Cheap flights from Santa Rosa to Denver from $134

The cheapest month to fly to Denver from Santa Rosa is in March. Flight prices, which tend to average around $249, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in March, then you should wait until February to fly from Santa Rosa, when ticket prices are also cheap, with an average price of $345.

The cheapest day to depart on your flight to Denver is on a Wednesday when prices can be found for as low as $348. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $464.

The cheapest time of day to fly to Denver is in the evening when flights can be purchased for as low as $338. Flights at noon are often more expensive with an average ticket price of $471.

Fly from Santa Rosa Sonoma County to Denver Intl for the best Santa Rosa Sonoma County - Denver Intl flight prices

You are more likely to see cheaper flights to Denver from Santa Rosa when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $406 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Santa Rosa for as low as $354 on momondo.

There is only 1 cabin class available to choose from on Santa Rosa to Denver flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 13% on your flight if you consider stops on a Santa Rosa to Denver flight.

As of November 2026, prices for Santa Rosa to Denver flights are approximately 74% cheaper when compared to flights at the same time last year.

Alaska Airlines, Southwest, and Delta are the most popular carriers operating from Santa Rosa Sonoma County to Denver Intl

Frontier, United Airlines and Southwest are the top three most popular airlines that fly to Denver from Santa Rosa according to our data. Frontier is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Denver. Keep in mind that there are 7 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.