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Cheap flights from Seattle to Osaka from $473

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Osaka departing on 5/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Seattle to Osaka

Cheap round-trip flights

Enter your travel dates to find the best prices.
ANA Logo
4:30 pm - 10:05 am
SEA
-
ITM
25h 35m
1 stop
ANA Logo
12:00 pm - 1:20 pm
ITM
-
SEA
18h 20m
1 stop
$829ANA
Mon, Oct 5 - Tue, Nov 17
ANA Logo
4:30 pm - 10:05 am
SEA
-
ITM
25h 35m
1 stop
ANA Logo
8:20 pm - 2:25 pm
ITM
-
SEA
34h 05m
1 stop
$830ANA
Mon, Aug 24 - Mon, Aug 31
ANA Logo
4:30 pm - 7:25 am
SEA
-
ITM
22h 55m
1 stop
ANA Logo
3:00 pm - 2:25 pm
ITM
-
SEA
15h 25m
1 stop
$832ANA
Mon, May 4 - Fri, May 15
ANA Logo
4:30 pm - 7:25 am
SEA
-
ITM
22h 55m
1 stop
ANA Logo
5:45 pm - 2:25 pm
ITM
-
SEA
12h 40m
1 stop
$833ANA
Wed, May 6 - Fri, May 15
ANA Logo
4:30 pm - 8:05 am
SEA
-
ITM
23h 35m
1 stop
ANA Logo
8:20 pm - 2:25 pm
ITM
-
SEA
34h 05m
1 stop
$836ANA
Wed, Apr 29 - Mon, May 11
ANA Logo
8:38 am - 6:55 pm
SEA
-
ITM
18h 17m
2 stops
ANA Logo
3:30 pm - 2:25 pm
ITM
-
SEA
14h 55m
1 stop
$838ANA
Tue, Sep 8 - Fri, Sep 18
ANA Logo
4:30 pm - 8:05 am
SEA
-
ITM
23h 35m
1 stop
ANA Logo
4:40 pm - 2:25 pm
ITM
-
SEA
13h 45m
1 stop
$839ANA
Wed, Sep 30 - Thu, Oct 8
ANA Logo
4:30 pm - 7:25 am
SEA
-
ITM
22h 55m
1 stop
ANA Logo
5:45 pm - 2:25 pm
ITM
-
SEA
12h 40m
1 stop
$842ANA
Sun, May 3 - Thu, May 14
ANA Logo
4:30 pm - 7:25 am
SEA
-
ITM
22h 55m
1 stop
ANA Logo
8:20 pm - 2:25 pm
ITM
-
SEA
34h 05m
1 stop
$845ANA
Mon, Sep 7 - Mon, Sep 21
United Airlines Logo
4:30 pm - 5:05 pm
SEA
-
ITM
32h 35m
1 stop
United Airlines Logo
1:00 pm - 2:20 pm
ITM
-
SEA
17h 20m
1 stop
$846United Airlines
Sun, Oct 11 - Wed, Oct 28

ANA flights from Seattle to Osaka Itami Airport

Our best ANA deals on Seattle to Osaka Itami Airport flight tickets
ANA
Oct 5
SEA4:30 pmSeattle/Tacoma Intl
25h 35m
1 stop
ITM10:05 amOsaka Itami
Nov 17
ITM12:00 pmOsaka Itami
18h 20m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$829
ANA
Aug 24
SEA4:30 pmSeattle/Tacoma Intl
25h 35m
1 stop
ITM10:05 amOsaka Itami
Aug 31
ITM8:20 pmOsaka Itami
34h 05m
1 stop
SEA2:25 pmSeattle/Tacoma Intl
$830
ANA
May 4
SEA4:30 pmSeattle/Tacoma Intl
22h 55m
1 stop
ITM7:25 amOsaka Itami
May 15
ITM3:00 pmOsaka Itami
15h 25m
1 stop
SEA2:25 pmSeattle/Tacoma Intl
$832

United Airlines flights from Seattle to Osaka Itami Airport

Our best United Airlines deals on Seattle to Osaka Itami Airport flight tickets
United Airlines
Oct 11
SEA4:30 pmSeattle/Tacoma Intl
32h 35m
1 stop
ITM5:05 pmOsaka Itami
Oct 28
ITM1:00 pmOsaka Itami
17h 20m
1 stop
SEA2:20 pmSeattle/Tacoma Intl
$846
United Airlines
Oct 11
SEA4:30 pmSeattle/Tacoma Intl
32h 35m
1 stop
ITM5:05 pmOsaka Itami
Oct 29
ITM1:00 pmOsaka Itami
22h 08m
2 stops
SEA7:08 pmSeattle/Tacoma Intl
$856
United Airlines
Aug 4
SEA7:00 amSeattle/Tacoma Intl
18h 05m
2 stops
ITM5:05 pmOsaka Itami
Aug 25
ITM12:50 pmOsaka Itami
21h 39m
2 stops
SEA6:29 pmSeattle/Tacoma Intl
$861

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Osaka Itami Airport 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, momondo users made 832,500 searches. Data last updated April 14, 2026.
Use the filters below to find and compare flights from Seattle to Osaka Itami Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Mon 10/5

4:30 pm-10:05 am

1 stop25h 35m

Osaka Itami

Tue 11/17

12:00 pm-1:20 pm

1 stop18h 20m

$829

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Mon 8/24

4:30 pm-10:05 am

1 stop25h 35m

Osaka Itami

Mon 8/31

8:20 pm-2:25 pm

1 stop34h 05m

$830

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Mon 5/4

4:30 pm-7:25 am

1 stop22h 55m

Osaka Itami

Fri 5/15

3:00 pm-2:25 pm

1 stop15h 25m

$832

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Wed 5/6

4:30 pm-7:25 am

1 stop22h 55m

Osaka Itami

Fri 5/15

5:45 pm-2:25 pm

1 stop12h 40m

$833

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Wed 4/29

4:30 pm-8:05 am

1 stop23h 35m

Osaka Itami

Mon 5/11

8:20 pm-2:25 pm

1 stop34h 05m

$836
Quickest round-trip

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Tue 9/8

8:38 am-6:55 pm

2 stops18h 17m

Osaka Itami

Fri 9/18

3:30 pm-2:25 pm

1 stop14h 55m

$838

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Wed 9/30

4:30 pm-8:05 am

1 stop23h 35m

Osaka Itami

Thu 10/8

4:40 pm-2:25 pm

1 stop13h 45m

$839

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Sun 5/3

4:30 pm-7:25 am

1 stop22h 55m

Osaka Itami

Thu 5/14

5:45 pm-2:25 pm

1 stop12h 40m

$842

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Mon 9/7

4:30 pm-7:25 am

1 stop22h 55m

Osaka Itami

Mon 9/21

8:20 pm-2:25 pm

1 stop34h 05m

$845

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Sun 10/11

4:30 pm-5:05 pm

1 stop32h 35m

Osaka Itami

Wed 10/28

1:00 pm-2:20 pm

1 stop17h 20m

$846

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

See travel insights to Osaka from

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

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

Can stopping save me money on Seattle to Osaka Itami Airport flights?

You could potentially save up to 41% on your flight if you consider stops on a Seattle to Osaka Itami Airport flight.

When to book flights from Seattle to Osaka Itami Airport

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

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

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

Fastest flight time

14h 00m

Direct flights

None
The fastest flight from Seattle to Osaka Itami Airport takes 14h 00m
There are no direct flights from Seattle to Osaka Itami Airport. There are no popular flight routes from Seattle to Osaka Itami Airport.
Search flight deals

Frequently asked questions about flying from Seattle to Osaka Itami Airport

  • How far is Seattle/Tacoma Intl to Osaka Itami by plane?

    There are 4991.4 mi between Seattle/Tacoma Intl and Osaka Itami. 14h 00m is a normal flight duration for this route.

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

    Prices for flights from Seattle/Tacoma Intl Airport to Osaka Itami Airport were last updated today.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Osaka Itami Airport?

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Osaka Itami Airport.

  • What documentation or ID do you need to fly to Osaka Itami Airport?

    The necessary travel and health documents for your Osaka Itami Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Seattle to Osaka Itami Airport?

Best airlines flying from Seattle to Osaka Itami Airport

Compare and see reviews for airlines that fly from Seattle to Osaka Itami Airport with momondo
Airline
Rating
Free Cancellation
Price
ANAPriceFrom $659Free CancellationRating
8.4
1,173 reviews
Search ANA flights
Japan AirlinesPriceFrom $697Free CancellationRating
8.3
1,780 reviews
Search Japan Airlines flights

Traveling to a place near Osaka?

Book flights to Osaka if you plan to visit one of these locations
Nara
Nishinomiya

Why use momondo?

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

It is quick and easy to find Seattle to Osaka flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Osaka that suits you.

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

All flight searches from Seattle to Osaka on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Seattle to Osaka 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 Seattle to Osaka right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Osaka from Seattle. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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