What is the cheapest airline that flies from Osaka Kansai Intl to Washington?

Hainan Airlines, Philippine Airlines, and ANA are the most popular carriers operating from Osaka Kansai Intl to Washington

How many operators does momondo search for flights from Osaka Kansai Intl Airport to Washington?

As of November 2026, there is 1 operator available to choose from for flights from Osaka Kansai Intl Airport to Washington.

How old do you have to be to fly from Osaka Kansai Intl Airport to Washington?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Osaka Kansai Intl Airport to Washington.

What documentation or ID do you need to fly to Washington?

The travel and health documents required for your trip to Washington 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 Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$472 Cheap Flights from Osaka Kansai Intl Airport to State of Washington in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Osaka Kansai Intl Airport to Washington

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:15 am - 6:10 pmKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

27h 55m1 stop Taipei City Taiwan Taoyuan Intl

9:30 am - 8:55 amSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

30h 25m2 stops Honolulu Tokyo Haneda

$849Multiple Airlines

Tue, Dec 1 - Tue, Dec 8

9:20 pm - 6:45 pmKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

38h 25m1 stop Manila Ninoy Aquino Intl

1:59 pm - 6:45 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

35h 46m1 stop Honolulu

$864Multiple Airlines

Tue, Nov 17 - Tue, Nov 24

9:20 pm - 6:45 pmKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

38h 25m1 stop Manila Ninoy Aquino Intl

7:00 am - 6:45 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

18h 45m1 stop Honolulu

$901Multiple Airlines

Tue, Jan 26 - Fri, Jan 29

10:05 am - 6:45 pmKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

25h 40m1 stop Manila Ninoy Aquino Intl

7:00 am - 6:45 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

18h 45m1 stop Honolulu

$911Multiple Airlines

Sun, Feb 7 - Sat, Feb 20

2:35 pm - 8:20 amKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

34h 45m1 stop Beijing Capital

6:30 pm - 6:45 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

31h 15m1 stop Honolulu

$1,004Multiple Airlines

Fri, Nov 13 - Fri, Nov 20

2:35 pm - 8:20 amKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

34h 45m1 stop Beijing Capital

7:00 am - 4:45 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

16h 45m1 stop San Francisco

$1,018Multiple Airlines

Mon, Jan 25 - Fri, Jan 29

3:00 pm - 6:43 pmKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

20h 43m2 stops Tokyo Narita San Francisco

3:45 pm - 9:50 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

13h 05m1 stop Tokyo Haneda

$1,033Multiple Airlines

Tue, Jan 26 - Fri, Jan 29

7:50 am - 7:08 amKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

40h 18m2 stops Tokyo Narita Vancouver Intl

3:45 pm - 3:25 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

30h 40m1 stop Tokyo Haneda

$1,034Multiple Airlines

Sun, Feb 7 - Sat, Feb 20

3:00 pm - 12:58 pmKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

38h 58m2 stops Tokyo Narita Vancouver Intl

3:45 pm - 3:25 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

30h 40m1 stop Tokyo Haneda

$1,035Multiple Airlines

Sun, Feb 7 - Sat, Feb 20

7:25 pm - 9:32 amKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

31h 07m1 stop Vancouver Intl

10:10 am - 5:40 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

14h 30m1 stop Vancouver Intl

$1,053Air Canada

Mon, Feb 15 - Sun, Feb 21

Cheap last minute flights

Enter your travel dates to find the best prices.

8:45 pm - 6:33 pmKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

38h 48m2 stops Honolulu Los Angeles

3:40 pm - 8:25 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

35h 45m1 stop Tokyo Haneda

$1,041Multiple Airlines

Thu, Nov 5 - Thu, Nov 12

2:35 pm - 8:20 amKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

34h 45m1 stop Beijing Capital

7:00 am - 4:45 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

16h 45m1 stop San Francisco

$1,072Multiple Airlines

Fri, Nov 6 - Wed, Nov 11

2:35 pm - 8:20 amKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

34h 45m1 stop Beijing Capital

6:30 pm - 6:45 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

31h 15m1 stop Honolulu

$1,103Multiple Airlines

Fri, Nov 6 - Fri, Nov 20

1:40 pm - 6:10 pmKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

21h 30m1 stop Taipei City Taiwan Taoyuan Intl

3:40 pm - 8:25 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

35h 45m1 stop Tokyo Haneda

$1,131Multiple Airlines

Thu, Nov 5 - Thu, Nov 12

2:35 pm - 8:20 amKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

34h 45m1 stop Beijing Capital

12:00 pm - 2:45 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

33h 45m3 stops Los Angeles Hong Kong Intl Taipei City Taiwan Taoyuan Intl

$1,175Multiple Airlines

Fri, Nov 6 - Wed, Nov 11

2:35 pm - 8:20 amKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

34h 45m1 stop Beijing Capital

9:37 pm - 9:10 amSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

42h 33m2 stops Vancouver Intl Tokyo Narita

$1,243Multiple Airlines

Fri, Nov 6 - Fri, Nov 20

9:20 pm - 6:45 pmKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

38h 25m1 stop Manila Ninoy Aquino Intl

1:59 pm - 2:45 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

31h 46m3 stops Los Angeles Hong Kong Intl Taipei City Taiwan Taoyuan Intl

$1,315Multiple Airlines

Thu, Nov 5 - Thu, Nov 12

6:10 pm - 9:57 pmKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

20h 47m2 stops Taipei City Taiwan Taoyuan Intl Vancouver Intl

12:10 am - 9:55 amSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

16h 45m1 stop Taipei City Taiwan Taoyuan Intl

$1,404Multiple Airlines

Fri, Nov 6 - Tue, Nov 10

9:50 am - 2:44 pmKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

21h 54m2 stops Hong Kong Intl Vancouver Intl

10:03 am - 2:45 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

35h 42m3 stops Vancouver Intl Hong Kong Intl Taipei City Taiwan Taoyuan Intl

$1,458Cathay Pacific

Thu, Nov 5 - Thu, Nov 12

4:15 pm - 8:54 amKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

33h 39m3 stops Taipei City Taiwan Taoyuan Intl Hong Kong Intl Los Angeles

12:00 pm - 2:45 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

33h 45m3 stops Los Angeles Hong Kong Intl Taipei City Taiwan Taoyuan Intl

$1,618Cathay Pacific

Thu, Nov 5 - Thu, Nov 12

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Philippine Airlines flights from Osaka Kansai Intl Airport to State of Washington

Our best Philippine Airlines deals on Osaka Kansai Intl Airport to State of Washington flight tickets

Philippine Airlines

Jan 25

KIX10:05 amOsaka Kansai Intl

25h 40m

1 stop

SEA6:45 pmSeattle/Tacoma Intl

Jan 29

SEA9:30 pmSeattle/Tacoma Intl

23h 15m

1 stop

KIX1:45 pmOsaka Kansai Intl

$1,136

Philippine Airlines

Jan 28

KIX9:20 pmOsaka Kansai Intl

38h 25m

1 stop

SEA6:45 pmSeattle/Tacoma Intl

Feb 1

SEA9:30 pmSeattle/Tacoma Intl

29h 35m

1 stop

KIX8:05 pmOsaka Kansai Intl

$1,257

Philippine Airlines

Jan 20

KIX10:05 amOsaka Kansai Intl

25h 40m

1 stop

SEA6:45 pmSeattle/Tacoma Intl

Feb 3

SEA9:30 pmSeattle/Tacoma Intl

29h 35m

1 stop

KIX8:05 pmOsaka Kansai Intl

$1,259

Cathay Pacific flights from Osaka Kansai Intl Airport to State of Washington

Our best Cathay Pacific deals on Osaka Kansai Intl Airport to State of Washington flight tickets

Cathay Pacific

Nov 5

KIX9:50 amOsaka Kansai Intl

21h 54m

2 stops

SEA2:44 pmSeattle/Tacoma Intl

Nov 12

SEA10:03 amSeattle/Tacoma Intl

35h 42m

3 stops

KIX2:45 pmOsaka Kansai Intl

$1,458

Cathay Pacific

Nov 10

KIX7:05 pmOsaka Kansai Intl

29h 02m

2 stops

SEA7:07 amSeattle/Tacoma Intl

Nov 17

SEA11:26 amSeattle/Tacoma Intl

34h 19m

3 stops

KIX2:45 pmOsaka Kansai Intl

$1,500

Cathay Pacific

Nov 5

KIX4:15 pmOsaka Kansai Intl

33h 39m

3 stops

SEA8:54 amSeattle/Tacoma Intl

Nov 12

SEA12:00 pmSeattle/Tacoma Intl

33h 45m

3 stops

KIX2:45 pmOsaka Kansai Intl

$1,618

momondo Fare Finder

Use the filters below to find and compare flights from Osaka Kansai Intl Airport to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OsakaSeattle

KIX Osaka Kansai Intl - SEA Seattle/Tacoma Intl

KIXSEA

Osaka Kansai Intl

Tue 12/1

7:15 am-6:10 pm

1 stop27h 55m

Seattle/Tacoma Intl

Tue 12/8

9:30 am-8:55 am

2 stops30h 25m

$849

OsakaSeattle

KIX Osaka Kansai Intl - SEA Seattle/Tacoma Intl

KIXSEA

Osaka Kansai Intl

Tue 11/17

9:20 pm-6:45 pm

1 stop38h 25m

Seattle/Tacoma Intl

Tue 11/24

1:59 pm-6:45 pm

1 stop35h 46m

$864

OsakaSeattle

KIX Osaka Kansai Intl - SEA Seattle/Tacoma Intl

KIXSEA

Osaka Kansai Intl

Tue 1/26

9:20 pm-6:45 pm

1 stop38h 25m

Seattle/Tacoma Intl

Fri 1/29

7:00 am-6:45 pm

1 stop18h 45m

$901

OsakaSeattle

KIX Osaka Kansai Intl - SEA Seattle/Tacoma Intl

KIXSEA

Osaka Kansai Intl

Sun 2/7

10:05 am-6:45 pm

1 stop25h 40m

Seattle/Tacoma Intl

Sat 2/20

7:00 am-6:45 pm

1 stop18h 45m

$911

OsakaSeattle

KIX Osaka Kansai Intl - SEA Seattle/Tacoma Intl

KIXSEA

Osaka Kansai Intl

Fri 11/13

2:35 pm-8:20 am

1 stop34h 45m

Seattle/Tacoma Intl

Fri 11/20

6:30 pm-6:45 pm

1 stop31h 15m

$1,004

OsakaSeattle

KIX Osaka Kansai Intl - SEA Seattle/Tacoma Intl

KIXSEA

Osaka Kansai Intl

Mon 1/25

2:35 pm-8:20 am

1 stop34h 45m

Seattle/Tacoma Intl

Fri 1/29

7:00 am-4:45 pm

1 stop16h 45m

$1,018

Quickest round-trip

OsakaSeattle

KIX Osaka Kansai Intl - SEA Seattle/Tacoma Intl

KIXSEA

Osaka Kansai Intl

Tue 1/26

3:00 pm-6:43 pm

2 stops20h 43m

Seattle/Tacoma Intl

Fri 1/29

3:45 pm-9:50 pm

1 stop13h 05m

$1,033

OsakaSeattle

KIX Osaka Kansai Intl - SEA Seattle/Tacoma Intl

KIXSEA

Osaka Kansai Intl

Sun 2/7

7:50 am-7:08 am

2 stops40h 18m

Seattle/Tacoma Intl

Sat 2/20

3:45 pm-3:25 pm

1 stop30h 40m

$1,034

OsakaSeattle

KIX Osaka Kansai Intl - SEA Seattle/Tacoma Intl

KIXSEA

Osaka Kansai Intl

Sun 2/7

3:00 pm-12:58 pm

2 stops38h 58m

Seattle/Tacoma Intl

Sat 2/20

3:45 pm-3:25 pm

1 stop30h 40m

$1,035

OsakaSeattle

KIX Osaka Kansai Intl - SEA Seattle/Tacoma Intl

KIXSEA

Osaka Kansai Intl

Mon 2/15

7:25 pm-9:32 am

1 stop31h 07m

Seattle/Tacoma Intl

Sun 2/21

10:10 am-5:40 pm

1 stop14h 30m

$1,053

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Osaka Kansai Intl Airport to State of Washington

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

Prices

Airlines

Can stopping save me money on Osaka Kansai Intl Airport to State of Washington flights?

You could potentially save up to 10% on your flight if you consider stops on a Osaka Kansai Intl Airport to State of Washington flight.

Cheap Osaka Kansai Intl Airport to State of Washington flight deals and tips

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

Best Price Found	$472
Fastest flight time	17h 00m
Direct flights	None

The best one-way flight to State of Washington from Osaka Kansai Intl Airport in the past 72 hours is $472. The best round-trip flight deal from Osaka Kansai Intl Airport to State of Washington found on momondo in the last 72 hours is $849.

The fastest flight from Osaka Kansai Intl Airport to State of Washington takes 17h 00m

There are no direct flights from Osaka Kansai Intl Airport to State of Washington. There are no popular flight routes from Osaka Kansai Intl Airport to State of Washington.

Search flight deals

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

When did momondo last update prices for flights from Osaka Kansai Intl Airport to Washington?
Prices for flights from Osaka Kansai Intl Airport to Washington refresh daily.
How many operators does momondo search for flights from Osaka Kansai Intl Airport to Washington?
As of November 2026, there is 1 operator available to choose from for flights from Osaka Kansai Intl Airport to Washington.
How old do you have to be to fly from Osaka Kansai Intl Airport to Washington?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Osaka Kansai Intl Airport to Washington.
What documentation or ID do you need to fly to Washington?
The travel and health documents required for your trip to Washington 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 Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Osaka Kansai Intl Airport to State of Washington

Compare and see reviews for airlines that fly from Osaka Kansai Intl Airport to State of Washington with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom $794	Free Cancellation	Rating 7.1 11,847 reviews		Search Air Canada flights

Why use momondo?

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

It is quick and easy to find Osaka to Washington flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington that suits you.

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

All flight searches from Osaka to Washington on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Osaka and Washington by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Osaka to Washington 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.