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Kansai Intl

$683+ Cheap flights from Santa Rosa (STS) to Kansai Intl (KIX)

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 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
STS — KIX
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Find flight deals from Santa Rosa to Kansai Intl

Cheapest flights from Santa Rosa to Kansai Intl
Explore the most affordable flight options available from Santa Rosa to Kansai Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/246:43 pmSTS - KIX
2 stops55h 02mAlaska Airlines
Tue 12/28:45 pmKIX - STS
2 stops54h 34mAlaska Airlines
Deal found 10/26$1,170
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/246:43 pmSTS - KIX
2 stops55h 02mAlaska Airlines
Mon 12/18:45 pmKIX - STS
2 stops54h 34mAlaska Airlines
Deal found 10/26$1,213
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/257:40 amSTS - KIX
2 stops42h 05mAlaska Airlines
Tue 12/28:45 pmKIX - STS
2 stops54h 34mAlaska Airlines
Deal found 10/26$1,247
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/226:43 pmSTS - KIX
2 stops55h 02mAlaska Airlines
Tue 12/28:45 pmKIX - STS
2 stops54h 34mAlaska Airlines
Deal found 10/26$1,267
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/237:40 amSTS - KIX
2 stops42h 05mAlaska Airlines
Tue 12/28:45 pmKIX - STS
2 stops54h 34mAlaska Airlines
Deal found 10/26$1,286
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/257:40 amSTS - KIX
2 stops42h 05mAlaska Airlines
Mon 12/18:45 pmKIX - STS
2 stops54h 34mAlaska Airlines
Deal found 10/26$1,290
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/226:43 pmSTS - KIX
2 stops55h 02mAlaska Airlines
Mon 12/18:45 pmKIX - STS
2 stops54h 34mAlaska Airlines
Deal found 10/26$1,310
This KAYAK deal was found by Cheapflights users on 10/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/257:40 amSTS - KIX
1 stop18h 10mJapan Airlines
Tue 12/25:50 pmKIX - STS
1 stop16h 29mJapan Airlines
Deal found 10/27$1,567
This KAYAK deal was found by Cheapflights users on 10/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/257:40 amSTS - KIX
2 stops21h 35mJapan Airlines
Wed 12/35:50 pmKIX - STS
1 stop16h 29mJapan Airlines
Deal found 10/27$1,574
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/98:07 pmSTS - KIX
2 stops29h 38mAlaska Airlines
Thu 11/138:45 pmKIX - STS
2 stops54h 25mAlaska Airlines
Deal found 10/26$1,641

Cheap flight deals from Santa Rosa to Kansai Intl

Discover tips and strategies to find the most affordable flight options for your journey from Santa Rosa (STS) to Kansai Intl (KIX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,168
(Alaska Airlines)

One-way from

$683
(Alaska Airlines)

Popular in

December

Cheapest in

October

Average price

$772
Provider with most accurate pricing for San Francisco-Osaka (OSA) flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Osaka (OSA) flights.
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From Santa Rosa Sonoma County to Osaka Kansai Intl
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One-way flight from Santa Rosa Sonoma County to Osaka Kansai Intl
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($94 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($60 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Santa Rosa to Kansai Intl 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 29, 2025.
Use the filters below to find and compare flights from Santa Rosa to Osaka Kansai Intl Airport that are best for you.

Fly from

Santa Rosa

Fly to

Kansai Intl

Route

Depart

Return

Price

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

Mon 11/24

6:43 pm-6:45 pm

2 stops55h 02m

Osaka Kansai Intl

Tue 12/2

8:45 pm-10:19 am

2 stops54h 34m

$1,170

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

Tue 11/25

7:40 am-6:45 pm

2 stops42h 05m

Osaka Kansai Intl

Tue 12/2

8:45 pm-10:19 am

2 stops54h 34m

$1,247

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

Sat 11/22

6:43 pm-6:45 pm

2 stops55h 02m

Osaka Kansai Intl

Tue 12/2

8:45 pm-10:19 am

2 stops54h 34m

$1,267

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

Sun 11/23

7:40 am-6:45 pm

2 stops42h 05m

Osaka Kansai Intl

Tue 12/2

8:45 pm-10:19 am

2 stops54h 34m

$1,286

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

Sat 11/22

6:43 pm-6:45 pm

2 stops55h 02m

Osaka Kansai Intl

Mon 12/1

8:45 pm-10:19 am

2 stops54h 34m

$1,310

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

Tue 11/25

7:40 am-6:50 pm

1 stop18h 10m

Osaka Kansai Intl

Tue 12/2

5:50 pm-5:19 pm

1 stop16h 29m

$1,567

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

Wed 11/26

7:40 am-6:50 pm

1 stop18h 10m

Osaka Kansai Intl

Wed 12/3

5:50 pm-5:19 pm

1 stop16h 29m

$1,567

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

Tue 11/25

7:40 am-10:15 pm

2 stops21h 35m

Osaka Kansai Intl

Wed 12/3

5:50 pm-5:19 pm

1 stop16h 29m

$1,574

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

Sun 11/9

8:07 pm-6:45 pm

2 stops29h 38m

Osaka Kansai Intl

Thu 11/13

8:45 pm-10:10 am

2 stops54h 25m

$1,641

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

Thu 12/11

7:00 am-6:50 pm

1 stop18h 50m

Osaka Kansai Intl

Fri 12/19

5:50 pm-3:13 pm

1 stop14h 23m

$1,830

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 20 results
1
2

Best time to book a flight from Santa Rosa to Kansai Intl

Have a flexible travel schedule? Discover the best time to fly to Kansai Intl from Santa Rosa 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 Santa Rosa to Osaka Kansai Intl Airport

What is the cheapest month to book a flight from Santa Rosa to Osaka Kansai Intl Airport?

Currently, June is the cheapest month in which you can book a flight from Santa Rosa to Osaka Kansai Intl Airport (average of $616). Flying from Santa Rosa to Osaka Kansai Intl Airport in February is currently the most expensive (average of $749). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

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

  • What airport do you fly from for flights from Santa Rosa to Osaka Kansai Intl?

    Located just 7.2 mi from the city center, Santa Rosa Sonoma County is the airport most travelers will use when flying to Osaka Kansai Intl from Santa Rosa. Booking flights from Sonoma County (STS) to Osaka Kansai Intl should be relatively easy as there are 0 daily outbound flights to Osaka Kansai Intl from 0 different airlines.

  • How long is the flight from Santa Rosa to Osaka Kansai Intl Airport?

    For as low as $1,170, Alaska Airlines can have you in Osaka Kansai Intl Airport from Santa Rosa in 55h 02m. Santa Rosa and Osaka Kansai Intl Airport are separated by a distance of 5343 mi.

  • What are the cheapest airlines to fly from Santa Rosa to Osaka Kansai Intl Airport one-way?

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $874. Users have also found prices from $1,288 and $1,290 on Japan Airlines and American Airlines, respectively.

  • Can I find deals for flights from Santa Rosa to Kansai Intl that include hotel bookings?

    Yes. In addition to deals on Santa Rosa to Kansai Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Santa Rosa to Kansai Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Santa Rosa to Kansai Intl.

  • Can I find deals for business class flights from Santa Rosa to Kansai Intl?

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

  • What is the cheapest month to book a flight from Santa Rosa to Osaka Kansai Intl Airport?

    Currently, June is the cheapest month in which you can book a flight from Santa Rosa to Osaka Kansai Intl Airport (average of $616). Flying from Santa Rosa to Osaka Kansai Intl Airport in February is currently the most expensive (average of $749). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Osaka Kansai Intl Airport?

Book flights to Osaka Kansai Intl Airport if you plan to visit one of these locations
Nara
Izumisano
Nishinomiya
Himeji

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