Cheap flights from Denver from $58

Our data suggests that currently, the cheapest flights from Denver are being offered by Frontier, Alaska Airlines, and American Airlines. For example, Frontier flights from Denver to Tulsa, start at $30, Alaska Airlines flights from Denver to San Diego cost around $48, and American Airlines flights from Denver to Little Rock are around $48.

Currently, the cheapest flight from Denver found by our users is for $28 to Ontario. Prices will vary according to several factors such as the departure date and time, but on average you can expect to pay around $237 to travel from Denver to Ontario.

Los Angeles, Chicago and San Francisco are currently the destinations served most frequently from Denver, with 77, 50 and 48 flights per day on average, respectively.

Airlines including American Airlines, United Airlines and Air Canada frequently fly from Denver. You can view other airlines by performing a quick search in the form above.

If you are looking for a cheap first class flight, consider flights to San Diego, for which the starting price of a first class seat can be as low as $428.

Prices for flights from Denver Intl Airport are updated daily.

There are 66 operators available for flights from Denver Intl Airport as of July 2026.

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Denver Intl Airport.

The required travel and health documents for your Denver Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Denver Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.