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Osaka Itami

$334+ Cheap flights from Washington to Osaka Itami (ITM)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ITM
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Washington to Osaka Itami

Cheapest flights from Washington to Osaka Itami
Explore the most affordable flight options available from Washington to Osaka Itami. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This oojo deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3012:10 pmSEA - ITM
1 stop14h 45mJapan Airlines
Wed 1/142:30 pmITM - SEA
2 stops19h 12mJapan Airlines
Deal found 12/17$856
This American Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3012:10 pmSEA - ITM
1 stop14h 45mAmerican Airlines
Wed 1/142:40 pmITM - SEA
1 stop12h 15mAmerican Airlines
Deal found 12/17$879
This Mytrip deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3012:10 pmSEA - ITM
1 stop14h 45mMultiple Airlines
Wed 1/148:30 amITM - SEA
3 stops22h 50mMultiple Airlines
Deal found 12/17$1,189
This FlightHub deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/267:30 amPDX - ITM
2 stops18h 25mANA
Sat 1/101:00 pmITM - PDX
2 stops18h 46mANA
Deal found 12/17$1,691
This KAYAK deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/243:40 pmSEA - ITM
1 stop23h 30mANA
Sun 12/286:00 pmITM - SEA
1 stop12h 20mANA
Deal found 12/18$1,804
This Kiwi.com deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/169:30 pmSEA - ITM
2 stops41h 00mMultiple Airlines
Tue 12/232:05 pmITM - SEA
1 stop13h 30mMultiple Airlines
Deal found 12/15$1,872
This Air Canada deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/263:15 pmPDX - ITM
2 stops34h 40mAir Canada
Sat 1/102:05 pmITM - PDX
2 stops36h 10mAir Canada
Deal found 12/16$2,019
This ANA deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ANA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/257:30 amPDX - ITM
2 stops18h 25mANA
Thu 1/12:05 pmITM - PDX
2 stops17h 41mANA
Deal found 12/17$2,166
This Mytrip deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/289:50 amPDX - ITM
2 stops17h 05mMultiple Airlines
Sun 1/47:30 pmITM - PDX
3 stops40h 00mMultiple Airlines
Deal found 12/16$2,192
This American Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/196:20 amPDX - ITM
2 stops21h 00mAmerican Airlines
Wed 12/241:40 pmITM - PDX
2 stops20h 31mAmerican Airlines
Deal found 12/17$2,199
This Booking.com deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/163:40 pmSEA - ITM
2 stops34h 15mAir Canada
Tue 12/232:05 pmITM - SEA
2 stops17h 26mAir Canada
Deal found 12/15$2,311
This oojo deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2411:30 amSEA - ITM
2 stops51h 10mJapan Airlines
Sun 12/282:40 pmITM - SEA
2 stops16h 47mJapan Airlines
Deal found 12/18$2,706

Find flight deals from Washington to Osaka Itami

Keep the following information in mind while searching for Washington to Osaka Itami flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$622
(oojo)

One-way from

$334
(oojo)

Popular in

December

Cheapest in

January

Average price

$1,273
Provider with most accurate pricing for Seattle/Tacoma Intl-Osaka (OSA) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Osaka (OSA) flights.
Search Deals
From Washington to Osaka Itami
Search Deals
One-way flight from Washington to Osaka Itami
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Osaka Itami that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Washington to Osaka Itami Airport that are best for you.

Fly from

Washington

Fly to

Osaka Itami

Route

Depart

Return

Price

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Tue 1/20

12:30 pm-7:55 pm

1 stop14h 25m

Osaka Itami

Tue 1/27

2:30 pm-8:58 am

2 stops35h 28m

$628

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Tue 1/13

12:30 pm-7:55 pm

1 stop14h 25m

Osaka Itami

Tue 1/20

2:40 pm-8:58 am

2 stops35h 18m

$628

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Tue 3/3

12:30 pm-7:50 pm

1 stop14h 20m

Osaka Itami

Tue 3/10

2:35 pm-10:55 am

1 stop12h 20m

$630

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Sat 1/31

3:45 pm-9:10 am

1 stop24h 25m

Osaka Itami

Sat 2/7

2:00 pm-1:20 pm

1 stop16h 20m

$634

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Fri 1/16

6:03 am-7:30 am

2 stops32h 27m

Osaka Itami

Fri 1/23

8:20 pm-1:20 pm

1 stop34h 00m

$637

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Wed 4/22

6:57 am-5:05 pm

2 stops18h 08m

Osaka Itami

Wed 4/29

6:00 pm-2:25 pm

1 stop12h 25m

$646

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Fri 2/27

12:30 pm-8:30 pm

1 stop15h 00m

Osaka Itami

Fri 3/13

9:30 am-10:55 am

1 stop17h 25m

$646

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Thu 1/15

3:45 pm-12:10 pm

1 stop27h 25m

Osaka Itami

Thu 1/22

10:00 am-1:20 pm

1 stop20h 20m

$647

PortlandOsaka

PDX - ITM

PDXITM

Portland

Tue 1/20

7:45 am-6:55 pm

2 stops18h 10m

Osaka Itami

Wed 1/28

1:00 pm-2:48 pm

2 stops18h 48m

$677

PortlandOsaka

PDX - ITM

PDXITM

Portland

Tue 4/21

7:25 am-7:10 pm

2 stops19h 45m

Osaka Itami

Wed 5/13

12:00 pm-2:31 pm

2 stops18h 31m

$677

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 33 results
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Best time to book a flight from Washington to Osaka Itami

Have a flexible travel schedule? Discover the best time to fly to Osaka Itami from Washington with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington to Osaka Itami Airport

What is the cheapest month to book a flight from State of Washington to Osaka Itami Airport?

Currently, February is the cheapest month in which you can book a flight from State of Washington to Osaka Itami Airport (average of $659). Flying from State of Washington to Osaka Itami Airport in December is currently the most expensive (average of $1,036). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WA to ITM?

Find hourly flight availability from Washington to Osaka Itami. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 52% on flights from State of Washington to Osaka Itami Airport by exploring options for tickets in the evening.

Related info for your journey

Find useful and relevant information for your journey from Washington to Osaka Itami. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from State of Washington to Osaka Itami Airport?

    Departing from State of Washington to Osaka Itami Airport will take you 14h 25m. There are 4999 mi between State of Washington and Osaka Itami Airport. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Washington to Osaka Itami that include hotel bookings?

    Yes. In addition to deals on Washington to Osaka Itami flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to Osaka Itami?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Osaka Itami.

  • Can I find deals for business class flights from Washington to Osaka Itami?

    Yes. Cheapflights offers flight deals from Washington to Osaka Itami by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from State of Washington to Osaka Itami Airport?

    Currently, February is the cheapest month in which you can book a flight from State of Washington to Osaka Itami Airport (average of $659). Flying from State of Washington to Osaka Itami Airport in December is currently the most expensive (average of $1,036). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Osaka Itami Airport?

Book flights to Osaka Itami Airport if you plan to visit one of these locations
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Alternative routes for Washington to Osaka Itami

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Top 2 airlines flying from Washington to Osaka Itami

Discover the top 2 airlines that operate flights from Washington to Osaka Itami. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
ANACheapest$659Average$800FlexibilityNo cancel feeOn-time80%
Japan AirlinesCheapest$697Average$1,110FlexibilityNo cancel feeOn-time79%

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