HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$463+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
ITM — SEA
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Osaka Itami to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 January 27, 2026.

This Expedia deal was found by Cheapflights users on 1/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/292:05 pm
ITM
-
SEA
2 stops17h 26m
Air Canada
Sun 2/18:00 pm
SEA
-
ITM
2 stops29h 55m
Air Canada
Deal found 1/27$906
This Expedia deal was found by Cheapflights users on 1/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/292:05 pm
ITM
-
SEA
2 stops17h 26m
Multiple Airlines
Sun 2/112:30 pm
SEA
-
ITM
1 stop14h 25m
Multiple Airlines
Deal found 1/27$1,053
This Gurufare deal was found by Cheapflights users on 1/24. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/281:30 pm
ITM
-
SEA
2 stops22h 02m
Japan Airlines
Tue 5/510:00 am
SEA
-
ITM
2 stops30h 35m
Japan Airlines
Deal found 1/24$1,054
This Orbitz deal was found by Cheapflights users on 1/24. 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.
Mon 8/34:20 pm
ITM
-
SEA
2 stops21h 25m
Multiple Airlines
Mon 8/174:30 pm
SEA
-
ITM
1 stop22h 55m
Multiple Airlines
Deal found 1/24$1,062
This Alaska Airlines deal was found by Cheapflights users on 1/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/12:35 pm
ITM
-
SEA
1 stop12h 05m
Multiple Airlines
Mon 9/211:30 pm
SEA
-
ITM
1 stop14h 15m
Multiple Airlines
Deal found 1/26$1,116
This Alaska Airlines deal was found by Cheapflights users on 1/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:00 pm
ITM
-
SEA
2 stops19h 53m
Multiple Airlines
Tue 10/2710:22 am
SEA
-
ITM
2 stops31h 23m
Multiple Airlines
Deal found 1/24$1,145
This Kiwi.com deal was found by Cheapflights users on 1/24. 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 4/282:35 pm
ITM
-
SEA
1 stop12h 40m
Multiple Airlines
Tue 5/54:30 pm
SEA
-
ITM
1 stop23h 05m
Multiple Airlines
Deal found 1/24$1,166
This Flightnetwork deal was found by Cheapflights users on 1/25. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/278:25 am
ITM
-
SEA
2 stops22h 30m
Multiple Airlines
Sun 3/2912:55 am
SEA
-
ITM
2 stops22h 45m
Multiple Airlines
Deal found 1/25$1,174
This Kiwi.com deal was found by Cheapflights users on 1/24. 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 4/292:35 pm
ITM
-
SEA
1 stop12h 40m
Multiple Airlines
Tue 5/54:30 pm
SEA
-
ITM
1 stop23h 05m
Multiple Airlines
Deal found 1/24$1,195
This Priceline deal was found by Cheapflights users on 1/26. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/112:00 pm
ITM
-
SEA
2 stops16h 16m
Multiple Airlines
Sat 9/264:30 pm
SEA
-
ITM
1 stop22h 55m
Multiple Airlines
Deal found 1/26$1,217
This HIS deal was found by Cheapflights users on 1/25. 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 HIS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/122:35 pm
ITM
-
SEA
1 stop13h 00m
Multiple Airlines
Thu 3/191:50 pm
SEA
-
ITM
1 stop14h 00m
Multiple Airlines
Deal found 1/25$1,224
This Alaska Airlines deal was found by Cheapflights users on 1/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/232:35 pm
ITM
-
SEA
1 stop12h 05m
Multiple Airlines
Wed 9/161:30 pm
SEA
-
ITM
1 stop14h 15m
Multiple Airlines
Deal found 1/26$1,231

Find 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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,054
(Gurufare)

One-way from

$463
(Kiwi.com)

Popular in

September

Cheapest in

May
Provider with most accurate pricing for Osaka (OSA)-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Osaka (OSA)-Seattle/Tacoma Intl flights.
Search Deals
From Osaka Itami to Seattle/Tacoma Intl
Search Deals
One-way flight from Osaka Itami to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($105 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).
Search Deals

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 January 27, 2026.
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 4/28

1:30 pm-7:32 pm

2 stops22h 02m

Seattle/Tacoma Intl

Tue 5/5

10:00 am-8:35 am

2 stops30h 35m

$1,054

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Tue 4/28

2:35 pm-11:15 am

1 stop12h 40m

Seattle/Tacoma Intl

Tue 5/5

4:30 pm-7:35 am

1 stop23h 05m

$1,166

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Fri 3/27

8:25 am-2:55 pm

2 stops22h 30m

Seattle/Tacoma Intl

Sun 3/29

12:55 am-3:40 pm

2 stops22h 45m

$1,174

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Wed 4/29

2:35 pm-11:15 am

1 stop12h 40m

Seattle/Tacoma Intl

Tue 5/5

4:30 pm-7:35 am

1 stop23h 05m

$1,195

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Thu 3/12

2:35 pm-11:35 am

1 stop13h 00m

Seattle/Tacoma Intl

Thu 3/19

1:50 pm-7:50 pm

1 stop14h 00m

$1,224

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Tue 6/23

2:35 pm-10:40 am

1 stop12h 05m

Seattle/Tacoma Intl

Wed 9/16

1:30 pm-7:45 pm

1 stop14h 15m

$1,231

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Fri 3/13

7:05 am-7:10 pm

2 stops28h 05m

Seattle/Tacoma Intl

Thu 3/19

1:10 am-7:50 pm

2 stops26h 40m

$1,239

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Thu 3/26

7:20 am-10:00 am

2 stops18h 40m

Seattle/Tacoma Intl

Tue 3/31

10:10 am-7:50 pm

2 stops17h 40m

$1,337

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Thu 3/5

2:35 pm-10:35 am

1 stop13h 00m

Seattle/Tacoma Intl

Sat 3/21

1:50 pm-7:50 pm

1 stop14h 00m

$1,405

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Tue 4/21

2:00 pm-5:42 pm

3 stops43h 42m

$463

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 19 results
1
2

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 22h 02m. Japan Airlines provides one of the quickest options available for as low as $1,054. 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

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Lynnwood
Lacey
Edmonds
Renton
Puyallup
Kirkland
Kent
Tukwila
Fife
Aberdeen
Shoreline
Marysville
Centralia
Federal Way
Chehalis

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Osaka Itami to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Kansai Intl to Seattle flights
Kansai Intl to Portland flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.