Cheap flights from San Jose, California to Denver from $85

The cheapest month to fly to Denver from San Jose, California is in September. Flight prices, which tend to average around $257, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in September, then you should wait until August to fly from San Jose, California, when ticket prices are also cheap, with an average price of $300.

The cheapest day to depart on your flight to Denver is on a Thursday when prices can be found for as low as $421. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $581.

The cheapest time of day to fly to Denver is in the afternoon when flights can be purchased for as low as $447. Flights at noon are often more expensive with an average ticket price of $468.

Fly from San Jose to Denver Intl for the best San Jose - Denver Intl flight prices

You are more likely to see cheaper flights to Denver from San Jose, California when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $393 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from San Jose, California for as low as $339 on momondo.

There are 4 cabin classes available to choose from on San Jose, California to Denver flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Frontier is the most popular carrier operating from San Jose to Denver Intl

Frontier, United Airlines and Southwest are the top three most popular airlines that fly to Denver from San Jose, California according to our data. Frontier is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Denver. Keep in mind that there are 7 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.

As of August 2026, 5 flights take off from San Jose, California and land in Denver each day. The most common flight departure time for this route is 8:00AM, with 47% of daily flights taking off at noon.

As of August 2026, there are 41 flights per week flying from San Jose, California to Denver. The most common day of the week flights depart is Wed, with 27% of flights taking off on this day.