Cheap flights from Denver to San Francisco from $155

If you aren’t able to travel during the month of September, then book flights to San Francisco from Denver during August instead. Flights to San Francisco in August, while not as cheap as those in September, still average around $327.

According to our data, the cheapest time of day to fly to San Francisco is in the morning. momondo users have found flights departing from Denver to San Francisco in the morning for as low as $451. 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 $1,990 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 $375 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 $300 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.

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 152 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.

Saturday 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 April 2026, there are 47 flights per day flying from Denver to San Francisco. The most common time of day flights depart is 11:00, with 38% of flights taking off at midday.

The number of flights available between Denver and San Francisco is 332 per week as of April 2026. The most frequent departure day is Wed, with 17% of weekly flights leaving on this day.