What airlines fly to Osaka Kansai Intl Airport?

ANA, Air Canada and Asiana Airlines are the top three most popular airlines that fly to Osaka Kansai Intl Airport from State of Washington according to our data. ANA is the first choice among our users, with 70% of people opting to fly with this airline when traveling to Osaka Kansai Intl Airport. Keep in mind that there are 4 different airlines that fly to Osaka Kansai Intl Airport on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Osaka Kansai Intl Airport?

If you’re flying from a popular airport in State of Washington, such as Seattle or Pasco, and flying into Osaka Kansai Intl Airport, then you can expect flight times to average 15h 25m and 22h 35m, respectively.

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

Cathay Pacific, China Airlines, and United Airlines are the most popular carriers operating from Washington to Osaka Kansai Intl

When did momondo last update prices for flights from Washington to Osaka Kansai Intl Airport?

Prices for flights from Washington to Osaka Kansai Intl Airport were last updated today.

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

As of September 2026, there are 4 operators available to choose from for flights from Washington to Osaka Kansai Intl Airport.

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

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 Washington to Osaka Kansai Intl Airport.

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

The required travel and health documents for your Osaka Kansai Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Osaka Kansai Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$421 Cheap Flights from State of Washington to Osaka Kansai Intl Airport in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington to Osaka

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:25 am - 12:45 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

33h 20m1 stop Hong Kong Intl

6:05 pm - 9:45 amKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

31h 40m1 stop Hong Kong Intl

$852Cathay Pacific

Tue, Mar 9 - Mon, Mar 15

11:45 am - 6:05 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

38h 20m1 stop Hong Kong Intl

9:50 am - 9:45 amKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

39h 55m1 stop Hong Kong Intl

$854Cathay Pacific

Tue, Oct 13 - Tue, Oct 27

8:40 am - 5:40 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

16h 00m1 stop Vancouver Intl

7:25 pm - 2:37 pmKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

12h 12m1 stop Vancouver Intl

$924Air Canada

Tue, Feb 16 - Thu, Feb 25

7:05 pm - 5:40 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

29h 35m1 stop Vancouver Intl

7:25 pm - 9:57 pmKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

19h 32m1 stop Vancouver Intl

$924Air Canada

Sat, Feb 6 - Wed, Feb 17

12:10 am - 11:35 amSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

18h 25m1 stop Taipei City Taiwan Taoyuan Intl

7:00 pm - 6:10 pmKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

16h 10m1 stop Taipei City Taiwan Taoyuan Intl

$955China Airlines

Sun, Feb 28 - Sat, Mar 13

12:10 am - 1:20 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

20h 10m1 stop Taipei City Taiwan Taoyuan Intl

2:30 pm - 6:10 pmKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

20h 40m1 stop Taipei City Taiwan Taoyuan Intl

$956China Airlines

Tue, Nov 3 - Mon, Nov 9

7:11 am - 2:50 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

15h 39m1 stop San Francisco

9:45 am - 1:20 pmKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

20h 35m1 stop Tokyo Haneda

$1,007ANA

Tue, Oct 20 - Fri, Nov 6

3:40 pm - 10:20 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

13h 40m1 stop Tokyo Haneda

3:20 pm - 1:20 pmKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

15h 00m1 stop Tokyo Haneda

$1,009ANA

Tue, Nov 17 - Wed, Nov 25

7:35 pm - 7:00 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

31h 25m2 stops San Francisco Incheon Intl

8:50 am - 8:47 pmKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

27h 57m2 stops Incheon Intl San Francisco

$2,323Asiana Airlines

Wed, Oct 28 - Sat, Oct 31

5:23 pm - 9:15 amSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

23h 52m2 stops San Francisco Incheon Intl

10:30 am - 8:47 pmKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

26h 17m2 stops Incheon Intl San Francisco

$2,332Asiana Airlines

Mon, Oct 26 - Sat, Oct 31

Cheap last minute flights

Enter your travel dates to find the best prices.

11:45 am - 2:50 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

35h 05m2 stops Hong Kong Intl Taipei City Taiwan Taoyuan Intl

9:05 am - 10:05 amKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

17h 00m1 stop Hong Kong Intl

$887Cathay Pacific

Wed, Sep 30 - Thu, Oct 8

11:45 am - 2:50 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

59h 05m2 stops Hong Kong Intl Taipei City Taiwan Taoyuan Intl

9:05 am - 10:05 amKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

17h 00m1 stop Hong Kong Intl

$925Cathay Pacific

Wed, Sep 30 - Thu, Oct 8

11:45 am - 2:50 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

35h 05m2 stops Hong Kong Intl Taipei City Taiwan Taoyuan Intl

9:05 am - 10:05 amKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

17h 00m1 stop Hong Kong Intl

$926Cathay Pacific

Wed, Sep 30 - Thu, Oct 8

11:45 am - 2:50 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

35h 05m2 stops Hong Kong Intl Taipei City Taiwan Taoyuan Intl

9:05 am - 4:26 pmKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

23h 21m2 stops Hong Kong Intl Vancouver Intl

$963Cathay Pacific

Wed, Sep 30 - Thu, Oct 8

11:45 am - 2:50 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

59h 05m2 stops Hong Kong Intl Taipei City Taiwan Taoyuan Intl

9:05 am - 10:05 amKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

17h 00m1 stop Hong Kong Intl

$964Cathay Pacific

Thu, Oct 1 - Thu, Oct 8

11:45 am - 2:50 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

59h 05m2 stops Hong Kong Intl Taipei City Taiwan Taoyuan Intl

9:05 am - 10:05 amKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

17h 00m1 stop Hong Kong Intl

$964Cathay Pacific

Wed, Sep 30 - Thu, Oct 8

6:49 am - 3:10 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

40h 21m2 stops Los Angeles Hong Kong Intl

9:05 am - 10:05 amKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

17h 00m1 stop Hong Kong Intl

$967Cathay Pacific

Thu, Oct 1 - Thu, Oct 8

12:50 pm - 5:05 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

36h 15m1 stop Incheon Intl

2:15 am - 10:40 amKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

24h 25m1 stop Incheon Intl

$1,028Korean Air

Wed, Sep 30 - Wed, Oct 7

7:25 pm - 2:50 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

27h 25m1 stop San Francisco

9:00 pm - 2:25 pmKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

33h 25m1 stop Tokyo Haneda

$1,073ANA

Sat, Oct 3 - Sat, Oct 10

4:30 pm - 9:50 pmSEA Seattle/Tacoma Intl-KIX Osaka Kansai Intl

13h 20m1 stop Tokyo Haneda

3:55 pm - 2:25 pmKIX Osaka Kansai Intl-SEA Seattle/Tacoma Intl

14h 30m1 stop Tokyo Haneda

$1,118ANA

Fri, Oct 2 - Sat, Oct 10

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

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

Cathay Pacific

Mar 9

SEA10:25 amSeattle/Tacoma Intl

33h 20m

1 stop

KIX12:45 pmOsaka Kansai Intl

Mar 15

KIX6:05 pmOsaka Kansai Intl

31h 40m

1 stop

SEA9:45 amSeattle/Tacoma Intl

$852

Cathay Pacific

Jan 11

SEA10:25 amSeattle/Tacoma Intl

26h 55m

1 stop

KIX6:20 amOsaka Kansai Intl

Feb 22

KIX9:50 amOsaka Kansai Intl

39h 55m

1 stop

SEA8:45 amSeattle/Tacoma Intl

$854

Cathay Pacific

Oct 19

SEA11:45 amSeattle/Tacoma Intl

26h 55m

1 stop

KIX6:40 amOsaka Kansai Intl

Oct 26

KIX7:05 pmOsaka Kansai Intl

30h 40m

1 stop

SEA9:45 amSeattle/Tacoma Intl

$859

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

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

United Airlines

Nov 12

GEG7:00 amSpokane

16h 45m

1 stop

KIX4:45 pmOsaka Kansai Intl

Nov 19

KIX6:35 pmOsaka Kansai Intl

19h 22m

1 stop

GEG8:57 pmSpokane

$917

United Airlines

Nov 12

GEG7:00 amSpokane

16h 45m

1 stop

KIX4:45 pmOsaka Kansai Intl

Nov 19

KIX3:20 pmOsaka Kansai Intl

22h 37m

2 stops

GEG8:57 pmSpokane

$921

United Airlines

Oct 24

GEG4:08 pmSpokane

32h 37m

2 stops

KIX4:45 pmOsaka Kansai Intl

Nov 1

KIX3:20 pmOsaka Kansai Intl

22h 37m

2 stops

GEG9:57 pmSpokane

$926

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleOsaka

SEA Seattle/Tacoma Intl - KIX Osaka Kansai Intl

SEAKIX

Seattle/Tacoma Intl

Tue 3/9

10:25 am-12:45 pm

1 stop33h 20m

Osaka Kansai Intl

Mon 3/15

6:05 pm-9:45 am

1 stop31h 40m

$852

SeattleOsaka

SEA Seattle/Tacoma Intl - KIX Osaka Kansai Intl

SEAKIX

Seattle/Tacoma Intl

Tue 10/13

11:45 am-6:05 pm

1 stop38h 20m

Osaka Kansai Intl

Tue 10/27

9:50 am-9:45 am

1 stop39h 55m

$854

Quickest round-trip

SeattleOsaka

SEA Seattle/Tacoma Intl - KIX Osaka Kansai Intl

SEAKIX

Seattle/Tacoma Intl

Tue 2/16

8:40 am-5:40 pm

1 stop16h 00m

Osaka Kansai Intl

Thu 2/25

7:25 pm-2:37 pm

1 stop12h 12m

$924

SeattleOsaka

SEA Seattle/Tacoma Intl - KIX Osaka Kansai Intl

SEAKIX

Seattle/Tacoma Intl

Sat 2/6

7:05 pm-5:40 pm

1 stop29h 35m

Osaka Kansai Intl

Wed 2/17

7:25 pm-9:57 pm

1 stop19h 32m

$924

SeattleOsaka

SEA Seattle/Tacoma Intl - KIX Osaka Kansai Intl

SEAKIX

Seattle/Tacoma Intl

Sun 2/28

12:10 am-11:35 am

1 stop18h 25m

Osaka Kansai Intl

Sat 3/13

7:00 pm-6:10 pm

1 stop16h 10m

$955

SeattleOsaka

SEA Seattle/Tacoma Intl - KIX Osaka Kansai Intl

SEAKIX

Seattle/Tacoma Intl

Tue 11/3

12:10 am-1:20 pm

1 stop20h 10m

Osaka Kansai Intl

Mon 11/9

2:30 pm-6:10 pm

1 stop20h 40m

$956

SeattleOsaka

SEA Seattle/Tacoma Intl - KIX Osaka Kansai Intl

SEAKIX

Seattle/Tacoma Intl

Tue 10/20

7:11 am-2:50 pm

1 stop15h 39m

Osaka Kansai Intl

Fri 11/6

9:45 am-1:20 pm

1 stop20h 35m

$1,007

SeattleOsaka

SEA Seattle/Tacoma Intl - KIX Osaka Kansai Intl

SEAKIX

Seattle/Tacoma Intl

Tue 11/17

3:40 pm-10:20 pm

1 stop13h 40m

Osaka Kansai Intl

Wed 11/25

3:20 pm-1:20 pm

1 stop15h 00m

$1,009

SeattleOsaka

SEA Seattle/Tacoma Intl - KIX Osaka Kansai Intl

SEAKIX

Seattle/Tacoma Intl

Wed 10/28

7:35 pm-7:00 pm

2 stops31h 25m

Osaka Kansai Intl

Sat 10/31

8:50 am-8:47 pm

2 stops27h 57m

$2,323

SeattleOsaka

SEA Seattle/Tacoma Intl - KIX Osaka Kansai Intl

SEAKIX

Seattle/Tacoma Intl

Mon 10/26

5:23 pm-9:15 am

2 stops23h 52m

Osaka Kansai Intl

Sat 10/31

10:30 am-8:47 pm

2 stops26h 17m

$2,332

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 State of Washington 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

Prices

Airlines

Other information

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

In general, February is the cheapest month to fly from State of Washington to Osaka Kansai Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $671. If you aren’t able to travel during the month of February, then book flights to Osaka Kansai Intl Airport from State of Washington during January instead. Flights to Osaka Kansai Intl Airport in January, while not as cheap as those in February, still average around $751.

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

You could potentially save up to 19% on your flight if you consider stops on a State of Washington to Osaka Kansai Intl Airport flight.

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

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

Best Price Found	$421
Fastest flight time	15h 25m
Direct flights	None

The best one-way flight to Osaka Kansai Intl Airport from State of Washington in the past 72 hours is $421. The best round-trip flight deal from State of Washington to Osaka Kansai Intl Airport found on momondo in the last 72 hours is $852.

The fastest flight from State of Washington to Osaka Kansai Intl Airport takes 15h 25m

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

Search flight deals

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

When did momondo last update prices for flights from Washington to Osaka Kansai Intl Airport?
Prices for flights from Washington to Osaka Kansai Intl Airport were last updated today.
How many operators does momondo search for flights from Washington to Osaka Kansai Intl Airport?
As of September 2026, there are 4 operators available to choose from for flights from Washington to Osaka Kansai Intl Airport.
How old do you have to be to fly from Washington to Osaka Kansai Intl Airport?
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 Washington to Osaka Kansai Intl Airport.
What documentation or ID do you need to fly to Osaka Kansai Intl Airport?
The required travel and health documents for your Osaka Kansai Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Osaka Kansai Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

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

Airline	Rating	Free Cancellation	Price
Alaska Airlines	PriceFrom $370	Free Cancellation	Rating 7.9 12,985 reviews	Search Alaska Airlines flights
Asiana Airlines	PriceFrom $565	Free Cancellation	Rating 8.1 563 reviews	Search Asiana Airlines flights
ANA	PriceFrom $649	Free Cancellation	Rating 8.3 1,319 reviews	Search ANA flights
Air Canada	PriceFrom $675	Free Cancellation	Rating 7.1 11,699 reviews	Search Air Canada flights

Nara

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Himeji

Nishinomiya

Why use momondo?

Why should I use momondo to find a flight deal from Washington 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 Washington to Osaka for you.

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

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

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

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 Washington to Osaka.

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

If you are simply researching potential flights to Osaka, momondo offers a useful price alert feature which will track prices for flights to Osaka from Washington and alert you when they change.

An easier way to manage your Osaka Kansai Intl Airport trip

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Flights to Tokyo Haneda Airportfrom $226

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Cheap flights from Washington to Osaka from $421

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Osaka departing on 1/16. 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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Cathay Pacific flights from State of Washington to Osaka Kansai Intl Airport

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

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

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

momondo Fare Finder

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

See travel insights to Osaka from

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

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

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

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

What airlines fly to Osaka Kansai Intl Airport?

How long does it take to fly to Osaka Kansai Intl Airport?

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

Best Price Found

Fastest flight time

Direct flights

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

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

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

Traveling to a place near Osaka?

Why use momondo?

An easier way to manage your Osaka Kansai Intl Airport 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.

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Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Osaka

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According to popular flight searches on momondo this year

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Fly your favorite airline to Osaka

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List of cabin classes available on flights landing in Osaka. Availability may vary depending on flight origin and airline.

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