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Cheap Flights to Jefferson County from ₩584,900

View ₩584,900 flight on Thu, Nov 19, 2026Opens in a new window

Popular airlines to Jefferson County

  • Alaska Airlines

  • Delta

  • American Airlines

  • United

  • Southwest Airlines

  • Frontier Airlines

  • JetBlue Airways

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How much is the cheapest flight to Jefferson County?

Prices were available within the past 7 days and start at ₩584,900 for one-way flights and ₩1,177,300 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Nov 5 - Thu, Nov 26
CGK
Jakarta
SEA
Seattle
₩1,177,300 Roundtrip, found 4 hours ago
₩1,177,300
Roundtrip
found 4 hours ago
Select United flight, departing Thu, Nov 5 from Jakarta to Seattle, returning Thu, Nov 26, priced at ₩1,177,300 found 4 hours ago
All Nippon Airways
Tue, Oct 27 - Tue, Nov 17
CGK
Jakarta
SEA
Seattle
₩1,223,500 Roundtrip, found 4 hours ago
₩1,223,500
Roundtrip
found 4 hours ago
Select All Nippon Airways flight, departing Tue, Oct 27 from Jakarta to Seattle, returning Tue, Nov 17, priced at ₩1,223,500 found 4 hours ago
Philippine Airlines
Sat, Oct 24 - Mon, Nov 2
ICN
Seoul
SEA
Seattle
₩1,234,000 Roundtrip, found 1 day ago
₩1,234,000
Roundtrip
found 1 day ago
Select Philippine Airlines flight, departing Sat, Oct 24 from Seoul to Seattle, returning Mon, Nov 2, priced at ₩1,234,000 found 1 day ago
Singapore Airlines
Wed, Nov 11 - Wed, Dec 2
CGK
Jakarta
SEA
Seattle
₩1,316,500 Roundtrip, found 4 hours ago
₩1,316,500
Roundtrip
found 4 hours ago
Select Singapore Airlines flight, departing Wed, Nov 11 from Jakarta to Seattle, returning Wed, Dec 2, priced at ₩1,316,500 found 4 hours ago
Air Canada
Wed, Dec 23 - Wed, Jan 6
ICN
Seoul
SEA
Seattle
₩1,343,500 Roundtrip, found 3 hours ago
₩1,343,500
Roundtrip
found 3 hours ago
Select Air Canada flight, departing Wed, Dec 23 from Seoul to Seattle, returning Wed, Jan 6, priced at ₩1,343,500 found 3 hours ago
Alaska Airlines
Thu, Dec 3 - Wed, Dec 23
ICN
Seoul
SEA
Seattle
₩1,377,800 Roundtrip, just found
₩1,377,800
Roundtrip
just found
Select Alaska Airlines flight, departing Thu, Dec 3 from Seoul to Seattle, returning Wed, Dec 23, priced at ₩1,377,800 just found
Delta
Wed, Oct 21 - Sun, Oct 25
ICN
Seoul
SEA
Seattle
₩1,476,200 Roundtrip, found 11 hours ago
₩1,476,200
Roundtrip
found 11 hours ago
Select Delta flight, departing Wed, Oct 21 from Seoul to Seattle, returning Sun, Oct 25, priced at ₩1,476,200 found 11 hours ago
Korean Air
Wed, Dec 23 - Wed, Jan 6
ICN
Seoul
SEA
Seattle
₩1,477,500 Roundtrip, found 3 hours ago
₩1,477,500
Roundtrip
found 3 hours ago
Select Korean Air flight, departing Wed, Dec 23 from Seoul to Seattle, returning Wed, Jan 6, priced at ₩1,477,500 found 3 hours ago
China Airlines
Mon, Dec 28 - Mon, Jan 11
ICN
Seoul
SEA
Seattle
₩1,512,500 Roundtrip, found 3 hours ago
₩1,512,500
Roundtrip
found 3 hours ago
Select China Airlines flight, departing Mon, Dec 28 from Seoul to Seattle, returning Mon, Jan 11, priced at ₩1,512,500 found 3 hours ago
Cathay Pacific
Mon, Nov 9 - Mon, Nov 30
CGK
Jakarta
SEA
Seattle
₩1,602,000 Roundtrip, found 4 hours ago
₩1,602,000
Roundtrip
found 4 hours ago
Select Cathay Pacific flight, departing Mon, Nov 9 from Jakarta to Seattle, returning Mon, Nov 30, priced at ₩1,602,000 found 4 hours ago

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.

Philippine Airlines
Sat, Oct 24 - Mon, Nov 2
ICN
Seoul
SEA
Seattle
₩1,234,000 Roundtrip, found 1 day ago
₩1,234,000
Roundtrip
found 1 day ago
Select Philippine Airlines flight, departing Sat, Oct 24 from Seoul to Seattle, returning Mon, Nov 2, priced at ₩1,234,000 found 1 day 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, ₩1,177,300 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 ₩1,177,300 and ₩1,602,000. If you were flying one way from Jakarta (CGK), you could have gotten a great deal from just ₩584,900.
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 ₩1,177,300 and ₩1,602,000. 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.

Book with confidence

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.
About Jefferson County
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