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Cheap flights from Seattle to Osaka Kansai Intl Airport from $360

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Osaka Kansai Intl Airport departing on 2/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Seattle to Osaka

Cheap round-trip flights

These are some of the best round-trip flight deals from Seattle to Osaka that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Seattle to Osaka.

Cheap last minute flights

Planning a quick getaway from Seattle to Osaka? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Osaka, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Seattle to Osaka

Find recent round-trip train or bus tickets from Seattle to Osaka.

All round-trip flight deals to Osaka

The cheapest plane tickets to Osaka found on KAYAK recently.
12:45 pm - 8:55 pmSEA-KIX
15h 10m1 stop
9:00 am - 10:55 amKIX-SEA
18h 55m1 stop
$597Asiana Airlines
Find Deal
Mon, Feb 24 - Fri, Feb 28
12:45 pm - 5:45 pmSEA-KIX
36h 00m1 stop
10:50 am - 10:55 amKIX-SEA
17h 05m1 stop
$606Asiana Airlines
Find Deal
Tue, Feb 4 - Wed, Feb 26
12:45 pm - 5:45 pmSEA-KIX
36h 00m1 stop
10:50 am - 10:55 amKIX-SEA
17h 05m1 stop
$612Asiana Airlines
Find Deal
Mon, Feb 17 - Wed, Feb 26
12:45 pm - 8:55 pmSEA-KIX
15h 10m1 stop
10:50 am - 10:55 amKIX-SEA
17h 05m1 stop
$614Asiana Airlines
Find Deal
Mon, Feb 17 - Wed, Feb 26
6:15 am - 11:00 amSEA-KIX
36h 45m2 stops
9:55 am - 5:00 pmKIX-SEA
23h 05m2 stops
$740China Eastern
Find Deal
Sat, May 17 - Mon, May 26
4:40 pm - 9:55 pmSEA-KIX
13h 15m1 stop
6:45 am - 2:25 pmKIX-SEA
23h 40m1 stop
$749ANA
Find Deal
Wed, Apr 30 - Wed, May 7
7:00 am - 4:35 pmSEA-KIX
16h 35m1 stop
5:30 pm - 2:25 pmKIX-SEA
12h 55m1 stop
$750ANA
Find Deal
Sun, Jan 26 - Tue, Jun 3
8:03 am - 10:20 pmSEA-KIX
21h 17m2 stops
7:30 am - 9:55 amKIX-SEA
19h 25m1 stop
$754Japan Airlines
Find Deal
Tue, Jan 28 - Tue, Feb 4
8:03 am - 10:20 pmSEA-KIX
21h 17m2 stops
8:45 pm - 9:55 amKIX-SEA
30h 10m1 stop
$773Japan Airlines
Find Deal
Tue, Feb 4 - Wed, Feb 26
9:31 pm - 9:00 pmSEA-KIX
30h 29m2 stops
6:10 pm - 9:00 amKIX-SEA
31h 50m1 stop
$921Korean Air
Find Deal
Sun, Feb 16 - Sun, Feb 23
12:45 pm - 5:45 pmSEA-KIX
36h 00m1 stop
$360Asiana Airlines
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Sat, Feb 15
2:00 pm - 8:55 pmSEA-KIX
14h 55m1 stop
$379Asiana Airlines
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Thu, Apr 24
2:00 pm - 5:50 pmSEA-KIX
35h 50m1 stop
$398Asiana Airlines
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Sun, Mar 30
5:15 pm - 1:25 pmSEA-KIX
27h 10m2 stops
$457ANA
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Sat, Jan 18
7:32 pm - 9:50 pmSEA-KIX
33h 18m2 stops
$478ANA
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Sat, Feb 15
1:30 am - 10:10 amSEA-KIX
16h 40m1 stop
$575EVA Air
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Sun, Apr 13
1:30 am - 10:10 amSEA-KIX
16h 40m1 stop
$581EVA Air
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Wed, Apr 23
1:15 am - 12:05 pmSEA-KIX
18h 50m1 stop
$607STARLUX Airlines
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Sat, Mar 29
1:15 am - 12:05 pmSEA-KIX
18h 50m1 stop
$618STARLUX Airlines
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Fri, May 2
1:10 am - 12:50 pmSEA-KIX
19h 40m1 stop
$3,440China Airlines
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Thu, Apr 10
7:00 am - 6:45 pmSEA-KIX
18h 45m1 stop
8:45 pm - 9:20 pmKIX-SEA
17h 35m1 stop
$1,135Hawaiian Airlines
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Tue, Jan 7 - Sat, Jan 11
7:00 am - 6:15 pmSEA-KIX
18h 15m2 stops
6:55 pm - 10:55 amKIX-SEA
33h 00m1 stop
$1,296
Find Deal
Tue, Jan 7 - Sat, Jan 11
5:45 am - 9:55 pmSEA-KIX
23h 10m2 stops
10:50 am - 9:20 pmKIX-SEA
27h 30m2 stops
$1,319
Find Deal
Tue, Jan 7 - Sat, Jan 11
12:50 pm - 10:10 amSEA-KIX
52h 20m3 stops
6:30 pm - 10:30 pmKIX-SEA
45h 00m2 stops
$1,352United Airlines
Find Deal
Tue, Jan 7 - Sat, Jan 11
12:10 am - 11:35 amSEA-KIX
18h 25m1 stop
6:55 pm - 10:55 amKIX-SEA
33h 00m1 stop
$1,679
Find Deal
Mon, Jan 6 - Sat, Jan 11
12:10 am - 5:50 pmSEA-KIX
24h 40m1 stop
7:00 pm - 10:00 amKIX-SEA
32h 00m2 stops
$3,457
Find Deal
Mon, Jan 6 - Sat, Jan 11
5:59 pm - 2:55 pmSEA-KIX
27h 56m3 stops
4:05 pm - 10:00 amKIX-SEA
34h 55m3 stops
$7,163Cathay Pacific
Find Deal
Tue, Jan 7 - Sat, Jan 11

Japan Airlines flights from Seattle to Osaka Kansai Intl Airport

Our best Japan Airlines deals on Seattle to Osaka Kansai Intl Airport flight tickets
Japan Airlines
Jan 28
SEA8:03 amSeattle/Tacoma Intl
21h 17m
2 stops
KIX10:20 pmOsaka Kansai Intl
Feb 4
KIX7:30 amOsaka Kansai Intl
19h 25m
1 stop
SEA9:55 amSeattle/Tacoma Intl
Japan Airlines
Feb 4
SEA8:03 amSeattle/Tacoma Intl
21h 17m
2 stops
KIX10:20 pmOsaka Kansai Intl
Feb 26
KIX8:45 pmOsaka Kansai Intl
30h 10m
1 stop
SEA9:55 amSeattle/Tacoma Intl
Japan Airlines
Apr 24
SEA6:05 amSeattle/Tacoma Intl
20h 50m
1 stop
KIX6:55 pmOsaka Kansai Intl
May 6
KIX6:40 amOsaka Kansai Intl
26h 00m
2 stops
SEA4:40 pmSeattle/Tacoma Intl

ANA flights from Seattle to Osaka Kansai Intl Airport

Our best ANA deals on Seattle to Osaka Kansai Intl Airport flight tickets
ANA
Apr 30
SEA4:40 pmSeattle/Tacoma Intl
13h 15m
1 stop
KIX9:55 pmOsaka Kansai Intl
May 7
KIX6:45 amOsaka Kansai Intl
23h 40m
1 stop
SEA2:25 pmSeattle/Tacoma Intl
ANA
Jan 26
SEA7:00 amSeattle/Tacoma Intl
16h 35m
1 stop
KIX4:35 pmOsaka Kansai Intl
Jun 3
KIX5:30 pmOsaka Kansai Intl
12h 55m
1 stop
SEA2:25 pmSeattle/Tacoma Intl
ANA
Mar 9
SEA7:00 amSeattle/Tacoma Intl
19h 15m
2 stops
KIX6:15 pmOsaka Kansai Intl
Mar 19
KIX3:40 pmOsaka Kansai Intl
14h 40m
1 stop
SEA2:20 pmSeattle/Tacoma Intl

See travel insights to Osaka from

How to get the cheapest flight ticket from Seattle to Osaka Kansai Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Osaka Kansai Intl Airport?

In general, February is the cheapest month to fly from Seattle to Osaka Kansai Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $975. If you aren’t able to travel during the month of February, then book flights to Osaka Kansai Intl Airport from Seattle during May instead. Flights to Osaka Kansai Intl Airport in May, while not as cheap as those in February, still average around $1,026.

What is the cheapest day to depart on your flight to Osaka Kansai Intl Airport?

The cheapest day to depart from Seattle to Osaka Kansai Intl Airport is on a Thursday. Travelers who choose to depart for Osaka Kansai Intl Airport on a Thursday will often find tickets for as low as $999. Flights from Seattle to Osaka Kansai Intl Airport on a Sunday will generally be more expensive and average around $1,405. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Osaka Kansai Intl Airport?

Our data shows that the cheapest Seattle to Osaka Kansai Intl Airport flights are usually those with departure times in the morning. Our users have found flights to Osaka Kansai Intl Airport in the morning for as low as $1,065. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,566 on average. Flights to Osaka Kansai Intl Airport from Seattle in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Osaka Kansai Intl Airport?

In general, most travelers find the cheapest time to book a flight to Osaka Kansai Intl Airport is about 46 days prior to their departure date when tickets on average are $1,164. Don’t hesitate to check prices now though because momondo users recently found tickets for as low as $729.

Can stopping save me money on Seattle to Osaka Kansai Intl Airport flights?

You could potentially save up to 21% on your flight if you consider stops on a Seattle to Osaka Kansai Intl Airport flight.

How have Seattle to Osaka Kansai Intl Airport flight prices changed over time?

As of January 2025, prices for Seattle to Osaka Kansai Intl Airport flights are approximately 27% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Osaka Kansai Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Osaka Kansai Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Osaka Kansai Intl Airport (SEA to KIX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Osaka Kansai Intl Airport

Best Price Found

$360

Fastest flight time

13h 15m

Direct flights

None
The best one-way flight to Osaka Kansai Intl Airport from Seattle in the past 72 hours is $360. The best round-trip flight deal from Seattle to Osaka Kansai Intl Airport found on momondo in the last 72 hours is $597.
The fastest flight from Seattle to Osaka Kansai Intl Airport takes 13h 15m
There are no direct flights from Seattle to Osaka Kansai Intl Airport. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Osaka Kansai Intl Airport.

  • How far is Seattle/Tacoma Intl to Osaka Kansai Intl by plane?

    The distance between Seattle/Tacoma Intl and Osaka Kansai Intl is about 5017.2 mi. By plane, this route typically takes 13h 15m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Osaka Kansai Intl Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Osaka Kansai Intl Airport were last updated today.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Osaka Kansai Intl Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Osaka Kansai Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Osaka Kansai Intl Airport.

  • What documentation or ID do you need to fly to Osaka Kansai Intl Airport?

    The travel and health documents you'll need for your trip to Osaka Kansai Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Osaka Kansai Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Seattle to Osaka Kansai Intl Airport?


Best airlines flying from Seattle to Osaka Kansai Intl Airport

Compare and see reviews for airlines that fly from Seattle to Osaka Kansai Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
China EasternPriceFrom $719Free CancellationRating
7.0
137 reviews
Search China Eastern flights
ANAPriceFrom $803Free CancellationRating
8.4
844 reviews
Search ANA flights
Asiana AirlinesPriceFrom $832Free CancellationRating
8.2
463 reviews
Search Asiana Airlines flights
China AirlinesPriceFrom $852Free CancellationRating
8.2
743 reviews
Search China Airlines flights
STARLUX AirlinesPriceFrom $918Free CancellationRating
9.1
130 reviews
Search STARLUX Airlines flights
Air CanadaPriceFrom $930Free CancellationRating
7.0
8,481 reviews
Search Air Canada flights
Korean AirPriceFrom $975Free CancellationRating
8.4
1,030 reviews
Search Korean Air flights
Hawaiian AirlinesPriceFrom $997Free CancellationRating
7.9
2,301 reviews
Search Hawaiian Airlines flights
EVA AirPriceFrom $1,033Free CancellationRating
8.4
1,247 reviews
Search EVA Air flights

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Osaka?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Osaka for you.

Can I find flights from Seattle to Osaka with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Seattle to Osaka flights to just show those with flexible booking policies.

How can momondo help me find flights from Seattle to Osaka?

momondo provides multiple filters to help you find the best flight to Osaka from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Seattle to Osaka right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Seattle to Osaka flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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