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$712+ 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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
ITM — SEA
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
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 April 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,048
(American Airlines)

One-way from

$712
(CheapOair)

Popular in

September

Cheapest in

May

Average price

$955
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. 10% potential increase in price ($113 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 17, 2025.

This American Airlines deal was found by Cheapflights users on 4/17. 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 8/212:35 pmITM - SEA
2 stops18h 18mAmerican Airlines
Mon 9/87:15 amSEA - ITM
2 stops19h 25mAmerican Airlines
Deal found 4/17$1,048
This Cheapflightsfares deal was found by Cheapflights users on 4/17. 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.
Wed 8/202:35 pmITM - SEA
2 stops18h 18mJapan Airlines
Wed 9/37:20 amSEA - ITM
2 stops20h 25mJapan Airlines
Deal found 4/17$1,057
This Ovago deal was found by Cheapflights users on 4/16. 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 8/202:35 pmITM - SEA
1 stop12h 40mMultiple Airlines
Wed 9/31:55 pmSEA - ITM
1 stop13h 50mMultiple Airlines
Deal found 4/16$1,195
This Gotogate deal was found by Cheapflights users on 4/16. 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.
Sat 5/316:00 pmITM - SEA
2 stops16h 33mANA
Sat 6/71:45 pmSEA - ITM
2 stops25h 40mANA
Deal found 4/16$1,733
This United Airlines deal was found by Cheapflights users on 4/16. 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.
Sat 5/3112:00 pmITM - SEA
3 stops25h 11mUnited Airlines
Sat 6/77:15 pmSEA - ITM
2 stops53h 50mUnited Airlines
Deal found 4/16$2,151
This Gotogate deal was found by Cheapflights users on 4/17. 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.
Sun 5/112:35 pmITM - SEA
2 stops20h 35mWestJet
Fri 5/168:25 amSEA - ITM
2 stops19h 25mWestJet
Deal found 4/17$3,824

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 April 17, 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

Thu 8/21

2:35 pm-4:53 pm

2 stops18h 18m

Seattle/Tacoma Intl

Mon 9/8

7:15 am-6:40 pm

2 stops19h 25m

$1,048

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Wed 8/20

2:35 pm-4:53 pm

2 stops18h 18m

Seattle/Tacoma Intl

Wed 9/3

7:20 am-7:45 pm

2 stops20h 25m

$1,057

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Wed 8/20

2:35 pm-11:15 am

1 stop12h 40m

Seattle/Tacoma Intl

Wed 9/3

1:55 pm-7:45 pm

1 stop13h 50m

$1,195

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Sat 5/31

6:00 pm-6:33 pm

2 stops16h 33m

Seattle/Tacoma Intl

Sat 6/7

1:45 pm-7:25 am

2 stops25h 40m

$1,733

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Sat 5/31

12:00 pm-9:11 pm

3 stops25h 11m

Seattle/Tacoma Intl

Sat 6/7

7:15 pm-5:05 pm

2 stops53h 50m

$2,151

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Sun 5/11

2:35 pm-7:10 pm

2 stops20h 35m

Seattle/Tacoma Intl

Fri 5/16

8:25 am-7:50 pm

2 stops19h 25m

$3,824

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Mon 9/8

4:30 pm-8:08 pm

2 stops19h 38m

$724

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Sun 9/28

11:25 am-7:15 pm

2 stops23h 50m

$856

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Mon 6/16

2:35 pm-11:40 am

1 stop13h 05m

$1,542

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Mon 6/16

1:00 pm-2:13 pm

2 stops17h 13m

$1,584

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 13 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 April 17, 2025.
Japan Airlines
8.3
Very good
1,447 reviews

Boarding

8.4

Crew

8.7

Food

7.7

Entertainment

7.8

Comfort

8.2

Overall

8.3

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
1,447 reviews
Japan Airlines
8.3
Very good
1,447 reviews

Boarding

8.4

Crew

8.7

Food

7.7

Entertainment

7.8

Comfort

8.2

Overall

8.3

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
844 reviews
Japan Airlines
8.3
Very good
1,447 reviews

Boarding

8.4

Crew

8.7

Food

7.7

Entertainment

7.8

Comfort

8.2

Overall

8.3

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.
United Airlines
7.4
Good
8,667 reviews
Japan Airlines
8.3
Very good
1,447 reviews

Boarding

8.4

Crew

8.7

Food

7.7

Entertainment

7.8

Comfort

8.2

Overall

8.3

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.
American Airlines
7.2
Good
10,000 reviews
Japan Airlines
8.3
Very good
1,447 reviews

Boarding

8.4

Crew

8.7

Food

7.7

Entertainment

7.8

Comfort

8.2

Overall

8.3

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.
WestJet
7.2
Good
2,809 reviews
Japan Airlines
8.3
Very good
1,447 reviews

Boarding

8.4

Crew

8.7

Food

7.7

Entertainment

7.8

Comfort

8.2

Overall

8.3

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 $725 on American Airlines. Other airlines that offer cheap prices include Japan Airlines from $1,928 and United Airlines from $1,990 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 $411). 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
Renton
Lakewood
Ocean Shores
Lacey
Leavenworth
Federal Way
Olympia
Shoreline
Cle Elum
Centralia
Aberdeen
Kent
Lynnwood
Shelton
Silverdale
Redmond
Issaquah

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Alternative routes for Itami to Seattle

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