How do I get Price Alerts for flights from Osaka Itami Airport to Seattle?

You can take advantage of momondo’s Price Alerts by first searching for your flights to Osaka Itami Airport from Seattle . Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

How can I save money on flights from Osaka Itami Airport to Seattle with momondo?

With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

How does momondo find its flight prices?

momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

When did momondo last update prices for flights from Osaka Itami Airport to Seattle/Tacoma Intl Airport?

Prices for flights from Osaka Itami Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

How old do you have to be to fly from Osaka Itami Airport to Seattle/Tacoma Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Osaka Itami Airport to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$448 Cheap Flights from Osaka Itami Airport to Seattle in 2026

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Find the cheapest flights from Osaka Itami Airport to Seattle

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:35 pm - 12:59 am

ITM

SEA

26h 24m

2 stops

1:30 pm - 7:50 pm

SEA

ITM

14h 20m

1 stop

$1,006Multiple Airlines

Tue, Apr 21 - Tue, Apr 28

12:40 pm - 7:15 pm

ITM

SEA

22h 35m

2 stops

4:30 pm - 7:25 am

SEA

ITM

22h 55m

1 stop

$1,157Multiple Airlines

Sun, Apr 12 - Sun, Apr 19

12:55 pm - 9:30 am

ITM

SEA

12h 35m

1 stop

11:40 am - 7:10 pm

SEA

ITM

15h 30m

1 stop

$1,175Multiple Airlines

Tue, Apr 21 - Tue, Apr 28

2:35 pm - 11:15 am

ITM

SEA

12h 40m

1 stop

10:00 am - 7:35 am

SEA

ITM

29h 35m

2 stops

$1,199Multiple Airlines

Tue, Jun 23 - Wed, Sep 16

2:35 pm - 11:15 am

ITM

SEA

12h 40m

1 stop

10:00 am - 7:35 am

SEA

ITM

29h 35m

2 stops

$1,210Multiple Airlines

Tue, Jun 23 - Wed, Sep 16

2:35 pm - 11:15 am

ITM

SEA

12h 40m

1 stop

1:30 pm - 7:50 pm

SEA

ITM

14h 20m

1 stop

$1,274Multiple Airlines

Tue, Jun 23 - Wed, Sep 16

2:35 pm - 11:15 am

ITM

SEA

12h 40m

1 stop

1:30 pm - 7:50 pm

SEA

ITM

14h 20m

1 stop

$1,278Multiple Airlines

Tue, Jun 23 - Wed, Sep 16

2:35 pm - 11:15 am

ITM

SEA

12h 40m

1 stop

1:30 pm - 7:50 pm

SEA

ITM

14h 20m

1 stop

$1,286Multiple Airlines

Tue, Jun 23 - Wed, Sep 16

2:30 pm - 7:50 pm

ITM

SEA

21h 20m

2 stops

4:30 pm - 7:25 am

SEA

ITM

22h 55m

1 stop

$1,290Multiple Airlines

Sat, Aug 8 - Sat, Aug 15

2:00 pm - 2:22 pm

ITM

SEA

16h 22m

2 stops

5:40 am - 6:55 pm

SEA

ITM

21h 15m

2 stops

$1,297Air Canada

Tue, Jun 23 - Wed, Sep 16

Air Canada flights from Osaka Itami Airport to Seattle

Our best Air Canada deals on Osaka Itami Airport to Seattle flight tickets

Air Canada

Jun 23

ITM2:00 pmOsaka Itami

16h 22m

2 stops

SEA2:22 pmSeattle/Tacoma Intl

Sep 16

SEA5:40 amSeattle/Tacoma Intl

21h 15m

2 stops

ITM6:55 pmOsaka Itami

$1,297

Air Canada

Jun 23

ITM2:00 pmOsaka Itami

16h 22m

2 stops

SEA2:22 pmSeattle/Tacoma Intl

Sep 16

SEA7:20 pmSeattle/Tacoma Intl

31h 35m

2 stops

ITM6:55 pmOsaka Itami

$1,429

Air Canada

Jun 23

ITM2:00 pmOsaka Itami

20h 32m

2 stops

SEA6:32 pmSeattle/Tacoma Intl

Sep 16

SEA7:20 pmSeattle/Tacoma Intl

31h 35m

2 stops

ITM6:55 pmOsaka Itami

$1,434

Japan Airlines flights from Osaka Itami Airport to Seattle

Our best Japan Airlines deals on Osaka Itami Airport to Seattle flight tickets

Japan Airlines

Jun 23

ITM2:35 pmOsaka Itami

12h 15m

1 stop

SEA10:50 amSeattle/Tacoma Intl

Sep 16

SEA1:15 pmSeattle/Tacoma Intl

14h 35m

1 stop

ITM7:50 pmOsaka Itami

$1,516

Japan Airlines

Mar 30

ITM2:35 pmOsaka Itami

12h 00m

1 stop

SEA10:35 amSeattle/Tacoma Intl

Apr 27

SEA8:31 amSeattle/Tacoma Intl

19h 19m

2 stops

ITM7:50 pmOsaka Itami

$1,726

Japan Airlines

Mar 16

ITM2:35 pmOsaka Itami

12h 20m

1 stop

SEA10:55 amSeattle/Tacoma Intl

Apr 13

SEA5:30 amSeattle/Tacoma Intl

21h 40m

2 stops

ITM7:10 pmOsaka Itami

$1,731

momondo Fare Finder

Use the filters below to find and compare flights from Osaka Itami Airport to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Tue 4/21

2:35 pm-12:59 am

2 stops26h 24m

Seattle/Tacoma Intl

Tue 4/28

1:30 pm-7:50 pm

1 stop14h 20m

$1,006

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Sun 4/12

12:40 pm-7:15 pm

2 stops22h 35m

Seattle/Tacoma Intl

Sun 4/19

4:30 pm-7:25 am

1 stop22h 55m

$1,157

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Tue 4/21

12:55 pm-9:30 am

1 stop12h 35m

Seattle/Tacoma Intl

Tue 4/28

11:40 am-7:10 pm

1 stop15h 30m

$1,175

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Tue 6/23

2:35 pm-11:15 am

1 stop12h 40m

Seattle/Tacoma Intl

Wed 9/16

10:00 am-7:35 am

2 stops29h 35m

$1,199

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Tue 6/23

2:35 pm-11:15 am

1 stop12h 40m

Seattle/Tacoma Intl

Wed 9/16

10:00 am-7:35 am

2 stops29h 35m

$1,210

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Tue 6/23

2:35 pm-11:15 am

1 stop12h 40m

Seattle/Tacoma Intl

Wed 9/16

1:30 pm-7:50 pm

1 stop14h 20m

$1,274

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Tue 6/23

2:35 pm-11:15 am

1 stop12h 40m

Seattle/Tacoma Intl

Wed 9/16

1:30 pm-7:50 pm

1 stop14h 20m

$1,278

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Tue 6/23

2:35 pm-11:15 am

1 stop12h 40m

Seattle/Tacoma Intl

Wed 9/16

1:30 pm-7:50 pm

1 stop14h 20m

$1,286

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Sat 8/8

2:30 pm-7:50 pm

2 stops21h 20m

Seattle/Tacoma Intl

Sat 8/15

4:30 pm-7:25 am

1 stop22h 55m

$1,290

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Tue 6/23

2:00 pm-2:22 pm

2 stops16h 22m

Seattle/Tacoma Intl

Wed 9/16

5:40 am-6:55 pm

2 stops21h 15m

$1,297

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

When to book flights from Osaka Itami Airport to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Osaka Itami Airport to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Osaka Itami Airport to Seattle (ITM to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Osaka Itami Airport to Seattle

Fastest flight time	12h 20m
Direct flights	None

The fastest flight from Osaka Itami Airport to Seattle takes 12h 20m

There are no direct flights from Osaka Itami Airport to Seattle. There are no popular flight routes from Osaka Itami Airport to Seattle.

Search flight deals

How far is Osaka Itami to Seattle/Tacoma Intl by plane?
There are 4991.4 mi between Osaka Itami and Seattle/Tacoma Intl. Typically, this will take 12h 20m by plane in normal conditions.
When did momondo last update prices for flights from Osaka Itami Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Osaka Itami Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.
How old do you have to be to fly from Osaka Itami Airport to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Osaka Itami Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

How do I get Price Alerts for flights from Osaka Itami Airport to Seattle?
You can take advantage of momondo’s Price Alerts by first searching for your flights to Osaka Itami Airport from Seattle. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.
How can I save money on flights from Osaka Itami Airport to Seattle with momondo?
With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.
How does momondo find its flight prices?
momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Marysville

Redmond

Puyallup

Cle Elum

Lakewood

Tukwila

Federal Way

Fife

Westport

Kirkland

Centralia

Tumwater

Why use momondo?

Why should I use momondo to find a flight deal from Osaka to Seattle?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Osaka to Seattle. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Osaka to Seattle with flexible booking policies on momondo?

momondo does allow users to show only those flights to Seattle from Osaka which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Osaka to Seattle?

Once all potential Osaka to Seattle flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Osaka to Seattle right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Osaka to Seattle flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.