HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$539+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
ITM — SEA
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from 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 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 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,339
(Ovago)

One-way from

$539
(Kiwi.com)

Popular in

September

Cheapest in

May

Average price

$955
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. 11% potential increase in price ($127 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 29, 2025.

This Ovago deal was found by Cheapflights users on 4/27. 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 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 4/27$1,339
This Air Canada deal was found by Cheapflights users on 4/28. 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.
Wed 7/92:05 pmITM - SEA
2 stops14h 56mAir Canada
Mon 7/2810:00 amSEA - ITM
2 stops16h 55mAir Canada
Deal found 4/28$1,359
This American Airlines deal was found by Cheapflights users on 4/29. 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
1 stop12h 00mAmerican Airlines
Mon 9/87:15 amSEA - ITM
2 stops18h 20mAmerican Airlines
Deal found 4/29$1,385
This Hawaiian Airlines deal was found by Cheapflights users on 4/29. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/202:35 pmITM - SEA
1 stop12h 40mHawaiian Airlines
Wed 9/31:55 pmSEA - ITM
1 stop13h 50mHawaiian Airlines
Deal found 4/29$1,559
This Mytrip deal was found by Cheapflights users on 4/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/242:35 pmITM - SEA
1 stop12h 00mJapan Airlines
Mon 6/308:41 amSEA - ITM
2 stops19h 09mJapan Airlines
Deal found 4/28$1,620
This United Airlines deal was found by Cheapflights users on 4/27. 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 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 stops19h 14mUnited Airlines
Tue 9/97:00 amSEA - ITM
2 stops18h 05mUnited Airlines
Deal found 4/27$1,691
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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
2 stops16h 36mANA
Mon 9/87:00 amSEA - ITM
2 stops19h 55mANA
Deal found 4/29$1,757
This Air France deal was found by Cheapflights users on 4/27. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/168:00 pmITM - SEA
2 stops31h 15mAir France
Sun 9/71:30 pmSEA - ITM
2 stops31h 05mAir France
Deal found 4/27$2,917

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 29, 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

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

$1,339

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Wed 7/9

2:05 pm-1:01 pm

2 stops14h 56m

Seattle/Tacoma Intl

Mon 7/28

10:00 am-6:55 pm

2 stops16h 55m

$1,359

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Thu 8/21

2:35 pm-10:35 am

1 stop12h 00m

Seattle/Tacoma Intl

Mon 9/8

7:15 am-5:35 pm

2 stops18h 20m

$1,394

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Tue 6/24

2:35 pm-10:35 am

1 stop12h 00m

Seattle/Tacoma Intl

Mon 6/30

8:41 am-7:50 pm

2 stops19h 09m

$1,620

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Wed 8/20

12:00 pm-3:14 pm

2 stops19h 14m

Seattle/Tacoma Intl

Tue 9/9

7:00 am-5:05 pm

2 stops18h 05m

$1,691

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Mon 8/18

6:00 pm-6:36 pm

2 stops16h 36m

Seattle/Tacoma Intl

Mon 9/8

7:00 am-6:55 pm

2 stops19h 55m

$1,769

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Sat 8/16

8:00 pm-11:15 am

2 stops31h 15m

Seattle/Tacoma Intl

Sun 9/7

1:30 pm-12:35 pm

2 stops31h 05m

$2,917

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Tue 5/13

9:30 am-11:30 am

1 stop18h 00m

$539

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Thu 5/29

7:25 am-6:31 pm

2 stops27h 06m

$590

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Tue 5/6

4:30 pm-11:09 pm

2 stops22h 39m

$993

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 15 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 29, 2025.
Japan Airlines
8.3
Very good
1,459 reviews

Comfort

8.2

Food

7.7

Entertainment

7.8

Crew

8.7

Boarding

8.4

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
1,459 reviews
Japan Airlines
8.3
Very good
1,459 reviews

Comfort

8.2

Food

7.7

Entertainment

7.8

Crew

8.7

Boarding

8.4

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
852 reviews
Japan Airlines
8.3
Very good
1,459 reviews

Comfort

8.2

Food

7.7

Entertainment

7.8

Crew

8.7

Boarding

8.4

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.
Hawaiian Airlines
7.9
Good
2,402 reviews
Japan Airlines
8.3
Very good
1,459 reviews

Comfort

8.2

Food

7.7

Entertainment

7.8

Crew

8.7

Boarding

8.4

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.
Air France
7.4
Good
1,446 reviews
Japan Airlines
8.3
Very good
1,459 reviews

Comfort

8.2

Food

7.7

Entertainment

7.8

Crew

8.7

Boarding

8.4

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
8,696 reviews
Japan Airlines
8.3
Very good
1,459 reviews

Comfort

8.2

Food

7.7

Entertainment

7.8

Crew

8.7

Boarding

8.4

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 $590 on American Airlines. Other airlines that offer cheap prices include Japan Airlines from $993 and WestJet from $1,294 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 $405). 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
Renton
Ocean Shores
Lacey
Leavenworth
Federal Way
Olympia
Shoreline
Cle Elum
Centralia
Kent
Lynnwood
Aberdeen
Shelton
Silverdale
Redmond
Issaquah

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 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.