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Kansai Intl

$574+ 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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
STS — KIX
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Santa Rosa to Kansai Intl

Best flights from Santa Rosa to Kansai Intl
Discover carefully curated flight deals from Santa Rosa to Kansai Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

This Alaska Airlines deal was found by Cheapflights users on 12/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/187:56 pmSTS - KIX
2 stops29h 49mMultiple Airlines
Thu 1/297:00 amKIX - STS
2 stops33h 59mMultiple Airlines
Deal found 12/11$857
This Alaska Airlines deal was found by Cheapflights users on 12/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/189:33 pmSTS - KIX
2 stops28h 12mMultiple Airlines
Fri 1/307:00 amKIX - STS
2 stops33h 59mMultiple Airlines
Deal found 12/11$857
This Alaska Airlines deal was found by Cheapflights users on 12/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/189:33 pmSTS - KIX
2 stops28h 12mMultiple Airlines
Mon 1/269:05 pmKIX - STS
2 stops54h 30mMultiple Airlines
Deal found 12/11$864
This Alaska Airlines deal was found by Cheapflights users on 12/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/199:33 pmSTS - KIX
2 stops47h 42mMultiple Airlines
Wed 1/289:05 pmKIX - STS
2 stops43h 54mMultiple Airlines
Deal found 12/11$866
This Alaska Airlines deal was found by Cheapflights users on 12/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/199:33 pmSTS - KIX
2 stops41h 52mMultiple Airlines
Thu 1/297:00 amKIX - STS
2 stops33h 59mMultiple Airlines
Deal found 12/11$866
This Alaska Airlines deal was found by Cheapflights users on 12/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/199:33 pmSTS - KIX
2 stops41h 52mMultiple Airlines
Fri 1/307:00 amKIX - STS
2 stops33h 59mMultiple Airlines
Deal found 12/11$866
This Alaska Airlines deal was found by Cheapflights users on 12/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/199:33 pmSTS - KIX
2 stops31h 47mMultiple Airlines
Tue 1/278:45 pmKIX - STS
2 stops30h 50mMultiple Airlines
Deal found 12/11$867
This Alaska Airlines deal was found by Cheapflights users on 12/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/206:50 amSTS - KIX
2 stops42h 55mMultiple Airlines
Wed 1/289:05 pmKIX - STS
2 stops43h 54mMultiple Airlines
Deal found 12/11$869
This Alaska Airlines deal was found by Cheapflights users on 12/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/206:50 amSTS - KIX
2 stops42h 55mMultiple Airlines
Thu 1/297:00 amKIX - STS
2 stops33h 59mMultiple Airlines
Deal found 12/11$869
This Alaska Airlines deal was found by Cheapflights users on 12/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/206:50 amSTS - KIX
2 stops42h 55mMultiple Airlines
Fri 1/307:00 amKIX - STS
2 stops33h 59mMultiple Airlines
Deal found 12/11$869
This Alaska Airlines deal was found by Cheapflights users on 12/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/229:33 pmSTS - KIX
2 stops31h 47mMultiple Airlines
Thu 1/297:00 amKIX - STS
2 stops33h 59mMultiple Airlines
Deal found 12/11$910
This Alaska Airlines deal was found by Cheapflights users on 12/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/2411:15 amSTS - KIX
2 stops42h 05mMultiple Airlines
Sat 1/319:05 pmKIX - STS
2 stops43h 54mMultiple Airlines
Deal found 12/11$910

Find 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$853
(Alaska Airlines)

One-way from

$574
(Japan Airlines)

Popular in

June

Cheapest in

October

Average price

$1,470
Provider with most accurate pricing for San Francisco-Osaka (OSA) flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Osaka (OSA) flights.
Search Deals
From Santa Rosa Sonoma County to Osaka Kansai Intl
Search Deals
One-way flight from Santa Rosa Sonoma County to Osaka Kansai Intl
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($212 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 12, 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

Sun 1/18

7:56 pm-6:45 pm

2 stops29h 49m

Osaka Kansai Intl

Thu 1/29

7:00 am-11:59 pm

2 stops33h 59m

$857

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

Sun 1/18

9:33 pm-6:45 pm

2 stops28h 12m

Osaka Kansai Intl

Fri 1/30

7:00 am-11:59 pm

2 stops33h 59m

$857

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

Sun 1/18

9:33 pm-6:45 pm

2 stops28h 12m

Osaka Kansai Intl

Mon 1/26

9:05 pm-10:35 am

2 stops54h 30m

$864

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

Mon 1/19

9:33 pm-2:15 pm

2 stops47h 42m

Osaka Kansai Intl

Wed 1/28

9:05 pm-11:59 pm

2 stops43h 54m

$866

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

Mon 1/19

9:33 pm-8:25 am

2 stops41h 52m

Osaka Kansai Intl

Thu 1/29

7:00 am-11:59 pm

2 stops33h 59m

$866

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

Mon 1/19

9:33 pm-8:25 am

2 stops41h 52m

Osaka Kansai Intl

Fri 1/30

7:00 am-11:59 pm

2 stops33h 59m

$866

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

Mon 1/19

9:33 pm-10:20 pm

2 stops31h 47m

Osaka Kansai Intl

Tue 1/27

8:45 pm-10:35 am

2 stops30h 50m

$867

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

Tue 1/20

6:50 am-6:45 pm

2 stops42h 55m

Osaka Kansai Intl

Wed 1/28

9:05 pm-11:59 pm

2 stops43h 54m

$869

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

Tue 1/20

6:50 am-6:45 pm

2 stops42h 55m

Osaka Kansai Intl

Thu 1/29

7:00 am-11:59 pm

2 stops33h 59m

$869

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

Tue 1/20

6:50 am-6:45 pm

2 stops42h 55m

Osaka Kansai Intl

Fri 1/30

7:00 am-11:59 pm

2 stops33h 59m

$869

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 23 results
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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, February is the cheapest month in which you can book a flight from Santa Rosa to Osaka Kansai Intl Airport (average of $529). Flying from Santa Rosa to Osaka Kansai Intl Airport in June is currently the most expensive (average of $769). 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.

  • 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, February is the cheapest month in which you can book a flight from Santa Rosa to Osaka Kansai Intl Airport (average of $529). Flying from Santa Rosa to Osaka Kansai Intl Airport in June is currently the most expensive (average of $769). 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
Himeji

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