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Cheap Flights to Jefferson County | Popular Routes to Jefferson County from HK$1,569

View HK$1,569 flight on Sun, 1 Nov 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$1,569 for one-way flights and HK$2,939 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

WestJet
Thu, 1 Oct - Wed, 7 Oct
YYZ
Toronto
SEA
Seattle
HK$2,939 Return, found 6 days ago
HK$2,939
Return
found 6 days ago
Select WestJet flight, departing Thu, 1 Oct from Toronto to Seattle, returning Wed, 7 Oct, priced at HK$2,939 found 6 days ago
Air Canada
Thu, 8 Oct - Thu, 15 Oct
YYZ
Toronto
SEA
Seattle
HK$2,972 Return, found 16 hours ago
HK$2,972
Return
found 16 hours ago
Select Air Canada flight, departing Thu, 8 Oct from Toronto to Seattle, returning Thu, 15 Oct, priced at HK$2,972 found 16 hours ago
United
Sat, 5 Sept - Sat, 5 Sept
YYZ
Toronto
SEA
Seattle
HK$2,973 Return, found 5 days ago
HK$2,973
Return
found 5 days ago
Select United flight, departing Sat, 5 Sept from Toronto to Seattle, returning Sat, 5 Sept, priced at HK$2,973 found 5 days ago
Delta
Fri, 21 Aug - Thu, 10 Sept
YYZ
Toronto
SEA
Seattle
HK$3,016 Return, found 20 hours ago
HK$3,016
Return
found 20 hours ago
Select Delta flight, departing Fri, 21 Aug from Toronto to Seattle, returning Thu, 10 Sept, priced at HK$3,016 found 20 hours ago
Alaska Airlines
Fri, 2 Oct - Tue, 13 Oct
YYZ
Toronto
SEA
Seattle
HK$3,382 Return, found 6 days ago
HK$3,382
Return
found 6 days ago
Select Alaska Airlines flight, departing Fri, 2 Oct from Toronto to Seattle, returning Tue, 13 Oct, priced at HK$3,382 found 6 days ago
American Airlines
Sun, 6 Sept - Tue, 15 Sept
YYZ
Toronto
SEA
Seattle
HK$3,478 Return, found 23 hours ago
HK$3,478
Return
found 23 hours ago
Select American Airlines flight, departing Sun, 6 Sept from Toronto to Seattle, returning Tue, 15 Sept, priced at HK$3,478 found 23 hours ago
United
Thu, 15 Oct - Fri, 16 Oct
HKG
Hong Kong SAR
SEA
Seattle
HK$4,534 Return, found 3 hours ago
HK$4,534
Return
found 3 hours ago
Select United flight, departing Thu, 15 Oct from Hong Kong SAR to Seattle, returning Fri, 16 Oct, priced at HK$4,534 found 3 hours ago
STARLUX Airlines
Sun, 13 Sept - Thu, 17 Sept
HKG
Hong Kong SAR
SEA
Seattle
HK$6,218 Return, just found
HK$6,218
Return
just found
Select STARLUX Airlines flight, departing Sun, 13 Sept from Hong Kong SAR to Seattle, returning Thu, 17 Sept, priced at HK$6,218 just found
EVA Airways
Sun, 13 Sept - Thu, 17 Sept
HKG
Hong Kong SAR
SEA
Seattle
HK$6,278 Return, just found
HK$6,278
Return
just found
Select EVA Airways flight, departing Sun, 13 Sept from Hong Kong SAR to Seattle, returning Thu, 17 Sept, priced at HK$6,278 just found
China Airlines
Sat, 31 Oct - Sun, 8 Nov
HKG
Hong Kong SAR
SEA
Seattle
HK$6,368 Return, just found
HK$6,368
Return
just found
Select China Airlines flight, departing Sat, 31 Oct from Hong Kong SAR to Seattle, returning Sun, 8 Nov, priced at HK$6,368 just found

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.

United
Thu, 15 Oct - Fri, 16 Oct
HKG
Hong Kong SAR
SEA
Seattle
HK$4,534 Return, found 3 hours ago
HK$4,534
Return
found 3 hours ago
Select United flight, departing Thu, 15 Oct from Hong Kong SAR to Seattle, returning Fri, 16 Oct, priced at HK$4,534 found 3 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, HK$2,939 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$2,939 and HK$6,368. If you were flying one way from Toronto (YYZ), you could have gotten a great deal from just HK$1,569.
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$2,939 and HK$6,368. 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.

Book with confidence

About Jefferson County

Expedia offers flights to Jefferson County to meet every traveller'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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