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Kansai Intl

$426+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
STS — KIX
feb. 26 — mar. 51
jue. 2/26
jue. 3/5
1 adult, Economy
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Cheap 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 enero 27, 2026.

This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/214:17 pm
STS
-
KIX
2 stops57h 33m
American Airlines
jue. 3/55:50 pm
KIX
-
STS
2 stops39h 03m
American Airlines
Deal found 1/27$1,056
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/214:17 pm
STS
-
KIX
2 stops57h 33m
American Airlines
lun. 3/95:50 pm
KIX
-
STS
2 stops34h 36m
American Airlines
Deal found 1/27$1,099
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/214:17 pm
STS
-
KIX
2 stops33h 33m
American Airlines
mié. 3/45:50 pm
KIX
-
STS
2 stops59h 43m
American Airlines
Deal found 1/27$1,106
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/204:23 pm
STS
-
KIX
2 stops33h 27m
American Airlines
jue. 3/55:50 pm
KIX
-
STS
2 stops35h 43m
American Airlines
Deal found 1/27$1,113
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 2/224:23 pm
STS
-
KIX
2 stops33h 27m
American Airlines
lun. 3/95:50 pm
KIX
-
STS
2 stops34h 36m
American Airlines
Deal found 1/27$1,142
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/204:23 pm
STS
-
KIX
2 stops33h 27m
American Airlines
lun. 3/95:50 pm
KIX
-
STS
2 stops34h 36m
American Airlines
Deal found 1/27$1,149
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 2/224:23 pm
STS
-
KIX
2 stops33h 27m
American Airlines
mié. 3/45:50 pm
KIX
-
STS
2 stops59h 43m
American Airlines
Deal found 1/27$1,235
This oojo deal was found by Cheapflights users on 1/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 3/137:48 pm
STS
-
KIX
3 stops27h 07m
Cathay Pacific
vie. 3/2010:00 am
KIX
-
STS
2 stops29h 59m
Cathay Pacific
Deal found 1/27$1,339
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/207:48 pm
STS
-
KIX
2 stops29h 57m
Multiple Airlines
dom. 3/88:45 pm
KIX
-
STS
2 stops29h 26m
Multiple Airlines
Deal found 1/27$1,352
This Expedia deal was found by Cheapflights users on 1/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 3/137:48 pm
STS
-
KIX
2 stops27h 27m
Multiple Airlines
vie. 3/2010:00 am
KIX
-
STS
2 stops29h 59m
Multiple Airlines
Deal found 1/27$1,362
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/207:48 pm
STS
-
KIX
2 stops29h 57m
Multiple Airlines
sáb. 3/78:45 pm
KIX
-
STS
2 stops29h 26m
Multiple Airlines
Deal found 1/27$1,376
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/197:48 pm
STS
-
KIX
2 stops53h 57m
Multiple Airlines
lun. 3/98:45 pm
KIX
-
STS
2 stops29h 26m
Multiple Airlines
Deal found 1/27$1,381

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 enero 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,056
(American Airlines)

One-way from

$426
(Japan Airlines)

Popular in

December

Cheapest in

October

Average price

$837
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. 6% potential increase in price ($63 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($43 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 enero 27, 2026.
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

vie. 3/13

7:48 pm-2:55 pm

3 stops27h 07m

Osaka Kansai Intl

vie. 3/20

10:00 am-11:59 pm

2 stops29h 59m

$1,339

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

vie. 2/20

7:48 pm-6:45 pm

2 stops29h 57m

Osaka Kansai Intl

mar. 3/10

8:45 pm-10:11 am

2 stops29h 26m

$1,352

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

vie. 2/20

7:48 pm-6:45 pm

2 stops29h 57m

Osaka Kansai Intl

dom. 3/8

8:45 pm-10:11 am

2 stops29h 26m

$1,352

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

vie. 2/20

7:48 pm-6:45 pm

2 stops29h 57m

Osaka Kansai Intl

sáb. 3/7

8:45 pm-9:11 am

2 stops29h 26m

$1,376

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

jue. 2/19

7:48 pm-6:45 pm

2 stops53h 57m

Osaka Kansai Intl

lun. 3/9

8:45 pm-10:11 am

2 stops29h 26m

$1,381

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

jue. 2/19

7:48 pm-6:45 pm

2 stops53h 57m

Osaka Kansai Intl

mar. 3/10

8:45 pm-10:11 am

2 stops29h 26m

$1,381

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

mar. 2/24

7:00 am-6:45 pm

2 stops42h 45m

Osaka Kansai Intl

dom. 3/8

8:45 pm-10:11 am

2 stops29h 26m

$1,395

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

mar. 2/24

7:00 am-6:45 pm

2 stops42h 45m

Osaka Kansai Intl

lun. 3/9

8:45 pm-10:11 am

2 stops29h 26m

$1,395

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

mar. 2/24

7:57 pm-10:20 pm

2 stops33h 23m

Osaka Kansai Intl

vie. 3/6

7:00 am-11:50 pm

2 stops33h 50m

$1,405

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

jue. 2/19

7:48 pm-6:45 pm

2 stops53h 57m

Osaka Kansai Intl

sáb. 3/7

8:45 pm-9:11 am

2 stops29h 26m

$1,405

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 20 results
1
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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 $1,051). 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 $1,339, Cathay Pacific can have you in Osaka Kansai Intl Airport from Santa Rosa in 27h 07m. 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, 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 $1,051). 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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