Cheap flights from Denver to San Francisco from $91

If you aren’t able to travel during the month of April, then book flights to San Francisco from Denver during May instead. Flights to San Francisco in May, while not as cheap as those in April, still average around $291.

According to our data, Thursday is the cheapest day to fly to San Francisco from Denver. The lowest ticket price found for a Thursday departure recently was $1,581. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Denver to San Francisco for around $2,043.

According to our data, the cheapest time of day to fly to San Francisco is in the afternoon. momondo users have found flights departing from Denver to San Francisco in the afternoon for as low as $2,264. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $2,442 on average. Flights to San Francisco from Denver in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

Fly from Denver Intl to San Francisco for the best Denver Intl - San Francisco flight prices

You are more likely to see cheaper flights to San Francisco from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $340 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Denver for as low as $254 on momondo.

There is only 1 cabin class available to choose from on Denver Intl to San Francisco 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 28% on your flight if you consider stops on a Denver to San Francisco flight.

As of February 2026, prices for Denver to San Francisco flights are approximately 16% cheaper when compared to flights at the same time last year.

Historically, on average around 22% of flights between Denver and San Francisco have experienced a delay on any given week. The average delay length over the past 12 months has been 151 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, United Airlines have had the fewest delays on this route over the last 12 months, with about 18% of their flights experiencing any sort of delay.

As of February 2026, there are 39 flights per day flying from Denver to San Francisco. The most common time of day flights depart is 19:00, with 37% of flights taking off at midday.

The number of flights available between Denver and San Francisco is 279 per week as of February 2026. The most frequent departure day is Thu, with 19% of weekly flights leaving on this day.