KIX - SEA

$484 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
$848
Typical prices: $785-$1,125
Multiple Airlines
Fri 12/21Sat 1/6
KIX - SEA • 1 stop
Cheapest one-way
$484
Typical prices: $527-$730
Multiple Airlines
Wed 1/24
KIX - SEA • 2 stops
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 • 22% price drop
April
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Taipei City Taiwan Taoyuan Intl (TPE)
Cheapest • Avg $935 (round-trip)
Tokyo Haneda (HND)
Shortest trip • 12h 48m (one-way)
Insights
Insights
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Flight Deals

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

Mon, Dec 21 - Wed, Jan 6
Multiple Airlines Logo
8:45 pm - 9:35 pmKIX  Osaka Kansai Intl-SEA Seattle/Tacoma Intl
17h 50m1 stop Honolulu
Multiple Airlines Logo
7:00 am - 6:45 pmSEA  Seattle/Tacoma Intl-KIX Osaka Kansai Intl
18h 45m1 stop Honolulu
$848Multiple Airlines
Thu, Dec 24 - Wed, Jan 6
Korean Air Logo
11:55 am - 2:10 pmKIX  Osaka Kansai Intl-SEA Seattle/Tacoma Intl
19h 15m1 stop Incheon Intl
Korean Air Logo
11:00 am - 8:45 pmSEA  Seattle/Tacoma Intl-KIX Osaka Kansai Intl
16h 45m1 stop Incheon Intl
$878Korean Air
Tue, Nov 24 - Tue, Dec 1
Delta Logo
2:00 pm - 11:51 amKIX  Osaka Kansai Intl-SEA Seattle/Tacoma Intl
14h 51m1 stop Incheon Intl
Delta Logo
12:35 pm - 10:40 pmSEA  Seattle/Tacoma Intl-KIX Osaka Kansai Intl
17h 05m1 stop Incheon Intl
$903Delta
Mon, Jan 25 - Fri, Jan 29
Multiple Airlines Logo
2:35 pm - 8:20 amKIX  Osaka Kansai Intl-SEA Seattle/Tacoma Intl
34h 45m1 stop Beijing Capital
Multiple Airlines Logo
7:00 am - 4:45 pmSEA  Seattle/Tacoma Intl-KIX Osaka Kansai Intl
16h 45m1 stop San Francisco
$1,018Multiple Airlines
Wed, Dec 9 - Sat, Dec 26
Multiple Airlines Logo
9:10 pm - 8:16 amKIX  Osaka Kansai Intl-SEA Seattle/Tacoma Intl
52h 06m2 stops Tokyo Narita San Francisco
Multiple Airlines Logo
3:40 pm - 10:20 pmSEA  Seattle/Tacoma Intl-KIX Osaka Kansai Intl
13h 40m1 stop Tokyo Haneda
$1,062Multiple Airlines
Mon, Dec 21 - Wed, Jan 6
Multiple Airlines Logo
2:35 pm - 8:20 amKIX  Osaka Kansai Intl-SEA Seattle/Tacoma Intl
34h 45m1 stop Beijing Capital
Multiple Airlines Logo
4:39 pm - 2:45 pmSEA  Seattle/Tacoma Intl-KIX Osaka Kansai Intl
29h 06m3 stops Los Angeles Hong Kong Intl Taipei City Taiwan Taoyuan Intl
$1,104Multiple Airlines
Wed, Dec 9 - Fri, Dec 25
Korean Air Logo
9:00 am - 9:05 amKIX  Osaka Kansai Intl-SEA Seattle/Tacoma Intl
17h 05m1 stop Incheon Intl
Korean Air Logo
12:10 am - 8:45 pmSEA  Seattle/Tacoma Intl-KIX Osaka Kansai Intl
27h 35m1 stop Incheon Intl
$1,119Korean Air
Thu, Dec 24 - Sun, Jan 10
Multiple Airlines Logo
8:45 pm - 9:35 pmKIX  Osaka Kansai Intl-SEA Seattle/Tacoma Intl
17h 50m1 stop Honolulu
Multiple Airlines Logo
7:00 am - 6:45 pmSEA  Seattle/Tacoma Intl-KIX Osaka Kansai Intl
18h 45m1 stop Honolulu
$1,119Multiple Airlines
Thu, Dec 24 - Wed, Jan 6
Multiple Airlines Logo
3:00 pm - 9:09 amKIX  Osaka Kansai Intl-SEA Seattle/Tacoma Intl
35h 09m2 stops Tokyo Narita Calgary
Multiple Airlines Logo
3:45 pm - 8:55 amSEA  Seattle/Tacoma Intl-KIX Osaka Kansai Intl
24h 10m1 stop Tokyo Haneda
$1,121Multiple Airlines
Mon, Dec 21 - Wed, Jan 6
Multiple Airlines Logo
8:45 pm - 9:35 pmKIX  Osaka Kansai Intl-SEA Seattle/Tacoma Intl
17h 50m1 stop Honolulu
Multiple Airlines Logo
7:00 am - 10:20 pmSEA  Seattle/Tacoma Intl-KIX Osaka Kansai Intl
22h 20m2 stops Honolulu Tokyo Haneda
$1,126Multiple Airlines
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 with more confidence.

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

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Osaka Kansai Intl Airport to Seattle. It’s 16% cheaper than the average day, while Saturday is the most expensive, with prices 26% higher.

Find deals

Key details for Osaka Kansai Intl Airport to Seattle flights

Low season

October

Cheapest flight

$484
Beat the crowds with an average 58% drop in travelers.
The most popular month to fly with an average 48% increase in travelers.
One-way 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 answers about this route, including flight times, airports, airlines and booking tips.

  • 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

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

    A nonstop flight from Osaka Kansai Intl Airport to Seattle takes 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.

  • 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 $785 to $1,125, with an average of $924 over the past 12 months. Anything below $785 counts as a good deal.

  • 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 $848 to $4,703. That means the highest observed fare was about 6x 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 lower than usual. Average one-way flight prices are about $521, which is 13% below the typical average for this route.

  • 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 averaging $61 for economy cars. Top options include:

    • Fox
    • Europcar
    • Thrifty
    • Budget
    • Hertz

  • 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).

  • 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:

    • Taipei City Taiwan Taoyuan Intl (TPE) - 49% of one-stop connections
    • Vancouver Intl (YVR) - 32% of one-stop connections
    • Incheon Intl (ICN) - 16% of one-stop connections
    • Tokyo Haneda (HND) - 3% of one-stop connections

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

    Yes. Flexible dates can save you up to 33% on flights from Osaka Kansai Intl Airport to Seattle. Wednesday is the cheapest departure day at $785 round-trip on average, while Saturday is the most expensive at $1,165, a difference of $380.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • 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 14h 14m via Vancouver Intl (YVR) and 17h 38m 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 popular places can I visit in Seattle?

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

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 are flexible, aim for a Wednesday departure and avoid flying on Saturday. On this route, Wednesday flights average $785, about $380 less than Saturday fares (33% 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 $627 less than the most expensive month, which is October (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.

    • Coast Gateway Hotel
    • Seattle Airport Marriott
    • Fairfield by Marriott Inn & Suites Seattle Sea-Tac Airport

More options for your flight from Kansai Intl to Seattle

Complete your trip to Seattle with a hotel stay or car rental

Car rentals in Seattle
Hotels in Seattle
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