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 13h 20m and 22h 15m, respectively.

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

Asiana Airlines, Korean Air, and Delta are the most popular carriers operating from Washington to Osaka Kansai Intl

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 68% 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.

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 March 2026, there are 9 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.

$378 Cheap Flights from State of Washington to Osaka Kansai Intl Airport in 2026

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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.

8:15 pm - 10:40 pm

PDX

KIX

34h 25m

2 stops

12:35 pm - 2:48 pm

KIX

PDX

18h 13m

2 stops

$761Delta

Tue, Apr 21 - Wed, May 13

12:50 pm - 10:40 pm

SEA

KIX

17h 50m

1 stop

2:15 am - 10:40 am

KIX

SEA

24h 25m

1 stop

$775Delta

Tue, Apr 21 - Tue, May 12

7:00 am - 10:40 pm

SEA

KIX

23h 40m

2 stops

2:15 am - 10:40 am

KIX

SEA

24h 25m

1 stop

$780Delta

Tue, Apr 21 - Tue, May 12

12:55 am - 6:30 pm

SEA

KIX

25h 35m

1 stop

9:30 am - 2:55 pm

KIX

SEA

21h 25m

1 stop

$794Asiana Airlines

Tue, Apr 7 - Tue, Jun 9

7:05 am - 9:00 pm

PDX

KIX

21h 55m

2 stops

5:45 pm - 9:35 pm

KIX

PDX

19h 50m

1 stop

$821Japan Airlines

Tue, Apr 21 - Wed, May 13

12:55 am - 10:30 pm

SEA

KIX

29h 35m

1 stop

7:45 pm - 2:55 pm

KIX

SEA

35h 10m

1 stop

$822Asiana Airlines

Thu, Apr 30 - Mon, Jun 1

7:05 am - 8:35 am

PDX

KIX

33h 30m

2 stops

5:45 pm - 9:35 pm

KIX

PDX

19h 50m

1 stop

$822Japan Airlines

Tue, Apr 21 - Wed, May 13

7:05 am - 10:00 pm

PDX

KIX

22h 55m

2 stops

5:45 pm - 4:38 pm

KIX

PDX

14h 53m

1 stop

$826Multiple Airlines

Tue, Apr 21 - Wed, May 13

6:00 am - 6:45 pm

PDX

KIX

20h 45m

1 stop

5:45 pm - 9:35 pm

KIX

PDX

19h 50m

1 stop

$830American Airlines

Sun, Apr 19 - Tue, May 5

4:19 pm - 12:50 pm

PSC

KIX

28h 31m

2 stops

7:05 pm - 12:44 pm

KIX

PSC

33h 39m

2 stops

$1,190Multiple Airlines

Mon, May 4 - Mon, May 11

Delta flights from State of Washington to Osaka Kansai Intl Airport

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

Delta

Apr 21

PDX10:42 amPortland

19h 58m

2 stops

KIX10:40 pmOsaka Kansai Intl

May 12

KIX2:15 amOsaka Kansai Intl

33h 08m

2 stops

PDX7:23 pmPortland

$761

Delta

Apr 21

SEA12:50 pmSeattle/Tacoma Intl

17h 50m

1 stop

KIX10:40 pmOsaka Kansai Intl

May 12

KIX2:15 amOsaka Kansai Intl

24h 25m

1 stop

SEA10:40 amSeattle/Tacoma Intl

$775

Delta

Apr 21

SEA7:00 amSeattle/Tacoma Intl

23h 40m

2 stops

KIX10:40 pmOsaka Kansai Intl

May 12

KIX2:15 amOsaka Kansai Intl

24h 25m

1 stop

SEA10:40 amSeattle/Tacoma Intl

$780

ANA flights from State of Washington to Osaka Kansai Intl Airport

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

ANA

Apr 21

PDX5:30 amPortland

17h 20m

1 stop

KIX2:50 pmOsaka Kansai Intl

May 13

KIX4:55 pmOsaka Kansai Intl

15h 38m

1 stop

PDX4:33 pmPortland

$831

ANA

Aug 9

PDX7:00 amPortland

15h 50m

1 stop

KIX2:50 pmOsaka Kansai Intl

Aug 26

KIX4:55 pmOsaka Kansai Intl

13h 52m

1 stop

PDX2:47 pmPortland

$851

ANA

Sep 1

PDX6:54 amPortland

15h 56m

1 stop

KIX2:50 pmOsaka Kansai Intl

Sep 16

KIX4:55 pmOsaka Kansai Intl

13h 52m

1 stop

PDX2:47 pmPortland

$854

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

PortlandOsaka

PDX - KIX

PDXKIX

Portland

Tue 4/21

8:15 pm-10:40 pm

2 stops34h 25m

Osaka Kansai Intl

Wed 5/13

12:35 pm-2:48 pm

2 stops18h 13m

$761

SeattleOsaka

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

Tue 4/21

12:50 pm-10:40 pm

1 stop17h 50m

Osaka Kansai Intl

Tue 5/12

2:15 am-10:40 am

1 stop24h 25m

$775

SeattleOsaka

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

Tue 4/21

7:00 am-10:40 pm

2 stops23h 40m

Osaka Kansai Intl

Tue 5/12

2:15 am-10:40 am

1 stop24h 25m

$780

SeattleOsaka

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

Tue 4/7

12:55 am-6:30 pm

1 stop25h 35m

Osaka Kansai Intl

Tue 6/9

9:30 am-2:55 pm

1 stop21h 25m

$794

PortlandOsaka

PDX - KIX

PDXKIX

Portland

Tue 4/21

7:05 am-9:00 pm

2 stops21h 55m

Osaka Kansai Intl

Wed 5/13

5:45 pm-9:35 pm

1 stop19h 50m

$821

SeattleOsaka

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

Thu 4/30

12:55 am-10:30 pm

1 stop29h 35m

Osaka Kansai Intl

Mon 6/1

7:45 pm-2:55 pm

1 stop35h 10m

$822

PortlandOsaka

PDX - KIX

PDXKIX

Portland

Tue 4/21

7:05 am-8:35 am

2 stops33h 30m

Osaka Kansai Intl

Wed 5/13

5:45 pm-9:35 pm

1 stop19h 50m

$822

Quickest round-trip

PortlandOsaka

PDX - KIX

PDXKIX

Portland

Tue 4/21

7:05 am-10:00 pm

2 stops22h 55m

Osaka Kansai Intl

Wed 5/13

5:45 pm-4:38 pm

1 stop14h 53m

$826

PortlandOsaka

PDX - KIX

PDXKIX

Portland

Sun 4/19

6:00 am-6:45 pm

1 stop20h 45m

Osaka Kansai Intl

Tue 5/5

5:45 pm-9:35 pm

1 stop19h 50m

$830

PascoOsaka

PSC - KIX

PSCKIX

Pasco Tri Cities

Mon 5/4

4:19 pm-12:50 pm

2 stops28h 31m

Osaka Kansai Intl

Mon 5/11

7:05 pm-12:44 pm

2 stops33h 39m

$1,190

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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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 $733. 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 $842 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 $666 on momondo.

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

You could potentially save up to 1% 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

Fastest flight time	13h 20m
Direct flights	None

The fastest flight from State of Washington to Osaka Kansai Intl Airport takes 13h 20m

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 March 2026, there are 9 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 12,112 reviews	Search Alaska Airlines flights
Asiana Airlines	PriceFrom $595	Free Cancellation	Rating 8.1 506 reviews	Search Asiana Airlines flights
ANA	PriceFrom $649	Free Cancellation	Rating 8.4 1,142 reviews	Search ANA flights
Korean Air	PriceFrom $660	Free Cancellation	Rating 8.4 1,202 reviews	Search Korean Air flights
Air Canada	PriceFrom $669	Free Cancellation	Rating 7.1 10,841 reviews	Search Air Canada flights
United Airlines	PriceFrom $794	Free Cancellation	Rating 7.4 9,482 reviews	Search United Airlines flights
STARLUX Airlines	PriceFrom $934	Free Cancellation	Rating 9.0 292 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 $378

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 4/20. 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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Delta flights from State of Washington to Osaka Kansai Intl Airport

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

ANA flights from State of Washington to Osaka Kansai Intl Airport

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

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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?

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

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

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Direct flights

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

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