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$453+ Cheap flights from Osaka Itami (ITM) to Seattle (SEA)

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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
ITM — SEA
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Cheap flight deals from Osaka Itami to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Osaka Itami (ITM) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$959
(Kiwi.com)

One-way from

$453
(Kiwi.com)

Popular in

September

Cheapest in

May

Average price

$853
Provider with most accurate pricing for Osaka (OSA)-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Osaka (OSA)-Seattle/Tacoma Intl flights.
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From Osaka Itami to Seattle/Tacoma Intl
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One-way flight from Osaka Itami to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 5% potential increase in price ($56 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Osaka Itami to Seattle

Cheapest flights from Osaka Itami to Seattle
Explore the most affordable flight options available from Osaka Itami to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/258:00 amITM - SEA
2 stops23h 37mMultiple Airlines
Tue 12/23:40 pmSEA - ITM
1 stop22h 50mMultiple Airlines
Deal found 10/28$959
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Sat 11/2910:00 amITM - SEA
2 stops23h 46mMultiple Airlines
Sat 12/63:40 pmSEA - ITM
1 stop22h 50mMultiple Airlines
Deal found 10/29$1,039
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Fri 11/2810:00 amITM - SEA
2 stops19h 59mMultiple Airlines
Fri 12/53:40 pmSEA - ITM
1 stop22h 50mMultiple Airlines
Deal found 10/29$1,196
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Thu 11/207:30 amITM - SEA
2 stops27h 41mAmerican Airlines
Mon 11/246:41 pmSEA - ITM
2 stops32h 09mAmerican Airlines
Deal found 10/27$1,230
This American Airlines deal was found by Cheapflights users on 10/28. 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 11/252:40 pmITM - SEA
1 stop12h 10mAmerican Airlines
Tue 12/26:05 amSEA - ITM
2 stops20h 15mAmerican Airlines
Deal found 10/28$1,231
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Wed 12/242:40 pmITM - SEA
1 stop12h 55mMultiple Airlines
Fri 1/23:45 pmSEA - ITM
1 stop22h 45mMultiple Airlines
Deal found 10/29$1,263
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/253:00 pmITM - SEA
1 stop15h 20mANA
Tue 12/23:40 pmSEA - ITM
1 stop22h 50mANA
Deal found 10/28$1,525

Cheapflights Fare Finder

 
Customize your flight search to find flights from Osaka Itami to Seattle 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 October 29, 2025.
Use the filters below to find and compare flights from Osaka Itami Airport to Seattle that are best for you.

Fly from

Osaka Itami

Fly to

Seattle

Route

Depart

Return

Price

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Tue 11/25

8:00 am-2:37 pm

2 stops23h 37m

Seattle/Tacoma Intl

Tue 12/2

3:40 pm-7:30 am

1 stop22h 50m

$959

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Sat 11/29

10:00 am-4:46 pm

2 stops23h 46m

Seattle/Tacoma Intl

Sat 12/6

3:40 pm-7:30 am

1 stop22h 50m

$1,039

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Fri 11/28

10:00 am-12:59 pm

2 stops19h 59m

Seattle/Tacoma Intl

Fri 12/5

3:40 pm-7:30 am

1 stop22h 50m

$1,196

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Thu 11/20

7:30 am-6:11 pm

2 stops27h 41m

Seattle/Tacoma Intl

Mon 11/24

6:41 pm-7:50 pm

2 stops32h 09m

$1,230

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Wed 12/24

2:40 pm-10:35 am

1 stop12h 55m

Seattle/Tacoma Intl

Fri 1/2

3:45 pm-7:30 am

1 stop22h 45m

$1,263

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Tue 11/25

3:00 pm-1:20 pm

1 stop15h 20m

Seattle/Tacoma Intl

Tue 12/2

3:40 pm-7:30 am

1 stop22h 50m

$1,525

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Sat 12/13

8:30 am-1:30 pm

3 stops22h 00m

$477

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Wed 11/19

4:30 pm-6:11 pm

2 stops18h 41m

$519

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Fri 3/20

4:30 pm-9:00 am

2 stops32h 30m

$521

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Fri 11/7

1:25 pm-1:55 pm

2 stops17h 30m

$572

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 18 results
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Best time to book a flight from Osaka Itami to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Osaka Itami 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.

Related info for your journey

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

  • What airport do you fly into for flights to Seattle from Osaka Itami?

    If you book a flight to Seattle from Osaka Itami, you will be flying to Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle. There are 0 flights from Osaka Itami to Seattle/Tacoma Intl per day from 0 different airlines.

  • How long is the flight from Osaka Itami Airport to Seattle?

    A quick flight from Osaka Itami Airport to Seattle can take about 27h 41m. American Airlines provides one of the quickest options available for as low as $1,230. There are 4999 mi between Osaka Itami Airport and Seattle.

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

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

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

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

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

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

See more FAQs

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