Cheap Flights to Jefferson County from ₩466,400

View ₩466,400 flight on Wed, Sep 9, 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 ₩466,400 for one-way flights and ₩573,100 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Sep 9 - Wed, Sep 23
ICN
Seoul
SEA
Seattle
₩573,100 Roundtrip, found 6 hours ago
₩573,100
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Wed, Sep 9 from Seoul to Seattle, returning Wed, Sep 23, priced at ₩573,100 found 6 hours ago
American Airlines
Tue, Oct 6 - Tue, Nov 17
ICN
Seoul
SEA
Seattle
₩750,900 Roundtrip, found 19 hours ago
₩750,900
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Tue, Oct 6 from Seoul to Seattle, returning Tue, Nov 17, priced at ₩750,900 found 19 hours ago
Air Canada
Mon, Sep 28 - Wed, Oct 28
ICN
Seoul
SEA
Seattle
₩790,400 Roundtrip, found 8 hours ago
₩790,400
Roundtrip
found 8 hours ago
Select Air Canada flight, departing Mon, Sep 28 from Seoul to Seattle, returning Wed, Oct 28, priced at ₩790,400 found 8 hours ago
Delta
Sun, Sep 13 - Sun, Oct 4
SGN
Ho Chi Minh City
SEA
Seattle
₩1,061,900 Roundtrip, found 23 hours ago
₩1,061,900
Roundtrip
found 23 hours ago
Select Delta flight, departing Sun, Sep 13 from Ho Chi Minh City to Seattle, returning Sun, Oct 4, priced at ₩1,061,900 found 23 hours ago
Korean Air
Mon, Sep 14 - Mon, Oct 5
SGN
Ho Chi Minh City
SEA
Seattle
₩1,067,500 Roundtrip, found 23 hours ago
₩1,067,500
Roundtrip
found 23 hours ago
Select Korean Air flight, departing Mon, Sep 14 from Ho Chi Minh City to Seattle, returning Mon, Oct 5, priced at ₩1,067,500 found 23 hours ago
Hawaiian Airlines
Thu, Apr 2 - Wed, Apr 15
ICN
Seoul
SEA
Seattle
₩1,094,800 Roundtrip, just found
₩1,094,800
Roundtrip
just found
Select Hawaiian Airlines flight, departing Thu, Apr 2 from Seoul to Seattle, returning Wed, Apr 15, priced at ₩1,094,800 just found
Alaska Airlines
Mon, Sep 7 - Sat, Sep 19
ICN
Seoul
SEA
Seattle
₩1,095,000 Roundtrip, found 6 hours ago
₩1,095,000
Roundtrip
found 6 hours ago
Select Alaska Airlines flight, departing Mon, Sep 7 from Seoul to Seattle, returning Sat, Sep 19, priced at ₩1,095,000 found 6 hours ago
United
Wed, Sep 9 - Wed, Sep 30
SGN
Ho Chi Minh City
SEA
Seattle
₩1,109,600 Roundtrip, found 23 hours ago
₩1,109,600
Roundtrip
found 23 hours ago
Select United flight, departing Wed, Sep 9 from Ho Chi Minh City to Seattle, returning Wed, Sep 30, priced at ₩1,109,600 found 23 hours ago
Philippine Airlines
Wed, Sep 9 - Wed, Sep 30
SGN
Ho Chi Minh City
SEA
Seattle
₩1,110,800 Roundtrip, found 23 hours ago
₩1,110,800
Roundtrip
found 23 hours ago
Select Philippine Airlines flight, departing Wed, Sep 9 from Ho Chi Minh City to Seattle, returning Wed, Sep 30, priced at ₩1,110,800 found 23 hours ago
All Nippon Airways
Sun, Sep 13 - Sun, Oct 4
SGN
Ho Chi Minh City
SEA
Seattle
₩1,158,000 Roundtrip, found 23 hours ago
₩1,158,000
Roundtrip
found 23 hours ago
Select All Nippon Airways flight, departing Sun, Sep 13 from Ho Chi Minh City to Seattle, returning Sun, Oct 4, priced at ₩1,158,000 found 23 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.

American Airlines
Wed, Sep 9 - Wed, Sep 23
ICN
Seoul
SEA
Seattle
₩573,100 Roundtrip, found 6 hours ago
₩573,100
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Wed, Sep 9 from Seoul to Seattle, returning Wed, Sep 23, priced at ₩573,100 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, ₩573,100 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 ₩573,100 and ₩1,158,000. If you were flying one way from Seoul (ICN), you could have gotten a great deal from just ₩466,400.
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 ₩573,100 and ₩1,158,000. 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

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About Jefferson County

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