$42+ Cheap flights from San Diego to Denver (SAN - DEN)

You will need to book a flight from San Diego to Denver Intl if you want to fly from San Diego to Denver. At least 5 different airlines have flights from San Diego (SAN) to Denver Intl (DEN) on a regular basis. There are 30 flights to Denver from the San Diego airport per day. If you manage to book one that is nonstop, then you can expect the flight time from SAN to DEN to be around 2h 13m.

This flight path from San Diego to Denver Intl was viewed by 208 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

Alaska Airlines and Southwest can get you from San Diego to Denver in just under 2h 25m. Your travel time will be generally consistent. There are 852 mi between San Diego and Denver. Most flights are nonstop.

Frontier, at $66, was found to be the cheapest airline from San Diego to Denver.Alternate airlines to your destination round-trip include Hawaiian Airlines and Alaska Airlines. Frontier is priced at 65% lower than the current average price of a flight leaving 3 months from now.

One-way options have recently been found by users for as low as $58 on Frontier. Other airlines that offer cheap prices include Southwest from $59 and Alaska Airlines from $59 one-way.

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from San Diego to Denver on time: SWISS (100%), SkyWest Airlines (92%), Lufthansa (89%).

While on average a flight from San Diego to Denver is generally $765, our data shows the cheapest flight currently is $48. When looking at the most popular route, (San Diego - Denver Intl), you can expect to pay $58 for that flight.

Yes. In addition to deals on San Diego to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Denver.

Yes. Cheapflights offers flight deals from San Diego to Denver by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Currently, January is the cheapest month in which you can book a flight from San Diego to Denver (average of $24). Flying from San Diego to Denver in October is currently the most expensive (average of $67). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.