Title: Cheap Flights from Riverside (RAL) to Santa Rosa (STS) - Expedia.ca ![Annual Sonoma Hot Air Balloon Classic (Windsor, CA)](https://images.trvl-media.com/place/9542/b4ccdb92-b048-45af-b643-5a9cc297deeb.jpg?impolicy=fcrop&w=1200&h=500&q=medium) Photo by Rick Alvarez ![](https://images.trvl-media.com/place/9542/b4ccdb92-b048-45af-b643-5a9cc297deeb.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Riverside (RAL) to Santa Rosa (STS) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Riverside, CA (RAL-Riverside Municipal) to Santa Rosa, CA (STS-Sonoma County) - ![Air Canada](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.ca/Flights-Search?leg1=from:ral,to:sts,departure:17/10/2025TANYT&leg2=from:sts,to:ral,departure:24/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![WestJet](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WS.svg) WestJet [](https://www.expedia.ca/Flights-Search?leg1=from:ral,to:sts,departure:17/10/2025TANYT&leg2=from:sts,to:ral,departure:24/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WS"}}]) - ![Flair Airlines](https://a.travel-assets.com/air/airlines/f8_sq.svg) Flair Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:ral,to:sts,departure:17/10/2025TANYT&leg2=from:sts,to:ral,departure:24/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F8"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:ral,to:sts,departure:17/10/2025TANYT&leg2=from:sts,to:ral,departure:24/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:ral,to:sts,departure:17/10/2025TANYT&leg2=from:sts,to:ral,departure:24/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:ral,to:sts,departure:17/10/2025TANYT&leg2=from:sts,to:ral,departure:24/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![Porter Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_PD.svg) Porter Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:ral,to:sts,departure:17/10/2025TANYT&leg2=from:sts,to:ral,departure:24/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"PD"}}]) - ## Plan, book, fly with confidence - ### Be in the know Get alerts if flight prices drop or rise\* - ### Book smarter Save up to 30% on select hotels after you book a flight\* - ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## Frequently asked questions ### How much is a flight from RAL to Sonoma County Airport? > Within the past 7 days on Expedia, for flights departing within the next year, the lowest price available for a round-trip journey between RAL and STS was . Fares this cheap don't stick around for long, so book yours today. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from RAL to Sonoma County Airport? > This can vary from airline to airline, as each has its own terms and conditions. Head to the [Customer Service Portal](https://www.expedia.ca/helpcenter), where there are instructions on how to cancel your flight online. ### How do I find cheap flights from RAL to Sonoma County Airport (STS) that have flexible change policies? > Flights from RAL to Sonoma County Airport (STS) offering flexible change policies are available with many carriers. Simply use our "No change fees" filter while searching. You'll only need to pay the fare difference, with no additional fees to worry about. ### How far is the flight from RAL to Sonoma County Airport? > That new movie you've been desperate to see will have to wait — the flight distance between RAL (RAL) and STS (STS) is only 700 kilometres. The captain will be instructing you to buckle up for landing before you know it. ### Which airlines fly direct from RAL to STS? > Unfortunately, there aren't any airlines that directly fly between RAL and STS. You'll need to book a flight with one or more stops. ### Are RAL to STS flight tickets cheaper when they're purchased at the last minute? > Late planners can sometimes nab a bargain, with some of the cheapest fares from RAL to Sonoma County Airport (STS) popping up a few weeks before the departure date. If you'd rather plan ahead of time, Expedia compares and updates all the best flight deals regularly — as early as 12 months in advance in some cases. It depends on the carrier though, as not all airlines quote prices so far in advance. ## Travel information | Origin airport | Riverside Municipal | | --- | --- | | Destination airport | Sonoma County | | Distance | 694 km | ## Book with confidence ### Riverside to Windsor Flights **The easy way to book your flights from Riverside to Santa Rosa**  With Expedia, it’s simple to find and book flights to Santa Rosa from Riverside whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Sonoma County, too.   Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Riverside to Santa Rosa today, tomorrow, or this week.   **Save dollars with cheap flights from Riverside Municipal, RAL to Sonoma County, STS**  Sort your search results by price to find great deals on your flight from Riverside to Santa Rosa—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Santa Rosa from Riverside currently is just rising to .   Here are more money-saving tips:  - Fly in when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to Santa Rosa   - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times  - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!  **Reasons to choose Expedia for your flight to Santa Rosa from Riverside**  Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Santa Rosa with Expedia today. ## Explore a world of travel with Expedia - Flights - [Flights from Dortmund to Napa](https://www.expedia.ca/lp/flights/1066/6141/dortmund-to-napa) - [Flights from Grand Forks to Napa](https://www.expedia.ca/lp/flights/1312/6141/grand-forks-to-napa) - [Flights from Grand Junction to Napa](https://www.expedia.ca/lp/flights/1331/6141/grand-junction-to-napa) - [Flights from Great Falls to Napa](https://www.expedia.ca/lp/flights/1392/6141/great-falls-to-napa) - [Flights from Guayaquil to Napa](https://www.expedia.ca/lp/flights/1414/6141/guayaquil-to-napa) - [Flights from Hilo to Napa](https://www.expedia.ca/lp/flights/1643/6141/hilo-to-napa) - [Flights from Atlanta to Santa Rosa](https://www.expedia.ca/lp/flights/178232/3288/atlanta-to-santa-rosa) - [Flights from Chicago to Napa Valley](https://www.expedia.ca/lp/flights/178248/180046/chicago-to-napa-valley) - [Flights from Chicago to Petaluma](https://www.expedia.ca/lp/flights/178248/9091/chicago-to-petaluma) - [Flights from Columbus to Petaluma](https://www.expedia.ca/lp/flights/178251/9091/columbus-to-petaluma) - [Flights from Detroit to Napa Valley](https://www.expedia.ca/lp/flights/178255/180046/detroit-to-napa-valley) - [Flights from Detroit to Napa](https://www.expedia.ca/lp/flights/178255/6141/detroit-to-napa) - [Flights from Dublin to Napa](https://www.expedia.ca/lp/flights/178256/6141/dublin-to-napa) - [Flights from Indianapolis to Napa](https://www.expedia.ca/lp/flights/178266/6141/indianapolis-to-napa) - [Flights from Indianapolis to Petaluma](https://www.expedia.ca/lp/flights/178266/9091/indianapolis-to-petaluma) - [Flights from Las Vegas to Napa Valley](https://www.expedia.ca/lp/flights/178276/180046/las-vegas-to-napa-valley) - [Flights from Las Vegas to Santa Rosa](https://www.expedia.ca/lp/flights/178276/3288/las-vegas-to-santa-rosa) - [Flights from Lisbon District to Santa Rosa](https://www.expedia.ca/lp/flights/178278/3288/lisbon-district-to-santa-rosa) - [Flights from Los Angeles to Napa Valley](https://www.expedia.ca/lp/flights/178280/180046/los-angeles-to-napa-valley) - [Flights from Los Angeles to Petaluma](https://www.expedia.ca/lp/flights/178280/9091/los-angeles-to-petaluma) - [Flights from New York to Napa Valley](https://www.expedia.ca/lp/flights/178293/180046/new-york-to-napa-valley) - [Flights from Portland to Napa Valley](https://www.expedia.ca/lp/flights/178299/180046/portland-to-napa-valley) - [Flights from Santiago to Napa](https://www.expedia.ca/lp/flights/178306/6141/santiago-to-napa) - [Flights from Seattle to Napa](https://www.expedia.ca/lp/flights/178307/6141/seattle-to-napa) - [Flights from Marseille to Santa Rosa](https://www.expedia.ca/lp/flights/179895/3288/marseille-to-santa-rosa) - [Flights from Brisbane to Napa](https://www.expedia.ca/lp/flights/179993/6141/brisbane-to-napa) - [Flights from Budapest to Napa](https://www.expedia.ca/lp/flights/179994/6141/budapest-to-napa) - [Flights from Charleston to Napa](https://www.expedia.ca/lp/flights/179997/6141/charleston-to-napa) - [Flights from Edmonton to Santa Rosa](https://www.expedia.ca/lp/flights/180002/3288/edmonton-to-santa-rosa) - [Flights from Jackson to Napa](https://www.expedia.ca/lp/flights/180006/6141/jackson-to-napa) - [Flights from Santo Domingo to Napa](https://www.expedia.ca/lp/flights/180024/6141/santo-domingo-to-napa) - [Flights from Sacramento to Santa Rosa](https://www.expedia.ca/lp/flights/180049/3288/sacramento-to-santa-rosa) - [Flights from Palm Springs to Napa](https://www.expedia.ca/lp/flights/180676/6141/palm-springs-to-napa) - [Flights from Kailua-Kona to Napa](https://www.expedia.ca/lp/flights/1879/6141/kailua-kona-to-napa) - [Flights from Monroe to Napa](https://www.expedia.ca/lp/flights/2352/6141/monroe-to-napa) - [Flights from Montrose to Napa](https://www.expedia.ca/lp/flights/2439/6141/montrose-to-napa) - [Flights from Kahului to Napa](https://www.expedia.ca/lp/flights/2646/6141/kahului-to-napa) - [Flights from Plattsburgh to Napa](https://www.expedia.ca/lp/flights/2816/6141/plattsburgh-to-napa) - [Flights from Roanoke to Napa](https://www.expedia.ca/lp/flights/3020/6141/roanoke-to-napa) - [Flights from San Diego to Santa Rosa](https://www.expedia.ca/lp/flights/3073/3288/san-diego-to-santa-rosa) - [Flights from Santa Monica to Napa](https://www.expedia.ca/lp/flights/3220/6141/santa-monica-to-napa) - [Flights from Shannon to Santa Rosa](https://www.expedia.ca/lp/flights/3229/3288/shannon-to-santa-rosa) - [Flights from Amarillo to Santa Rosa](https://www.expedia.ca/lp/flights/371/3288/amarillo-to-santa-rosa) - [Flights from Nanaimo to Santa Rosa](https://www.expedia.ca/lp/flights/3908/3288/nanaimo-to-santa-rosa) - [Flights from Fredericton to Santa Rosa](https://www.expedia.ca/lp/flights/3935/3288/fredericton-to-santa-rosa) - [Flights from Fredericton to Napa](https://www.expedia.ca/lp/flights/3935/6141/fredericton-to-napa) - [Flights from Hamilton to Santa Rosa](https://www.expedia.ca/lp/flights/3963/3288/hamilton-to-santa-rosa) - [Flights from Moncton to Santa Rosa](https://www.expedia.ca/lp/flights/4051/3288/moncton-to-santa-rosa) - [Flights from Moncton to Napa](https://www.expedia.ca/lp/flights/4051/6141/moncton-to-napa) - [Flights from Saskatoon to Napa](https://www.expedia.ca/lp/flights/4117/6141/saskatoon-to-napa) - [Flights from Medicine Hat to Napa](https://www.expedia.ca/lp/flights/4118/6141/medicine-hat-to-napa) - [Flights from Barranquilla to Napa](https://www.expedia.ca/lp/flights/494/6141/barranquilla-to-napa) - [Flights from Paisley to Santa Rosa](https://www.expedia.ca/lp/flights/5601/3288/paisley-to-santa-rosa) - [Flights from Fort St. John to Napa](https://www.expedia.ca/lp/flights/57378/6141/fort-st-john-to-napa) - [Flights from Des Moines to Napa](https://www.expedia.ca/lp/flights/601690/6141/des-moines-to-napa) - [Flights from Newark to Napa Valley](https://www.expedia.ca/lp/flights/601760/180046/newark-to-napa-valley) - [Flights from Oakland to Napa](https://www.expedia.ca/lp/flights/601762/6141/oakland-to-napa) - [Flights from Santa Barbara to Santa Rosa](https://www.expedia.ca/lp/flights/602277/3288/santa-barbara-to-santa-rosa) - [Flights from South Bend to Napa](https://www.expedia.ca/lp/flights/6023340/6141/south-bend-to-napa) - [Flights from Daytona Beach to Napa](https://www.expedia.ca/lp/flights/6023995/6141/daytona-beach-to-napa) - [Flights from Medford to Napa](https://www.expedia.ca/lp/flights/602702/6141/medford-to-napa) - [Flights from Niagara Falls to Napa](https://www.expedia.ca/lp/flights/602721/6141/niagara-falls-to-napa) - [Flights from Eugene to Napa](https://www.expedia.ca/lp/flights/602875/6141/eugene-to-napa) - [Flights from Bellingham to Santa Rosa](https://www.expedia.ca/lp/flights/602922/3288/bellingham-to-santa-rosa) - [Flights from Saint John to Napa](https://www.expedia.ca/lp/flights/602956/6141/saint-john-to-napa) - [Flights from Springfield to Napa](https://www.expedia.ca/lp/flights/602962/6141/springfield-to-napa) - [Flights from Cedar Rapids - Iowa City to Napa](https://www.expedia.ca/lp/flights/602979/6141/cedar-rapids-iowa-city-to-napa) - [Flights from Montgomery to Napa](https://www.expedia.ca/lp/flights/602983/6141/montgomery-to-napa) - [Flights from Stockton to Santa Rosa](https://www.expedia.ca/lp/flights/602989/3288/stockton-to-santa-rosa) - [Flights from Stockton to Napa](https://www.expedia.ca/lp/flights/602989/6141/stockton-to-napa) - [Flights from Modesto to Napa](https://www.expedia.ca/lp/flights/602990/6141/modesto-to-napa) - [Flights from Fort Wayne to Napa](https://www.expedia.ca/lp/flights/603000/6141/fort-wayne-to-napa) - [Flights from Lexington to Napa](https://www.expedia.ca/lp/flights/603003/6141/lexington-to-napa) - [Flights from Baton Rouge to Napa](https://www.expedia.ca/lp/flights/603004/6141/baton-rouge-to-napa) - [Flights from Grand Rapids to Santa Rosa](https://www.expedia.ca/lp/flights/603005/3288/grand-rapids-to-santa-rosa) - [Flights from Asheville to Napa](https://www.expedia.ca/lp/flights/6034866/6141/asheville-to-napa) - [Flights from Liverpool to Napa](https://www.expedia.ca/lp/flights/6046241/6141/liverpool-to-napa) - [Flights from Newcastle to Santa Rosa](https://www.expedia.ca/lp/flights/6047788/3288/newcastle-to-santa-rosa) - [Flights from Murrieta to Napa](https://www.expedia.ca/lp/flights/6048033/6141/murrieta-to-napa) - [Flights from Gainesville to Napa](https://www.expedia.ca/lp/flights/6048189/6141/gainesville-to-napa) - [Flights from Adelaide to Napa](https://www.expedia.ca/lp/flights/6051330/6141/adelaide-to-napa) - [Flights from Everett to Santa Rosa](https://www.expedia.ca/lp/flights/6054460/3288/everett-to-santa-rosa) - [Flights from Corvallis to Napa](https://www.expedia.ca/lp/flights/6054606/6141/corvallis-to-napa) - [Flights from Carlsbad to Napa](https://www.expedia.ca/lp/flights/6056550/6141/carlsbad-to-napa) - [Flights from Wichita to Napa](https://www.expedia.ca/lp/flights/6058350/6141/wichita-to-napa) - [Flights from Chilliwack to Santa Rosa](https://www.expedia.ca/lp/flights/6058408/3288/chilliwack-to-santa-rosa) - [Flights from Fargo to Napa](https://www.expedia.ca/lp/flights/6059376/6141/fargo-to-napa) - [Flights from Sioux Falls to Napa](https://www.expedia.ca/lp/flights/6059512/6141/sioux-falls-to-napa) - [Flights from Wausau to Napa](https://www.expedia.ca/lp/flights/6059699/6141/wausau-to-napa) - [Flights from Casablanca to Santa Rosa](https://www.expedia.ca/lp/flights/6084755/3288/casablanca-to-santa-rosa) - [Flights from Indio to Napa](https://www.expedia.ca/lp/flights/6085/6141/indio-to-napa) - [Flights from Windsor to Napa](https://www.expedia.ca/lp/flights/6127335/6141/windsor-to-napa) - [Flights from North Bay to Santa Rosa](https://www.expedia.ca/lp/flights/6134289/3288/north-bay-to-santa-rosa) - [Flights from Winnipeg to Santa Rosa](https://www.expedia.ca/lp/flights/6141041/3288/winnipeg-to-santa-rosa) - [Flights from Phnom Penh to Santa Rosa](https://www.expedia.ca/lp/flights/6191801/3288/phnom-penh-to-santa-rosa) - [Flights from Braganca to Santa Rosa](https://www.expedia.ca/lp/flights/6345/3288/braganca-to-santa-rosa) - [Flights from Derby to Napa](https://www.expedia.ca/lp/flights/7573/6141/derby-to-napa) - [Flights from Henderson to Napa](https://www.expedia.ca/lp/flights/7586/6141/henderson-to-napa) - [Flights from College Station to Napa](https://www.expedia.ca/lp/flights/861/6141/college-station-to-napa) - [Flights from Windsor to Napa](https://www.expedia.ca/lp/flights/9542/6141/windsor-to-napa) \*Available to Expedia members.