Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Washington to Osaka from $329

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 1/31. 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

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Washington to Osaka

Cheap round-trip flights

Enter your travel dates to find the best prices.
ANA Logo
3:45 pm - 7:30 amSEA-ITM
22h 45m1 stop
ANA Logo
4:50 pm - 1:20 pmITM-SEA
13h 30m1 stop
$620ANA
Find Deal
Sun, Jan 11 - Sun, Jan 18
ANA Logo
3:45 pm - 8:10 amSEA-ITM
23h 25m1 stop
ANA Logo
6:00 pm - 1:20 pmITM-SEA
12h 20m1 stop
$621ANA
Find Deal
Sun, Jan 11 - Sun, Jan 18
Japan Airlines Logo
12:30 pm - 7:55 pmSEA-ITM
14h 25m1 stop
Japan Airlines Logo
2:40 pm - 2:34 pmITM-SEA
16h 54m2 stops
$646Japan Airlines
Find Deal
Tue, Jan 13 - Tue, Jan 20
American Airlines Logo
6:25 am - 5:35 pmSEA-ITM
18h 10m2 stops
American Airlines Logo
8:30 am - 9:50 amITM-SEA
18h 20m1 stop
$681American Airlines
Find Deal
Mon, Dec 8 - Tue, Dec 23
American Airlines Logo
6:25 am - 7:20 pmSEA-ITM
19h 55m2 stops
American Airlines Logo
1:40 pm - 9:50 amITM-SEA
13h 10m1 stop
$683American Airlines
Find Deal
Sun, Dec 7 - Tue, Dec 23
United Airlines Logo
5:35 am - 6:10 pmPDX-ITM
19h 35m2 stops
United Airlines Logo
1:00 pm - 2:55 pmITM-PDX
18h 55m2 stops
$709United Airlines
Find Deal
Tue, Jan 27 - Tue, Feb 10
Japan Airlines Logo
7:00 am - 8:40 amPDX-ITM
32h 40m2 stops
Japan Airlines Logo
11:25 am - 4:28 pmITM-PDX
22h 03m2 stops
$714Japan Airlines
Find Deal
Thu, Feb 19 - Thu, Mar 5
United Airlines Logo
4:30 pm - 5:05 pmSEA-ITM
32h 35m1 stop
United Airlines Logo
12:00 pm - 2:25 pmITM-SEA
18h 25m1 stop
$737United Airlines
Find Deal
Sun, Apr 19 - Fri, Apr 24
Air Canada Logo
7:00 pm - 6:55 pmPDX-ITM
30h 55m2 stops
Air Canada Logo
2:00 pm - 6:30 pmITM-PDX
21h 30m2 stops
$751Air Canada
Find Deal
Sat, Jan 24 - Tue, Feb 10
Air Canada Logo
9:50 am - 6:55 pmPDX-ITM
16h 05m2 stops
Air Canada Logo
2:00 pm - 2:40 pmITM-PDX
17h 40m2 stops
$761Air Canada
Find Deal
Sun, Jan 25 - Sun, Feb 8

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 11
SEA3:45 pmSeattle/Tacoma Intl
22h 45m
1 stop
ITM7:30 amOsaka Itami
Jan 18
ITM4:50 pmOsaka Itami
13h 30m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$620
Find similar
ANA
Jan 11
SEA3:45 pmSeattle/Tacoma Intl
23h 25m
1 stop
ITM8:10 amOsaka Itami
Jan 18
ITM6:00 pmOsaka Itami
12h 20m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$621
Find similar
ANA
Jan 13
SEA3:45 pmSeattle/Tacoma Intl
23h 25m
1 stop
ITM8:10 amOsaka Itami
Jan 20
ITM4:00 pmOsaka Itami
14h 20m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$624
Find similar

American Airlines flights from State of Washington to Osaka Itami Airport

Our best American Airlines deals on State of Washington to Osaka Itami Airport flight tickets
American Airlines
Dec 8
SEA6:25 amSeattle/Tacoma Intl
18h 10m
2 stops
ITM5:35 pmOsaka Itami
Dec 23
ITM8:30 amOsaka Itami
18h 20m
1 stop
SEA9:50 amSeattle/Tacoma Intl
$681
Find similar
American Airlines
Dec 7
SEA6:25 amSeattle/Tacoma Intl
19h 55m
2 stops
ITM7:20 pmOsaka Itami
Dec 23
ITM1:40 pmOsaka Itami
13h 10m
1 stop
SEA9:50 amSeattle/Tacoma Intl
$683
Find similar
American Airlines
Jan 13
SEA6:00 amSeattle/Tacoma Intl
18h 35m
2 stops
ITM5:35 pmOsaka Itami
Jan 20
ITM3:25 pmOsaka Itami
19h 40m
2 stops
SEA6:05 pmSeattle/Tacoma Intl
$684
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 October 23, 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

Sun 1/11

3:45 pm-7:30 am

1 stop22h 45m

Osaka Itami

Sun 1/18

4:50 pm-1:20 pm

1 stop13h 30m

$620

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Sun 1/11

3:45 pm-8:10 am

1 stop23h 25m

Osaka Itami

Sun 1/18

6:00 pm-1:20 pm

1 stop12h 20m

$621

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-2:34 pm

2 stops16h 54m

$646

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Mon 12/8

6:25 am-5:35 pm

2 stops18h 10m

Osaka Itami

Tue 12/23

8:30 am-9:50 am

1 stop18h 20m

$681

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Sun 12/7

6:25 am-7:20 pm

2 stops19h 55m

Osaka Itami

Tue 12/23

1:40 pm-9:50 am

1 stop13h 10m

$683

PortlandOsaka

PDX - ITM

PDXITM

Portland

Tue 1/27

5:35 am-6:10 pm

2 stops19h 35m

Osaka Itami

Tue 2/10

1:00 pm-2:55 pm

2 stops18h 55m

$709

PortlandOsaka

PDX - ITM

PDXITM

Portland

Thu 2/19

7:00 am-8:40 am

2 stops32h 40m

Osaka Itami

Thu 3/5

11:25 am-4:28 pm

2 stops22h 03m

$714

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Sun 4/19

4:30 pm-5:05 pm

1 stop32h 35m

Osaka Itami

Fri 4/24

12:00 pm-2:25 pm

1 stop18h 25m

$737

PortlandOsaka

PDX - ITM

PDXITM

Portland

Sat 1/24

7:00 pm-6:55 pm

2 stops30h 55m

Osaka Itami

Tue 2/10

2:00 pm-6:30 pm

2 stops21h 30m

$751

PortlandOsaka

PDX - ITM

PDXITM

Portland

Sun 1/25

9:50 am-6:55 pm

2 stops16h 05m

Osaka Itami

Sun 2/8

2:00 pm-2:40 pm

2 stops17h 40m

$761

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 August is also very affordable. Most momondo users find prices during this month for around $768.

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

Direct flights

None
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 $687Free CancellationRating
8.4
990 reviews
Search ANA flights
Japan AirlinesPriceFrom $697Free CancellationRating
8.3
1,583 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 11/22
Sat 11/29
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Osaka

Popular cities in Japan

Popular flights according to clicks in the last 7 days on momondo
Flights to Tokyo Haneda Airportfrom $549
Flights to Tokyo Narita Airportfrom $448
Flights to Osaka Kansai Intl Airportfrom $571
Flights to Nagoya Chubu Centrair Intl Airportfrom $577