Cheap flights from San Diego to Denver from R1 501

The cheapest month to fly to Denver from San Diego is in February. Flight prices, which tend to average around R2 043, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in February, then you should wait until January to fly from San Diego, when ticket prices are also cheap, with an average price of R2 235.

You are more likely to see cheaper flights to Denver from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around R3 081 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from San Diego for as low as R2 331 on momondo.

Historically, on average around 15% of flights between San Diego and Denver have experienced a delay on any given week. The average delay length over the past 12 months has been 140 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon 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. Friday 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 9% of their flights experiencing any sort of delay.

As of September 2026, 20 flights take off from San Diego and land in Denver each day. The most common flight departure time for this route is 11:00, with 56% of daily flights taking off at midday.

The number of flights available between San Diego and Denver is 145 per week as of September 2026. The most frequent departure day is Thu, with 23% of weekly flights leaving on this day.