Cheap flights from San Luis Obispo to Denver from $119

The cheapest month to fly to Denver from San Luis Obispo is in January. Flight prices, which tend to average around $274, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in January, then you should wait until February to fly from San Luis Obispo, when ticket prices are also cheap, with an average price of $299.

The cheapest day to depart on your flight to Denver is on a Saturday when prices can be found for as low as $456. 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 Monday, with ticket prices averaging around $649.

The cheapest time of day to fly to Denver is at noon when flights can be purchased for as low as $459. Flights in the morning are often more expensive with an average ticket price of $513.

Fly from San Luis Obispo County to Denver Intl for the best San Luis Obispo County - Denver Intl flight prices

You are more likely to see cheaper flights to Denver from San Luis Obispo when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $337 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from San Luis Obispo for as low as $267 on momondo.

There are 4 cabin classes available to choose from on San Luis Obispo County to Denver Intl 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 7% on your flight if you consider stops on a San Luis Obispo to Denver flight.

As of March 2026, prices for San Luis Obispo to Denver flights are approximately 63% more expensive when compared to flights at the same time last year.

Alaska Airlines and United Airlines are the most popular carriers operating from San Luis Obispo County to Denver Intl

United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to Denver from San Luis Obispo according to our data. United Airlines is the first choice among our users, with 89% of people opting to fly with this airline when traveling to Denver. Keep in mind that there are 5 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.

1 flights are operational daily from San Luis Obispo to Denver as of March 2026. The most popular departure time for this route is 5:00AM, with 50% of flights per day taking off in the morning.

12 flights are operational weekly from San Luis Obispo to Denver as of March 2026. The most popular departure day for this route is Tue, with 17% of flights per week taking off on this day.