What airlines fly to Osaka Kansai Intl Airport?

ANA, Asiana Airlines and Air Canada 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 67% of people opting to fly with this airline when traveling to Osaka Kansai Intl Airport. Keep in mind that there are 7 different airlines that fly to Osaka Kansai Intl Airport on a routine basis, so you have a few additional options to choose from.

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

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

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 40m and 17h 23m, respectively.

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 February 2026, there are 8 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.

$313 Cheap Flights from State of Washington to Osaka Kansai Intl Airport in 2026

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Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

12:55 am - 9:00 am

SEA

KIX

16h 05m

1 stop

7:45 pm - 2:55 pm

KIX

SEA

35h 10m

1 stop

$615Asiana Airlines

Mon, Apr 20 - Wed, May 13

12:55 am - 6:30 pm

SEA

KIX

25h 35m

1 stop

7:45 pm - 2:55 pm

KIX

SEA

35h 10m

1 stop

$616Asiana Airlines

Sun, Apr 12 - Wed, Apr 22

12:55 am - 6:30 pm

SEA

KIX

25h 35m

1 stop

10:40 am - 2:55 pm

KIX

SEA

20h 15m

1 stop

$619Asiana Airlines

Sun, Apr 12 - Mon, Apr 27

11:00 am - 5:00 pm

SEA

KIX

37h 00m

1 stop

9:00 am - 10:00 am

KIX

SEA

17h 00m

1 stop

$627Korean Air

Mon, Mar 2 - Mon, Mar 9

7:05 pm - 5:40 pm

PDX

KIX

29h 35m

1 stop

7:25 pm - 6:30 pm

KIX

PDX

15h 05m

1 stop

$674Air Canada

Sun, Mar 1 - Thu, Mar 12

9:50 am - 4:25 pm

PDX

KIX

14h 35m

1 stop

6:00 pm - 2:45 pm

KIX

PDX

12h 45m

1 stop

$675Air Canada

Mon, Apr 27 - Thu, May 7

7:15 am - 2:50 pm

PDX

KIX

15h 35m

1 stop

7:00 am - 3:03 pm

KIX

PDX

24h 03m

2 stops

$680ANA

Mon, Apr 27 - Thu, May 7

7:15 am - 9:50 pm

PDX

KIX

22h 35m

2 stops

7:00 am - 3:03 pm

KIX

PDX

24h 03m

2 stops

$681ANA

Mon, Apr 27 - Thu, May 7

7:05 am - 10:00 pm

PDX

KIX

22h 55m

2 stops

6:45 am - 1:50 pm

KIX

PDX

23h 05m

2 stops

$700Japan Airlines

Tue, Apr 21 - Wed, May 13

7:05 am - 10:00 pm

PDX

KIX

22h 55m

2 stops

6:45 am - 1:50 pm

KIX

PDX

23h 05m

2 stops

$703Japan Airlines

Tue, Apr 21 - Wed, May 13

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

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

Japan Airlines

Apr 21

PDX7:05 amPortland

22h 55m

2 stops

KIX10:00 pmOsaka Kansai Intl

May 13

KIX6:45 amOsaka Kansai Intl

23h 05m

2 stops

PDX1:50 pmPortland

$703

Japan Airlines

Apr 21

SEA1:15 pmSeattle/Tacoma Intl

28h 00m

1 stop

KIX9:15 amOsaka Kansai Intl

May 13

KIX6:45 amOsaka Kansai Intl

23h 42m

2 stops

SEA2:27 pmSeattle/Tacoma Intl

$704

Japan Airlines

Feb 9

PDX6:01 amPortland

19h 49m

1 stop

KIX6:50 pmOsaka Kansai Intl

Mar 8

KIX5:50 pmOsaka Kansai Intl

15h 18m

1 stop

PDX4:08 pmPortland

$795

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

Apr 6

SEA11:45 amSeattle/Tacoma Intl

41h 30m

1 stop

KIX9:15 pmOsaka Kansai Intl

May 6

KIX9:05 amOsaka Kansai Intl

17h 00m

1 stop

SEA10:05 amSeattle/Tacoma Intl

$705

Cathay Pacific

Feb 22

SEA5:55 pmSeattle/Tacoma Intl

43h 25m

2 stops

KIX6:20 amOsaka Kansai Intl

Mar 5

KIX9:25 amOsaka Kansai Intl

29h 23m

2 stops

SEA9:48 pmSeattle/Tacoma Intl

$939

Cathay Pacific

Feb 19

PDX7:05 amPortland

30h 15m

2 stops

KIX6:20 amOsaka Kansai Intl

Mar 7

KIX4:15 pmOsaka Kansai Intl

43h 00m

3 stops

PDX6:15 pmPortland

$1,221

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

SeattleOsaka

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

Mon 4/20

12:55 am-9:00 am

1 stop16h 05m

Osaka Kansai Intl

Wed 5/13

7:45 pm-2:55 pm

1 stop35h 10m

$615

SeattleOsaka

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

Sun 4/12

12:55 am-6:30 pm

1 stop25h 35m

Osaka Kansai Intl

Wed 4/22

7:45 pm-2:55 pm

1 stop35h 10m

$616

SeattleOsaka

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

Sun 4/12

12:55 am-6:30 pm

1 stop25h 35m

Osaka Kansai Intl

Mon 4/27

10:40 am-2:55 pm

1 stop20h 15m

$619

SeattleOsaka

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

Mon 3/2

11:00 am-5:00 pm

1 stop37h 00m

Osaka Kansai Intl

Mon 3/9

9:00 am-10:00 am

1 stop17h 00m

$627

PortlandOsaka

PDX - KIX

PDXKIX

Portland

Sun 3/1

7:05 pm-5:40 pm

1 stop29h 35m

Osaka Kansai Intl

Thu 3/12

7:25 pm-6:30 pm

1 stop15h 05m

$674

PortlandOsaka

PDX - KIX

PDXKIX

Portland

Mon 4/27

9:50 am-4:25 pm

1 stop14h 35m

Osaka Kansai Intl

Thu 5/7

6:00 pm-2:45 pm

1 stop12h 45m

$675

PortlandOsaka

PDX - KIX

PDXKIX

Portland

Mon 4/27

7:15 am-2:50 pm

1 stop15h 35m

Osaka Kansai Intl

Thu 5/7

7:00 am-3:03 pm

2 stops24h 03m

$680

PortlandOsaka

PDX - KIX

PDXKIX

Portland

Mon 4/27

7:15 am-9:50 pm

2 stops22h 35m

Osaka Kansai Intl

Thu 5/7

7:00 am-3:03 pm

2 stops24h 03m

$681

PortlandOsaka

PDX - KIX

PDXKIX

Portland

Tue 4/21

7:05 am-10:00 pm

2 stops22h 55m

Osaka Kansai Intl

Wed 5/13

6:45 am-1:50 pm

2 stops23h 05m

$700

PortlandOsaka

PDX - KIX

PDXKIX

Portland

Tue 4/21

7:05 am-10:00 pm

2 stops22h 55m

Osaka Kansai Intl

Wed 5/13

6:45 am-1:50 pm

2 stops23h 05m

$703

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

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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 $716. 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 November instead. Flights to Osaka Kansai Intl Airport in November, while not as cheap as those in February, still average around $745.

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

You are more likely to see cheaper flights to Osaka Kansai Intl Airport from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Osaka Kansai Intl Airport for around $865 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Osaka Kansai Intl Airport from State of Washington for as low as $697 on momondo.

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

Fastest flight time	15h 40m
Direct flights	None

The fastest flight from State of Washington to Osaka Kansai Intl Airport takes 15h 40m

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

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 February 2026, there are 8 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 8.0 11,855 reviews	Search Alaska Airlines flights
Asiana Airlines	PriceFrom $592	Free Cancellation	Rating 8.1 505 reviews	Search Asiana Airlines flights
United Airlines	PriceFrom $647	Free Cancellation	Rating 7.4 9,257 reviews	Search United Airlines flights
ANA	PriceFrom $648	Free Cancellation	Rating 8.4 1,089 reviews	Search ANA flights
Korean Air	PriceFrom $660	Free Cancellation	Rating 8.4 1,189 reviews	Search Korean Air flights
Air Canada	PriceFrom $669	Free Cancellation	Rating 7.1 10,698 reviews	Search Air Canada flights
STARLUX Airlines	PriceFrom $934	Free Cancellation	Rating 8.9 271 reviews	Search STARLUX Airlines flights

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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.

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Cheap flights from Washington to Osaka from $313

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 4/7. 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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Japan Airlines flights from State of Washington to Osaka Kansai Intl Airport

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

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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?

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

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

Philippine Airlines, Asiana Airlines, and ANA are the most popular carriers operating 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?

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 40m and 17h 23m, respectively.

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

Fastest flight time

Direct flights

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

How many operators does momondo search 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?

What documentation or ID do you need to fly 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?

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

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

How can momondo help me find flights 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?

An easier way to manage your Osaka Kansai Intl Airport trip

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

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