Cheap flights from Denver to San José from $161

In general, September is the cheapest month to fly from Denver to San José. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $397. If you don’t want to visit San José in September, then you should wait until February to fly from Denver, when ticket prices are also cheap, with an average price of $417.

On average, the least expensive day to fly to San José from Denver is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $434. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Denver to San José on a Thursday will generally be more expensive and average around $864. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our data shows that the cheapest Denver to San José flights are usually those with departure times at noon. Our users have found flights to San José at noon for as low as $570. Flights in the morning are often more expensive with an average ticket price of $710.

Fly from Denver Intl to San José Juan Santamaria Intl for the best Denver Intl - San José Juan Santamaria Intl flight prices

You are more likely to see cheaper flights to San José from Denver when booking week ahead of your departure date. In general, you can expect to find flights to San José for around $490 when searching week out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San José from Denver for as low as $433 on momondo.

There are 3 cabin classes available to choose from on Denver to San José flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between Denver to San José.

As of August 2026, prices for Denver to San José flights are approximately 7% cheaper when compared to flights at the same time last year.

Delta, Southwest, and United Airlines are the most popular carriers operating from Denver Intl to San José Juan Santamaria Intl

United Airlines, Copa Airlines and American Airlines are the top three most popular airlines that fly to San José from Denver according to our data. United Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to San José. Keep in mind that there are 9 different airlines that fly to San José on a routine basis, so you have a few additional options to choose from.