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Cheap flights from Seattle to Osaka from $512

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 7/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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.
Air Canada Logo
5:45 am - 6:55 pm
SEA
-
ITM
21h 10m
2 stops
Air Canada Logo
2:00 pm - 6:32 pm
ITM
-
SEA
20h 32m
2 stops
$1,004Air Canada
Tue, Sep 1 - Mon, Sep 14
Air Canada Logo
5:40 am - 6:55 pm
SEA
-
ITM
21h 15m
2 stops
Air Canada Logo
2:00 pm - 2:22 pm
ITM
-
SEA
16h 22m
2 stops
$1,014Air Canada
Wed, Sep 16 - Mon, Sep 28
Air Canada Logo
5:40 am - 6:55 pm
SEA
-
ITM
21h 15m
2 stops
Air Canada Logo
2:00 pm - 10:42 pm
ITM
-
SEA
24h 42m
2 stops
$1,038Air Canada
Wed, Sep 30 - Thu, Oct 8
Japan Airlines Logo
8:40 am - 7:50 pm
SEA
-
ITM
19h 10m
2 stops
Japan Airlines Logo
2:30 pm - 10:50 am
ITM
-
SEA
12h 20m
1 stop
$1,048Japan Airlines
Wed, Aug 19 - Wed, Aug 26
ANA Logo
3:40 pm - 10:10 am
SEA
-
ITM
25h 30m
1 stop
ANA Logo
2:00 pm - 1:20 pm
ITM
-
SEA
16h 20m
1 stop
$1,055ANA
Sun, Nov 8 - Fri, Nov 20
ANA Logo
4:30 pm - 9:20 am
SEA
-
ITM
24h 50m
1 stop
ANA Logo
8:20 pm - 2:25 pm
ITM
-
SEA
34h 05m
1 stop
$1,059ANA
Mon, Jul 20 - Tue, Aug 11
Japan Airlines Logo
1:25 pm - 7:50 pm
SEA
-
ITM
14h 25m
1 stop
Japan Airlines Logo
2:30 pm - 10:50 am
ITM
-
SEA
12h 20m
1 stop
$1,069Japan Airlines
Tue, Aug 4 - Tue, Aug 25
ANA Logo
8:40 am - 6:55 pm
SEA
-
ITM
18h 15m
2 stops
ANA Logo
3:40 pm - 2:25 pm
ITM
-
SEA
14h 45m
1 stop
$1,074ANA
Wed, Sep 30 - Thu, Oct 8
ANA Logo
4:30 pm - 8:05 am
SEA
-
ITM
23h 35m
1 stop
ANA Logo
3:00 pm - 2:25 pm
ITM
-
SEA
15h 25m
1 stop
$1,075ANA
Wed, Sep 30 - Thu, Oct 8
ANA Logo
8:40 am - 6:55 pm
SEA
-
ITM
18h 15m
2 stops
ANA Logo
8:20 pm - 8:48 pm
ITM
-
SEA
16h 28m
2 stops
$1,079ANA
Wed, Oct 21 - Wed, Oct 28

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 4
SEA4:30 pmSeattle/Tacoma Intl
32h 35m
1 stop
ITM5:05 pmOsaka Itami
Oct 21
ITM12:55 pmOsaka Itami
17h 30m
1 stop
SEA2:25 pmSeattle/Tacoma Intl
$1,082
United Airlines
Oct 6
SEA6:29 amSeattle/Tacoma Intl
42h 36m
2 stops
ITM5:05 pmOsaka Itami
Oct 21
ITM12:55 pmOsaka Itami
17h 30m
1 stop
SEA2:25 pmSeattle/Tacoma Intl
$1,087
United Airlines
Oct 4
SEA4:30 pmSeattle/Tacoma Intl
32h 35m
1 stop
ITM5:05 pmOsaka Itami
Oct 22
ITM12:55 pmOsaka Itami
19h 19m
2 stops
SEA4:14 pmSeattle/Tacoma Intl
$1,092

Air Canada flights from Seattle to Osaka Itami Airport

Our best Air Canada deals on Seattle to Osaka Itami Airport flight tickets
Air Canada
Sep 1
SEA5:45 amSeattle/Tacoma Intl
21h 10m
2 stops
ITM6:55 pmOsaka Itami
Sep 14
ITM2:00 pmOsaka Itami
20h 32m
2 stops
SEA6:32 pmSeattle/Tacoma Intl
$1,004
Air Canada
Sep 30
SEA5:40 amSeattle/Tacoma Intl
21h 15m
2 stops
ITM6:55 pmOsaka Itami
Oct 8
ITM2:00 pmOsaka Itami
24h 42m
2 stops
SEA10:42 pmSeattle/Tacoma Intl
$1,038
Air Canada
Sep 30
SEA5:40 amSeattle/Tacoma Intl
21h 15m
2 stops
ITM6:55 pmOsaka Itami
Oct 8
ITM2:00 pmOsaka Itami
20h 32m
2 stops
SEA6:32 pmSeattle/Tacoma Intl
$1,102

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 May 24, 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

Tue 9/1

5:45 am-6:55 pm

2 stops21h 10m

Osaka Itami

Mon 9/14

2:00 pm-6:32 pm

2 stops20h 32m

$1,004

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Wed 9/16

5:40 am-6:55 pm

2 stops21h 15m

Osaka Itami

Mon 9/28

2:00 pm-2:22 pm

2 stops16h 22m

$1,014

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Wed 9/30

5:40 am-6:55 pm

2 stops21h 15m

Osaka Itami

Thu 10/8

2:00 pm-10:42 pm

2 stops24h 42m

$1,038

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Wed 8/19

8:40 am-7:50 pm

2 stops19h 10m

Osaka Itami

Wed 8/26

2:30 pm-10:50 am

1 stop12h 20m

$1,048

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Sun 11/8

3:40 pm-10:10 am

1 stop25h 30m

Osaka Itami

Fri 11/20

2:00 pm-1:20 pm

1 stop16h 20m

$1,055

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Mon 7/20

4:30 pm-9:20 am

1 stop24h 50m

Osaka Itami

Tue 8/11

8:20 pm-2:25 pm

1 stop34h 05m

$1,059
Quickest round-trip

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Tue 8/4

1:25 pm-7:50 pm

1 stop14h 25m

Osaka Itami

Tue 8/25

2:30 pm-10:50 am

1 stop12h 20m

$1,069

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Wed 9/30

8:40 am-6:55 pm

2 stops18h 15m

Osaka Itami

Thu 10/8

3:40 pm-2:25 pm

1 stop14h 45m

$1,074

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Wed 9/30

4:30 pm-8:05 am

1 stop23h 35m

Osaka Itami

Thu 10/8

3:00 pm-2:25 pm

1 stop15h 25m

$1,075

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Wed 10/21

8:40 am-6:55 pm

2 stops18h 15m

Osaka Itami

Wed 10/28

8:20 pm-8:48 pm

2 stops16h 28m

$1,079

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

What is the typical price of a round-trip flight between Seattle and Osaka Itami Airport?

What is the cheapest month to fly to Osaka Itami Airport?

If you are unable to visit Osaka Itami Airport during the month of January, then departing from Seattle during the month August is also very affordable. Most momondo users find prices during this month for around $687.

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

You could potentially save up to 35% 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

18h 05m

Direct flights

None
The fastest flight from Seattle to Osaka Itami Airport takes 18h 05m
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. 18h 05m 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
8.3
1,213 reviews
Search ANA flights
Japan AirlinesPriceFrom $697Free CancellationRating
8.3
1,824 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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