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Cheap flights from Washington to Osaka from $359

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 8/24. 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
1:25 pm - 7:50 pm
SEA
-
ITM
14h 25m
1 stop
Japan Airlines Logo
1:25 pm - 10:35 am
ITM
-
SEA
13h 10m
1 stop
$691Japan Airlines
Tue, Aug 25 - Thu, Sep 3
Japan Airlines Logo
1:25 pm - 8:25 pm
SEA
-
ITM
15h 00m
1 stop
Japan Airlines Logo
12:25 pm - 10:35 am
ITM
-
SEA
14h 10m
1 stop
$694Japan Airlines
Mon, Aug 24 - Thu, Sep 3
ANA Logo
4:30 pm - 7:25 am
SEA
-
ITM
22h 55m
1 stop
ANA Logo
4:40 pm - 2:25 pm
ITM
-
SEA
13h 45m
1 stop
$695ANA
Sun, May 3 - Tue, May 12
ANA Logo
4:30 pm - 7:25 am
SEA
-
ITM
22h 55m
1 stop
ANA Logo
5:40 pm - 2:25 pm
ITM
-
SEA
12h 45m
1 stop
$698ANA
Tue, Aug 25 - Thu, Sep 3
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
$699ANA
Mon, Apr 20 - Mon, Apr 27
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
$702ANA
Mon, May 4 - Thu, May 14
United Airlines Logo
7:06 am - 5:05 pm
SEA
-
ITM
17h 59m
2 stops
United Airlines Logo
12:50 pm - 2:25 pm
ITM
-
SEA
17h 35m
1 stop
$710United Airlines
Mon, Aug 24 - Fri, Sep 4
United Airlines Logo
7:35 pm - 5:05 pm
SEA
-
ITM
29h 30m
2 stops
United Airlines Logo
12:50 pm - 2:22 pm
ITM
-
SEA
17h 32m
2 stops
$720United Airlines
Mon, Aug 24 - Tue, Sep 1
Multiple Airlines Logo
8:35 am - 8:15 pm
PDX
-
ITM
19h 40m
2 stops
Multiple Airlines Logo
8:20 pm - 8:50 pm
ITM
-
PDX
16h 30m
2 stops
$785Multiple Airlines
Tue, Aug 18 - Mon, Aug 31
Air Canada Logo
10:10 am - 6:55 pm
PDX
-
ITM
16h 45m
2 stops
Air Canada Logo
2:00 pm - 7:06 pm
ITM
-
PDX
21h 06m
2 stops
$868Air Canada
Wed, Jun 3 - Thu, Jun 18

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
May 3
SEA4:30 pmSeattle/Tacoma Intl
22h 55m
1 stop
ITM7:25 amOsaka Itami
May 12
ITM4:40 pmOsaka Itami
13h 45m
1 stop
SEA2:25 pmSeattle/Tacoma Intl
$695
ANA
Aug 25
SEA4:30 pmSeattle/Tacoma Intl
22h 55m
1 stop
ITM7:25 amOsaka Itami
Sep 3
ITM5:40 pmOsaka Itami
12h 45m
1 stop
SEA2:25 pmSeattle/Tacoma Intl
$698
ANA
Apr 20
SEA4:30 pmSeattle/Tacoma Intl
22h 55m
1 stop
ITM7:25 amOsaka Itami
Apr 27
ITM8:20 pmOsaka Itami
34h 05m
1 stop
SEA2:25 pmSeattle/Tacoma Intl
$699

United Airlines flights from State of Washington to Osaka Itami Airport

Our best United Airlines deals on State of Washington to Osaka Itami Airport flight tickets
United Airlines
Aug 24
SEA7:06 amSeattle/Tacoma Intl
17h 59m
2 stops
ITM5:05 pmOsaka Itami
Sep 4
ITM12:50 pmOsaka Itami
17h 35m
1 stop
SEA2:25 pmSeattle/Tacoma Intl
$710
United Airlines
Aug 24
SEA7:35 pmSeattle/Tacoma Intl
29h 30m
2 stops
ITM5:05 pmOsaka Itami
Sep 3
ITM12:50 pmOsaka Itami
17h 32m
2 stops
SEA2:22 pmSeattle/Tacoma Intl
$720
United Airlines
Aug 26
SEA7:06 amSeattle/Tacoma Intl
17h 59m
2 stops
ITM5:05 pmOsaka Itami
Sep 2
ITM12:50 pmOsaka Itami
17h 35m
1 stop
SEA2:25 pmSeattle/Tacoma Intl
$756

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 March 1, 2026.
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 8/25

1:25 pm-7:50 pm

1 stop14h 25m

Osaka Itami

Thu 9/3

1:25 pm-10:35 am

1 stop13h 10m

$691

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Mon 8/24

1:25 pm-8:25 pm

1 stop15h 00m

Osaka Itami

Thu 9/3

12:25 pm-10:35 am

1 stop14h 10m

$694

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Sun 5/3

4:30 pm-7:25 am

1 stop22h 55m

Osaka Itami

Tue 5/12

4:40 pm-2:25 pm

1 stop13h 45m

$695

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Tue 8/25

4:30 pm-7:25 am

1 stop22h 55m

Osaka Itami

Thu 9/3

5:40 pm-2:25 pm

1 stop12h 45m

$698

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Mon 4/20

4:30 pm-7:25 am

1 stop22h 55m

Osaka Itami

Mon 4/27

8:20 pm-2:25 pm

1 stop34h 05m

$699

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Mon 5/4

4:30 pm-7:25 am

1 stop22h 55m

Osaka Itami

Thu 5/14

3:00 pm-2:25 pm

1 stop15h 25m

$702

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Mon 8/24

7:06 am-5:05 pm

2 stops17h 59m

Osaka Itami

Fri 9/4

12:50 pm-2:25 pm

1 stop17h 35m

$710

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Mon 8/24

7:35 pm-5:05 pm

2 stops29h 30m

Osaka Itami

Tue 9/1

12:50 pm-2:22 pm

2 stops17h 32m

$720

PortlandOsaka

PDX - ITM

PDXITM

Portland

Tue 8/18

8:35 am-8:15 pm

2 stops19h 40m

Osaka Itami

Mon 8/31

8:20 pm-8:50 pm

2 stops16h 30m

$785

PortlandOsaka

PDX - ITM

PDXITM

Portland

Wed 6/3

10:10 am-6:55 pm

2 stops16h 45m

Osaka Itami

Thu 6/18

2:00 pm-7:06 pm

2 stops21h 06m

$868

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

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

You could potentially save up to 56% 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 05m

Direct flights

None
The fastest flight from State of Washington to Osaka Itami Airport takes 14h 05m
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
1,107 reviews
Search ANA flights
Japan AirlinesPriceFrom $697Free CancellationRating
8.3
1,720 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.

An easier way to manage your Osaka Itami Airport trip

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