KIX - SEA

$446 Find Cheap Flights from Osaka Kansai Intl to Seattle - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$688
Typical prices: $782-$1,120
Alaska Airlines
Sat 9/22Sat 9/29
KIX - SEA • 1 stop
Cheapest one-way
$446
Typical prices: $524-$693
Multiple Airlines
Tue 9/11
KIX - SEA • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Osaka Kansai Intl Airport and Seattle. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
May
Cheapest • 17% price drop
April
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Manila Ninoy Aquino Intl (MNL)
Cheapest • Avg $766 (round-trip)
Tokyo Haneda (HND)
Shortest trip • 12h 48m (one-way)
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Insights
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Cheap Flights from Kansai Intl to Seattle (KIX-SEA)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Kansai Intl to Seattle

Tue, Sep 22 - Tue, Sep 29
Alaska Airlines Logo
5:45 pm - 8:52 amKIX  Osaka Kansai Intl-SEA Seattle/Tacoma Intl
31h 07m1 stop Los Angeles
Alaska Airlines Logo
7:08 am - 6:45 pmSEA  Seattle/Tacoma Intl-KIX Osaka Kansai Intl
19h 37m2 stops Portland Los Angeles
$688Alaska Airlines
Thu, Oct 1 - Tue, Oct 13
Alaska Airlines Logo
5:45 pm - 6:51 pmKIX  Osaka Kansai Intl-SEA Seattle/Tacoma Intl
17h 06m2 stops Los Angeles Portland
Alaska Airlines Logo
8:20 am - 6:45 pmSEA  Seattle/Tacoma Intl-KIX Osaka Kansai Intl
18h 25m1 stop Los Angeles
$845Alaska Airlines
Wed, Oct 21 - Sun, Oct 25
Multiple Airlines Logo
7:40 am - 6:32 pmKIX  Osaka Kansai Intl-SEA Seattle/Tacoma Intl
26h 52m2 stops Incheon Intl Vancouver Intl
Multiple Airlines Logo
8:40 am - 10:45 pmSEA  Seattle/Tacoma Intl-KIX Osaka Kansai Intl
22h 05m2 stops Vancouver Intl Incheon Intl
$891Multiple Airlines
Wed, Sep 30 - Tue, Oct 13
Multiple Airlines Logo
5:45 pm - 6:10 pmKIX  Osaka Kansai Intl-SEA Seattle/Tacoma Intl
16h 25m1 stop Los Angeles
Multiple Airlines Logo
10:50 am - 9:15 amSEA  Seattle/Tacoma Intl-KIX Osaka Kansai Intl
30h 25m2 stops Vancouver Intl Tokyo Haneda
$919Multiple Airlines
Wed, Sep 30 - Mon, Oct 12
Multiple Airlines Logo
5:45 pm - 6:10 pmKIX  Osaka Kansai Intl-SEA Seattle/Tacoma Intl
16h 25m1 stop Los Angeles
Multiple Airlines Logo
4:30 pm - 9:15 amSEA  Seattle/Tacoma Intl-KIX Osaka Kansai Intl
24h 45m1 stop Tokyo Haneda
$923Multiple Airlines
Wed, Sep 30 - Tue, Oct 13
Multiple Airlines Logo
5:45 pm - 6:10 pmKIX  Osaka Kansai Intl-SEA Seattle/Tacoma Intl
16h 25m1 stop Los Angeles
Multiple Airlines Logo
4:30 pm - 9:15 amSEA  Seattle/Tacoma Intl-KIX Osaka Kansai Intl
24h 45m1 stop Tokyo Haneda
$927Multiple Airlines
Wed, Sep 30 - Sun, Oct 11
Multiple Airlines Logo
5:45 pm - 6:10 pmKIX  Osaka Kansai Intl-SEA Seattle/Tacoma Intl
16h 25m1 stop Los Angeles
Multiple Airlines Logo
4:30 pm - 9:15 amSEA  Seattle/Tacoma Intl-KIX Osaka Kansai Intl
24h 45m1 stop Tokyo Haneda
$927Multiple Airlines
Wed, Sep 30 - Wed, Oct 14
Multiple Airlines Logo
5:45 pm - 6:10 pmKIX  Osaka Kansai Intl-SEA Seattle/Tacoma Intl
16h 25m1 stop Los Angeles
Multiple Airlines Logo
4:30 pm - 9:15 amSEA  Seattle/Tacoma Intl-KIX Osaka Kansai Intl
24h 45m1 stop Tokyo Haneda
$931Multiple Airlines
Thu, Sep 24 - Sat, Oct 17
Air Canada Logo
6:00 pm - 10:05 amKIX  Osaka Kansai Intl-SEA Seattle/Tacoma Intl
32h 05m1 stop Vancouver Intl
Air Canada Logo
3:00 pm - 4:25 pmSEA  Seattle/Tacoma Intl-KIX Osaka Kansai Intl
33h 25m1 stop Vancouver Intl
$1,209Air Canada
Thu, Sep 24 - Sat, Oct 17
Air Canada Logo
6:00 pm - 10:05 amKIX  Osaka Kansai Intl-SEA Seattle/Tacoma Intl
32h 05m1 stop Vancouver Intl
Air Canada Logo
3:00 pm - 4:25 pmSEA  Seattle/Tacoma Intl-KIX Osaka Kansai Intl
33h 25m1 stop Vancouver Intl
$1,211Air Canada
Booking Insights

Price, demand and travel trends for Osaka Kansai Intl Airport to Seattle flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Osaka Kansai Intl Airport to Seattle with more confidence.

How much is a round-trip flight from Osaka Kansai Intl Airport to Seattle?

Round-trip flights from Osaka Kansai Intl Airport to Seattle start at $688. Prices are below average for this route right now, with typical round-trip fares ranging from $782 to $1,120. The lowest price found in the past 5 days was $688 on Alaska Airlines.

What's the cheapest day of the week to fly from Osaka Kansai Intl Airport to Seattle?

Sunday is the cheapest day of the week to fly from Osaka Kansai Intl Airport to Seattle, it is 12% cheaper than the average day. Friday is the most expensive day with flight prices 29% higher than average. Based on deals found by KAYAK users in the last 12 months.

Find deals

Key details for Osaka Kansai Intl Airport to Seattle flights

Low season

October

Cheapest flight

$446
Best time to beat the crowds but there is an average 21% increase in price.
Most popular time to fly and prices are also 9% lower on average.
Flight from Osaka Kansai Intl Airport to Seattle

When to book flights from Kansai Intl to Seattle

Are your dates flexible? Find out the best times to travel from Kansai Intl to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Osaka Kansai Intl Airport to Seattle flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Osaka Kansai Intl Airport to Seattle?

    Flights from Osaka Kansai Intl Airport to Seattle usually depart from Osaka Kansai Intl (KIX) and arrive at Seattle/Tacoma Intl (SEA).

  • What cabin classes can I book on flights from Osaka Kansai Intl Airport to Seattle?

    Three cabin classes are available on flights from Osaka Kansai Intl Airport to Seattle:

    • Economy Class
    • Premium Economy Class
    • Business Class

  • Which airports do connecting flights from Osaka Kansai Intl Airport to Seattle pass through?

    One-stop flights from Osaka Kansai Intl Airport to Seattle most commonly connect through:

    • Vancouver Intl (YVR) - 35% of one-stop connections
    • Taipei City Taiwan Taoyuan Intl (TPE) - 31% of one-stop connections
    • Incheon Intl (ICN) - 19% of one-stop connections
    • Tokyo Haneda (HND) - 8% of one-stop connections

    Vancouver Intl (YVR) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Osaka Kansai Intl Airport to Seattle?

    On the Osaka Kansai Intl Airport to Seattle route, being flexible with your departure day can save you up to 32%. Sunday is the cheapest day at $767 round-trip on average, while Friday is the most expensive at $1,119: a $352 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What popular places can I visit in Seattle?

    Some of the most popular sights in Seattle are Pike Place Market, Pier 66 and Lumen Field. These are among the most viewed places in Seattle on KAYAK.

  • How long is a flight from Osaka Kansai Intl Airport to Seattle?

    A nonstop flight from Osaka Kansai Intl Airport to Seattle takes 0h 00m, covering 5,024 miles.

  • Do I need a passport to fly from Osaka Kansai Intl Airport to Seattle?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Osaka Kansai Intl Airport to Seattle changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $688 to $3,471. That means the highest observed fare was about 5x higher than the lowest one.

  • How are flight prices from Osaka Kansai Intl Airport to Seattle looking right now?

    One-way fares from Osaka Kansai Intl Airport to Seattle are currently in line with typical prices for this route. Average one-way fares are about $579.

  • How much time can I save by choosing a different layover airport from Osaka Kansai Intl Airport to Seattle?

    Flying via Tokyo Haneda (HND) gives the shortest average 1-stop total travel time at 12h 48m, compared with 13h 26m via Vancouver Intl (YVR) and 17h 12m via Incheon Intl (ICN).

  • What is the time difference between Osaka Kansai Intl Airport and Seattle?

    Seattle is 16 hours behind Osaka Kansai Intl Airport (Pacific Time vs Japan Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Seattle/Tacoma Intl Airport (SEA)?

    Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:
    · Fox
    · Europcar
    · Thrifty
    · Budget
    · Dollar

  • How much should I expect to pay for a Osaka Kansai Intl Airport to Seattle flight?

    Round-trip flights from Osaka Kansai Intl Airport to Seattle range from $782 to $1,120, with an average of $865 over the past 12 months. Anything below $782 counts as a good deal.

Your guide to booking Osaka Kansai Intl Airport to Seattle flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Sunday departure instead of Friday. On this route, Sunday flights average $767 - about $352 less than Friday (31% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Osaka Kansai Intl Airport to Seattle trip for May. Fares historically average $717 round-trip in that month - typically $517 less than the most expensive month, which is July (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Seattle/Tacoma Intl Airport.
    - Seattle Airport Marriott
    - Coast Gateway Hotel
    - Fairfield by Marriott Inn & Suites Seattle Sea-Tac Airport

Everything you need to know for your flight from Kansai Intl to Seattle

Information on your arrival and departure airports

Osaka Kansai Intl (KIX)
Seattle (SEA)