$91 Cheap flights to Colorado

90% of momondo users visit Denver more often than any other city in Colorado. When traveling to Denver, typically the most convenient airport to fly into is Denver Airport.

The closest airport to Colorado Convention Center is Denver Airport, and would make for the quickest drive. For those interested in a secondary airport to fly into, consider looking at flights heading to Colorado Springs Airport.

When visiting Colorado, the majority of people tend to find Colorado Convention Center, Red Rocks Amphitheater and Coors Field to be the most notable landmarks in the area.

Colorado typically has a temperature range from 30.2 °F(January) to 73.4 °F(July). Those looking to avoid rain and/or snow while visiting Colorado should plan their trip in January, January, or December, as these months are relatively less likely to have precipitation.

There are 12 airlines that fly to Colorado on a routine basis, but Frontier, United Airlines and Southwest happen to be the most popular among our users. In the past year, 37% of those who searched for flights to Colorado looked to travel with Frontier, making this airline the top choice among momondo travelers.

Flights to Colorado have been found on momondo for as low as $46 per ticket recently. However, the average price tends to be $659 and anything for $517 or less is a good deal. $8,929 is the most expensive flight we’ve seen in the past week, though you may be able to avoid this price depending on what airport you fly from, what airline you choose, and how far in advance you book your flights.

If your travel plans are flexible and you’re looking to save money on flights to Colorado, then be sure to book your departure on a Saturday. Flying out on a Saturday, as well as a Tuesday, is your best option. Departing on a Sunday tends to be the most expensive day of the week to fly to Colorado.

If you're headed to Colorado, consider flying into Denver Intl airport in Denver for the best deals, with an average airfare of $46. Alternatively, Grand Junction Regnl airport in Grand Junction is a close second for cheapest flights to Colorado with an average airfare of $61.

Prices for flights to Colorado are updated daily.

As of August 2025, there are 46 operators available to choose from for flights to Colorado.

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel to Colorado.

The travel and health documents you'll need for your trip to Colorado may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Colorado. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.