Cheap flights from Denver to San Francisco from $115

If you aren’t able to travel to San Francisco during the month of September, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $236.

The cheapest day to depart from Denver to San Francisco is on a Friday when prices can be found for as low as $340. The most expensive day to fly to San Francisco is Monday, with ticket prices averaging around $580.

Our data shows that the cheapest Denver to San Francisco flights are usually those with departure times in the evening. Our users have found flights to San Francisco in the evening for as low as $381. Flights in the afternoon are often more expensive with an average ticket price of $424.

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 $290 when searching weeks out. 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 $215 on momondo.

There are 4 cabin classes available to choose from on Denver 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 2% on your flight if you consider stops on a Denver to San Francisco flight.

As of July 2026, prices for Denver to San Francisco flights are approximately 13% more expensive when compared to flights at the same time last year.

Southwest and Alaska Airlines are the most popular carriers operating from Denver Intl to San Francisco

United Airlines, Frontier and Southwest are the top three most popular airlines that fly to San Francisco from Denver according to our data. United Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 6 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.

Historically, on average around 25% 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 147 minutes.

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

Saturday is statistically the day of the week which experiences the fewest number of 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 least number of delays on this route over the last 12 months; with about 20% of their flights experiencing any sort of delay.

Phoenix (PHX) was the most common stop: 71% of momondo users choosing 1-stop flights on this route connected there.

Flights via San Diego (SAN) offer the lowest average round-trip price of $244.

Flights connecting via Salt Lake City (SLC) have the shortest average one-way travel time: 4h 38m.

Salt Lake City (SLC) has the shortest average layover time for this route: 1h 11m.

48 flights are operational daily from Denver to San Francisco as of July 2026. The most popular departure time for this route is 7:00AM, with 36% of flights per day taking off at noon.

342 flights are operational weekly from Denver to San Francisco as of July 2026. The most popular departure day for this route is Sat, with 18% of flights per week taking off on this day.