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$632+ 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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
ITM — SEA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$1,051
(Cheapflightsfares)

One-way from

$632
(Kiwi.com)

Popular in

September

Cheapest in

May

Average price

$967
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. 12% potential increase in price ($141 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/12. 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.
Mon 8/186:00 pmITM - SEA
1 stop12h 25mANA
Mon 9/84:30 pmSEA - ITM
1 stop22h 55mANA
Deal found 6/12$1,051
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Sat 7/267:00 pmITM - SEA
2 stops40h 15mMultiple Airlines
Sat 8/24:30 pmSEA - ITM
1 stop22h 55mMultiple Airlines
Deal found 6/11$1,207
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2012:00 pmITM - SEA
2 stops26h 15mUnited Airlines
Wed 9/37:00 amSEA - ITM
2 stops18h 05mUnited Airlines
Deal found 6/10$1,410
This Gotogate deal was found by Cheapflights users on 6/12. 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.
Mon 6/232:35 pmITM - SEA
1 stop12h 00mJapan Airlines
Mon 6/308:41 amSEA - ITM
2 stops19h 09mJapan Airlines
Deal found 6/12$1,802
This Air Canada deal was found by Cheapflights users on 6/12. 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.
Thu 8/212:05 pmITM - SEA
2 stops16h 11mAir Canada
Mon 9/810:00 amSEA - ITM
2 stops16h 55mAir Canada
Deal found 6/12$1,832
This Air France deal was found by Cheapflights users on 6/10. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/128:00 pmITM - SEA
2 stops31h 15mAir France
Wed 7/231:30 pmSEA - ITM
2 stops31h 05mAir France
Deal found 6/10$2,375

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 June 12, 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

Mon 8/18

6:00 pm-2:25 pm

1 stop12h 25m

Seattle/Tacoma Intl

Mon 9/8

4:30 pm-7:25 am

1 stop22h 55m

$1,051

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Sat 7/26

7:00 pm-7:15 pm

2 stops40h 15m

Seattle/Tacoma Intl

Sat 8/2

4:30 pm-7:25 am

1 stop22h 55m

$1,207

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Wed 8/20

12:00 pm-10:15 pm

2 stops26h 15m

Seattle/Tacoma Intl

Wed 9/3

7:00 am-5:05 pm

2 stops18h 05m

$1,410

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Mon 6/23

2:35 pm-10:35 am

1 stop12h 00m

Seattle/Tacoma Intl

Mon 6/30

8:41 am-7:50 pm

2 stops19h 09m

$1,802

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Thu 8/21

2:05 pm-2:16 pm

2 stops16h 11m

Seattle/Tacoma Intl

Mon 9/8

10:00 am-6:55 pm

2 stops16h 55m

$1,832

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Sat 7/12

8:00 pm-11:15 am

2 stops31h 15m

Seattle/Tacoma Intl

Wed 7/23

1:30 pm-12:35 pm

2 stops31h 05m

$2,375

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Mon 7/21

8:00 am-4:25 pm

3 stops48h 25m

$632

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Wed 6/25

2:35 pm-11:40 am

1 stop13h 05m

$1,191

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Wed 10/29

4:00 pm-9:56 pm

2 stops21h 56m

$1,229

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Fri 8/29

2:35 pm-11:15 am

1 stop12h 40m

$1,331

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 17 results
1
2

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.

Cheapflights Insights

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

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated June 12, 2025.
Japan Airlines
8.3
Very good
1,489 reviews

Food

7.7

Overall

8.3

Comfort

8.2

Entertainment

7.8

Boarding

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Japan Airlines
8.3
Very good
1,489 reviews
Japan Airlines
8.3
Very good
1,489 reviews

Food

7.7

Overall

8.3

Comfort

8.2

Entertainment

7.8

Boarding

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
ANA
8.3
Very good
882 reviews
Japan Airlines
8.3
Very good
1,489 reviews

Food

7.7

Overall

8.3

Comfort

8.2

Entertainment

7.8

Boarding

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Alaska Airlines
8.0
Very good
10,000 reviews
Japan Airlines
8.3
Very good
1,489 reviews

Food

7.7

Overall

8.3

Comfort

8.2

Entertainment

7.8

Boarding

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Hawaiian Airlines
7.9
Good
2,494 reviews
Japan Airlines
8.3
Very good
1,489 reviews

Food

7.7

Overall

8.3

Comfort

8.2

Entertainment

7.8

Boarding

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Air France
7.5
Good
1,463 reviews
Japan Airlines
8.3
Very good
1,489 reviews

Food

7.7

Overall

8.3

Comfort

8.2

Entertainment

7.8

Boarding

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

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.

  • What are the cheapest airlines to fly from Osaka Itami Airport to Seattle one-way?

    One-way options have recently been found by users for as low as $1,191 on Alaska Airlines. Other airlines that offer cheap prices include Air Canada from $1,229 and Hawaiian Airlines from $1,331 one-way.

  • 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 July is currently the most expensive (average of $391). 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
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lacey
Leavenworth
Federal Way
Lynnwood
Olympia
Shoreline
Kent
Cle Elum
Centralia
Kirkland
Aberdeen
Renton
Shelton
Silverdale
Issaquah

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Alternative routes for 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

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