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$454+ Cheap flights from 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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
ITM — SEA
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Itami to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from 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 September 11, 2025.

Round-trip from

$1,077
(ANA)

One-way from

$454
(Kiwi.com)

Popular in

September

Cheapest in

May

Average price

$1,106
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. 8% potential increase in price ($93 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Itami to Seattle

Cheapest flights from Itami to Seattle
Explore the most affordable flight options available from Itami to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This ANA deal was found by Cheapflights users on 9/10. 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.
Sat 11/154:50 pmITM - SEA
1 stop13h 30mANA
Sat 11/293:40 pmSEA - ITM
1 stop23h 30mANA
Deal found 9/10$1,077
This Orbitz deal was found by Cheapflights users on 9/10. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/154:30 pmITM - SEA
2 stops23h 51mMultiple Airlines
Sat 11/293:40 pmSEA - ITM
1 stop22h 50mMultiple Airlines
Deal found 9/10$1,084
This Ovago deal was found by Cheapflights users on 9/9. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/298:30 amITM - SEA
2 stops22h 19mJapan Airlines
Tue 10/218:42 amSEA - ITM
2 stops19h 08mJapan Airlines
Deal found 9/9$1,243
This Ovago deal was found by Cheapflights users on 9/11. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/87:30 amITM - SEA
2 stops21h 10mJapan Airlines
Wed 10/291:10 pmSEA - ITM
1 stop14h 40mJapan Airlines
Deal found 9/11$1,246
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 11/153:30 pmITM - SEA
2 stops19h 41mAmerican Airlines
Sat 11/296:41 pmSEA - ITM
2 stops20h 59mAmerican Airlines
Deal found 9/10$1,300

Cheapflights Fare Finder

 
Customize your flight search to find flights from 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 September 11, 2025.
Use the filters below to find and compare flights from Osaka Itami Airport to Seattle that are best for you.

Fly from

Itami

Fly to

Seattle

Route

Depart

Return

Price

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Sat 11/15

4:30 pm-11:21 pm

2 stops23h 51m

Seattle/Tacoma Intl

Sat 11/29

3:40 pm-7:30 am

1 stop22h 50m

$1,084

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Mon 9/29

8:30 am-2:49 pm

2 stops22h 19m

Seattle/Tacoma Intl

Tue 10/21

1:30 pm-7:50 pm

1 stop14h 20m

$1,244

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Wed 10/8

7:30 am-12:40 pm

2 stops21h 10m

Seattle/Tacoma Intl

Wed 10/29

1:10 pm-7:50 pm

1 stop14h 40m

$1,246

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Sat 10/25

7:35 am-2:35 pm

2 stops23h 00m

Seattle/Tacoma Intl

Sat 11/1

4:40 pm-7:30 am

1 stop22h 50m

$1,459

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Fri 11/14

12:30 pm-9:50 am

1 stop14h 20m

Seattle/Tacoma Intl

Sun 11/30

12:10 pm-7:55 pm

1 stop14h 45m

$1,498

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Sun 11/16

1:40 pm-9:50 am

1 stop13h 10m

Seattle/Tacoma Intl

Sun 11/30

12:10 pm-8:05 pm

1 stop14h 55m

$1,565

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Fri 11/14

12:30 pm-9:50 am

1 stop14h 20m

Seattle/Tacoma Intl

Fri 11/28

12:10 pm-8:00 pm

1 stop14h 50m

$1,565

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Sat 11/15

1:40 pm-9:50 am

1 stop13h 10m

Seattle/Tacoma Intl

Sun 11/30

12:10 pm-8:05 pm

1 stop14h 55m

$1,565

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Wed 10/22

8:15 pm-7:21 pm

3 stops39h 06m

$454

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Wed 10/22

8:30 am-12:40 pm

2 stops20h 10m

$509

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 15 results
1
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Best time to book a flight from Itami to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from 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 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 22h 19m. Japan Airlines provides one of the quickest options available for as low as $1,244. There are 4999 mi between Osaka Itami Airport and Seattle.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from 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.

  • What is the cheapest month to book a flight from Osaka Itami Airport to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Osaka Itami Airport to Seattle (average of $238). Flying from Osaka Itami Airport to Seattle in June is currently the most expensive (average of $388). 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

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