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Kansai Intl

$490+ 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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
STS — KIX
Jan 2 — Jan 91
Fri 1/2
Fri 1/9
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 3, 2025.

This Alaska Airlines deal was found by Cheapflights users on 12/1. 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 2/237:48 pmSTS - KIX
2 stops29h 57mAlaska Airlines
Fri 2/278:45 pmKIX - STS
2 stops30h 26mAlaska Airlines
Deal found 12/1$1,051
This oojo deal was found by Cheapflights users on 12/2. 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.
Fri 1/167:00 amSTS - KIX
1 stop18h 50mMultiple Airlines
Fri 1/237:00 amKIX - STS
2 stops32h 58mMultiple Airlines
Deal found 12/2$1,178
This Alaska Airlines deal was found by Cheapflights users on 12/2. 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.
Fri 1/167:56 pmSTS - KIX
2 stops29h 49mAlaska Airlines
Fri 1/238:45 pmKIX - STS
2 stops30h 40mAlaska Airlines
Deal found 12/2$1,070
This Alaska Airlines deal was found by Cheapflights users on 12/1. 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 4/67:47 pmSTS - KIX
2 stops30h 58mAlaska Airlines
Tue 4/148:45 pmKIX - STS
2 stops29h 02mAlaska Airlines
Deal found 12/1$1,131
This Alaska Airlines deal was found by Cheapflights users on 12/1. 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 4/47:47 pmSTS - KIX
2 stops30h 58mAlaska Airlines
Thu 4/98:45 pmKIX - STS
2 stops29h 02mAlaska Airlines
Deal found 12/1$1,131
This Alaska Airlines deal was found by Cheapflights users on 12/1. 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 4/67:47 pmSTS - KIX
2 stops30h 58mAlaska Airlines
Thu 4/98:45 pmKIX - STS
2 stops53h 02mAlaska Airlines
Deal found 12/1$1,160
This Alaska Airlines deal was found by Cheapflights users on 12/1. 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 4/47:47 pmSTS - KIX
2 stops30h 58mAlaska Airlines
Wed 4/158:45 pmKIX - STS
2 stops34h 16mAlaska Airlines
Deal found 12/1$1,165
This Alaska Airlines deal was found by Cheapflights users on 12/1. 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 4/67:47 pmSTS - KIX
2 stops30h 58mAlaska Airlines
Mon 4/138:45 pmKIX - STS
2 stops29h 02mAlaska Airlines
Deal found 12/1$1,173
This Alaska Airlines deal was found by Cheapflights users on 12/1. 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 4/47:47 pmSTS - KIX
2 stops30h 58mAlaska Airlines
Mon 4/138:45 pmKIX - STS
2 stops29h 02mAlaska Airlines
Deal found 12/1$1,173
This Alaska Airlines deal was found by Cheapflights users on 12/1. 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 4/51:22 pmSTS - KIX
2 stops37h 23mAlaska Airlines
Tue 4/148:45 pmKIX - STS
2 stops29h 02mAlaska Airlines
Deal found 12/1$1,181
This Alaska Airlines deal was found by Cheapflights users on 12/1. 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.
Fri 4/37:00 amSTS - KIX
2 stops43h 45mAlaska Airlines
Thu 4/98:45 pmKIX - STS
2 stops29h 02mAlaska Airlines
Deal found 12/1$1,195

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 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,051
(Alaska Airlines)

One-way from

$490
(Alaska Airlines)

Popular in

December

Cheapest in

October

Average price

$1,588
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. 7% potential increase in price ($84 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($52 potential savings vs. average RT price).
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Average for round-trip flights in December 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 December 3, 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 2/23

7:48 pm-6:45 pm

2 stops29h 57m

Osaka Kansai Intl

Fri 2/27

8:45 pm-10:11 am

2 stops30h 26m

$1,051

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

Fri 1/16

7:56 pm-6:45 pm

2 stops29h 49m

Osaka Kansai Intl

Fri 1/23

8:45 pm-10:25 am

2 stops30h 40m

$1,070

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

Mon 4/6

7:47 pm-6:45 pm

2 stops30h 58m

Osaka Kansai Intl

Tue 4/14

8:45 pm-9:47 am

2 stops29h 02m

$1,131

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

Sat 4/4

7:47 pm-6:45 pm

2 stops30h 58m

Osaka Kansai Intl

Thu 4/9

8:45 pm-9:47 am

2 stops29h 02m

$1,131

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

Mon 4/6

7:47 pm-6:45 pm

2 stops30h 58m

Osaka Kansai Intl

Thu 4/9

8:45 pm-9:47 am

2 stops53h 02m

$1,160

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

Sat 4/4

7:47 pm-6:45 pm

2 stops30h 58m

Osaka Kansai Intl

Wed 4/15

8:45 pm-3:01 pm

2 stops34h 16m

$1,165

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

Mon 4/6

7:47 pm-6:45 pm

2 stops30h 58m

Osaka Kansai Intl

Mon 4/13

8:45 pm-9:47 am

2 stops29h 02m

$1,173

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

Sat 4/4

7:47 pm-6:45 pm

2 stops30h 58m

Osaka Kansai Intl

Mon 4/13

8:45 pm-9:47 am

2 stops29h 02m

$1,173

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

Fri 1/16

7:00 am-6:50 pm

1 stop18h 50m

Osaka Kansai Intl

Fri 1/23

7:00 am-10:58 pm

2 stops32h 58m

$1,178

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

Sun 4/5

1:22 pm-6:45 pm

2 stops37h 23m

Osaka Kansai Intl

Tue 4/14

8:45 pm-9:47 am

2 stops29h 02m

$1,181

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 22 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, 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 December is currently the most expensive (average of $716). 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 $1,051, Alaska Airlines can have you in Osaka Kansai Intl Airport from Santa Rosa in 29h 57m. Santa Rosa and Osaka Kansai Intl Airport are separated by a distance of 5343 mi.

  • 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 December is currently the most expensive (average of $716). 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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