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.

$576 Cheap Flights from Osaka Itami Airport to Seattle in 2026

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.

5:40 pm - 2:25 pmITM Osaka Itami-SEA Seattle/Tacoma Intl

12h 45m1 stop Tokyo Haneda

4:30 pm - 8:05 amSEA Seattle/Tacoma Intl-ITM Osaka Itami

23h 35m1 stop Tokyo Haneda

$1,367ANA

Thu, Sep 17 - Sun, Sep 27

4:40 pm - 2:25 pmITM Osaka Itami-SEA Seattle/Tacoma Intl

13h 45m1 stop Tokyo Haneda

4:30 pm - 7:25 amSEA Seattle/Tacoma Intl-ITM Osaka Itami

22h 55m1 stop Tokyo Haneda

$1,381ANA

Mon, Sep 21 - Mon, Sep 28

5:40 pm - 2:25 pmITM Osaka Itami-SEA Seattle/Tacoma Intl

12h 45m1 stop Tokyo Haneda

4:30 pm - 7:25 amSEA Seattle/Tacoma Intl-ITM Osaka Itami

22h 55m1 stop Tokyo Haneda

$1,399ANA

Tue, Sep 22 - Sun, Sep 27

5:40 pm - 2:25 pmITM Osaka Itami-SEA Seattle/Tacoma Intl

12h 45m1 stop Tokyo Haneda

4:30 pm - 9:20 amSEA Seattle/Tacoma Intl-ITM Osaka Itami

24h 50m1 stop Tokyo Haneda

$1,401ANA

Tue, Sep 15 - Mon, Sep 21

4:40 pm - 2:25 pmITM Osaka Itami-SEA Seattle/Tacoma Intl

13h 45m1 stop Tokyo Haneda

4:30 pm - 7:25 amSEA Seattle/Tacoma Intl-ITM Osaka Itami

22h 55m1 stop Tokyo Haneda

$1,408ANA

Sun, Sep 27 - Sun, Oct 4

5:40 pm - 2:25 pmITM Osaka Itami-SEA Seattle/Tacoma Intl

12h 45m1 stop Tokyo Haneda

4:30 pm - 9:20 amSEA Seattle/Tacoma Intl-ITM Osaka Itami

24h 50m1 stop Tokyo Haneda

$1,409ANA

Wed, Sep 30 - Fri, Oct 9

5:40 pm - 2:25 pmITM Osaka Itami-SEA Seattle/Tacoma Intl

12h 45m1 stop Tokyo Haneda

4:30 pm - 7:25 amSEA Seattle/Tacoma Intl-ITM Osaka Itami

22h 55m1 stop Tokyo Haneda

$1,411ANA

Thu, Sep 24 - Sat, Oct 17

8:20 pm - 2:25 pmITM Osaka Itami-SEA Seattle/Tacoma Intl

34h 05m1 stop Tokyo Haneda

4:30 pm - 8:15 pmSEA Seattle/Tacoma Intl-ITM Osaka Itami

35h 45m1 stop Tokyo Haneda

$1,412ANA

Fri, Sep 18 - Mon, Sep 28

5:40 pm - 2:25 pmITM Osaka Itami-SEA Seattle/Tacoma Intl

12h 45m1 stop Tokyo Haneda

4:30 pm - 7:25 amSEA Seattle/Tacoma Intl-ITM Osaka Itami

22h 55m1 stop Tokyo Haneda

$1,413ANA

Thu, Sep 24 - Thu, Oct 1

5:40 pm - 2:25 pmITM Osaka Itami-SEA Seattle/Tacoma Intl

12h 45m1 stop Tokyo Haneda

4:30 pm - 7:25 amSEA Seattle/Tacoma Intl-ITM Osaka Itami

22h 55m1 stop Tokyo Haneda

$1,415ANA

Sat, Sep 19 - Sun, Sep 27

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ANA flights from Osaka Itami Airport to Seattle

Our best ANA deals on Osaka Itami Airport to Seattle flight tickets

ANA

Sep 17

ITM5:40 pmOsaka Itami

12h 45m

1 stop

SEA2:25 pmSeattle/Tacoma Intl

Sep 27

SEA4:30 pmSeattle/Tacoma Intl

23h 35m

1 stop

ITM8:05 amOsaka Itami

$1,367

ANA

Sep 21

ITM4:40 pmOsaka Itami

13h 45m

1 stop

SEA2:25 pmSeattle/Tacoma Intl

Sep 28

SEA4:30 pmSeattle/Tacoma Intl

22h 55m

1 stop

ITM7:25 amOsaka Itami

$1,381

ANA

Sep 22

ITM5:40 pmOsaka Itami

12h 45m

1 stop

SEA2:25 pmSeattle/Tacoma Intl

Sep 27

SEA4:30 pmSeattle/Tacoma Intl

22h 55m

1 stop

ITM7:25 amOsaka Itami

$1,399

Qatar Airways flights from Osaka Itami Airport to Seattle

Our best Qatar Airways deals on Osaka Itami Airport to Seattle flight tickets

Qatar Airways

Sep 30

ITM4:50 pmOsaka Itami

59h 35m

2 stops

SEA12:25 pmSeattle/Tacoma Intl

Oct 6

SEA4:25 pmSeattle/Tacoma Intl

35h 25m

2 stops

ITM7:50 pmOsaka Itami

$1,594

Qatar Airways

Sep 30

ITM4:30 pmOsaka Itami

35h 55m

2 stops

SEA12:25 pmSeattle/Tacoma Intl

Oct 8

SEA4:25 pmSeattle/Tacoma Intl

47h 10m

2 stops

ITM7:35 amOsaka Itami

$1,596

Qatar Airways

Oct 3

ITM5:00 pmOsaka Itami

35h 25m

2 stops

SEA12:25 pmSeattle/Tacoma Intl

Oct 5

SEA4:25 pmSeattle/Tacoma Intl

35h 25m

2 stops

ITM7:50 pmOsaka Itami

$1,625

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

Cheapest round-trip

OsakaSeattle

ITM Osaka Itami - SEA Seattle/Tacoma Intl

ITMSEA

Osaka Itami

Thu 9/17

5:40 pm-2:25 pm

1 stop12h 45m

Seattle/Tacoma Intl

Sun 9/27

4:30 pm-8:05 am

1 stop23h 35m

$1,367

OsakaSeattle

ITM Osaka Itami - SEA Seattle/Tacoma Intl

ITMSEA

Osaka Itami

Mon 9/21

4:40 pm-2:25 pm

1 stop13h 45m

Seattle/Tacoma Intl

Mon 9/28

4:30 pm-7:25 am

1 stop22h 55m

$1,381

Quickest round-trip

OsakaSeattle

ITM Osaka Itami - SEA Seattle/Tacoma Intl

ITMSEA

Osaka Itami

Tue 9/22

5:40 pm-2:25 pm

1 stop12h 45m

Seattle/Tacoma Intl

Sun 9/27

4:30 pm-7:25 am

1 stop22h 55m

$1,399

OsakaSeattle

ITM Osaka Itami - SEA Seattle/Tacoma Intl

ITMSEA

Osaka Itami

Tue 9/15

5:40 pm-2:25 pm

1 stop12h 45m

Seattle/Tacoma Intl

Mon 9/21

4:30 pm-9:20 am

1 stop24h 50m

$1,401

OsakaSeattle

ITM Osaka Itami - SEA Seattle/Tacoma Intl

ITMSEA

Osaka Itami

Sun 9/27

4:40 pm-2:25 pm

1 stop13h 45m

Seattle/Tacoma Intl

Sun 10/4

4:30 pm-7:25 am

1 stop22h 55m

$1,408

OsakaSeattle

ITM Osaka Itami - SEA Seattle/Tacoma Intl

ITMSEA

Osaka Itami

Wed 9/30

5:40 pm-2:25 pm

1 stop12h 45m

Seattle/Tacoma Intl

Fri 10/9

4:30 pm-9:20 am

1 stop24h 50m

$1,409

OsakaSeattle

ITM Osaka Itami - SEA Seattle/Tacoma Intl

ITMSEA

Osaka Itami

Thu 9/24

5:40 pm-2:25 pm

1 stop12h 45m

Seattle/Tacoma Intl

Sat 10/17

4:30 pm-7:25 am

1 stop22h 55m

$1,411

OsakaSeattle

ITM Osaka Itami - SEA Seattle/Tacoma Intl

ITMSEA

Osaka Itami

Fri 9/18

8:20 pm-2:25 pm

1 stop34h 05m

Seattle/Tacoma Intl

Mon 9/28

4:30 pm-8:15 pm

1 stop35h 45m

$1,412

OsakaSeattle

ITM Osaka Itami - SEA Seattle/Tacoma Intl

ITMSEA

Osaka Itami

Thu 9/24

5:40 pm-2:25 pm

1 stop12h 45m

Seattle/Tacoma Intl

Thu 10/1

4:30 pm-7:25 am

1 stop22h 55m

$1,413

OsakaSeattle

ITM Osaka Itami - SEA Seattle/Tacoma Intl

ITMSEA

Osaka Itami

Sat 9/19

5:40 pm-2:25 pm

1 stop12h 45m

Seattle/Tacoma Intl

Sun 9/27

4:30 pm-7:25 am

1 stop22h 55m

$1,415

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Osaka Itami Airport to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Osaka Itami to Seattle/Tacoma Intl?

Alaska Airlines is the most popular carrier operating from Osaka Itami to Seattle/Tacoma Intl

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 35m
Direct flights	None

The fastest flight from Osaka Itami Airport to Seattle takes 12h 35m

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

Frequently asked questions about flying from Osaka Itami Airport to Seattle

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 35m 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.

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Kent

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Why use momondo?

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

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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.