KIX - SEA

$492 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
$913
Typical prices: $785-$1,129
Multiple Airlines
Sat 1/27Sat 2/3
KIX - SEA • 1 stop
Cheapest one-way
$492
Typical prices: $529-$747
Hainan Airlines
Fri 12/21
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
April
Cheapest • 15% 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 39m (one-way)
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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

Wed, Jan 27 - Wed, Feb 3
Multiple Airlines Logo
8:45 pm - 11:20 pmKIX  Osaka Kansai Intl-SEA Seattle/Tacoma Intl
19h 35m1 stop Honolulu
Multiple Airlines Logo
6:20 pm - 6:45 pmSEA  Seattle/Tacoma Intl-KIX Osaka Kansai Intl
31h 25m1 stop Honolulu
$913Multiple Airlines
Wed, Jan 27 - Wed, Feb 3
Multiple Airlines Logo
7:25 am - 9:16 amKIX  Osaka Kansai Intl-SEA Seattle/Tacoma Intl
42h 51m2 stops Tokyo Narita San Francisco
Multiple Airlines Logo
3:45 pm - 8:55 amSEA  Seattle/Tacoma Intl-KIX Osaka Kansai Intl
24h 10m1 stop Tokyo Haneda
$963Multiple Airlines
Mon, Dec 21 - Tue, Jan 5
Multiple Airlines Logo
8:45 pm - 9:35 pmKIX  Osaka Kansai Intl-SEA Seattle/Tacoma Intl
17h 50m1 stop Honolulu
Multiple Airlines Logo
4:37 pm - 6:45 pmSEA  Seattle/Tacoma Intl-KIX Osaka Kansai Intl
33h 08m1 stop Honolulu
$998Multiple Airlines
Mon, Nov 23 - Thu, Nov 26
Multiple Airlines Logo
2:35 pm - 8:20 amKIX  Osaka Kansai Intl-SEA Seattle/Tacoma Intl
34h 45m1 stop Beijing Capital
Multiple Airlines Logo
3:46 pm - 12:45 pmSEA  Seattle/Tacoma Intl-KIX Osaka Kansai Intl
27h 59m2 stops Los Angeles Hong Kong Intl
$1,012Multiple Airlines
Wed, Mar 3 - Tue, Aug 31
Multiple Airlines Logo
9:10 pm - 12:57 pmKIX  Osaka Kansai Intl-SEA Seattle/Tacoma Intl
32h 47m2 stops Tokyo Narita Vancouver Intl
Multiple Airlines Logo
12:25 pm - 9:15 pmSEA  Seattle/Tacoma Intl-KIX Osaka Kansai Intl
40h 50m1 stop Hong Kong Intl
$1,035Multiple Airlines
Wed, Jan 27 - Wed, Feb 3
Multiple Airlines Logo
3:00 pm - 6:43 pmKIX  Osaka Kansai Intl-SEA Seattle/Tacoma Intl
20h 43m2 stops Tokyo Narita San Francisco
Multiple Airlines Logo
3:45 pm - 10:15 amSEA  Seattle/Tacoma Intl-KIX Osaka Kansai Intl
25h 30m1 stop Tokyo Haneda
$1,035Multiple Airlines
Wed, Mar 3 - Mon, Aug 30
Multiple Airlines Logo
9:10 pm - 12:57 pmKIX  Osaka Kansai Intl-SEA Seattle/Tacoma Intl
32h 47m2 stops Tokyo Narita Vancouver Intl
Multiple Airlines Logo
12:25 pm - 3:10 pmSEA  Seattle/Tacoma Intl-KIX Osaka Kansai Intl
34h 45m1 stop Hong Kong Intl
$1,035Multiple Airlines
Fri, Feb 26 - Tue, Aug 31
Multiple Airlines Logo
7:50 am - 12:57 pmKIX  Osaka Kansai Intl-SEA Seattle/Tacoma Intl
22h 07m2 stops Tokyo Narita Vancouver Intl
Multiple Airlines Logo
12:25 pm - 9:15 pmSEA  Seattle/Tacoma Intl-KIX Osaka Kansai Intl
40h 50m1 stop Hong Kong Intl
$1,037Multiple Airlines
Fri, Feb 26 - Mon, Aug 30
Multiple Airlines Logo
7:25 am - 12:57 pmKIX  Osaka Kansai Intl-SEA Seattle/Tacoma Intl
22h 32m2 stops Tokyo Narita Vancouver Intl
Multiple Airlines Logo
12:25 pm - 3:10 pmSEA  Seattle/Tacoma Intl-KIX Osaka Kansai Intl
34h 45m1 stop Hong Kong Intl
$1,037Multiple Airlines
Mon, Mar 1 - Sat, Sep 4
Air Canada Logo
7:25 pm - 9:55 pmKIX  Osaka Kansai Intl-SEA Seattle/Tacoma Intl
19h 30m1 stop Vancouver Intl
Air Canada Logo
7:15 pm - 4:25 pmSEA  Seattle/Tacoma Intl-KIX Osaka Kansai Intl
29h 10m1 stop Vancouver Intl
$1,751Air 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 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 15% cheaper than the average day, while Friday is the most expensive, with prices 36% higher.

Find deals

Key details for Osaka Kansai Intl Airport to Seattle flights

Low season

February

Cheapest flight

$492
Beat the crowds with an average 54% drop in travelers.
The most popular month to fly with an average 42% 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?

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

    • 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 about 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 $1,129, with an average of $921 over the past 12 months. Anything below $785 counts as a good deal.

  • How much can I save by taking a layover when flying from Osaka Kansai Intl Airport to Seattle?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $935 round-trip via Taipei City Taiwan Taoyuan Intl (TPE), compared to $1,009 for nonstop.

  • 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 $913 to $3,115. That means the highest observed fare was about 3x 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 $558, which is 11% 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:

    • Europcar
    • Fox
    • Thrifty
    • Budget
    • Dollar

  • 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) - 33% of one-stop connections
    • Incheon Intl (ICN) - 14% 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 38% on flights from Osaka Kansai Intl Airport to Seattle. Wednesday is the cheapest departure day at $785 round-trip on average, while Friday is the most expensive at $1,256, a difference of $471.

    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 39m, compared with 14h 13m via Vancouver Intl (YVR) and 17h 53m via Incheon Intl (ICN).

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

    Seattle is 17 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.

  • Which airlines offer free seat selection on Osaka Kansai Intl Airport to Seattle flights?

    None of the airlines on this route currently offer free seat selection. Seat selection is typically fee-based on this route, with availability depending on fare class.

  • Which airlines offer extra legroom on Osaka Kansai Intl Airport to Seattle flights?

    None of the airlines on this route currently offer extra legroom.

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 Friday. On this route, Wednesday flights average $785, about $471 less than Friday fares (38% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Osaka Kansai Intl Airport to Seattle trip for April. Fares historically average $785 round-trip in that month - typically $559 less than the most expensive month, which is October (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Taipei City Taiwan Taoyuan Intl Airport (TPE) can be cheaper than flying direct. The cheapest layover option averages $935 round-trip on this route - about $74 less than direct flights (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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