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Cheap flights from Seattle to Osaka from $382

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 8/29. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Seattle to Osaka

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:05 pm - 7:55 pm
SEA
-
ITM
31h 50m
2 stops
Multiple Airlines Logo
2:05 pm - 6:22 pm
ITM
-
SEA
21h 17m
2 stops
$1,020Multiple Airlines
Sat, Jan 16 - Sun, Feb 21
United Airlines Logo
1:16 pm - 6:10 pm
SEA
-
ITM
35h 54m
2 stops
United Airlines Logo
1:00 pm - 1:20 pm
ITM
-
SEA
17h 20m
1 stop
$1,108United Airlines
Sat, Jan 16 - Wed, Feb 17
Multiple Airlines Logo
4:30 pm - 7:25 am
SEA
-
ITM
22h 55m
1 stop
Multiple Airlines Logo
8:00 am - 6:26 pm
ITM
-
SEA
26h 26m
2 stops
$1,140Multiple Airlines
Mon, Oct 19 - Sat, Oct 31
Air Canada Logo
5:50 am - 6:55 pm
SEA
-
ITM
21h 05m
2 stops
Air Canada Logo
2:00 pm - 6:32 pm
ITM
-
SEA
20h 32m
2 stops
$1,142Air Canada
Mon, Sep 7 - Mon, Sep 21
ANA Logo
5:20 pm - 7:25 am
SEA
-
ITM
22h 05m
2 stops
ANA Logo
3:30 pm - 2:25 pm
ITM
-
SEA
14h 55m
1 stop
$1,145ANA
Sat, Aug 22 - Fri, Sep 4
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
$1,153Japan Airlines
Tue, Aug 18 - Wed, Aug 26
Multiple Airlines Logo
4:30 pm - 7:25 am
SEA
-
ITM
22h 55m
1 stop
Multiple Airlines Logo
2:35 pm - 9:25 pm
ITM
-
SEA
22h 50m
2 stops
$1,154Multiple Airlines
Tue, Sep 29 - Wed, Oct 14
Multiple Airlines Logo
4:30 pm - 7:25 am
SEA
-
ITM
22h 55m
1 stop
Multiple Airlines Logo
12:00 pm - 8:20 am
ITM
-
SEA
36h 20m
2 stops
$1,157Multiple Airlines
Tue, Oct 6 - Fri, Oct 16
Air Canada Logo
7:20 pm - 6:55 pm
SEA
-
ITM
31h 35m
2 stops
Air Canada Logo
2:00 pm - 6:32 pm
ITM
-
SEA
20h 32m
2 stops
$1,163Air Canada
Tue, Sep 1 - Thu, Sep 10
Japan Airlines Logo
1:25 pm - 7:50 pm
SEA
-
ITM
14h 25m
1 stop
Japan Airlines Logo
8:20 am - 4:07 pm
ITM
-
SEA
23h 47m
2 stops
$1,166Japan Airlines
Tue, Aug 4 - Tue, Aug 25

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Japan Airlines flights from Seattle to Osaka Itami Airport

Our best Japan Airlines deals on Seattle to Osaka Itami Airport flight tickets
Japan Airlines
Aug 18
SEA1:25 pmSeattle/Tacoma Intl
14h 25m
1 stop
ITM7:50 pmOsaka Itami
Aug 26
ITM2:30 pmOsaka Itami
12h 20m
1 stop
SEA10:50 amSeattle/Tacoma Intl
$1,153
Japan Airlines
Aug 4
SEA1:25 pmSeattle/Tacoma Intl
14h 25m
1 stop
ITM7:50 pmOsaka Itami
Aug 25
ITM8:20 amOsaka Itami
23h 47m
2 stops
SEA4:07 pmSeattle/Tacoma Intl
$1,166
Japan Airlines
Aug 5
SEA1:25 pmSeattle/Tacoma Intl
14h 25m
1 stop
ITM7:50 pmOsaka Itami
Aug 26
ITM11:25 amOsaka Itami
15h 25m
1 stop
SEA10:50 amSeattle/Tacoma Intl
$1,170

ANA flights from Seattle to Osaka Itami Airport

Our best ANA deals on Seattle to Osaka Itami Airport flight tickets
ANA
Aug 22
SEA5:20 pmSeattle/Tacoma Intl
22h 05m
2 stops
ITM7:25 amOsaka Itami
Sep 4
ITM3:30 pmOsaka Itami
14h 55m
1 stop
SEA2:25 pmSeattle/Tacoma Intl
$1,145
ANA
Jul 21
SEA5:20 pmSeattle/Tacoma Intl
24h 45m
2 stops
ITM10:05 amOsaka Itami
Jul 23
ITM5:40 pmOsaka Itami
12h 45m
1 stop
SEA2:25 pmSeattle/Tacoma Intl
$1,181
ANA
Jan 16
SEA7:32 pmSeattle/Tacoma Intl
19h 38m
2 stops
ITM8:10 amOsaka Itami
Feb 21
ITM4:50 pmOsaka Itami
13h 30m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$1,183

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 July 20, 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

Sat 1/16

7:05 pm-7:55 pm

2 stops31h 50m

Osaka Itami

Sun 2/21

2:05 pm-6:22 pm

2 stops21h 17m

$1,020

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Sat 1/16

1:16 pm-6:10 pm

2 stops35h 54m

Osaka Itami

Wed 2/17

1:00 pm-1:20 pm

1 stop17h 20m

$1,108

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Mon 10/19

4:30 pm-7:25 am

1 stop22h 55m

Osaka Itami

Sat 10/31

8:00 am-6:26 pm

2 stops26h 26m

$1,140

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Mon 9/7

5:50 am-6:55 pm

2 stops21h 05m

Osaka Itami

Mon 9/21

2:00 pm-6:32 pm

2 stops20h 32m

$1,142

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Sat 8/22

5:20 pm-7:25 am

2 stops22h 05m

Osaka Itami

Fri 9/4

3:30 pm-2:25 pm

1 stop14h 55m

$1,145
Quickest round-trip

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Tue 8/18

1:25 pm-7:50 pm

1 stop14h 25m

Osaka Itami

Wed 8/26

2:30 pm-10:50 am

1 stop12h 20m

$1,153

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Tue 9/29

4:30 pm-7:25 am

1 stop22h 55m

Osaka Itami

Wed 10/14

2:35 pm-9:25 pm

2 stops22h 50m

$1,154

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Tue 10/6

4:30 pm-7:25 am

1 stop22h 55m

Osaka Itami

Fri 10/16

12:00 pm-8:20 am

2 stops36h 20m

$1,157

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Tue 9/1

7:20 pm-6:55 pm

2 stops31h 35m

Osaka Itami

Thu 9/10

2:00 pm-6:32 pm

2 stops20h 32m

$1,163

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Tue 8/4

1:25 pm-7:50 pm

1 stop14h 25m

Osaka Itami

Tue 8/25

8:20 am-4:07 pm

2 stops23h 47m

$1,166

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

14h 25m

Direct flights

None
The fastest flight from Seattle to Osaka Itami Airport takes 14h 25m
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 25m 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
1,274 reviews
Search ANA flights
Japan AirlinesPriceFrom $697Free CancellationRating
8.3
1,878 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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