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Cheap flights from Santa Rosa to Osaka from $1,340

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Santa Rosa to Osaka departing on 12/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
6:37 pm - 6:45 pmSTS-KIX
31h 08m2 stops
Alaska Airlines Logo
8:45 pm - 9:56 amKIX-STS
30h 11m2 stops
$1,340Alaska Airlines
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Mon, Dec 22 - Sat, Jan 10
Alaska Airlines Logo
3:53 pm - 6:45 pmSTS-KIX
33h 52m2 stops
Alaska Airlines Logo
8:45 pm - 9:56 amKIX-STS
30h 11m2 stops
$1,362Alaska Airlines
Find Deal
Sat, Dec 20 - Sat, Jan 10
American Airlines Logo
1:18 pm - 6:50 pmSTS-KIX
36h 32m2 stops
American Airlines Logo
5:50 pm - 12:27 pmKIX-STS
35h 37m2 stops
$2,006American Airlines
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Sat, Nov 22 - Tue, Dec 2
American Airlines Logo
4:23 pm - 6:50 pmSTS-KIX
57h 27m2 stops
American Airlines Logo
5:50 pm - 12:27 pmKIX-STS
59h 37m2 stops
$2,030American Airlines
Find Deal
Fri, Nov 21 - Tue, Dec 2
Japan Airlines Logo
7:45 am - 10:15 pmSTS-KIX
21h 30m2 stops
Japan Airlines Logo
5:50 pm - 5:19 pmKIX-STS
16h 29m1 stop
$2,115Japan Airlines
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Thu, Nov 20 - Tue, Dec 2
Multiple Airlines Logo
7:00 am - 5:25 pmSTS-KIX
42h 25m2 stops
Multiple Airlines Logo
6:55 pm - 9:51 pmKIX-STS
42h 56m2 stops
$2,271Multiple Airlines
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Fri, Apr 10 - Sun, Apr 19
Multiple Airlines Logo
7:45 am - 6:50 pmSTS-KIX
18h 05m1 stop
Multiple Airlines Logo
7:00 am - 12:06 pmKIX-STS
22h 06m2 stops
$2,288Multiple Airlines
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Sun, Nov 16 - Sun, Nov 23
Qatar Airways Logo
7:00 am - 5:25 pmSTS-KIX
42h 25m2 stops
Qatar Airways Logo
5:45 pm - 9:51 pmKIX-STS
44h 06m3 stops
$2,702Qatar Airways
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Fri, Apr 10 - Sun, Apr 19
Qatar Airways Logo
8:07 pm - 4:25 pmSTS-KIX
51h 18m2 stops
Qatar Airways Logo
5:55 pm - 9:52 pmKIX-STS
44h 57m2 stops
$2,781Qatar Airways
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Thu, Nov 20 - Tue, Dec 2
Japan Airlines Logo
7:00 am - 2:20 pmSTS-KIX
39h 20m2 stops
Japan Airlines Logo
6:45 am - 9:51 pmKIX-STS
31h 06m2 stops
$4,971Japan Airlines
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Tue, Mar 31 - Mon, Apr 13

Alaska Airlines flights from Santa Rosa to Osaka Kansai Intl Airport

Our best Alaska Airlines deals on Santa Rosa to Osaka Kansai Intl Airport flight tickets
Alaska Airlines
Nov 9
STS8:07 pmSanta Rosa Sonoma County
29h 38m
2 stops
KIX6:45 pmOsaka Kansai Intl
Nov 13
KIX8:45 pmOsaka Kansai Intl
54h 25m
2 stops
STS10:10 amSanta Rosa Sonoma County
$1,269
Find similar
Alaska Airlines
Nov 9
STS6:34 pmSanta Rosa Sonoma County
31h 11m
2 stops
KIX6:45 pmOsaka Kansai Intl
Nov 13
KIX8:45 pmOsaka Kansai Intl
30h 25m
2 stops
STS10:10 amSanta Rosa Sonoma County
$1,289
Find similar
Alaska Airlines
Dec 22
STS6:37 pmSanta Rosa Sonoma County
31h 08m
2 stops
KIX6:45 pmOsaka Kansai Intl
Jan 10
KIX8:45 pmOsaka Kansai Intl
30h 11m
2 stops
STS9:56 amSanta Rosa Sonoma County
$1,340
Find similar

American Airlines flights from Santa Rosa to Osaka Kansai Intl Airport

Our best American Airlines deals on Santa Rosa to Osaka Kansai Intl Airport flight tickets
American Airlines
Nov 22
STS1:18 pmSanta Rosa Sonoma County
36h 32m
2 stops
KIX6:50 pmOsaka Kansai Intl
Dec 2
KIX5:50 pmOsaka Kansai Intl
35h 37m
2 stops
STS12:27 pmSanta Rosa Sonoma County
$2,006
Find similar
American Airlines
Nov 21
STS4:23 pmSanta Rosa Sonoma County
57h 27m
2 stops
KIX6:50 pmOsaka Kansai Intl
Dec 2
KIX5:50 pmOsaka Kansai Intl
59h 37m
2 stops
STS12:27 pmSanta Rosa Sonoma County
$2,030
Find similar
American Airlines
Nov 22
STS12:37 pmSanta Rosa Sonoma County
61h 13m
2 stops
KIX6:50 pmOsaka Kansai Intl
Dec 1
KIX5:50 pmOsaka Kansai Intl
35h 16m
2 stops
STS12:06 pmSanta Rosa Sonoma County
$7,307
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momondo Fare Finder

 
Customize your flight search to find flights from Santa Rosa to Osaka Kansai Intl Airport 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, momondo users made 832,500 searches. Data last updated November 4, 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

Fly to

Route

Depart

Return

Price

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

Mon 12/22

6:37 pm-6:45 pm

2 stops31h 08m

Osaka Kansai Intl

Sat 1/10

8:45 pm-9:56 am

2 stops30h 11m

$1,340

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

Sat 12/20

3:53 pm-6:45 pm

2 stops33h 52m

Osaka Kansai Intl

Sat 1/10

8:45 pm-9:56 am

2 stops30h 11m

$1,362

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

Sat 11/22

1:18 pm-6:50 pm

2 stops36h 32m

Osaka Kansai Intl

Tue 12/2

5:50 pm-12:27 pm

2 stops35h 37m

$2,006

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

Fri 11/21

4:23 pm-6:50 pm

2 stops57h 27m

Osaka Kansai Intl

Tue 12/2

5:50 pm-12:27 pm

2 stops59h 37m

$2,030

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

Thu 11/20

7:45 am-10:15 pm

2 stops21h 30m

Osaka Kansai Intl

Tue 12/2

5:50 pm-5:19 pm

1 stop16h 29m

$2,115

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

Fri 4/10

7:00 am-5:25 pm

2 stops42h 25m

Osaka Kansai Intl

Sun 4/19

6:55 pm-9:51 pm

2 stops42h 56m

$2,271

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

Sun 11/16

7:45 am-6:50 pm

1 stop18h 05m

Osaka Kansai Intl

Sun 11/23

7:00 am-12:06 pm

2 stops22h 06m

$2,288

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

Fri 4/10

7:00 am-5:25 pm

2 stops42h 25m

Osaka Kansai Intl

Sun 4/19

5:45 pm-9:51 pm

3 stops44h 06m

$2,702

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

Thu 11/20

8:07 pm-4:25 pm

2 stops51h 18m

Osaka Kansai Intl

Tue 12/2

5:55 pm-9:52 pm

2 stops44h 57m

$2,781

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

Tue 3/31

7:00 am-2:20 pm

2 stops39h 20m

Osaka Kansai Intl

Mon 4/13

6:45 am-9:51 pm

2 stops31h 06m

$4,971

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to Osaka from

How to get the cheapest flight ticket from Santa Rosa to Osaka Kansai Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Osaka Kansai Intl Airport?

The cheapest day to depart from Santa Rosa to Osaka Kansai Intl Airport is on a Monday. Travelers who choose to depart for Osaka Kansai Intl Airport on a Monday will often find tickets for as low as $1,510. Flights from Santa Rosa to Osaka Kansai Intl Airport on a Saturday will generally be more expensive and average around $1,814. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Osaka Kansai Intl Airport?

Our data shows that the cheapest Santa Rosa to Osaka Kansai Intl Airport flights are usually those with departure times in the evening. Our users have found flights to Osaka Kansai Intl Airport in the evening for as low as $988. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,660 on average. Flights to Osaka Kansai Intl Airport from Santa Rosa in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Santa Rosa to Osaka Kansai Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Santa Rosa to Osaka Kansai Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Santa Rosa to Osaka Kansai Intl Airport (STS to KIX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Santa Rosa to Osaka Kansai Intl Airport

Direct flights

None
There are no direct flights from Santa Rosa to Osaka Kansai Intl Airport. There are no popular flight routes from Santa Rosa to Osaka Kansai Intl Airport.
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  • How far is Santa Rosa Sonoma County to Osaka Kansai Intl by plane?

    Santa Rosa Sonoma County and Osaka Kansai Intl are 5350.4 mi apart from one another. In terms of flight time, this usually takes a little over 18h 05m.

  • When did momondo last update prices for flights from Santa Rosa Sonoma County Airport to Osaka Kansai Intl Airport?

    Prices for flights from Santa Rosa Sonoma County Airport to Osaka Kansai Intl Airport refresh daily.

  • How old do you have to be to fly from Santa Rosa Sonoma County Airport to Osaka Kansai Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Santa Rosa Sonoma County Airport to Osaka Kansai Intl Airport.

  • What documentation or ID do you need to fly to Osaka Kansai Intl Airport?

    The required travel and health documents for your Osaka Kansai Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Osaka Kansai Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Osaka?

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

Why use momondo?

Why should I use momondo to find a flight deal from Santa Rosa to Osaka?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Santa Rosa to Osaka. momondo saves you time and could save you money on your trip.

Can I find flights from Santa Rosa to Osaka with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Osaka from Santa Rosa with this policy.

How can momondo help me find flights from Santa Rosa to Osaka?

momondo helps you find the best flight between Santa Rosa and Osaka by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Santa Rosa to Osaka right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Osaka, momondo offers a useful price alert feature which will track prices for flights to Osaka from Santa Rosa and alert you when they change.

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