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Cheap flights from Washington to Osaka from $334

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Osaka departing on 1/29. 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
0 bags

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Find the cheapest flights from Washington to Osaka

Cheap round-trip flights

Enter your travel dates to find the best prices.
Japan Airlines Logo
12:30 pm - 7:55 pm
SEA
-
ITM
14h 25m1 stop
Japan Airlines Logo
11:30 am - 9:55 am
ITM
-
SEA
15h 25m1 stop
$622Japan Airlines
Tue, Jan 13 - Tue, Jan 20
Japan Airlines Logo
12:30 pm - 7:55 pm
SEA
-
ITM
14h 25m1 stop
Japan Airlines Logo
9:35 am - 9:55 am
ITM
-
SEA
17h 20m1 stop
$625Japan Airlines
Tue, Jan 13 - Tue, Jan 20
Japan Airlines Logo
12:30 pm - 7:55 pm
SEA
-
ITM
14h 25m1 stop
Japan Airlines Logo
2:40 pm - 8:58 am
ITM
-
SEA
35h 18m2 stops
$628Japan Airlines
Tue, Jan 13 - Tue, Jan 20
Japan Airlines Logo
12:30 pm - 7:50 pm
SEA
-
ITM
14h 20m1 stop
Japan Airlines Logo
2:35 pm - 10:55 am
ITM
-
SEA
12h 20m1 stop
$630Japan Airlines
Tue, Mar 3 - Tue, Mar 10
ANA Logo
3:45 pm - 8:10 am
SEA
-
ITM
23h 25m1 stop
ANA Logo
10:00 am - 1:20 pm
ITM
-
SEA
20h 20m1 stop
$636ANA
Sat, Jan 31 - Sat, Feb 7
ANA Logo
3:45 pm - 7:30 am
SEA
-
ITM
22h 45m1 stop
ANA Logo
6:00 pm - 1:20 pm
ITM
-
SEA
12h 20m1 stop
$638ANA
Sat, Feb 7 - Sun, Feb 15
Multiple Airlines Logo
7:20 am - 7:55 pm
PDX
-
ITM
19h 35m2 stops
Multiple Airlines Logo
8:30 am - 4:50 pm
ITM
-
PDX
25h 20m2 stops
$689Multiple Airlines
Thu, Jan 29 - Tue, Feb 3
Multiple Airlines Logo
2:30 pm - 7:55 pm
PDX
-
ITM
36h 25m2 stops
Multiple Airlines Logo
8:10 pm - 4:50 pm
ITM
-
PDX
37h 40m2 stops
$695Multiple Airlines
Fri, Jan 23 - Wed, Jan 28
American Airlines Logo
6:22 pm - 8:40 am
PDX
-
ITM
21h 18m2 stops
American Airlines Logo
3:25 pm - 5:52 pm
ITM
-
PDX
19h 27m2 stops
$709American Airlines
Sat, Jan 31 - Sat, Feb 7
United Airlines Logo
7:25 am - 5:05 pm
PDX
-
ITM
17h 40m2 stops
United Airlines Logo
12:00 pm - 8:33 pm
ITM
-
PDX
24h 33m2 stops
$752United Airlines
Mon, Apr 13 - Mon, Apr 27

Japan Airlines flights from State of Washington to Osaka Itami Airport

Our best Japan Airlines deals on State of Washington to Osaka Itami Airport flight tickets
Japan Airlines
Jan 29
SEA12:30 pmSeattle/Tacoma Intl
14h 25m
1 stop
ITM7:55 pmOsaka Itami
Feb 5
ITM2:40 pmOsaka Itami
12h 15m
1 stop
SEA9:55 amSeattle/Tacoma Intl
$618
Find similar
Japan Airlines
Jan 13
SEA12:30 pmSeattle/Tacoma Intl
14h 25m
1 stop
ITM7:55 pmOsaka Itami
Jan 20
ITM11:30 amOsaka Itami
15h 25m
1 stop
SEA9:55 amSeattle/Tacoma Intl
$622
Find similar
Japan Airlines
Jan 13
SEA12:30 pmSeattle/Tacoma Intl
14h 35m
1 stop
ITM8:05 pmOsaka Itami
Jan 20
ITM2:30 pmOsaka Itami
35h 28m
2 stops
SEA8:58 amSeattle/Tacoma Intl
$625
Find similar

ANA flights from State of Washington to Osaka Itami Airport

Our best ANA deals on State of Washington to Osaka Itami Airport flight tickets
ANA
Jan 31
SEA3:45 pmSeattle/Tacoma Intl
23h 25m
1 stop
ITM8:10 amOsaka Itami
Feb 7
ITM10:00 amOsaka Itami
20h 20m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$636
Find similar
ANA
Feb 7
SEA3:45 pmSeattle/Tacoma Intl
22h 45m
1 stop
ITM7:30 amOsaka Itami
Feb 15
ITM6:00 pmOsaka Itami
12h 20m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$638
Find similar
ANA
Feb 7
SEA3:45 pmSeattle/Tacoma Intl
23h 25m
1 stop
ITM8:10 amOsaka Itami
Feb 15
ITM4:50 pmOsaka Itami
13h 30m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$639
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington 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 December 18, 2025.
Use the filters below to find and compare flights from Washington to Osaka Itami Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Tue 1/13

12:30 pm-7:55 pm

1 stop14h 25m

Osaka Itami

Tue 1/20

11:30 am-9:55 am

1 stop15h 25m

$622

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Tue 1/13

12:30 pm-7:55 pm

1 stop14h 25m

Osaka Itami

Tue 1/20

9:35 am-9:55 am

1 stop17h 20m

$625

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Tue 1/13

12:30 pm-7:55 pm

1 stop14h 25m

Osaka Itami

Tue 1/20

2:40 pm-8:58 am

2 stops35h 18m

$628

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Tue 3/3

12:30 pm-7:50 pm

1 stop14h 20m

Osaka Itami

Tue 3/10

2:35 pm-10:55 am

1 stop12h 20m

$630

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Sat 1/31

3:45 pm-8:10 am

1 stop23h 25m

Osaka Itami

Sat 2/7

10:00 am-1:20 pm

1 stop20h 20m

$636

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Sat 2/7

3:45 pm-7:30 am

1 stop22h 45m

Osaka Itami

Sun 2/15

6:00 pm-1:20 pm

1 stop12h 20m

$638

PortlandOsaka

PDX - ITM

PDXITM

Portland

Thu 1/29

7:20 am-7:55 pm

2 stops19h 35m

Osaka Itami

Tue 2/3

8:30 am-4:50 pm

2 stops25h 20m

$689

PortlandOsaka

PDX - ITM

PDXITM

Portland

Fri 1/23

2:30 pm-7:55 pm

2 stops36h 25m

Osaka Itami

Wed 1/28

8:10 pm-4:50 pm

2 stops37h 40m

$695

PortlandOsaka

PDX - ITM

PDXITM

Portland

Sat 1/31

6:22 pm-8:40 am

2 stops21h 18m

Osaka Itami

Sat 2/7

3:25 pm-5:52 pm

2 stops19h 27m

$709

PortlandOsaka

PDX - ITM

PDXITM

Portland

Mon 4/13

7:25 am-5:05 pm

2 stops17h 40m

Osaka Itami

Mon 4/27

12:00 pm-8:33 pm

2 stops24h 33m

$752

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 State of Washington 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 cheapest month to fly to Osaka Itami Airport?

If you are unable to visit Osaka Itami Airport during the month of March, then departing from State of Washington during the month September is also very affordable. Most momondo users find prices during this month for around $742.

What is the cheapest day to depart on your flight to Osaka Itami Airport?

The cheapest day to depart on your flight to Osaka Itami Airport is on a Thursday when prices can be found for as low as $1,274. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Osaka Itami Airport is Wednesday, with ticket prices averaging around $2,058.

What is the cheapest time of day to depart on your flight to Osaka Itami Airport?

Flying to Osaka Itami Airport from State of Washington in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,335 when looking at flights departing in the morning. Flights in the afternoon are often more expensive with an average ticket price of $1,636.

Can stopping save me money on State of Washington to Osaka Itami Airport flights?

You could potentially save up to 27% on your flight if you consider stops on a State of Washington to Osaka Itami Airport flight.

Cheap State of Washington to Osaka Itami Airport flight deals and tips

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

Fastest flight time

14h 20m

Direct flights

None
The fastest flight from State of Washington to Osaka Itami Airport takes 14h 20m
There are no direct flights from State of Washington to Osaka Itami Airport. There are no popular flight routes from State of Washington to Osaka Itami Airport.
Search flight deals

  • When did momondo last update prices for flights from Washington to Osaka Itami Airport?

    Prices for flights from Washington to Osaka Itami Airport are updated daily.

  • How many operators does momondo search for flights from Washington to Osaka Itami Airport?

  • How old do you have to be to fly from Washington to Osaka Itami Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Osaka Itami Airport.

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

    The travel and health documents you'll need for your trip to Osaka Itami Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Osaka Itami Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from State of Washington to Osaka Itami Airport

Compare and see reviews for airlines that fly from State of Washington to Osaka Itami Airport with momondo
Airline
Rating
Free Cancellation
Price
ANAPriceFrom $659Free CancellationRating
8.4
1,027 reviews
Search ANA flights
Japan AirlinesPriceFrom $697Free CancellationRating
8.3
1,662 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 Washington to Osaka?

Finding the right flight to Osaka from Washington is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Osaka quick and easy, saving you time and money.

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

Yes. All flights to Osaka from Washington on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to Osaka from Washington. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Washington to Osaka flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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