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

ANA and United Airlines are the most popular carriers operating from Washington to Osaka Itami

How long does it take to fly to Osaka Itami Airport?

Flight times from State of Washington to Osaka Itami Airport vary, but if you’re flying out of Seattle and flying into Osaka Kansai Intl Airport (one of the most popular routes), then the duration is 15h 25m on average. Another popular route from State of Washington to Osaka Itami Airport is flying from Pasco to Osaka Kansai Intl Airport, which will take roughly 33h 15m. Keep in mind that layovers or delays could extend your travel time.

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

Prices for flights from Washington to Osaka Itami Airport are updated daily.

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

As of September 2026, there are 2 operators available to choose from for flights from Washington to Osaka Itami Airport.

How old do you have to be to fly from Washington to Osaka Itami 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 Washington to Osaka Itami Airport.

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

The travel and health documents you'll need for your trip to Osaka Itami Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Osaka Itami Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$463 Cheap Flights from State of Washington to Osaka Itami Airport in 2026/27

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.

3:40 pm - 4:10 pmSEA Seattle/Tacoma Intl-ITM Osaka Itami

31h 30m1 stop Tokyo Haneda

5:50 pm - 1:20 pmITM Osaka Itami-SEA Seattle/Tacoma Intl

12h 30m1 stop Tokyo Haneda

$886ANA

Wed, Nov 25 - Wed, Dec 2

6:57 am - 6:10 pmSEA Seattle/Tacoma Intl-ITM Osaka Itami

18h 13m2 stops San Francisco Tokyo Haneda

1:00 pm - 1:20 pmITM Osaka Itami-SEA Seattle/Tacoma Intl

17h 20m1 stop Tokyo Haneda

$909ANA

Mon, Jan 18 - Tue, Jan 26

12:15 pm - 7:55 pmSEA Seattle/Tacoma Intl-ITM Osaka Itami

14h 40m1 stop Tokyo Narita

2:40 pm - 2:41 pmITM Osaka Itami-SEA Seattle/Tacoma Intl

17h 01m2 stops Tokyo Narita Vancouver Intl

$970Japan Airlines

Mon, Jan 11 - Thu, Feb 11

10:03 am - 7:55 pmSEA Seattle/Tacoma Intl-ITM Osaka Itami

16h 52m2 stops Vancouver Intl Tokyo Narita

2:40 pm - 9:55 amITM Osaka Itami-SEA Seattle/Tacoma Intl

12h 15m1 stop Tokyo Narita

$970Japan Airlines

Tue, Nov 17 - Wed, Nov 25

12:15 pm - 7:55 pmSEA Seattle/Tacoma Intl-ITM Osaka Itami

14h 40m1 stop Tokyo Narita

2:40 pm - 10:05 amITM Osaka Itami-SEA Seattle/Tacoma Intl

12h 25m1 stop Tokyo Narita

$974Japan Airlines

Mon, Jan 18 - Tue, Jan 26

3:40 pm - 3:10 pmSEA Seattle/Tacoma Intl-ITM Osaka Itami

30h 30m1 stop Tokyo Haneda

5:50 pm - 1:20 pmITM Osaka Itami-SEA Seattle/Tacoma Intl

12h 30m1 stop Tokyo Haneda

$1,005ANA

Wed, Nov 4 - Fri, Nov 13

4:30 pm - 10:05 amSEA Seattle/Tacoma Intl-ITM Osaka Itami

25h 35m1 stop Tokyo Haneda

9:00 am - 2:20 pmITM Osaka Itami-SEA Seattle/Tacoma Intl

21h 20m1 stop Tokyo Haneda

$1,005ANA

Wed, Oct 21 - Wed, Oct 28

12:15 pm - 7:55 pmSEA Seattle/Tacoma Intl-ITM Osaka Itami

14h 40m1 stop Tokyo Narita

2:40 pm - 10:05 amITM Osaka Itami-SEA Seattle/Tacoma Intl

12h 25m1 stop Tokyo Narita

$1,017American Airlines

Tue, Jan 26 - Wed, Feb 10

4:40 pm - 6:10 pmSEA Seattle/Tacoma Intl-ITM Osaka Itami

33h 30m1 stop Tokyo Haneda

2:30 pm - 1:20 pmITM Osaka Itami-SEA Seattle/Tacoma Intl

15h 50m1 stop Tokyo Haneda

$1,019United Airlines

Wed, Oct 28 - Thu, Nov 5

3:45 pm - 6:10 pmSEA Seattle/Tacoma Intl-ITM Osaka Itami

33h 25m1 stop Tokyo Haneda

2:30 pm - 1:20 pmITM Osaka Itami-SEA Seattle/Tacoma Intl

15h 50m1 stop Tokyo Haneda

$1,019United Airlines

Wed, Jan 20 - Thu, Jan 28

Cheap last minute flights

Enter your travel dates to find the best prices.

4:30 pm - 7:25 amSEA Seattle/Tacoma Intl-ITM Osaka Itami

22h 55m1 stop Tokyo Haneda

2:00 pm - 1:20 pmITM Osaka Itami-SEA Seattle/Tacoma Intl

16h 20m1 stop Tokyo Narita

$1,144ANA

Mon, Sep 28 - Tue, Nov 3

4:30 pm - 7:25 amSEA Seattle/Tacoma Intl-ITM Osaka Itami

22h 55m1 stop Tokyo Haneda

2:00 pm - 1:20 pmITM Osaka Itami-SEA Seattle/Tacoma Intl

16h 20m1 stop Tokyo Narita

$1,144ANA

Mon, Sep 28 - Wed, Nov 4

4:30 pm - 6:55 pmSEA Seattle/Tacoma Intl-ITM Osaka Itami

34h 25m1 stop Tokyo Haneda

11:00 am - 1:20 pmITM Osaka Itami-SEA Seattle/Tacoma Intl

19h 20m1 stop Tokyo Haneda

$1,166ANA

Mon, Sep 28 - Fri, Nov 6

4:30 pm - 6:55 pmSEA Seattle/Tacoma Intl-ITM Osaka Itami

34h 25m1 stop Tokyo Haneda

8:20 pm - 1:20 pmITM Osaka Itami-SEA Seattle/Tacoma Intl

34h 00m1 stop Tokyo Haneda

$1,166ANA

Mon, Sep 28 - Mon, Nov 2

1:20 pm - 7:50 pmSEA Seattle/Tacoma Intl-ITM Osaka Itami

14h 30m1 stop Tokyo Narita

11:30 am - 9:15 amITM Osaka Itami-SEA Seattle/Tacoma Intl

14h 45m1 stop Tokyo Haneda

$1,258Multiple Airlines

Wed, Sep 30 - Fri, Nov 6

1:20 pm - 7:50 pmSEA Seattle/Tacoma Intl-ITM Osaka Itami

14h 30m1 stop Tokyo Narita

11:30 am - 9:15 amITM Osaka Itami-SEA Seattle/Tacoma Intl

14h 45m1 stop Tokyo Haneda

$1,258Multiple Airlines

Wed, Sep 30 - Thu, Nov 5

1:20 pm - 7:50 pmSEA Seattle/Tacoma Intl-ITM Osaka Itami

14h 30m1 stop Tokyo Narita

12:30 pm - 9:15 amITM Osaka Itami-SEA Seattle/Tacoma Intl

13h 45m1 stop Tokyo Haneda

$1,258Multiple Airlines

Wed, Sep 30 - Wed, Nov 4

1:15 pm - 7:50 pmSEA Seattle/Tacoma Intl-ITM Osaka Itami

14h 35m1 stop Tokyo Narita

2:40 pm - 9:55 amITM Osaka Itami-SEA Seattle/Tacoma Intl

12h 15m1 stop Tokyo Narita

$1,274Japan Airlines

Tue, Sep 29 - Thu, Nov 5

1:15 pm - 7:50 pmSEA Seattle/Tacoma Intl-ITM Osaka Itami

14h 35m1 stop Tokyo Narita

2:40 pm - 9:55 amITM Osaka Itami-SEA Seattle/Tacoma Intl

12h 15m1 stop Tokyo Narita

$1,274Japan Airlines

Tue, Sep 29 - Fri, Nov 6

1:15 pm - 7:50 pmSEA Seattle/Tacoma Intl-ITM Osaka Itami

14h 35m1 stop Tokyo Narita

2:40 pm - 9:55 amITM Osaka Itami-SEA Seattle/Tacoma Intl

12h 15m1 stop Tokyo Narita

$1,274Japan Airlines

Tue, Sep 29 - Wed, Nov 4

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ANA flights from State of Washington to Osaka Itami Airport

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

ANA

Nov 25

SEA3:40 pmSeattle/Tacoma Intl

31h 30m

1 stop

ITM4:10 pmOsaka Itami

Dec 2

ITM5:50 pmOsaka Itami

12h 30m

1 stop

SEA1:20 pmSeattle/Tacoma Intl

$886

ANA

Jan 18

SEA6:57 amSeattle/Tacoma Intl

18h 13m

2 stops

ITM6:10 pmOsaka Itami

Jan 26

ITM1:00 pmOsaka Itami

17h 20m

1 stop

SEA1:20 pmSeattle/Tacoma Intl

$909

ANA

Oct 21

SEA4:30 pmSeattle/Tacoma Intl

25h 35m

1 stop

ITM10:05 amOsaka Itami

Oct 28

ITM9:00 amOsaka Itami

21h 20m

1 stop

SEA2:20 pmSeattle/Tacoma Intl

$1,005

Japan Airlines flights from State of Washington to Osaka Itami Airport

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

Japan Airlines

Nov 17

SEA10:03 amSeattle/Tacoma Intl

16h 52m

2 stops

ITM7:55 pmOsaka Itami

Nov 25

ITM2:40 pmOsaka Itami

12h 15m

1 stop

SEA9:55 amSeattle/Tacoma Intl

$970

Japan Airlines

Jan 11

SEA12:15 pmSeattle/Tacoma Intl

14h 40m

1 stop

ITM7:55 pmOsaka Itami

Feb 11

ITM2:40 pmOsaka Itami

12h 25m

1 stop

SEA10:05 amSeattle/Tacoma Intl

$974

Japan Airlines

Nov 10

SEA8:54 amSeattle/Tacoma Intl

18h 26m

2 stops

ITM8:20 pmOsaka Itami

Nov 17

ITM11:30 amOsaka Itami

15h 25m

1 stop

SEA9:55 amSeattle/Tacoma Intl

$986

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleOsaka

SEA Seattle/Tacoma Intl - ITM Osaka Itami

SEAITM

Seattle/Tacoma Intl

Wed 11/25

3:40 pm-4:10 pm

1 stop31h 30m

Osaka Itami

Wed 12/2

5:50 pm-1:20 pm

1 stop12h 30m

$886

SeattleOsaka

SEA Seattle/Tacoma Intl - ITM Osaka Itami

SEAITM

Seattle/Tacoma Intl

Mon 1/18

6:57 am-6:10 pm

2 stops18h 13m

Osaka Itami

Tue 1/26

1:00 pm-1:20 pm

1 stop17h 20m

$909

SeattleOsaka

SEA Seattle/Tacoma Intl - ITM Osaka Itami

SEAITM

Seattle/Tacoma Intl

Mon 1/11

12:15 pm-7:55 pm

1 stop14h 40m

Osaka Itami

Thu 2/11

2:40 pm-2:41 pm

2 stops17h 01m

$970

SeattleOsaka

SEA Seattle/Tacoma Intl - ITM Osaka Itami

SEAITM

Seattle/Tacoma Intl

Tue 11/17

10:03 am-7:55 pm

2 stops16h 52m

Osaka Itami

Wed 11/25

2:40 pm-9:55 am

1 stop12h 15m

$970

Quickest round-trip

SeattleOsaka

SEA Seattle/Tacoma Intl - ITM Osaka Itami

SEAITM

Seattle/Tacoma Intl

Mon 1/18

12:15 pm-7:55 pm

1 stop14h 40m

Osaka Itami

Tue 1/26

2:40 pm-10:05 am

1 stop12h 25m

$974

SeattleOsaka

SEA Seattle/Tacoma Intl - ITM Osaka Itami

SEAITM

Seattle/Tacoma Intl

Wed 11/4

3:40 pm-3:10 pm

1 stop30h 30m

Osaka Itami

Fri 11/13

5:50 pm-1:20 pm

1 stop12h 30m

$1,005

SeattleOsaka

SEA Seattle/Tacoma Intl - ITM Osaka Itami

SEAITM

Seattle/Tacoma Intl

Wed 10/21

4:30 pm-10:05 am

1 stop25h 35m

Osaka Itami

Wed 10/28

9:00 am-2:20 pm

1 stop21h 20m

$1,005

SeattleOsaka

SEA Seattle/Tacoma Intl - ITM Osaka Itami

SEAITM

Seattle/Tacoma Intl

Tue 1/26

12:15 pm-7:55 pm

1 stop14h 40m

Osaka Itami

Wed 2/10

2:40 pm-10:05 am

1 stop12h 25m

$1,017

SeattleOsaka

SEA Seattle/Tacoma Intl - ITM Osaka Itami

SEAITM

Seattle/Tacoma Intl

Wed 10/28

4:40 pm-6:10 pm

1 stop33h 30m

Osaka Itami

Thu 11/5

2:30 pm-1:20 pm

1 stop15h 50m

$1,019

SeattleOsaka

SEA Seattle/Tacoma Intl - ITM Osaka Itami

SEAITM

Seattle/Tacoma Intl

Wed 1/20

3:45 pm-6:10 pm

1 stop33h 25m

Osaka Itami

Thu 1/28

2:30 pm-1:20 pm

1 stop15h 50m

$1,019

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 Itami 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 Itami Airport?

If you are unable to visit Osaka Itami Airport during the month of August, then departing from State of Washington during the month January is also very affordable. Most momondo users find prices during this month for around $0.

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

You could potentially save up to 31% on your flight if you consider stops on a State of Washington to Osaka Itami Airport flight.

Cheap State of Washington to Osaka Itami Airport flight deals and tips

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

Best Price Found	$463
Fastest flight time	14h 35m
Direct flights	None

The best one-way flight to Osaka Itami Airport from State of Washington in the past 72 hours is $463. The best round-trip flight deal from State of Washington to Osaka Itami Airport found on momondo in the last 72 hours is $886.

The fastest flight from State of Washington to Osaka Itami Airport takes 14h 35m

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

Search flight deals

Frequently asked questions about flying from Washington to Osaka Itami Airport

When did momondo last update prices for flights from Washington to Osaka Itami Airport?
Prices for flights from Washington to Osaka Itami Airport are updated daily.
How many operators does momondo search for flights from Washington to Osaka Itami Airport?
As of September 2026, there are 2 operators available to choose from for flights from Washington to Osaka Itami Airport.
How old do you have to be to fly from Washington to Osaka Itami 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 Washington to Osaka Itami Airport.
What documentation or ID do you need to fly to Osaka Itami Airport?
The travel and health documents you'll need for your trip to Osaka Itami Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Osaka Itami Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from State of Washington to Osaka Itami Airport

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

Airline	Rating	Free Cancellation	Price
ANA	PriceFrom $659	Free Cancellation	Rating 8.3 1,322 reviews		Search ANA flights
Japan Airlines	PriceFrom $788	Free Cancellation	Rating 8.3 1,921 reviews		Search Japan Airlines flights

Nara

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

Finding the right flight to Osaka from Washington is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Osaka quick and easy, saving you time and money.

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 provides multiple filters to help you find the best flight to Osaka from Washington. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Washington to Osaka flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Flights to Tokyo Haneda Airportfrom $665

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Cheap flights from Washington to Osaka from $463

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 11/29. 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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ANA flights from State of Washington to Osaka Itami Airport

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

Japan Airlines flights from State of Washington to Osaka Itami Airport

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

momondo Fare Finder

Use the filters below to find and compare flights from Washington to Osaka Itami 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 Itami Airport

What is the cheapest month to fly to Osaka Itami Airport?

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

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

How long does it take to fly to Osaka Itami Airport?

Cheap State of Washington to Osaka Itami Airport flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Washington to Osaka Itami Airport

Best airlines flying from State of Washington to Osaka Itami Airport

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

Traveling to a place near Osaka?

Why use momondo?

An easier way to manage your Osaka Itami 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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