Title: San Carlos to Santa Rosa cheap flights (SQL to STS) - Expedia.com ![](https://images.trvl-media.com/place/3288/93d7ff98-0178-43a1-b262-1a96bbba25d1.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/3288/93d7ff98-0178-43a1-b262-1a96bbba25d1.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from San Carlos (SQL) to Santa Rosa (STS) ## Popular airlines from San Carlos, CA (SQL) to Santa Rosa, CA (STS-Sonoma County) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.com/Flights-Search?leg1=from:SQL,to:STS,departure:4/8/2026TANYT&leg2=from:STS,to:SQL,departure:4/15/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.com/Flights-Search?leg1=from:SQL,to:STS,departure:4/8/2026TANYT&leg2=from:STS,to:SQL,departure:4/15/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines [](https://www.expedia.com/Flights-Search?leg1=from:SQL,to:STS,departure:4/8/2026TANYT&leg2=from:STS,to:SQL,departure:4/15/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.com/Flights-Search?leg1=from:SQL,to:STS,departure:4/8/2026TANYT&leg2=from:STS,to:SQL,departure:4/15/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg) Frontier Airlines [](https://www.expedia.com/Flights-Search?leg1=from:SQL,to:STS,departure:4/8/2026TANYT&leg2=from:STS,to:SQL,departure:4/15/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_B6.svg) JetBlue Airways [](https://www.expedia.com/Flights-Search?leg1=from:SQL,to:STS,departure:4/8/2026TANYT&leg2=from:STS,to:SQL,departure:4/15/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.com/Flights-Search?leg1=from:SQL,to:STS,departure:4/8/2026TANYT&leg2=from:STS,to:SQL,departure:4/15/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) ## Frequently asked questions ### How much does a flight from San Carlos, CA (SQL) to Santa Rosa, CA (STS-Sonoma County) cost? ### What is the cheapest month to fly from San Carlos, CA (SQL) to Santa Rosa, CA (STS-Sonoma County)? ### Which airlines fly direct from San Carlos, CA (SQL) to Santa Rosa, CA (STS-Sonoma County)? ### How do I find cheap flights from San Carlos, CA (SQL) to Santa Rosa, CA (STS-Sonoma County)? ### What is the best time to fly from San Carlos, CA (SQL) to Santa Rosa, CA (STS-Sonoma County)? ### What is the earliest flight from San Carlos, CA (SQL) to Santa Rosa, CA (STS-Sonoma County)? ### Can you fly business or first class from San Carlos, CA (SQL) to Santa Rosa, CA (STS-Sonoma County)? ### How do I earn miles on a San Carlos, CA (SQL) to Santa Rosa, CA (STS-Sonoma County) flight with Expedia? ### Is it cheaper to buy a plane ticket from San Carlos, CA (SQL) to Santa Rosa, CA (STS-Sonoma County) at the last minute? ### Is it cheaper to book a San Carlos, CA (SQL) to Santa Rosa, CA (STS-Sonoma County) flight and hotel package? ### Can I cancel or change the date of my flight from San Carlos, CA (SQL) to Santa Rosa, CA (STS-Sonoma County)? ## Travel information | Origin airport | San Carlos | | ------------------- | ------------- | | Destination airport | Sonoma County | | Distance | 75 mi | ## Book with confidence # San Carlos to Santa Rosa Flights The cheapest times to fly from San Carlos to Santa Rosa On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Carlos to Santa Rosa are during the month of . You can find some of the cheapest flights from San Carlos to Santa Rosa with Expedia's search tool and vast selection of airlines. The best time to book a flight from San Carlos to Santa Rosa Sunday is one of the best days to book for cheap flights from San Carlos to Santa Rosa: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance. How to find cheap round-trip tickets from San Carlos to Santa Rosa Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Carlos to Santa Rosa in 2026\. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference\*. This is available for a small fee, and is free to One Key Gold and Platinum tier members. Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Carlos to Santa Rosa flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps. You could also save big by booking one of Expedia's [vacation packages](https://www.expedia.com/package-deals). Bundling together your San Carlos to Santa Rosa airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures. \*Terms apply. Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023\. The percentages you see are averages. \*Flight schedules are subject to change. ## Explore a world of travel with Expedia - Lodging - Flights - Packages - Cars - Vacation Rentals - Other - [Hotels near Windsor Golf Club ](https://www.expedia.com/Windsor-Golf-Club-Hotels.0-l6327439-0.Travel-Guide-Filter-Hotels) - [Hotels near Sonoma-Cutrer Vineyards Cutrer Vineyard ](https://www.expedia.com/Sonoma-Cutrer-Vineyards-Cutrer-Vineyard-Hotels.0-l553248621532640647-0.Travel-Guide-Filter-Hotels) - [Hotels near Russian Hill Estate Vineyards ](https://www.expedia.com/Russian-Hill-Estate-Vineyards-Hotels.0-l553248621532640704-0.Travel-Guide-Filter-Hotels) - [Hotels near Martinelli Vineyard ](https://www.expedia.com/Martinelli-Vineyard-Hotels.0-l553248621532640686-0.Travel-Guide-Filter-Hotels) - [Hotels near Kendall-Jackson Winery ](https://www.expedia.com/Kendall-Jackson-Winery-Hotels.0-l553248621532640712-0.Travel-Guide-Filter-Hotels) - [Hotels near Kendall-Jackson Wine Estate and Gardens ](https://www.expedia.com/Kendall-Jackson-Wine-Estate-And-Gardens-Hotels.0-l6068461-0.Travel-Guide-Filter-Hotels) - [Fulton Hotels ](https://www.expedia.com/Fulton-Hotels.d6340361.Travel-Guide-Hotels) - [Cottages in Fulton ](https://www.expedia.com/Fulton-Cottages.d6340361-aaCottages.Travel-Guide-Accommodation) - [B&B in Fulton ](https://www.expedia.com/Fulton-Bed-And-Breakfast.d6340361-aaBedAndBreakfast.Travel-Guide-Accommodation) - [Motels in Fulton ](https://www.expedia.com/Fulton-Motels.d6340361-aaMotels.Travel-Guide-Accommodation) - [5 Star Hotels in Fulton ](https://www.expedia.com/5Star-Fulton-Hotels.s50-0-d6340361.Travel-Guide-Filter-Hotels) - [Cabin Rentals in Fulton ](https://www.expedia.com/Fulton-Cabins.d6340361-aaCabins.Travel-Guide-Accommodation) - [3 Star Hotels in Fulton ](https://www.expedia.com/3Star-Fulton-Hotels.s30-0-d6340361.Travel-Guide-Filter-Hotels) - [4 Star Hotels in Fulton ](https://www.expedia.com/4Star-Fulton-Hotels.s40-0-d6340361.Travel-Guide-Filter-Hotels) - [Windsor Hotels ](https://www.expedia.com/Windsor-Hotels.d9542.Travel-Guide-Hotels) - [Cheap Hotels in Windsor ](https://www.expedia.com/Windsor-Hotels-Cheap-Hotels.0-0-d9542-tCheapHotels.Travel-Guide-Filter-Hotels) - [Larkfield-Wikiup Hotels ](https://www.expedia.com/Larkfield-Wikiup-Hotels.d553248635975865550.Travel-Guide-Hotels) - [4 Star Hotels in Windsor ](https://www.expedia.com/4Star-Windsor-Hotels.s40-0-d9542.Travel-Guide-Filter-Hotels) - [Pet-Friendly Hotels in Windsor ](https://www.expedia.com/Windsor-Hotels-Pet-Friendly-Hotel.0-0-d9542-tPetfriendlyHotel.Travel-Guide-Filter-Hotels) - [Condo Rentals in Windsor ](https://www.expedia.com/Windsor-Condos.d9542-aaCondos.Travel-Guide-Accommodation) - [Romantic Hotels in Windsor ](https://www.expedia.com/Windsor-Hotels-Romantic-Hotel.0-0-d9542-tRomanticHotel.Travel-Guide-Filter-Hotels) - [Resorts & Hotels with Spas in Windsor ](https://www.expedia.com/Windsor-Hotels-Spa-Hotel.0-0-d9542-tSpaHotel.Travel-Guide-Filter-Hotels) - [Winery Hotels in Windsor ](https://www.expedia.com/Windsor-Hotels-Winery-Hotel.0-0-d9542-tWineryHotel.Travel-Guide-Filter-Hotels) - [Resorts in Windsor ](https://www.expedia.com/Windsor-Resorts.d9542-aaResorts.Travel-Guide-Accommodation) - [Best Western Hotels in Windsor ](https://www.expedia.com/Windsor-Hotels-Best-Western.0-0-d9542--bBestWestern.Travel-Guide-Filter-Hotels) - [Motel 6 Hotels in Windsor ](https://www.expedia.com/Windsor-Hotels-Motel-6.0-0-d9542--bMotel6.Travel-Guide-Filter-Hotels) - [Hotels with Restaurants in Windsor ](https://www.expedia.com/Windsor-Hotels-Hotels-With-Restaurants.0-0-d9542-tHotelswithRestaurants.Travel-Guide-Filter-Hotels) - [Casino Hotels in Windsor ](https://www.expedia.com/Windsor-Hotels-Casino-Hotel.0-0-d9542-tCasinoHotel.Travel-Guide-Filter-Hotels) - [3 Star Hotels in Windsor ](https://www.expedia.com/3Star-Windsor-Hotels.s30-0-d9542.Travel-Guide-Filter-Hotels) - [Marriott Hotels & Resorts in Windsor ](https://www.expedia.com/Windsor-Hotels-Marriott-Hotels-Resorts.0-0-d9542--bMarriottHotelsResorts.Travel-Guide-Filter-Hotels) - [Hotels with Kitchenettes in Windsor ](https://www.expedia.com/Windsor-Hotels-Hotels-With-Kitchens.0-0-d9542-tHotelswithKitchens.Travel-Guide-Filter-Hotels) - [Hotels with Free Breakfast in Windsor ](https://www.expedia.com/Windsor-Hotels-Hotels-With-Complimentary-Breakfast.0-0-d9542-tHotelswithComplimentaryBreakfast.Travel-Guide-Filter-Hotels) - [Extended Stay Hotels in Windsor ](https://www.expedia.com/Windsor-Hotels-Extended-Stay-Hotels.0-0-d9542-tExtendedStayHotels.Travel-Guide-Filter-Hotels) - [5 Star Hotels in Windsor ](https://www.expedia.com/5Star-Windsor-Hotels.s50-0-d9542.Travel-Guide-Filter-Hotels) - [Hotel Wedding Venues Hotels in Windsor ](https://www.expedia.com/Windsor-Hotels-Wedding-Hotels.0-0-d9542-tWeddingHotels.Travel-Guide-Filter-Hotels) - [Luxury Hotels in Windsor ](https://www.expedia.com/Windsor-Hotels-Luxury-Hotel.0-0-d9542-tLuxuryHotel.Travel-Guide-Filter-Hotels) - [Gay friendly Hotels in Windsor ](https://www.expedia.com/Windsor-Hotels-LGBT-Welcoming-Hotel.0-0-d9542-tLGBTWelcomingHotel.Travel-Guide-Filter-Hotels) - [All-Inclusive Resorts in Windsor ](https://www.expedia.com/Windsor-Hotels-All-Inclusive-Hotel.0-0-d9542-tAllinclusiveHotel.Travel-Guide-Filter-Hotels) - [Hotels with an Outdoor Pool in Windsor ](https://www.expedia.com/Windsor-Hotels-Hotels-With-Outdoor-Pool.0-0-d9542-tHotelswithOutdoorPool.Travel-Guide-Filter-Hotels) - [Family Hotels in Windsor ](https://www.expedia.com/Windsor-Hotels-Family-Hotel.0-0-d9542-tFamilyHotel.Travel-Guide-Filter-Hotels) - [Hotels with Laundry Facilities in Windsor ](https://www.expedia.com/Windsor-Hotels-Hotels-With-Laundry-Facilities.0-0-d9542-tHotelswithLaundryFacilities.Travel-Guide-Filter-Hotels) - [Hotels with Fireplaces in Windsor ](https://www.expedia.com/Windsor-Hotels-Hotels-With-Fireplaces.0-0-d9542-tHotelswithFireplaces.Travel-Guide-Filter-Hotels) - [Hotels with Suites in Windsor ](https://www.expedia.com/Windsor-Hotels-Hotel-Suites.0-0-d9542-tHotelSuites.Travel-Guide-Filter-Hotels) - [B&B in Windsor ](https://www.expedia.com/Windsor-Bed-And-Breakfast.d9542-aaBedAndBreakfast.Travel-Guide-Accommodation) - [Golf Hotels in Windsor ](https://www.expedia.com/Windsor-Hotels-Golf-Hotel.0-0-d9542-tGolfHotel.Travel-Guide-Filter-Hotels) - [Hotels with Balconies in Windsor ](https://www.expedia.com/Windsor-Hotels-Hotels-With-Balconies.0-0-d9542-tHotelswithBalconies.Travel-Guide-Filter-Hotels) - [Extended Stay America Hotels in Windsor ](https://www.expedia.com/Windsor-Hotels-Extended-Stay-America.0-0-d9542--bExtendedStayAmerica.Travel-Guide-Filter-Hotels) - [Historic Hotels in Windsor ](https://www.expedia.com/Windsor-Hotels-Historic-Hotel.0-0-d9542-tHistoricHotel.Travel-Guide-Filter-Hotels) - [Hotels with Hot Tubs in Windsor ](https://www.expedia.com/Windsor-Hotels-Hotels-With-Hot-Tubs.0-0-d9542-tHotelsWithHotTubs.Travel-Guide-Filter-Hotels) - [Cabin Rentals in Windsor ](https://www.expedia.com/Windsor-Cabins.d9542-aaCabins.Travel-Guide-Accommodation) - [Flights to Fulton ](https://www.expedia.com/Cheap-Flights-To-Fulton.d6340361.Travel-Guide-Flights) - [Phoenix to Windsor ](https://www.expedia.com/lp/flights/178298/9542/phoenix-to-windsor) - [Flights from Larkfield-Wikiup ](https://www.expedia.com/lp/flights/553248635975865550/flights-from-larkfield-wikiup) - [Flights to Windsor ](https://www.expedia.com/Cheap-Flights-To-Windsor.d9542.Travel-Guide-Flights) - [Flights from Windsor ](https://www.expedia.com/lp/flights/9542/flights-from-windsor) - [Pacific Coast Air Museum ](https://www.expedia.com/Pacific-Coast-Air-Museum-Windsor.d6327400.Vacation-Attraction) - [Windsor Golf Club ](https://www.expedia.com/Windsor-Golf-Club-Windsor.d6327439.Vacation-Attraction) - [Sonoma-Cutrer Vineyards Cutrer Vineyard ](https://www.expedia.com/Sonoma-Cutrer-Vineyards-Cutrer-Vineyard-Windsor.d553248621532640647.Vacation-Attraction) - [Russian Hill Estate Vineyards ](https://www.expedia.com/Russian-Hill-Estate-Vineyards-Windsor.d553248621532640704.Vacation-Attraction) - [Kendall-Jackson Wine Estate and Gardens ](https://www.expedia.com/Kendall-Jackson-Wine-Estate-And-Gardens-Fulton.d6068461.Vacation-Attraction) - [Visit Fulton ](https://www.expedia.com/Fulton.dx6340361) - [Visit Windsor ](https://www.expedia.com/Windsor.dx9542) - [Windsor Vacations ](https://www.expedia.com/Windsor.d9542.Destination-Travel-Guides) - [Car rentals near Mark West ](https://www.expedia.com/Car-Rentals-In-Mark-West.d553248635975876288.Car-Rental-Guide) - [Car rentals near Fulton ](https://www.expedia.com/Car-Rentals-In-Fulton.d6340361.Car-Rental-Guide) - [Car rentals near Windsor ](https://www.expedia.com/Car-Rentals-In-Windsor.d9542.Car-Rental-Guide) - [Car rentals near Larkfield-Wikiup ](https://www.expedia.com/Car-Rentals-In-Larkfield-Wikiup.d553248635975865550.Car-Rental-Guide) - [Suv Car Rentals in Windsor ](https://www.expedia.com/SUV-Car-Rentals-In-Windsor.d9542-tSUV.Car-Rental-Guide-Class) - [Windsor Vacation Rentals ](https://www.expedia.com/Windsor-Vacation-Rentals.d9542.Travel-Guide-VacationRentals) - [Things to do in Fulton ](https://www.expedia.com/Things-To-Do-In-Fulton.d6340361.Travel-Guide-Activities) - [Things to do in Windsor ](https://www.expedia.com/Things-To-Do-In-Windsor.d9542.Travel-Guide-Activities) \*Available to One Key members.