Cheap flights from San Diego to Denver from R1 755

The cheapest month to fly to Denver from San Diego is in February. Flight prices, which tend to average around R2 067, 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 297.

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 302 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 477 on momondo.

Historically, on average around 16% 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 141 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 10% of their flights experiencing any sort of delay.

As of October 2026, 23 flights take off from San Diego and land in Denver each day. The most common flight departure time for this route is 16:00, with 45% of daily flights taking off in the afternoon.

The number of flights available between San Diego and Denver is 164 per week as of October 2026. The most frequent departure day is Mon, with 20% of weekly flights leaving on this day.