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$364+ Cheap flights from Osaka (OSA) to Washington

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
OSA — SEA
Nov 12 — Nov 191
Wed 11/12
Wed 11/19
1 adult, Economy
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Find flight deals from Osaka to Washington

Cheapest flights from Osaka to Washington
Explore the most affordable flight options available from Osaka to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 13, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3011:50 amKIX - SEA
1 stop14h 10mMultiple Airlines
Tue 11/1111:00 amSEA - KIX
1 stop18h 45mMultiple Airlines
Deal found 10/11$676
This Kiwi.com deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2511:45 amKIX - SEA
1 stop19h 10mMultiple Airlines
Mon 12/112:10 amSEA - KIX
1 stop22h 40mMultiple Airlines
Deal found 10/11$723
This Mytrip deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/278:55 amKIX - SEA
2 stops22h 36mMultiple Airlines
Thu 12/410:05 amSEA - KIX
2 stops19h 40mMultiple Airlines
Deal found 10/13$735
This Kiwi.com deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/911:50 amKIX - SEA
1 stop19h 05mMultiple Airlines
Sun 11/161:45 pmSEA - KIX
1 stop16h 00mMultiple Airlines
Deal found 10/12$760
This Trip.com deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2710:15 amKIX - SEA
1 stop25h 25mPhilippine Airlines
Thu 12/49:30 pmSEA - KIX
1 stop29h 05mPhilippine Airlines
Deal found 10/13$762
This Cheapflightsfares deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/253:05 pmKIX - SEA
1 stop20h 35mPhilippine Airlines
Sun 11/309:30 pmSEA - KIX
1 stop23h 35mPhilippine Airlines
Deal found 10/12$764
This oojo deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2510:15 amKIX - SEA
1 stop25h 25mPhilippine Airlines
Tue 12/29:30 pmSEA - KIX
1 stop29h 05mPhilippine Airlines
Deal found 10/11$771
This oojo deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2512:45 pmKIX - SEA
1 stop22h 25mChina Airlines
Sat 11/2912:10 amSEA - KIX
1 stop24h 40mChina Airlines
Deal found 10/12$790
This Kiwi.com deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/268:00 amKIX - SEA
2 stops23h 37mMultiple Airlines
Wed 12/37:00 amSEA - KIX
1 stop18h 45mMultiple Airlines
Deal found 10/12$796
This Gotogate deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3012:45 pmKIX - SEA
1 stop22h 25mChina Airlines
Mon 11/1012:10 amSEA - KIX
1 stop24h 40mChina Airlines
Deal found 10/11$799
This Delta deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2511:55 amKIX - PDX
2 stops37h 36mDelta
Tue 12/29:10 amPDX - KIX
2 stops18h 35mDelta
Deal found 10/11$905
This Delta deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2611:55 amKIX - PDX
2 stops29h 19mDelta
Wed 12/35:30 amPDX - KIX
2 stops36h 15mDelta
Deal found 10/12$912

Cheap flight deals from Osaka to Washington

Keep the following information in mind while searching for Osaka to Washington flight deals. Data was last updated October 13, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$676
(Kiwi.com)

One-way from

$364
(Kiwi.com)

Popular in

September

Cheapest in

May

Average price

$853
Provider with most accurate pricing for Osaka (OSA)-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Osaka (OSA)-Seattle/Tacoma Intl flights.
Search Deals
From Osaka (OSA) to Washington
Search Deals
One-way flight from Osaka (OSA) to Washington
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($60 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Osaka to Washington 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, Cheapflights users made 2,558,603 searches. Data last updated October 13, 2025.
Use the filters below to find and compare flights from Osaka to Washington that are best for you.

Fly from

Osaka

Fly to

Washington

Route

Depart

Return

Price

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Thu 10/30

11:50 am-10:00 am

1 stop14h 10m

Seattle/Tacoma Intl

Tue 11/11

11:00 am-10:45 pm

1 stop18h 45m

$676

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Tue 11/25

10:00 am-7:16 pm

2 stops26h 16m

Seattle/Tacoma Intl

Tue 12/2

5:50 am-9:15 pm

2 stops22h 25m

$725

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Thu 11/27

3:05 pm-6:40 pm

1 stop20h 35m

Seattle/Tacoma Intl

Thu 12/4

9:30 pm-2:05 pm

1 stop23h 35m

$761

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Sat 3/14

7:25 pm-3:01 pm

1 stop11h 36m

Seattle/Tacoma Intl

Sat 3/21

8:00 pm-5:40 pm

1 stop29h 40m

$766

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Tue 11/25

10:15 am-6:40 pm

1 stop25h 25m

Seattle/Tacoma Intl

Tue 12/2

9:30 pm-7:35 pm

1 stop29h 05m

$771

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Tue 11/25

12:45 pm-6:10 pm

1 stop22h 25m

Seattle/Tacoma Intl

Sat 11/29

12:10 am-5:50 pm

1 stop24h 40m

$790

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Wed 11/26

8:00 am-2:37 pm

2 stops23h 37m

Seattle/Tacoma Intl

Wed 12/3

7:00 am-6:45 pm

1 stop18h 45m

$796

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Thu 10/30

12:45 pm-7:10 pm

1 stop22h 25m

Seattle/Tacoma Intl

Mon 11/10

12:10 am-5:50 pm

1 stop24h 40m

$799

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Thu 12/18

12:20 pm-3:05 pm

1 stop19h 45m

Seattle/Tacoma Intl

Sat 1/3

11:45 pm-11:10 am

1 stop18h 25m

$811

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Sat 3/14

12:20 pm-4:05 pm

1 stop19h 45m

Seattle/Tacoma Intl

Fri 3/20

12:45 am-12:50 pm

1 stop20h 05m

$811

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/11

Showing 1-10 of 53 results
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Best time to book a flight from Osaka to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Osaka with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Osaka to Washington

What is the cheapest time of day to fly from OSA to WA?

Find hourly flight availability from Osaka to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 13, 2025.

When flying from Osaka to State of Washington, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 39% versus a flight in the morning.

How much does it cost to fly round-trip from Osaka to State of Washington?

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated October 13, 2025.
See what other customers who have flown with EVA Air and ANA from Osaka to Washington have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,250 reviews

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Food

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
EVA Air
8.4
Very good
1,250 reviews
EVA Air
8.4
Very good
1,250 reviews

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Food

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
ANA
8.4
Very good
984 reviews
EVA Air
8.4
Very good
1,250 reviews

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Food

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

Related info for your journey

Find useful and relevant information for your journey from Osaka to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Osaka to State of Washington?

    There are many flights that can get you from Osaka to State of Washington in 11h 36m. Fly via Philippine Airlines, Air Canada, or Delta to get the fastest option. Osaka and State of Washington are separated by a distance of 5024 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Osaka to State of Washington one-way?

    The cheapest airlines for a one-way flight from Osaka to State of Washington are Alaska Airlines ($508), American Airlines ($519), and Korean Air ($578).

  • What are the most popular routes from Osaka to State of Washington?

    The most popular flight routes from Osaka to State of Washington are Osaka Kansai Intl - Seattle/Tacoma Intl, Osaka Itami - Seattle/Tacoma Intl and Osaka Kansai Intl - Portland.

  • Can I find deals for flights from Osaka to Washington that include hotel bookings?

    Yes. In addition to deals on Osaka to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Osaka to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Osaka to Washington.

  • Can I find deals for business class flights from Osaka to Washington?

    Yes. Cheapflights offers flight deals from Osaka to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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