£409 Cheap flights to Colorado

97% of momondo users visit Denver more often than any other city in Colorado. When travelling 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.

The temperatures in Colorado range from -1 °C to 23 °C depending on the time of year. The warmest month in Colorado is July, and the coldest month in Colorado is January. Those looking for a drier month during their visit should travel during the months of January, January, or December, when rain is least likely compared to the rest of the year.

There are a total of 15 airlines that operate flight routes to Colorado, with British Airways being the most popular option. An estimated 42% of those flying into Colorado choose to fly with British Airways. If you’re unable to find tickets with British Airways, then Lufthansa and Icelandair are also popular airlines to fly with.

Flights to Colorado have been found on momondo for as low as £588 per ticket recently. However, the average price tends to be £1,867 and anything for £1,506 or less is a good deal. £9,825 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.

Flying to Colorado on a Thursday or Wednesday is your best option since this is when flight prices tend to be at their lowest for the week. The most expensive day of the week to fly to Colorado is on a Sunday.

Prices for flights to Colorado are updated daily.

As of June 2026, there are 18 operators available to choose from for flights to Colorado.

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 to Colorado.

The required travel and health documents for your Colorado 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 Colorado. We recommend that you seek guidance from your airline or a reliable third party such as IATA.