$89+ Cheap flights from Riverside, CA to Santa Rosa (STS)
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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — STS
may. 18 — may. 251
Round-trip
1 adult, Economy
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Find cheap flights from Riverside to Santa Rosa with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Riverside to Santa Rosa Sonoma County are usually found in May or July, booked 54 days in advance, depart on a Wednesday or Sunday and return on a Thursday
Cheap flight deals from Riverside to Santa Rosa
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Best
Last-minute
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Cheapest flights from Riverside to Santa RosaExplore the most affordable flight options available from Riverside to Santa Rosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 18, 2026.
Explore the most affordable flight options available from Riverside to Santa Rosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 18, 2026.
This Alaska Airlines deal was found by Cheapflights users on 4/17. 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.
sáb. 5/166:29 pm
LAX
- STS
Nonstop1h 37m
Alaska Airlines
mar. 5/195:21 pm
STS
- LAX
Nonstop1h 40m
Alaska Airlines
Deal found 4/17![Alaska Airlines logo]()
$157
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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. 5/89:15 pm
LAX
- STS
Nonstop1h 46m
Alaska Airlines
mié. 5/135:21 pm
STS
- LAX
Nonstop1h 40m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$177
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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.
mar. 6/99:25 am
LAX
- STS
Nonstop1h 45m
Alaska Airlines
mié. 6/175:35 pm
STS
- LAX
Nonstop1h 40m
Alaska Airlines
Deal found 4/14![Alaska Airlines logo]()
$192
This Trip.com deal was found by Cheapflights users on 4/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/19:25 am
LAX
- STS
Nonstop1h 45m
Alaska Airlines
lun. 6/87:59 am
STS
- LAX
Nonstop1h 39m
Alaska Airlines
Deal found 4/17![Alaska Airlines logo]()
$193
This Trip.com deal was found by Cheapflights users on 4/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 5/319:25 am
LAX
- STS
Nonstop1h 45m
Alaska Airlines
dom. 6/77:59 am
STS
- LAX
Nonstop1h 39m
Alaska Airlines
Deal found 4/16![Alaska Airlines logo]()
$196
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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. 5/297:45 pm
LAX
- STS
Nonstop1h 37m
Alaska Airlines
vie. 6/57:59 am
STS
- LAX
Nonstop1h 39m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$197
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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.
sáb. 5/98:09 am
LAX
- STS
Nonstop1h 52m
Alaska Airlines
vie. 5/157:59 am
STS
- LAX
Nonstop1h 39m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$212
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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.
dom. 5/108:09 am
LAX
- STS
Nonstop1h 52m
Alaska Airlines
mar. 5/127:10 pm
STS
- LAX
Nonstop1h 42m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$217
This Southwest deal was found by Cheapflights users on 4/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/91:55 pm
LAX
- STS
2 stops6h 35m
Southwest
mar. 5/126:00 am
STS
- LAX
2 stops7h 00m
Southwest
Deal found 4/14![Southwest logo]()
$222
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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.
mar. 6/309:00 am
LAX
- STS
Nonstop1h 45m
Alaska Airlines
dom. 7/55:35 pm
STS
- LAX
Nonstop1h 40m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$227
This Alaska Airlines deal was found by Cheapflights users on 4/13. 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.
lun. 5/49:15 pm
LAX
- STS
Nonstop1h 46m
Alaska Airlines
mié. 5/67:10 pm
STS
- LAX
Nonstop1h 42m
Alaska Airlines
Deal found 4/13![Alaska Airlines logo]()
$232
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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.
dom. 5/108:09 am
LAX
- STS
Nonstop1h 52m
Alaska Airlines
vie. 5/157:59 am
STS
- LAX
Nonstop1h 39m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$237
Best flights from Riverside to Santa RosaDiscover carefully curated flight deals from Riverside to Santa Rosa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated abril 18, 2026.
Discover carefully curated flight deals from Riverside to Santa Rosa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated abril 18, 2026.
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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.
mié. 5/610:13 pm
LAX
- STS
Nonstop1h 46m
Alaska Airlines
mar. 5/127:00 am
STS
- LAX
Nonstop1h 46m
Alaska Airlines
Deal found 4/14![Alaska Airlines logo]()
$157
This Southwest deal was found by Cheapflights users on 4/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/112:50 pm
LAX
- STS
2 stops7h 50m
Southwest
mié. 5/136:00 am
STS
- LAX
2 stops9h 30m
Southwest
Deal found 4/13![Southwest logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 4/17. 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.
sáb. 5/98:09 am
LAX
- STS
Nonstop1h 52m
Alaska Airlines
mié. 5/135:21 pm
STS
- LAX
Nonstop1h 40m
Alaska Airlines
Deal found 4/17![Alaska Airlines logo]()
$157
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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. 5/89:15 pm
LAX
- STS
Nonstop1h 46m
Alaska Airlines
mié. 5/135:21 pm
STS
- LAX
Nonstop1h 40m
Alaska Airlines
Deal found 4/14![Alaska Airlines logo]()
$177
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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. 5/147:45 pm
LAX
- STS
Nonstop1h 37m
Alaska Airlines
dom. 5/177:59 am
STS
- LAX
Nonstop1h 39m
Alaska Airlines
Deal found 4/14![Alaska Airlines logo]()
$197
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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. 5/79:15 pm
LAX
- STS
Nonstop1h 46m
Alaska Airlines
lun. 5/116:51 pm
STS
- LAX
Nonstop1h 42m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$197
This Alaska Airlines deal was found by Cheapflights users on 4/13. 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. 5/79:15 pm
LAX
- STS
Nonstop1h 46m
Alaska Airlines
jue. 5/147:59 am
STS
- LAX
Nonstop1h 39m
Alaska Airlines
Deal found 4/13![Alaska Airlines logo]()
$197
This Alaska Airlines deal was found by Cheapflights users on 4/17. 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.
dom. 5/249:25 am
LAX
- STS
Nonstop1h 45m
Alaska Airlines
mié. 5/277:59 am
STS
- LAX
Nonstop1h 39m
Alaska Airlines
Deal found 4/17![Alaska Airlines logo]()
$217
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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. 7/39:00 am
LAX
- STS
Nonstop1h 45m
Alaska Airlines
mié. 7/85:35 pm
STS
- LAX
Nonstop1h 40m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$227
This Alaska Airlines deal was found by Cheapflights users on 4/16. 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.
sáb. 5/166:29 pm
LAX
- STS
Nonstop1h 37m
Alaska Airlines
sáb. 5/231:17 pm
STS
- LAX
1 stop8h 45m
Alaska Airlines
Deal found 4/16![Alaska Airlines logo]()
$270
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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.
sáb. 5/29:15 pm
LAX
- STS
Nonstop1h 46m
Alaska Airlines
mar. 5/57:10 pm
STS
- LAX
Nonstop1h 42m
Alaska Airlines
Deal found 4/14![Alaska Airlines logo]()
$272
Last-minute flights from Riverside to Santa RosaDiscover last-minute flight deals from Riverside to Santa Rosa. Data last updated abril 18, 2026 and is based on user searches.
Discover last-minute flight deals from Riverside to Santa Rosa. Data last updated abril 18, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 4/13. 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.
lun. 5/49:15 pm
LAX
- STS
Nonstop1h 46m
Alaska Airlines
mié. 5/67:10 pm
STS
- LAX
Nonstop1h 42m
Alaska Airlines
Deal found 4/13![Alaska Airlines logo]()
$232
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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. 5/89:15 pm
LAX
- STS
Nonstop1h 46m
Alaska Airlines
mié. 5/135:21 pm
STS
- LAX
Nonstop1h 40m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$177
This CheapOair deal was found by Cheapflights users on 4/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/89:15 pm
LAX
- STS
Nonstop1h 46m
Alaska Airlines
dom. 5/107:00 am
STS
- LAX
Nonstop1h 46m
Alaska Airlines
Deal found 4/13![Alaska Airlines logo]()
$227
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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.
sáb. 5/98:09 am
LAX
- STS
Nonstop1h 52m
Alaska Airlines
mié. 5/135:21 pm
STS
- LAX
Nonstop1h 40m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$192
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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.
sáb. 5/98:09 am
LAX
- STS
Nonstop1h 52m
Alaska Airlines
vie. 5/157:59 am
STS
- LAX
Nonstop1h 39m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$212
This Southwest deal was found by Cheapflights users on 4/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/91:55 pm
LAX
- STS
2 stops6h 35m
Southwest
mar. 5/126:00 am
STS
- LAX
2 stops7h 00m
Southwest
Deal found 4/14![Southwest logo]()
$222
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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.
sáb. 5/98:09 am
LAX
- STS
Nonstop1h 52m
Alaska Airlines
sáb. 5/96:51 pm
STS
- LAX
Nonstop1h 42m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$242
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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.
dom. 5/108:09 am
LAX
- STS
Nonstop1h 52m
Alaska Airlines
mar. 5/127:10 pm
STS
- LAX
Nonstop1h 42m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$217
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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.
dom. 5/108:09 am
LAX
- STS
Nonstop1h 52m
Alaska Airlines
vie. 5/157:59 am
STS
- LAX
Nonstop1h 39m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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.
sáb. 5/166:29 pm
LAX
- STS
Nonstop1h 37m
Alaska Airlines
mar. 5/197:59 am
STS
- LAX
Nonstop1h 39m
Alaska Airlines
Deal found 4/14![Alaska Airlines logo]()
$157
This Alaska Airlines deal was found by Cheapflights users on 4/17. 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. 5/297:45 pm
LAX
- STS
Nonstop1h 37m
Alaska Airlines
dom. 5/317:59 am
STS
- LAX
Nonstop1h 39m
Alaska Airlines
Deal found 4/17![Alaska Airlines logo]()
$197
This Trip.com deal was found by Cheapflights users on 4/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 5/319:25 am
LAX
- STS
Nonstop1h 45m
Alaska Airlines
dom. 6/77:59 am
STS
- LAX
Nonstop1h 39m
Alaska Airlines
Deal found 4/16![Alaska Airlines logo]()
$196
One-way flights from Riverside to Santa RosaSearch for one-way flight options from Riverside to Santa Rosa. Find affordable one-way fares based on user searches. Data last updated abril 18, 2026.
Search for one-way flight options from Riverside to Santa Rosa. Find affordable one-way fares based on user searches. Data last updated abril 18, 2026.
This American Airlines deal was found by Cheapflights users on 4/16. 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. 5/910:13 am
LAX
- STS
1 stop5h 40m
American Airlines
Deal found 4/16![American Airlines logo]()
$89
This Southwest deal was found by Cheapflights users on 4/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/102:15 pm
LAX
- STS
2 stops8h 30m
Southwest
Deal found 4/14![Southwest logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/99:25 am
LAX
- STS
Nonstop1h 45m
Alaska Airlines
Deal found 4/14![Alaska Airlines logo]()
$98
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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.
sáb. 5/306:29 pm
LAX
- STS
Nonstop1h 37m
Alaska Airlines
Deal found 4/14![Alaska Airlines logo]()
$99
This American Airlines deal was found by Cheapflights users on 4/14. 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. 5/306:15 am
LAX
- STS
1 stop6h 18m
American Airlines
Deal found 4/14![American Airlines logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 6/79:25 am
LAX
- STS
Nonstop1h 45m
Alaska Airlines
Deal found 4/14![Alaska Airlines logo]()
$118
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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. 5/79:15 pm
LAX
- STS
Nonstop1h 46m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$119
This Southwest deal was found by Cheapflights users on 4/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/91:55 pm
LAX
- STS
2 stops6h 35m
Southwest
Deal found 4/17![Southwest logo]()
$129
This Trip.com deal was found by Cheapflights users on 4/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/102:09 pm
LAX
- STS
Nonstop1h 46m
Alaska Airlines
Deal found 4/14![Alaska Airlines logo]()
$133
This CheapOair deal was found by Cheapflights users on 4/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/227:45 pm
LAX
- STS
Nonstop1h 37m
Alaska Airlines
Deal found 4/13![Alaska Airlines logo]()
$134
This CheapOair deal was found by Cheapflights users on 4/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/98:09 am
LAX
- STS
Nonstop1h 52m
Alaska Airlines
Deal found 4/16![Alaska Airlines logo]()
$144
Find flight deals from Riverside to Santa Rosa
Keep the following information in mind while searching for Riverside to Santa Rosa flight deals. Data was last updated abril 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $157 (Alaska Airlines) |
One-way from | $89 (American Airlines) |
Popular in | March |
Cheapest in | May |
Average price | $277 |
Cheapflights Fare Finder
Customize your flight search to find flights from Riverside to Santa Rosa 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 abril 18, 2026.
Use the filters below to find and compare flights from Riverside to Santa Rosa that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Los AngelesSanta Rosa
LAX - STS
LAXSTS
Los Angeles
mié. 5/6
10:13 pm-11:59 pm
Nonstop1h 46m
Santa Rosa Sonoma County
mar. 5/12
7:00 am-8:46 am
Nonstop1h 46m
$157
Los AngelesSanta Rosa
LAX - STS
LAXSTS
Los Angeles
sáb. 5/9
8:09 am-10:01 am
Nonstop1h 52m
Santa Rosa Sonoma County
mié. 5/13
5:21 pm-7:01 pm
Nonstop1h 40m
$157
Los AngelesSanta Rosa
LAX - STS
LAXSTS
Los Angeles
vie. 5/8
9:15 pm-11:01 pm
Nonstop1h 46m
Santa Rosa Sonoma County
mié. 5/13
5:21 pm-7:01 pm
Nonstop1h 40m
$177
Quickest round-trip
Los AngelesSanta Rosa
LAX - STS
LAXSTS
Los Angeles
jue. 5/14
7:45 pm-9:22 pm
Nonstop1h 37m
Santa Rosa Sonoma County
dom. 5/17
7:59 am-9:38 am
Nonstop1h 39m
$197
Los AngelesSanta Rosa
LAX - STS
LAXSTS
Los Angeles
jue. 5/7
9:15 pm-11:01 pm
Nonstop1h 46m
Santa Rosa Sonoma County
lun. 5/11
6:51 pm-8:33 pm
Nonstop1h 42m
$197
Los AngelesSanta Rosa
LAX - STS
LAXSTS
Los Angeles
jue. 5/7
9:15 pm-11:01 pm
Nonstop1h 46m
Santa Rosa Sonoma County
jue. 5/14
7:59 am-9:38 am
Nonstop1h 39m
$197
Los AngelesSanta Rosa
LAX - STS
LAXSTS
Los Angeles
dom. 5/24
9:25 am-11:10 am
Nonstop1h 45m
Santa Rosa Sonoma County
mié. 5/27
7:59 am-9:38 am
Nonstop1h 39m
$217
Los AngelesSanta Rosa
LAX - STS
LAXSTS
Los Angeles
vie. 7/3
9:00 am-10:45 am
Nonstop1h 45m
Santa Rosa Sonoma County
mié. 7/8
5:35 pm-7:15 pm
Nonstop1h 40m
$227
Los AngelesSanta Rosa
LAX - STS
LAXSTS
Los Angeles
lun. 5/11
2:50 pm-10:40 pm
2 stops7h 50m
Santa Rosa Sonoma County
mié. 5/13
6:00 am-3:30 pm
2 stops9h 30m
$257
Los AngelesSanta Rosa
LAX - STS
LAXSTS
Los Angeles
sáb. 5/16
6:29 pm-8:06 pm
Nonstop1h 37m
Santa Rosa Sonoma County
sáb. 5/23
1:17 pm-10:02 pm
1 stop8h 45m
$270
Showing 1-10 of 20 resultsSorted by cheapest first
Best time to book a flight from Riverside to Santa Rosa
Have a flexible travel schedule? Discover the best time to fly to Santa Rosa from Riverside with our price prediction graph.
LAX-STS
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 Riverside to Santa Rosa
R1V-STS
LAX-STS
How far ahead should I book a flight from Riverside to Santa Rosa?
Use this chart to determine the optimal time to book a round-trip flight from Riverside to Santa Rosa. Price data was last updated on April 10, 2026.
The best time to book flights from Riverside to Santa Rosa is 54 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest time of day to fly from R1V to STS?
Find hourly flight availability from Riverside to Santa Rosa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 18, 2026.
When flying from Riverside to Santa Rosa, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 34% versus a flight at noon.
What is the cheapest day to fly from Riverside to Santa Rosa?
Use this chart to determine the cheapest time to fly round-trip from Riverside to Santa Rosa. Price data was last updated on April 11, 2026.
Travelers seeking maximum savings on their Riverside to Santa Rosa flight should consider departing on Sunday mornings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
How much does it cost to fly round-trip from Riverside to Santa Rosa?
Reviews of airlines servicing Santa Rosa
Get insights into the airlines that provide service to Santa Rosa. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Santa Rosa. Reviews last updated abril 18, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Hawaiian Airlines, andAvelo Airlines from Riverside to Santa Rosa to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Entertainment
7.0
Food
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Entertainment
7.0
Food
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Entertainment
7.0
Food
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Avelo Airlines
Comfort
7.8
Entertainment
7.0
Food
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Entertainment
7.0
Food
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Entertainment
7.0
Food
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Related info for your journey
Find useful and relevant information for your journey from Riverside to Santa Rosa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Santa Rosa?
Book flights to Santa Rosa if you plan to visit one of these locationsFort Bragg
Ukiah
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Riverside to Santa Rosa
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Complete your trip
Complete your trip to Santa Rosa by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Riverside to Santa Rosa by cabin class
Find flights from Riverside to Santa Rosa, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Riverside and Santa Rosa flights
Browse other Riverside and Santa Rosa flight options. Last updated on abril 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Santa Rosa
Explore flights to Santa Rosa departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on abril 18, 2026.
Riverside to Santa Rosa flights
Consider these flights traveling from Riverside to Santa Rosa.
Top 5 airlines flying from Riverside to Santa Rosa
Discover the top 5 airlines that operate flights from Riverside to Santa Rosa. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated abril 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$40 | Average$138 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$44 | Average$119 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$117 | Average$263 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$137 | Average$286 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$222 | Average$340 | FlexibilityNo cancel fee | On-time71% |