Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Osaka Kansai Intl Airport to Seattle from $471

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Osaka Kansai Intl Airport to Seattle departing on 9/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Osaka Kansai Intl Airport to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:20 pm - 9:00 am
KIX
-
SEA
34h 40m
1 stop
Multiple Airlines Logo
11:10 pm - 7:35 pm
SEA
-
KIX
28h 25m
1 stop
$930Multiple Airlines
Mon, Sep 21 - Tue, Sep 22
Multiple Airlines Logo
5:00 pm - 10:40 am
KIX
-
SEA
33h 40m
2 stops
Multiple Airlines Logo
11:10 pm - 2:10 pm
SEA
-
KIX
23h 00m
1 stop
$1,032Multiple Airlines
Wed, Sep 2 - Sun, Sep 6
Multiple Airlines Logo
7:45 am - 6:11 am
KIX
-
SEA
38h 26m
2 stops
Multiple Airlines Logo
12:25 pm - 6:40 am
SEA
-
KIX
26h 15m
1 stop
$1,034Multiple Airlines
Mon, Aug 24 - Mon, Aug 31
Asiana Airlines Logo
9:30 am - 3:15 pm
KIX
-
SEA
21h 45m
1 stop
Asiana Airlines Logo
12:10 am - 9:00 am
SEA
-
KIX
16h 50m
1 stop
$1,039Asiana Airlines
Fri, Sep 11 - Thu, Sep 24
Asiana Airlines Logo
9:10 am - 2:55 pm
KIX
-
SEA
21h 45m
1 stop
Asiana Airlines Logo
12:10 am - 9:40 am
SEA
-
KIX
16h 30m
1 stop
$1,045Asiana Airlines
Tue, Oct 27 - Wed, Jan 20
Multiple Airlines Logo
7:45 am - 6:32 pm
KIX
-
SEA
26h 47m
2 stops
Multiple Airlines Logo
5:50 am - 4:25 pm
SEA
-
KIX
18h 35m
1 stop
$1,049Multiple Airlines
Sun, Aug 23 - Wed, Aug 26
Multiple Airlines Logo
8:55 pm - 1:40 pm
KIX
-
SEA
56h 45m
2 stops
Multiple Airlines Logo
12:25 pm - 6:40 am
SEA
-
KIX
26h 15m
1 stop
$1,050Multiple Airlines
Mon, Aug 24 - Mon, Aug 31
Asiana Airlines Logo
7:45 pm - 3:15 pm
KIX
-
SEA
35h 30m
1 stop
Asiana Airlines Logo
12:10 am - 9:00 am
SEA
-
KIX
16h 50m
1 stop
$1,053Asiana Airlines
Wed, Sep 9 - Thu, Sep 24
Multiple Airlines Logo
9:30 am - 3:45 pm
KIX
-
SEA
22h 15m
1 stop
Multiple Airlines Logo
12:10 am - 10:40 pm
SEA
-
KIX
30h 30m
1 stop
$1,061Multiple Airlines
Sun, Aug 23 - Tue, Aug 25
Philippine Airlines Logo
3:15 pm - 8:05 pm
KIX
-
SEA
20h 50m
1 stop
Philippine Airlines Logo
11:10 pm - 2:10 pm
SEA
-
KIX
23h 00m
1 stop
$1,062Philippine Airlines
Wed, Sep 2 - Sun, Sep 6

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Air Canada flights from Osaka Kansai Intl Airport to Seattle

Our best Air Canada deals on Osaka Kansai Intl Airport to Seattle flight tickets
Air Canada
Aug 24
KIX6:00 pmOsaka Kansai Intl
32h 07m
1 stop
SEA10:07 amSeattle/Tacoma Intl
Aug 31
SEA10:45 amSeattle/Tacoma Intl
13h 40m
1 stop
KIX4:25 pmOsaka Kansai Intl
$1,071
Air Canada
Sep 1
KIX6:00 pmOsaka Kansai Intl
16h 32m
1 stop
SEA6:32 pmSeattle/Tacoma Intl
Sep 6
SEA5:50 amSeattle/Tacoma Intl
18h 35m
1 stop
KIX4:25 pmOsaka Kansai Intl
$1,096
Air Canada
Sep 1
KIX6:00 pmOsaka Kansai Intl
16h 32m
1 stop
SEA6:32 pmSeattle/Tacoma Intl
Sep 6
SEA5:50 amSeattle/Tacoma Intl
18h 35m
1 stop
KIX4:25 pmOsaka Kansai Intl
$1,097

Asiana Airlines flights from Osaka Kansai Intl Airport to Seattle

Our best Asiana Airlines deals on Osaka Kansai Intl Airport to Seattle flight tickets
Asiana Airlines
Sep 11
KIX9:30 amOsaka Kansai Intl
21h 45m
1 stop
SEA3:15 pmSeattle/Tacoma Intl
Sep 24
SEA12:10 amSeattle/Tacoma Intl
16h 50m
1 stop
KIX9:00 amOsaka Kansai Intl
$1,039
Asiana Airlines
Oct 27
KIX9:10 amOsaka Kansai Intl
21h 45m
1 stop
SEA2:55 pmSeattle/Tacoma Intl
Jan 20
SEA12:10 amSeattle/Tacoma Intl
16h 30m
1 stop
KIX9:40 amOsaka Kansai Intl
$1,045
Asiana Airlines
Sep 9
KIX7:45 pmOsaka Kansai Intl
35h 30m
1 stop
SEA3:15 pmSeattle/Tacoma Intl
Sep 24
SEA12:10 amSeattle/Tacoma Intl
16h 50m
1 stop
KIX9:00 amOsaka Kansai Intl
$1,053

momondo Fare Finder

 
Customize your flight search to find flights from Osaka Kansai Intl Airport to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 2, 2026.
Use the filters below to find and compare flights from Osaka Kansai Intl Airport to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Mon 9/21

2:20 pm-9:00 am

1 stop34h 40m

Seattle/Tacoma Intl

Tue 9/22

11:10 pm-7:35 pm

1 stop28h 25m

$930

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Wed 9/2

5:00 pm-10:40 am

2 stops33h 40m

Seattle/Tacoma Intl

Sun 9/6

11:10 pm-2:10 pm

1 stop23h 00m

$1,032

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Mon 8/24

7:45 am-6:11 am

2 stops38h 26m

Seattle/Tacoma Intl

Mon 8/31

12:25 pm-6:40 am

1 stop26h 15m

$1,034

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Fri 9/11

9:30 am-3:15 pm

1 stop21h 45m

Seattle/Tacoma Intl

Thu 9/24

12:10 am-9:00 am

1 stop16h 50m

$1,039
Quickest round-trip

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Tue 10/27

9:10 am-2:55 pm

1 stop21h 45m

Seattle/Tacoma Intl

Wed 1/20

12:10 am-9:40 am

1 stop16h 30m

$1,045

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Sun 8/23

7:45 am-6:32 pm

2 stops26h 47m

Seattle/Tacoma Intl

Wed 8/26

5:50 am-4:25 pm

1 stop18h 35m

$1,049

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Mon 8/24

8:55 pm-1:40 pm

2 stops56h 45m

Seattle/Tacoma Intl

Mon 8/31

12:25 pm-6:40 am

1 stop26h 15m

$1,050

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Wed 9/9

7:45 pm-3:15 pm

1 stop35h 30m

Seattle/Tacoma Intl

Thu 9/24

12:10 am-9:00 am

1 stop16h 50m

$1,053

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Sun 8/23

9:30 am-3:45 pm

1 stop22h 15m

Seattle/Tacoma Intl

Tue 8/25

12:10 am-10:40 pm

1 stop30h 30m

$1,061

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Wed 9/2

3:15 pm-8:05 pm

1 stop20h 50m

Seattle/Tacoma Intl

Sun 9/6

11:10 pm-2:10 pm

1 stop23h 00m

$1,062

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Seattle from

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

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 airline that flies from Osaka Kansai Intl to Seattle/Tacoma Intl?

Hainan Airlines and Philippine Airlines are the most popular carriers operating from Osaka Kansai Intl to Seattle/Tacoma Intl

When to book flights from Osaka Kansai Intl Airport to Seattle

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

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

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

Fastest flight time

30h 30m

Direct flights

None
The fastest flight from Osaka Kansai Intl Airport to Seattle takes 30h 30m
There are no direct flights from Osaka Kansai Intl Airport to Seattle. There are no popular flight routes from Osaka Kansai Intl Airport to Seattle.
Search flight deals

Frequently asked questions about flying from Osaka Kansai Intl Airport to Seattle

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

    The distance between Osaka Kansai Intl and Seattle/Tacoma Intl is about 5017.2 mi. By plane, this route typically takes 30h 30m.

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

    Prices for flights from Osaka Kansai Intl Airport to Seattle/Tacoma Intl Airport refresh daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Osaka Kansai Intl Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Best airlines flying from Osaka Kansai Intl Airport to Seattle

Compare and see reviews for airlines that fly from Osaka Kansai Intl Airport to Seattle with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $794Free CancellationRating
7.1
11,286 reviews
Search Air Canada flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Redmond
Kent
Lakewood
Puyallup
Tukwila
Cle Elum
Federal Way
Fife
Marysville
Centralia
Kirkland
Shoreline
Westport

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Osaka to Seattle. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Seattle from Osaka on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Osaka to Seattle.

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

Yes. momondo can track prices for Osaka to Seattle flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 8/1
Sat 8/8
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States