The cheapest times to fly from SAN to DEN are
- January 1st to March 4th (except the week of February 12th)
- August 6th to December 16th (except the weeks of November 19th and November 26th)
based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SAN to DEN is early September. Prices can be as high as $662 for Sunday flights during mid March, or as low as $134 for Tuesday flights around early September.
When to Fly to Denver
Flying from San Diego, CA (SAN) to Denver, CO (DEN) will usually cost between $158 to $418 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early September with an average ticket price of $164. Due to high demand the most expensive time to fly is mid March, with an average price of $368. Planning your trip to low-cost times can easily save you $204 on economy flights and even more on first-class flights. Generally, any price below $247 can be considered a good price for a round-trip SAN to DEN flight.
See below for a graph of average weekly prices for the SAN to DEN route. All prices are for round-trip tickets in USD.
Compared to other flights, the SAN to DEN flight is much cheaper than the average and costs much less than the average flight leaving from San Diego. The average price per mile (for a direct flight) is $0.18, which is below average.
Flight Prices by Day of the Week
Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $110 (35%) on this flight.
Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $208. Return trip prices are from the DEN to SAN flight, and often highlight the quality of our data in showing the same trend.
Departing Prices by Day
Return Trip Prices by Day
Nonstop Flights and Layovers
Travelers looking to fly from SAN to DEN can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 2 hour 31 minutes may be realistic.
Flight Questions Answered
Still have questions about flying from SAN to DEN? We’ve got answers.
Which airlines fly this route?
You can find 10 major airlines flying this route most often: Alaska, American, China Eastern, Delta, Emirates, Frontier, Singapore Airlines, Southwest, Spirit, United, and potentially more during busy seasons.
How far away is it from Denver International Airport to San Diego International Airport?
The distance between the two airports is roughly 852 miles or 1371 kilometers.
How long does it take to fly from SAN to DEN?
The real-world flight time for a nonstop SAN to DEN flight is about 2 hour 31 minutes.
How many flights go between San Diego, CA and Denver, CO?
It depends on the day of the week and the date, but a typical day might have around 79 available flights from SAN to DEN.
Airport Location Info
|Origination airport name||San Diego International Airport|
|City||San Diego, CA|
|Country||the United States|
|Destination airport name||Denver International Airport|
|Country||the United States|
Late and Early Flight Data
Flights from SAN to DEN tend to depart as late as the average flight. According to our recently updated data, 29% of flights departed 5 or more minutes late, and 29% of flights left 5 or more minutes early. On average you can expect to leave DEN heading for SAN about 9 minutes late. This does significantly impact arrival time, as the average landing time in Denver, CO is about 8 minutes late. The numbers below show a recent average of take-off times versus the scheduled departure flight:
- Southwest: 12 minutes late
- United: 7 minutes late
- Frontier: 3 minutes late
- Some airlines not reporting
Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.