OSA - SEA

$489 Find Cheap Flights from Osaka to Seattle - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$969
Typical prices: $788-$1,131
Alaska Airlines
Fri 10/26Thu 11/8
ITM - SEA • 1 stop
Cheapest one-way
$489
Typical prices: $519-$736
Hainan Airlines
Fri 10/26
KIX - SEA • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Osaka and Seattle. You'll need to take a connecting flight to reach the destination.
Insights
Insights
Top routes
KIX - SEA
Cheapest • 11% average savings
ITM - SEA
Most popular
Insights
Insights
When to travel
April
Cheapest • 12% 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 51m (one-way)
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Seattle!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Osaka to Seattle (OSA-SEA)

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

Recent round-trip flight deals from Osaka to Seattle

Mon, Oct 26 - Sun, Nov 8
Multiple Airlines Logo
7:05 am - 10:15 amITM  Osaka Itami-SEA Seattle/Tacoma Intl
19h 10m1 stop Tokyo Haneda
Multiple Airlines Logo
11:55 am - 8:20 pmSEA  Seattle/Tacoma Intl-ITM Osaka Itami
15h 25m1 stop Tokyo Narita
$969Multiple Airlines
Mon, Oct 26 - Sun, Nov 8
Multiple Airlines Logo
2:35 pm - 9:20 amKIX  Osaka Kansai Intl-SEA Seattle/Tacoma Intl
34h 45m1 stop Beijing Capital
Multiple Airlines Logo
8:03 am - 7:10 pmSEA  Seattle/Tacoma Intl-KIX Osaka Kansai Intl
18h 07m1 stop Los Angeles
$991Multiple Airlines
Mon, Oct 26 - Sun, Nov 8
Multiple Airlines Logo
2:35 pm - 9:20 amKIX  Osaka Kansai Intl-SEA Seattle/Tacoma Intl
34h 45m1 stop Beijing Capital
Multiple Airlines Logo
10:03 am - 8:25 pmSEA  Seattle/Tacoma Intl-KIX Osaka Kansai Intl
17h 22m2 stops Vancouver Intl Tokyo Narita
$993Multiple Airlines
Mon, Oct 26 - Sat, Nov 7
Multiple Airlines Logo
2:35 pm - 9:20 amKIX  Osaka Kansai Intl-SEA Seattle/Tacoma Intl
34h 45m1 stop Beijing Capital
Multiple Airlines Logo
8:31 pm - 10:25 pmSEA  Seattle/Tacoma Intl-KIX Osaka Kansai Intl
56h 54m2 stops Oakland Incheon Intl
$1,001Multiple Airlines
Mon, Mar 1 - Mon, Mar 8
Multiple Airlines Logo
2:35 pm - 8:20 amKIX  Osaka Kansai Intl-SEA Seattle/Tacoma Intl
34h 45m1 stop Beijing Capital
Multiple Airlines Logo
11:45 pm - 11:10 amSEA  Seattle/Tacoma Intl-KIX Osaka Kansai Intl
18h 25m1 stop Taipei City Taiwan Taoyuan Intl
$1,004Multiple Airlines
Mon, Oct 26 - Tue, Nov 10
Multiple Airlines Logo
2:35 pm - 9:20 amKIX  Osaka Kansai Intl-SEA Seattle/Tacoma Intl
34h 45m1 stop Beijing Capital
Multiple Airlines Logo
8:09 pm - 6:40 pmSEA  Seattle/Tacoma Intl-KIX Osaka Kansai Intl
29h 31m2 stops Los Angeles Tokyo Narita
$1,015Multiple Airlines
Thu, Oct 29 - Mon, Nov 9
Air Canada Logo
7:25 pm - 9:57 pmKIX  Osaka Kansai Intl-SEA Seattle/Tacoma Intl
18h 32m1 stop Vancouver Intl
Air Canada Logo
8:40 am - 5:40 pmSEA  Seattle/Tacoma Intl-KIX Osaka Kansai Intl
16h 00m1 stop Vancouver Intl
$1,031Air Canada
Tue, Oct 27 - Mon, Nov 9
Air Canada Logo
7:25 pm - 9:57 pmKIX  Osaka Kansai Intl-SEA Seattle/Tacoma Intl
18h 32m1 stop Vancouver Intl
Air Canada Logo
10:10 am - 5:40 pmSEA  Seattle/Tacoma Intl-KIX Osaka Kansai Intl
14h 30m1 stop Vancouver Intl
$1,031Air Canada
Thu, Oct 29 - Sat, Nov 7
Air Canada Logo
7:25 pm - 9:27 amKIX  Osaka Kansai Intl-SEA Seattle/Tacoma Intl
30h 02m1 stop Vancouver Intl
Air Canada Logo
7:05 pm - 5:40 pmSEA  Seattle/Tacoma Intl-KIX Osaka Kansai Intl
29h 35m1 stop Vancouver Intl
$1,031Air Canada
Tue, Oct 27 - Sun, Nov 8
Air Canada Logo
7:25 pm - 9:57 pmKIX  Osaka Kansai Intl-SEA Seattle/Tacoma Intl
18h 32m1 stop Vancouver Intl
Air Canada Logo
7:05 pm - 5:40 pmSEA  Seattle/Tacoma Intl-KIX Osaka Kansai Intl
29h 35m1 stop Vancouver Intl
$1,031Air Canada
Booking Insights

Price, demand and travel trends for Osaka to Seattle flights

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

What is the cheapest Osaka to Seattle flight route?

Osaka Kansai Intl Airport (KIX) to Seattle (SEA) is the cheapest Osaka to Seattle route, averaging $865 round-trip. Other Osaka to Seattle routes average $1,079, based on KAYAK data over the past 12 months.

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

Sunday is the cheapest day of the week to fly from Osaka to Seattle, it is 15% cheaper than the average day. Friday is the most expensive day with flight prices 25% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Osaka to Seattle?

•April is the cheapest month to fly from Osaka to Seattle at $785 round-trip.
•October ($1,660) and July ($1,234) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 111% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Osaka to Seattle flights

Low season

October

Cheapest flight

$489
Best time to beat the crowds but there is an average 86% increase in price.
Most popular time to fly and prices are also 12% lower on average.
Flight from Osaka Kansai Intl Airport to Seattle

When to book flights from Osaka to Seattle

Are your dates flexible? Find out the best times to travel from Osaka 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 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 to Seattle?

    Flights from Osaka to Seattle may depart from several airports in Osaka area, including Osaka Itami (ITM) and Osaka Kansai Intl (KIX). Flights usually arrive at Seattle/Tacoma Intl (SEA).

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

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

    • Economy Class
    • Premium Economy Class
    • Business Class

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

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

    • Taipei City Taiwan Taoyuan Intl (TPE) - 44% of one-stop connections
    • Vancouver Intl (YVR) - 30% of one-stop connections
    • Incheon Intl (ICN) - 15% of one-stop connections
    • Tokyo Haneda (HND) - 5% of one-stop connections

    Taipei City Taiwan Taoyuan Intl (TPE) handles the largest share of one-stop connections on this route.

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

    On the Osaka 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, Lumen Field and Space Needle. These are among the most viewed places in Seattle on KAYAK.

  • How long is a flight from Osaka to Seattle?

    A nonstop flight from Osaka to Seattle takes 0h 00m, covering 5,002 miles.

  • Do I need a passport to fly from Osaka 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 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 $969 to $7,140. That means the highest observed fare was about 7x higher than the lowest one.

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

    One-way fares from Osaka to Seattle are currently lower than usual. Average one-way flight prices are about $514, which is 12% below the typical average for this route.

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

    Flying via Tokyo Haneda (HND) gives the shortest average 1-stop total travel time at 12h 51m, compared with 13h 28m via Tokyo Narita (NRT) and 14h 14m via Vancouver Intl (YVR).

  • What is the time difference between Osaka and Seattle?

    Seattle is 16 hours behind Osaka (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 to Seattle flight?

    Round-trip flights from Osaka to Seattle range from $788 to $1,131, with an average of $893 over the past 12 months. Anything below $788 counts as a good deal.

Your guide to booking Osaka 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 to Seattle trip for April. Fares historically average $785 round-trip in that month - typically $875 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.
    - Seattle Airport Marriott
    - Coast Gateway Hotel
    - Fairfield by Marriott Inn & Suites Seattle Sea-Tac Airport

More options for your flight from Osaka to Seattle

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

Car rentals in Seattle
Hotels in Seattle
Vacations in Seattle