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Cheap flights from Washington to Osaka from $332

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 9/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

ANA Logo
4:30 pm - 7:25 amSEA-ITM
22h 55m1 stop
ANA Logo
2:00 pm - 2:25 pmITM-SEA
16h 25m1 stop
$627ANA
Find Deal
Wed, Sep 3 - Wed, Sep 10
ANA Logo
4:30 pm - 7:25 amSEA-ITM
22h 55m1 stop
ANA Logo
8:20 pm - 2:25 pmITM-SEA
34h 05m1 stop
$628ANA
Find Deal
Sun, Sep 21 - Tue, Sep 23
Japan Airlines Logo
7:00 am - 7:55 pmPDX-ITM
19h 55m2 stops
Japan Airlines Logo
11:30 am - 4:28 pmITM-PDX
21h 58m2 stops
$676Japan Airlines
Find Deal
Wed, Jan 21 - Fri, Feb 6
Japan Airlines Logo
7:00 am - 7:55 pmPDX-ITM
19h 55m2 stops
Japan Airlines Logo
2:30 pm - 4:28 pmITM-PDX
18h 58m2 stops
$678Japan Airlines
Find Deal
Thu, Jan 22 - Wed, Feb 4
United Airlines Logo
7:29 pm - 6:10 pmSEA-ITM
29h 41m2 stops
United Airlines Logo
1:00 pm - 9:00 pmITM-SEA
25h 00m3 stops
$684United Airlines
Find Deal
Sat, Dec 6 - Mon, Dec 15
United Airlines Logo
7:05 am - 6:10 pmSEA-ITM
18h 05m2 stops
United Airlines Logo
1:00 pm - 8:54 pmITM-SEA
24h 54m3 stops
$705United Airlines
Find Deal
Wed, Feb 11 - Tue, Feb 24
Air Canada Logo
3:15 pm - 6:55 pmPDX-ITM
34h 40m2 stops
Air Canada Logo
2:05 pm - 2:45 pmITM-PDX
17h 40m2 stops
$760Air Canada
Find Deal
Sun, Nov 9 - Wed, Jan 14
Air Canada Logo
7:00 pm - 6:55 pmPDX-ITM
30h 55m2 stops
Air Canada Logo
2:05 pm - 6:30 pmITM-PDX
21h 25m2 stops
$766Air Canada
Find Deal
Sun, Nov 2 - Mon, Nov 17
Alaska Airlines Logo
7:00 am - 7:45 pmPDX-ITM
20h 45m2 stops
Alaska Airlines Logo
2:35 pm - 12:15 amITM-PDX
25h 40m2 stops
$876Alaska Airlines
Find Deal
Wed, Sep 3 - Fri, Sep 5
Alaska Airlines Logo
8:38 pm - 7:50 pmPDX-ITM
30h 12m2 stops
Alaska Airlines Logo
2:50 pm - 5:05 pmITM-PDX
19h 15m2 stops
$988Alaska Airlines
Find Deal
Sat, Nov 22 - Tue, Nov 25

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
Sep 3
SEA4:30 pmSeattle/Tacoma Intl
22h 55m
1 stop
ITM7:25 amOsaka Itami
Sep 10
ITM2:00 pmOsaka Itami
16h 25m
1 stop
SEA2:25 pmSeattle/Tacoma Intl
$627
Find similar
ANA
Sep 21
SEA4:30 pmSeattle/Tacoma Intl
22h 55m
1 stop
ITM7:25 amOsaka Itami
Sep 23
ITM8:20 pmOsaka Itami
34h 05m
1 stop
SEA2:25 pmSeattle/Tacoma Intl
$628
Find similar
ANA
Nov 9
SEA3:40 pmSeattle/Tacoma Intl
22h 50m
1 stop
ITM7:30 amOsaka Itami
Nov 18
ITM4:50 pmOsaka Itami
13h 30m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$632
Find similar

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 21
PDX7:00 amPortland
19h 55m
2 stops
ITM7:55 pmOsaka Itami
Feb 6
ITM11:30 amOsaka Itami
21h 58m
2 stops
PDX4:28 pmPortland
$676
Find similar
Japan Airlines
Jan 22
PDX7:00 amPortland
19h 55m
2 stops
ITM7:55 pmOsaka Itami
Feb 4
ITM2:30 pmOsaka Itami
18h 58m
2 stops
PDX4:28 pmPortland
$678
Find similar
Japan Airlines
Aug 31
SEA1:30 pmSeattle/Tacoma Intl
28h 25m
2 stops
ITM9:55 amOsaka Itami
Sep 12
ITM2:35 pmOsaka Itami
11h 50m
1 stop
SEA10:25 amSeattle/Tacoma Intl
$681
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 August 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

Wed 9/3

4:30 pm-7:25 am

1 stop22h 55m

Osaka Itami

Wed 9/10

2:00 pm-2:25 pm

1 stop16h 25m

$627

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Sun 9/21

4:30 pm-7:25 am

1 stop22h 55m

Osaka Itami

Tue 9/23

8:20 pm-2:25 pm

1 stop34h 05m

$628

PortlandOsaka

PDX - ITM

PDXITM

Portland

Wed 1/21

7:00 am-7:55 pm

2 stops19h 55m

Osaka Itami

Fri 2/6

11:30 am-4:28 pm

2 stops21h 58m

$676

PortlandOsaka

PDX - ITM

PDXITM

Portland

Thu 1/22

7:00 am-7:55 pm

2 stops19h 55m

Osaka Itami

Wed 2/4

2:30 pm-4:28 pm

2 stops18h 58m

$678

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Sat 12/6

7:29 pm-6:10 pm

2 stops29h 41m

Osaka Itami

Mon 12/15

1:00 pm-9:00 pm

3 stops25h 00m

$684

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Wed 2/11

7:05 am-6:10 pm

2 stops18h 05m

Osaka Itami

Tue 2/24

1:00 pm-8:54 pm

3 stops24h 54m

$705

PortlandOsaka

PDX - ITM

PDXITM

Portland

Sun 11/9

3:15 pm-6:55 pm

2 stops34h 40m

Osaka Itami

Wed 1/14

2:05 pm-2:45 pm

2 stops17h 40m

$760

PortlandOsaka

PDX - ITM

PDXITM

Portland

Sun 11/2

7:00 pm-6:55 pm

2 stops30h 55m

Osaka Itami

Mon 11/17

2:05 pm-6:30 pm

2 stops21h 25m

$766

PortlandOsaka

PDX - ITM

PDXITM

Portland

Wed 9/3

7:00 am-7:45 pm

2 stops20h 45m

Osaka Itami

Fri 9/5

2:35 pm-12:15 am

2 stops25h 40m

$876

PortlandOsaka

PDX - ITM

PDXITM

Portland

Sat 11/22

8:38 pm-7:50 pm

2 stops30h 12m

Osaka Itami

Tue 11/25

2:50 pm-5:05 pm

2 stops19h 15m

$988

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 November, then departing from State of Washington during the month April is also very affordable. Most momondo users find prices during this month for around $798.

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.

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

Best Price Found

$332

Fastest flight time

14h 15m

Direct flights

None
The best one-way flight to Osaka Itami Airport from State of Washington in the past 72 hours is $332. The best round-trip flight deal from State of Washington to Osaka Itami Airport found on momondo in the last 72 hours is $627.
The fastest flight from State of Washington to Osaka Itami Airport takes 14h 15m
There are no direct flights from State of Washington to Osaka Itami Airport. Popular non-direct routes for this connection are Portland Airport - Osaka Itami Airport and Seattle/Tacoma Intl Airport - Osaka Itami Airport.
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  • 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 $687Free CancellationRating
8.4
933 reviews
Search ANA flights
Japan AirlinesPriceFrom $697Free CancellationRating
8.3
1,549 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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