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Cheap flights from Santa Rosa to Osaka from $685

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Santa Rosa to Osaka departing on 11/28. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
7:47 pm - 6:45 pmSTS-KIX
30h 58m2 stops
Alaska Airlines Logo
8:45 pm - 6:48 pmKIX-STS
38h 03m2 stops
$1,171Alaska Airlines
Find Deal
Mon, Mar 23 - Tue, Mar 31
Alaska Airlines Logo
7:47 pm - 6:45 pmSTS-KIX
30h 58m2 stops
Alaska Airlines Logo
8:45 pm - 11:41 pmKIX-STS
18h 56m2 stops
$1,174Alaska Airlines
Find Deal
Tue, Mar 24 - Tue, Mar 31
Alaska Airlines Logo
6:43 pm - 6:45 pmSTS-KIX
55h 02m2 stops
Alaska Airlines Logo
8:45 pm - 10:19 amKIX-STS
30h 34m2 stops
$1,209Alaska Airlines
Find Deal
Mon, Nov 24 - Tue, Dec 2
Japan Airlines Logo
7:00 am - 6:50 pmSTS-KIX
19h 50m1 stop
Japan Airlines Logo
5:55 pm - 11:41 pmKIX-STS
21h 46m1 stop
$1,212Japan Airlines
Find Deal
Sun, Mar 22 - Wed, Apr 1
Japan Airlines Logo
7:00 am - 6:50 pmSTS-KIX
19h 50m1 stop
Japan Airlines Logo
6:45 am - 11:41 pmKIX-STS
32h 56m2 stops
$1,214Japan Airlines
Find Deal
Sun, Mar 22 - Wed, Apr 1
American Airlines Logo
12:47 pm - 6:50 pmSTS-KIX
62h 03m2 stops
American Airlines Logo
5:55 pm - 12:19 pmKIX-STS
34h 24m2 stops
$1,654American Airlines
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Fri, Mar 20 - Wed, Apr 1
American Airlines Logo
4:12 pm - 6:50 pmSTS-KIX
58h 38m2 stops
American Airlines Logo
5:55 pm - 3:50 pmKIX-STS
37h 55m2 stops
$1,661American Airlines
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Fri, Mar 20 - Thu, Apr 2
Qatar Airways Logo
7:00 am - 7:40 amSTS-ITM
56h 40m3 stops
Qatar Airways Logo
8:10 pm - 9:51 pmITM-STS
41h 41m3 stops
$2,851Qatar Airways
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Sun, Mar 22 - Mon, Mar 30
Qatar Airways Logo
7:00 am - 7:35 amSTS-ITM
56h 35m3 stops
Qatar Airways Logo
4:55 pm - 9:51 pmITM-STS
44h 56m3 stops
$3,566Qatar Airways
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Thu, Apr 2 - Sun, Apr 12
Multiple Airlines Logo
6:37 pm - 7:40 amSTS-ITM
68h 03m3 stops
Multiple Airlines Logo
4:50 pm - 12:18 amITM-STS
48h 28m3 stops
$4,364Multiple Airlines
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Thu, Dec 25 - Sat, Jan 3

Alaska Airlines flights from Santa Rosa to Osaka

Our best Alaska Airlines deals on Santa Rosa to Osaka flight tickets
Alaska Airlines
Mar 23
STS7:47 pmSanta Rosa Sonoma County
30h 58m
2 stops
KIX6:45 pmOsaka Kansai Intl
Mar 31
KIX8:45 pmOsaka Kansai Intl
38h 03m
2 stops
STS6:48 pmSanta Rosa Sonoma County
$1,171
Find similar
Alaska Airlines
Mar 24
STS7:47 pmSanta Rosa Sonoma County
30h 58m
2 stops
KIX6:45 pmOsaka Kansai Intl
Mar 31
KIX8:45 pmOsaka Kansai Intl
18h 56m
2 stops
STS11:41 pmSanta Rosa Sonoma County
$1,174
Find similar
Alaska Airlines
Nov 24
STS6:43 pmSanta Rosa Sonoma County
55h 02m
2 stops
KIX6:45 pmOsaka Kansai Intl
Dec 2
KIX8:45 pmOsaka Kansai Intl
30h 34m
2 stops
STS10:19 amSanta Rosa Sonoma County
$1,209
Find similar

Japan Airlines flights from Santa Rosa to Osaka

Our best Japan Airlines deals on Santa Rosa to Osaka flight tickets
Japan Airlines
Mar 22
STS7:00 amSanta Rosa Sonoma County
19h 50m
1 stop
KIX6:50 pmOsaka Kansai Intl
Apr 1
KIX5:55 pmOsaka Kansai Intl
21h 46m
1 stop
STS11:41 pmSanta Rosa Sonoma County
$1,212
Find similar
Japan Airlines
Mar 22
STS7:00 amSanta Rosa Sonoma County
19h 50m
1 stop
KIX6:50 pmOsaka Kansai Intl
Apr 1
KIX6:45 amOsaka Kansai Intl
32h 56m
2 stops
STS11:41 pmSanta Rosa Sonoma County
$1,214
Find similar
Japan Airlines
Mar 22
STS7:00 amSanta Rosa Sonoma County
23h 15m
2 stops
KIX10:15 pmOsaka Kansai Intl
Mar 31
KIX9:10 pmOsaka Kansai Intl
42h 31m
2 stops
STS11:41 pmSanta Rosa Sonoma County
$1,220
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Santa Rosa to Osaka 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 October 22, 2025.
Use the filters below to find and compare flights from Santa Rosa to Osaka that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

Mon 3/23

7:47 pm-6:45 pm

2 stops30h 58m

Osaka Kansai Intl

Tue 3/31

8:45 pm-6:48 pm

2 stops38h 03m

$1,171

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

Tue 3/24

7:47 pm-6:45 pm

2 stops30h 58m

Osaka Kansai Intl

Tue 3/31

8:45 pm-11:41 pm

2 stops18h 56m

$1,174

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 stops30h 34m

$1,209

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

Sun 3/22

7:00 am-6:50 pm

1 stop19h 50m

Osaka Kansai Intl

Wed 4/1

5:55 pm-11:41 pm

1 stop21h 46m

$1,212

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

Sun 3/22

7:00 am-6:50 pm

1 stop19h 50m

Osaka Kansai Intl

Wed 4/1

6:45 am-11:41 pm

2 stops32h 56m

$1,214

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

Fri 3/20

12:47 pm-6:50 pm

2 stops62h 03m

Osaka Kansai Intl

Wed 4/1

5:55 pm-12:19 pm

2 stops34h 24m

$1,654

Santa RosaOsaka

STS - KIX

STSKIX

Santa Rosa Sonoma County

Fri 3/20

4:12 pm-6:50 pm

2 stops58h 38m

Osaka Kansai Intl

Thu 4/2

5:55 pm-3:50 pm

2 stops37h 55m

$1,661

Santa RosaOsaka

STS - ITM

STSITM

Santa Rosa Sonoma County

Sun 3/22

7:00 am-7:40 am

3 stops56h 40m

Osaka Itami

Mon 3/30

8:10 pm-9:51 pm

3 stops41h 41m

$2,851

Santa RosaOsaka

STS - ITM

STSITM

Santa Rosa Sonoma County

Thu 4/2

7:00 am-7:35 am

3 stops56h 35m

Osaka Itami

Sun 4/12

4:55 pm-9:51 pm

3 stops44h 56m

$3,566

Santa RosaOsaka

STS - ITM

STSITM

Santa Rosa Sonoma County

Thu 12/25

6:37 pm-7:40 am

3 stops68h 03m

Osaka Itami

Sat 1/3

4:50 pm-12:18 am

3 stops48h 28m

$4,364

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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

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?

According to our data, Wednesday is the cheapest day to fly to Osaka from Santa Rosa. The lowest ticket price found for a Wednesday departure recently was $1,562. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Santa Rosa to Osaka for around $1,806.

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

Our data shows that the cheapest Santa Rosa to Osaka flights are usually those with departure times in the evening. Our users have found flights to Osaka in the evening for as low as $1,049. Flights to Osaka are more costly in the morning, with an average ticket price of $1,674. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Santa Rosa to Osaka

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

Cheap Santa Rosa to Osaka (STS to OSA) flight deals and tips

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

Direct flights

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

    The straight-line distance from Santa Rosa Sonoma County to Osaka is 5328.1 mi. 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?

    Prices for flights from Santa Rosa Sonoma County Airport to Osaka are refreshed on a daily basis.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Santa Rosa Sonoma County Airport to Osaka.

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

    The required travel and health documents for your Osaka 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. 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
Nishinomiya

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Osaka from Santa Rosa.

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

All flight searches from Santa Rosa to Osaka on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Santa Rosa to Osaka.

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

Yes. momondo can track prices for Santa Rosa to Osaka flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Osaka trip

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Find better results for your trip to Japan

Fly into one of these airports located in Osaka

Airports listed have a maximum distance of 22.5 mi from Osaka
Osaka Itami Airport
Osaka Kansai Intl Airport