICN
Seoul
SEA
Seattle
₩748,800 Roundtrip, just found
₩748,800
Roundtrip
just found
Select Hawaiian Airlines flight, departing Sat, Sep 13 from Seoul to Seattle, returning Fri, Sep 26, priced at ₩748,800 just found
Alaska Airlines
Fri, Dec 19 - Wed, Dec 31
ICN
Seoul
SEA
Seattle
₩749,500 Roundtrip, found 2 days ago
₩749,500
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Fri, Dec 19 from Seoul to Seattle, returning Wed, Dec 31, priced at ₩749,500 found 2 days ago
Delta
Tue, Dec 16 - Thu, Jan 1
ICN
Seoul
SEA
Seattle
₩875,000 Roundtrip, just found
₩875,000
Roundtrip
just found
Select Delta flight, departing Tue, Dec 16 from Seoul to Seattle, returning Thu, Jan 1, priced at ₩875,000 just found
American Airlines
Fri, Sep 19 - Sun, Sep 21
ICN
Seoul
SEA
Seattle
₩879,100 Roundtrip, found 4 days ago
₩879,100
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Sep 19 from Seoul to Seattle, returning Sun, Sep 21, priced at ₩879,100 found 4 days ago
Korean Air
Sat, Sep 20 - Sat, Sep 27
ICN
Seoul
SEA
Seattle
₩932,150 Roundtrip, found 2 hours ago
₩932,150
Roundtrip
found 2 hours ago
Select Korean Air flight, departing Sat, Sep 20 from Seoul to Seattle, returning Sat, Sep 27, priced at ₩932,150 found 2 hours ago
Air Canada
Thu, Oct 23 - Fri, Oct 31
ICN
Seoul
SEA
Seattle
₩1,023,800 Roundtrip, found 4 hours ago
₩1,023,800
Roundtrip
found 4 hours ago
Select Air Canada flight, departing Thu, Oct 23 from Seoul to Seattle, returning Fri, Oct 31, priced at ₩1,023,800 found 4 hours ago
WestJet
Sat, Oct 11 - Thu, Oct 16
ICN
Seoul
SEA
Seattle
₩1,083,700 Roundtrip, found 5 days ago
₩1,083,700
Roundtrip
found 5 days ago
Select WestJet flight, departing Sat, Oct 11 from Seoul to Seattle, returning Thu, Oct 16, priced at ₩1,083,700 found 5 days ago
Singapore Airlines
Thu, Dec 25 - Thu, Jan 22
PNH
Phnom Penh
SEA
Seattle
₩1,124,800 Roundtrip, found 10 hours ago
₩1,124,800
Roundtrip
found 10 hours ago
Select Singapore Airlines flight, departing Thu, Dec 25 from Phnom Penh to Seattle, returning Thu, Jan 22, priced at ₩1,124,800 found 10 hours ago

About Jefferson County

Expedia offers flights to Jefferson County to meet every traveler'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, ₩706,600 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 ₩706,600 and ₩1,124,800. If you were flying one way from Seoul (ICN), you could have gotten a great deal from just ₩617,600.
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 ₩706,600 and ₩1,124,800. 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 55ºF and 65ºF.
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, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Wed, Oct 29 - Wed, Nov 5
ICN
Seoul
SEA
Seattle
₩706,600 Roundtrip, found 5 days ago
₩706,600
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Wed, Oct 29 from Seoul to Seattle, returning Wed, Nov 5, priced at ₩706,600 found 5 days ago
*Available to Expedia members.