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Cheap flights from Washington to Osaka from $497

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 7/12. 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 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
2:30 pm - 10:50 am
ITM
-
SEA
12h 20m
1 stop
$1,037Japan Airlines
Wed, Aug 5 - Fri, Aug 21
Multiple Airlines Logo
7:45 pm - 7:50 pm
PDX
-
ITM
32h 05m
2 stops
Multiple Airlines Logo
2:00 pm - 2:46 pm
ITM
-
PDX
16h 46m
2 stops
$1,045Multiple Airlines
Thu, Aug 27 - Tue, Sep 8
Air Canada Logo
7:45 pm - 6:55 pm
PDX
-
ITM
31h 10m
2 stops
Air Canada Logo
2:00 pm - 7:06 pm
ITM
-
PDX
21h 06m
2 stops
$1,048Air Canada
Tue, Sep 22 - Mon, Oct 5
Japan Airlines Logo
7:03 am - 7:45 pm
SEA
-
ITM
20h 42m
2 stops
Japan Airlines Logo
2:30 pm - 10:50 am
ITM
-
SEA
12h 20m
1 stop
$1,048Japan Airlines
Tue, Jul 14 - Tue, Jul 21
Japan Airlines Logo
1:25 pm - 7:50 pm
SEA
-
ITM
14h 25m
1 stop
Japan Airlines Logo
7:05 am - 4:07 pm
ITM
-
SEA
25h 02m
2 stops
$1,052Japan Airlines
Tue, Aug 4 - Tue, Aug 25
Japan Airlines Logo
1:25 pm - 7:45 pm
SEA
-
ITM
14h 20m
1 stop
Japan Airlines Logo
7:30 pm - 10:50 am
ITM
-
SEA
31h 20m
1 stop
$1,064Japan Airlines
Mon, Jul 20 - Mon, Jul 27
ANA Logo
7:11 am - 6:55 pm
SEA
-
ITM
19h 44m
2 stops
ANA Logo
4:40 pm - 2:25 pm
ITM
-
SEA
13h 45m
1 stop
$1,074ANA
Wed, Aug 26 - Wed, Sep 2
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
$1,075ANA
Wed, Aug 26 - Wed, Sep 2
ANA Logo
7:11 am - 6:10 pm
SEA
-
ITM
18h 59m
2 stops
ANA Logo
8:20 pm - 8:43 pm
ITM
-
SEA
16h 23m
2 stops
$1,078ANA
Wed, Aug 26 - Wed, Sep 2
Air Canada Logo
7:45 pm - 6:55 pm
PDX
-
ITM
31h 10m
2 stops
Air Canada Logo
2:00 pm - 9:31 am
ITM
-
PDX
35h 31m
2 stops
$1,138Air Canada
Sun, Sep 6 - Mon, Sep 14

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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
Nov 30
SEA7:01 amSeattle/Tacoma Intl
18h 09m
2 stops
ITM6:10 pmOsaka Itami
Feb 21
ITM1:00 pmOsaka Itami
17h 20m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$1,201
United Airlines
Aug 24
SEA7:11 amSeattle/Tacoma Intl
17h 54m
2 stops
ITM5:05 pmOsaka Itami
Sep 16
ITM12:50 pmOsaka Itami
17h 35m
1 stop
SEA2:25 pmSeattle/Tacoma Intl
$1,202
United Airlines
Nov 9
PDX7:35 pmPortland
29h 35m
2 stops
ITM6:10 pmOsaka Itami
Nov 25
ITM1:00 pmOsaka Itami
28h 35m
2 stops
PDX12:35 amPortland
$1,252

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
Aug 26
SEA7:11 amSeattle/Tacoma Intl
19h 44m
2 stops
ITM6:55 pmOsaka Itami
Sep 2
ITM4:40 pmOsaka Itami
13h 45m
1 stop
SEA2:25 pmSeattle/Tacoma Intl
$1,074
ANA
Aug 26
SEA4:30 pmSeattle/Tacoma Intl
22h 55m
1 stop
ITM7:25 amOsaka Itami
Sep 2
ITM4:40 pmOsaka Itami
13h 45m
1 stop
SEA2:25 pmSeattle/Tacoma Intl
$1,075
ANA
Aug 26
SEA7:11 amSeattle/Tacoma Intl
18h 59m
2 stops
ITM6:10 pmOsaka Itami
Sep 2
ITM8:20 pmOsaka Itami
16h 23m
2 stops
SEA8:43 pmSeattle/Tacoma Intl
$1,078

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 June 25, 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

Cheapest round-trip
Quickest round-trip

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Wed 8/5

1:25 pm-7:50 pm

1 stop14h 25m

Osaka Itami

Fri 8/21

2:30 pm-10:50 am

1 stop12h 20m

$1,037

PortlandOsaka

PDX - ITM

PDXITM

Portland

Thu 8/27

7:45 pm-7:50 pm

2 stops32h 05m

Osaka Itami

Tue 9/8

2:00 pm-2:46 pm

2 stops16h 46m

$1,045

PortlandOsaka

PDX - ITM

PDXITM

Portland

Tue 9/22

7:45 pm-6:55 pm

2 stops31h 10m

Osaka Itami

Mon 10/5

2:00 pm-7:06 pm

2 stops21h 06m

$1,048

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Tue 7/14

7:03 am-7:45 pm

2 stops20h 42m

Osaka Itami

Tue 7/21

2:30 pm-10:50 am

1 stop12h 20m

$1,048

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Tue 8/4

1:25 pm-7:50 pm

1 stop14h 25m

Osaka Itami

Tue 8/25

7:05 am-4:07 pm

2 stops25h 02m

$1,052

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Mon 7/20

1:25 pm-7:45 pm

1 stop14h 20m

Osaka Itami

Mon 7/27

7:30 pm-10:50 am

1 stop31h 20m

$1,064

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Wed 8/26

7:11 am-6:55 pm

2 stops19h 44m

Osaka Itami

Wed 9/2

4:40 pm-2:25 pm

1 stop13h 45m

$1,074

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Wed 8/26

4:30 pm-7:25 am

1 stop22h 55m

Osaka Itami

Wed 9/2

4:40 pm-2:25 pm

1 stop13h 45m

$1,075

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Wed 8/26

7:11 am-6:10 pm

2 stops18h 59m

Osaka Itami

Wed 9/2

8:20 pm-8:43 pm

2 stops16h 23m

$1,078

PortlandOsaka

PDX - ITM

PDXITM

Portland

Sun 9/6

7:45 pm-6:55 pm

2 stops31h 10m

Osaka Itami

Mon 9/14

2:00 pm-9:31 am

2 stops35h 31m

$1,138

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 January, then departing from State of Washington during the month February is also very affordable. Most momondo users find prices during this month for around $654.

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

You could potentially save up to 35% 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 00m

Direct flights

None
The fastest flight from State of Washington to Osaka Itami Airport takes 14h 00m
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.
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Frequently asked questions about flying from Washington to Osaka Itami Airport

  • 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
8.3
1,252 reviews
Search ANA flights
Japan AirlinesPriceFrom $697Free CancellationRating
8.3
1,849 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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