Cheap Flights to Jefferson County from ￥74,570

Popular airlines to Jefferson County

  • Peach

    Peach

  • Skymark Airlines

    Skymark Airlines

  • All Nippon Airways

    All Nippon Airways

  • Japan Airlines

    Japan Airlines

  • Jetstar Japan

    Jetstar Japan

  • Solaseed Air

    Solaseed Air

  • STARFLYER

    STARFLYER

  • 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 ￥74,570 for one-way flights and ￥108,950 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Oct 7 - Sun, Oct 19
HND
Tokyo
SEA
Seattle
￥108,950 Roundtrip, found 3 days ago
￥108,950
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Oct 7 from Tokyo to Seattle, returning Sun, Oct 19, priced at ￥108,950 found 3 days ago
American Airlines
Tue, Oct 7 - Mon, Nov 10
HND
Tokyo
SEA
Seattle
￥109,490 Roundtrip, found 2 days ago
￥109,490
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Oct 7 from Tokyo to Seattle, returning Mon, Nov 10, priced at ￥109,490 found 2 days ago
Delta
Thu, Sep 4 - Wed, Sep 17
NRT
Tokyo
SEA
Seattle
￥111,010 Roundtrip, found 2 days ago
￥111,010
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Sep 4 from Tokyo to Seattle, returning Wed, Sep 17, priced at ￥111,010 found 2 days ago
Hawaiian Airlines
Fri, Aug 22 - Mon, Sep 1
NRT
Tokyo
SEA
Seattle
￥114,690 Roundtrip, found 2 days ago
￥114,690
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Fri, Aug 22 from Tokyo to Seattle, returning Mon, Sep 1, priced at ￥114,690 found 2 days ago
Alaska Airlines
Tue, Sep 30 - Sun, Oct 26
NRT
Tokyo
SEA
Seattle
￥114,730 Roundtrip, found 2 days ago
￥114,730
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Tue, Sep 30 from Tokyo to Seattle, returning Sun, Oct 26, priced at ￥114,730 found 2 days ago
Air Canada
Wed, Dec 24 - Thu, Jan 1
NRT
Tokyo
SEA
Seattle
￥122,710 Roundtrip, found 1 day ago
￥122,710
Roundtrip
found 1 day ago
Select Air Canada flight, departing Wed, Dec 24 from Tokyo to Seattle, returning Thu, Jan 1, priced at ￥122,710 found 1 day ago
Korean Air
Thu, Sep 4 - Wed, Sep 17
NRT
Tokyo
SEA
Seattle
￥125,530 Roundtrip, found 2 days ago
￥125,530
Roundtrip
found 2 days ago
Select Korean Air flight, departing Thu, Sep 4 from Tokyo to Seattle, returning Wed, Sep 17, priced at ￥125,530 found 2 days ago
Philippine Airlines
Sun, Oct 12 - Wed, Oct 29
NRT
Tokyo
SEA
Seattle
￥130,030 Roundtrip, found 1 day ago
￥130,030
Roundtrip
found 1 day ago
Select Philippine Airlines flight, departing Sun, Oct 12 from Tokyo to Seattle, returning Wed, Oct 29, priced at ￥130,030 found 1 day ago
United
Sat, Aug 23 - Sun, Aug 24
HND
Tokyo
SEA
Seattle
￥131,690 Roundtrip, found 2 days ago
￥131,690
Roundtrip
found 2 days ago
Select United flight, departing Sat, Aug 23 from Tokyo to Seattle, returning Sun, Aug 24, priced at ￥131,690 found 2 days ago
China Airlines
Mon, Nov 17 - Mon, Dec 1
NRT
Tokyo
SEA
Seattle
￥136,910 Roundtrip, found 2 days ago
￥136,910
Roundtrip
found 2 days ago
Select China Airlines flight, departing Mon, Nov 17 from Tokyo to Seattle, returning Mon, Dec 1, priced at ￥136,910 found 2 days ago

2025 年 5 月 13 日、新規開設*

ハワイアン航空はこのたび、東京の成田国際空港からシアトルへの直行便を新たに開設し、毎日運航することを発表しました。

豊かな緑に包まれたその景観から「エメラルド シティ」と呼ばれるシアトルは、美しい自然と現代的な快適さをともに楽しみたい人の旅行先として人気の都市です。

シアトルを象徴するタワー、スペース ニードルからの素晴らしい眺めを堪能し、パイク プレイス マーケットの知られざる魅力や誰もが知る見どころを探訪して、ケリー パークで一息ついたら、夕暮れ時の街並みを眺めましょう。ピュージェット湾でのホエールウォッチングもおすすめです。

シアトルの空港は米国国内線のハブ空港でもあるため、米国各地への旅もさらにスムーズになります。

*政府の承認が必要となります。

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, ￥108,950 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 ￥108,950 and ￥136,910. If you were flying one way from Tokyo (NRT), you could have gotten a great deal from just ￥74,570.
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.
How much is a plane ticket to Jefferson County?
In the last seven days, plane tickets to Jefferson County ranged between ￥108,950 and ￥136,910. 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.

Delta
Tue, Oct 7 - Sun, Oct 19
HND
Tokyo
SEA
Seattle
￥108,950 Roundtrip, found 3 days ago
￥108,950
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Oct 7 from Tokyo to Seattle, returning Sun, Oct 19, priced at ￥108,950 found 3 days ago
*Available to Expedia members.