Cheap Flights to Jefferson County | Popular Routes to Jefferson County from HK$617

View HK$617 flight on Tue, 5 May 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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Cheap round-trip flights to Jefferson County

Prices were available within the past 7 days and start at HK$617 for one-way flights and HK$1,233 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, 5 May - Wed, 13 May
SFO
San Francisco
SEA
Seattle
HK$1,233 Return, found 6 days ago
HK$1,233
Return
found 6 days ago
Select Delta flight, departing Tue, 5 May from San Francisco to Seattle, returning Wed, 13 May, priced at HK$1,233 found 6 days ago
Alaska Airlines
Tue, 28 Apr - Thu, 7 May
SFO
San Francisco
SEA
Seattle
HK$1,491 Return, found 5 days ago
HK$1,491
Return
found 5 days ago
Select Alaska Airlines flight, departing Tue, 28 Apr from San Francisco to Seattle, returning Thu, 7 May, priced at HK$1,491 found 5 days ago
United
Tue, 5 May - Wed, 13 May
SFO
San Francisco
SEA
Seattle
HK$1,868 Return, found 6 days ago
HK$1,868
Return
found 6 days ago
Select United flight, departing Tue, 5 May from San Francisco to Seattle, returning Wed, 13 May, priced at HK$1,868 found 6 days ago
Alaska Airlines
Wed, 22 Apr - Thu, 7 May
SFO
San Francisco
PAE
Seattle
HK$2,212 Return, found 5 days ago
HK$2,212
Return
found 5 days ago
Select Alaska Airlines flight, departing Wed, 22 Apr from San Francisco to Seattle, returning Thu, 7 May, priced at HK$2,212 found 5 days ago
American Airlines
Sat, 16 May - Wed, 20 May
SFO
San Francisco
SEA
Seattle
HK$2,330 Return, found 21 hours ago
HK$2,330
Return
found 21 hours ago
Select American Airlines flight, departing Sat, 16 May from San Francisco to Seattle, returning Wed, 20 May, priced at HK$2,330 found 21 hours ago
Delta
Wed, 9 Sept - Wed, 16 Sept
HKG
Hong Kong SAR
SEA
Seattle
HK$5,988 Return, found 4 days ago
HK$5,988
Return
found 4 days ago
Select Delta flight, departing Wed, 9 Sept from Hong Kong SAR to Seattle, returning Wed, 16 Sept, priced at HK$5,988 found 4 days ago
Korean Air
Wed, 16 Sept - Sat, 19 Sept
HKG
Hong Kong SAR
SEA
Seattle
HK$6,074 Return, found 1 hour ago
HK$6,074
Return
found 1 hour ago
Select Korean Air flight, departing Wed, 16 Sept from Hong Kong SAR to Seattle, returning Sat, 19 Sept, priced at HK$6,074 found 1 hour ago
Air Canada
Fri, 26 Jun - Thu, 16 Jul
HKG
Hong Kong SAR
SEA
Seattle
HK$6,157 Return, found 12 hours ago
HK$6,157
Return
found 12 hours ago
Select Air Canada flight, departing Fri, 26 Jun from Hong Kong SAR to Seattle, returning Thu, 16 Jul, priced at HK$6,157 found 12 hours ago
Philippine Airlines
Thu, 19 Nov - Mon, 23 Nov
HKG
Hong Kong SAR
SEA
Seattle
HK$6,367 Return, found 15 hours ago
HK$6,367
Return
found 15 hours ago
Select Philippine Airlines flight, departing Thu, 19 Nov from Hong Kong SAR to Seattle, returning Mon, 23 Nov, priced at HK$6,367 found 15 hours ago
Asiana Airlines
Fri, 18 Sept - Mon, 28 Sept
HKG
Hong Kong SAR
SEA
Seattle
HK$6,478 Return, found 6 days ago
HK$6,478
Return
found 6 days ago
Select Asiana Airlines flight, departing Fri, 18 Sept from Hong Kong SAR to Seattle, returning Mon, 28 Sept, priced at HK$6,478 found 6 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.

Delta
Wed, 9 Sept - Wed, 16 Sept
HKG
Hong Kong SAR
SEA
Seattle
HK$5,988 Return, found 4 days ago
HK$5,988
Return
found 4 days ago
Select Delta flight, departing Wed, 9 Sept from Hong Kong SAR to Seattle, returning Wed, 16 Sept, priced at HK$5,988 found 4 days 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, HK$1,233 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 HK$1,233 and HK$6,478. If you were flying one way from San Francisco (SFO), you could have gotten a great deal from just HK$617.
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 HK$1,233 and HK$6,478. 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.

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About Jefferson County

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About Jefferson County

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