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$420+ 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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
ITM — SEA
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
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Cheap flight deals from Osaka Itami to Seattle

Best flights from Osaka Itami to Seattle
Discover carefully curated flight deals from Osaka Itami to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated diciembre 12, 2025.

This Gotogate deal was found by Cheapflights users on 12/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/52:05 pmITM - SEA
2 stops25h 01mAir Canada
jue. 2/195:50 amSEA - ITM
2 stops20h 05mAir Canada
Deal found 12/11$712
This American Airlines deal was found by Cheapflights users on 12/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 1/233:25 pmITM - SEA
2 stops25h 34mAmerican Airlines
mar. 1/276:38 pmSEA - ITM
2 stops21h 02mAmerican Airlines
Deal found 12/9$806
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 1/222:40 pmITM - SEA
2 stops16h 40mMultiple Airlines
dom. 1/253:45 pmSEA - ITM
1 stop22h 45mMultiple Airlines
Deal found 12/11$913
This Gotogate deal was found by Cheapflights users on 12/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/32:00 pmITM - SEA
2 stops22h 16mMultiple Airlines
mié. 3/187:15 amSEA - ITM
2 stops32h 15mMultiple Airlines
Deal found 12/10$1,063
This American Airlines deal was found by Cheapflights users on 12/10. 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.
jue. 1/153:25 pmITM - SEA
2 stops19h 40mMultiple Airlines
jue. 1/296:38 pmSEA - ITM
2 stops20h 02mMultiple Airlines
Deal found 12/10$1,076
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/512:00 pmITM - SEA
1 stop15h 40mMultiple Airlines
jue. 2/199:30 pmSEA - ITM
2 stops26h 40mMultiple Airlines
Deal found 12/11$1,080
This Gotogate deal was found by Cheapflights users on 12/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/12:05 pmITM - SEA
2 stops36h 26mMultiple Airlines
mié. 3/187:15 amSEA - ITM
2 stops32h 15mMultiple Airlines
Deal found 12/10$1,191

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 diciembre 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$712
(Gotogate)

One-way from

$420
(Kiwi.com)

Popular in

September

Cheapest in

May

Average price

$846
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
Search Deals
One-way flight from Osaka Itami to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($92 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 diciembre 12, 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

jue. 2/5

2:05 pm-10:06 pm

2 stops25h 01m

Seattle/Tacoma Intl

jue. 2/19

5:50 am-6:55 pm

2 stops20h 05m

$712

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

vie. 1/23

3:25 pm-11:59 pm

2 stops25h 34m

Seattle/Tacoma Intl

mar. 1/27

6:38 pm-8:40 am

2 stops21h 02m

$806

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

jue. 1/22

2:40 pm-2:20 pm

2 stops16h 40m

Seattle/Tacoma Intl

dom. 1/25

3:45 pm-7:30 am

1 stop22h 45m

$913

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

mar. 3/3

2:00 pm-7:16 pm

2 stops22h 16m

Seattle/Tacoma Intl

mié. 3/18

7:15 am-7:30 am

2 stops32h 15m

$1,063

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

jue. 1/15

3:25 pm-6:05 pm

2 stops19h 40m

Seattle/Tacoma Intl

jue. 1/29

6:38 pm-7:40 am

2 stops20h 02m

$1,076

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

jue. 2/5

12:00 pm-10:40 am

1 stop15h 40m

Seattle/Tacoma Intl

jue. 2/19

9:30 pm-5:10 pm

2 stops26h 40m

$1,080

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

dom. 3/1

2:05 pm-9:31 am

2 stops36h 26m

Seattle/Tacoma Intl

mié. 3/18

7:15 am-7:30 am

2 stops32h 15m

$1,191

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

mar. 2/24

8:15 pm-6:52 pm

3 stops39h 37m

$432

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

mié. 2/25

8:30 am-6:52 pm

3 stops27h 22m

$454

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

mié. 2/25

2:00 pm-2:31 pm

2 stops17h 31m

$578

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 15 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 25h 01m. Air Canada provides one of the quickest options available for as low as $712. There are 4999 mi between Osaka Itami Airport and Seattle. This flight may include one or multiple stops.

  • 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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