Title: Cheap Flights from Hermosillo (HMO) 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 Hermosillo (HMO) 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 Hermosillo, Sonora (HMO-General Ignacio Pesqueira Garcia Intl.) 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:hmo,to:sts,departure:17/10/2025TANYT&leg2=from:sts,to:hmo,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:hmo,to:sts,departure:17/10/2025TANYT&leg2=from:sts,to:hmo,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:hmo,to:sts,departure:17/10/2025TANYT&leg2=from:sts,to:hmo,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:hmo,to:sts,departure:17/10/2025TANYT&leg2=from:sts,to:hmo,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:hmo,to:sts,departure:17/10/2025TANYT&leg2=from:sts,to:hmo,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:hmo,to:sts,departure:17/10/2025TANYT&leg2=from:sts,to:hmo,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:hmo,to:sts,departure:17/10/2025TANYT&leg2=from:sts,to:hmo,departure:24/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"PD"}}]) ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### 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 HMO to Sonoma County Airport? > Round-trip tickets from Hermosillo Intl. Airport to Sonoma County Airport (STS) start from . This is based on fares listed within the last 7 days on Expedia for flights departing within the next year — book ASAP to avoid missing out. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from HMO to Sonoma County Airport? > Every air carrier has its own terms and conditions. If you do decide to cancel, follow the easy instructions on our [Customer Service Portal](https://www.expedia.ca/helpcenter). ### How do I find cheap flights from HMO to Sonoma County Airport (STS) that have flexible change policies? > Use our "No change fees" filter to find flexible travel options for your flight from General Ignacio Pesqueira Garcia Intl. Airport (HMO) to STS. This allows you to secure a great price ahead of time and still have the freedom to reschedule without any additional fees. Keep in mind that you'll need to cover the fare difference. ### How many hours is the flight from General Ignacio Pesqueira Garcia Intl. Airport (HMO) to STS? > There are plenty of ways to make the 3 hours and 44 minutes between Hermosillo Intl. Airport and Sonoma County Airport go by quicker. Be productive and sort through your photos or clear out all those backed-up emails. A nice snooze also helps pass the time! ### How far is the flight from Hermosillo Intl. Airport to Sonoma County Airport? > Expect to be in the air for a while, as the flight distance from Hermosillo Intl. Airport to STS is 1,500 kilometres. Set up a playlist of your favourite podcasts before you leave home to keep yourself entertained during your journey. ### Which airlines fly direct from HMO to STS? > Unfortunately, there aren't any airlines that fly directly between HMO and Sonoma County Airport (STS). You'll need to book a flight with at least one stop. ### Are General Ignacio Pesqueira Garcia Intl. Airport (HMO) to Sonoma County Airport (STS) flight tickets cheaper when they're purchased at the last minute? > Late planners can occasionally score a bargain, with some of the cheapest fares from HMO to Sonoma County Airport (STS) surfacing a few weeks prior to the departure date. If you'd rather book ahead of time, Expedia compares and updates 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 publish prices so far in advance. ## Travel information | Origin airport | General Ignacio Pesqueira Garcia Intl. | | --- | --- | | Destination airport | Sonoma County | | Distance | 1497 km | ## Book with confidence ### Hermosillo to Windsor Flights **The easy way to book your flights from Hermosillo to Santa Rosa**  With Expedia, it’s simple to find and book flights to Santa Rosa from Hermosillo 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 Hermosillo to Santa Rosa today, tomorrow, or this week.   **Save dollars with cheap flights from General Ignacio Pesqueira Garcia Intl., HMO to Sonoma County, STS**  Sort your search results by price to find great deals on your flight from Hermosillo to Santa Rosa—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Santa Rosa from Hermosillo 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 Hermosillo**  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. 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