Cheap flights from Ireland to Colorado from £408

The month of May is, on average, the cheapest month to fly to Colorado from Ireland, with most prices found around £292. If you don’t want to visit Colorado in May, then you should wait until June to fly from Ireland, when ticket prices are also cheap, with an average price of £300.

Our data shows that Monday is the least expensive day to fly to Colorado. Tickets to fly out on this day can be as low as £518. Flights from Ireland to Colorado on a Sunday will generally be more expensive and average around £906. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Fly from Dublin to Denver Intl for the best Ireland - Colorado flight prices

You are more likely to see cheaper flights to Colorado from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Colorado for around £552 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado from Ireland for as low as £449 on momondo.

There is only 1 cabin class available to choose from on Ireland to Colorado flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 44% on your flight if you consider stops on a Ireland to Colorado flight.

Aer Lingus and JetBlue are the most popular carriers operating from Ireland to Colorado

Aer Lingus, British Airways and Icelandair are the top three most popular airlines that fly to Colorado from Ireland according to our data. Aer Lingus is the first choice among our users, with 51% of people opting to fly with this airline when travelling to Colorado. Keep in mind that there are 5 different airlines that fly to Colorado on a routine basis, so you have a few additional options to choose from.

The number of flights available between Ireland and Colorado is 2 per day as of June 2026. The most frequent departure time is 15:00, with 100% of daily flights leaving in the afternoon.

The number of flights available between Ireland and Colorado is 20 per week as of June 2026. The most frequent departure day is Mon, with 20% of weekly flights leaving on this day.