Cheap flights from Colorado to Dublin from $276

In general, January is the cheapest month to fly from Colorado to Dublin. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $451. If you’re not able to fly to Dublin in January, then February is your next best option. Flight prices from Colorado to Dublin during February average around $472.

The cheapest day to depart from Colorado to Dublin is on a Thursday. Travelers who choose to depart for Dublin on a Thursday will often find tickets for as low as $676. Flights from Colorado to Dublin on a Tuesday will generally be more expensive and average around $954. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

In the afternoon is the cheapest time of day to fly from Colorado to Dublin when you can find flight prices for as low as $775. Flying to Dublin in the afternoon is an ideal time because this is during off-peak travel hours. Flights in the evening are often more expensive with an average ticket price of $884.

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

You are more likely to see cheaper flights to Dublin from Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around $677 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from Colorado for as low as $631 on momondo.

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

Delta and United Airlines are the most popular carriers operating from Colorado to Dublin

Aer Lingus, United Airlines and Icelandair are the top three most popular airlines that fly to Dublin from Colorado according to our data. Aer Lingus is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Dublin. Keep in mind that there are 12 different airlines that fly to Dublin on a routine basis, so you have a few additional options to choose from.

As of August 2026, 2 flights take off from Colorado and land in Dublin each day. The most common flight departure time for this route is 8:00PM, with 100% of daily flights taking off in the evening.

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