Cheap Flights from Denver International to Dublin

Compare Denver International to Dublin flight deals

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Flight deals from Denver International to Dublin

Looking for a cheap last-minute deal or the best return flight from Denver International Airport to Dublin Airport? If you want to travel next month, return fares start from R 10,122. Find the lowest prices on one-way and return tickets right here.

Dublin.R 3,088 per passenger.Departing Sat, 25 Jul.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Denver International on Sat, 25 Jul, arriving in Dublin.Price includes taxes and charges.From R 3,088, select.

Dublin.R 3,105 per passenger.Departing Tue, 1 Sep.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Denver International on Tue, 1 Sep, arriving in Dublin.Price includes taxes and charges.From R 3,105, select.

Dublin.R 3,106 per passenger.Departing Mon, 31 Aug.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Denver International on Mon, 31 Aug, arriving in Dublin.Price includes taxes and charges.From R 3,106, select.

Dublin.R 4,897 per passenger.Departing Mon, 5 Oct.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Denver International on Mon, 5 Oct, arriving in Dublin.Price includes taxes and charges.From R 4,897, select.

Dublin.R 5,300 per passenger.Departing Wed, 4 Nov.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Denver International on Wed, 4 Nov, arriving in Dublin.Price includes taxes and charges.From R 5,300, select.

Dublin.R 5,322 per passenger.Departing Thu, 10 Dec.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Denver International on Thu, 10 Dec, arriving in Dublin.Price includes taxes and charges.From R 5,322, select.

Dublin.R 5,339 per passenger.Departing Mon, 19 Apr.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Denver International on Mon, 19 Apr, arriving in Dublin.Price includes taxes and charges.From R 5,339, select.

Dublin.R 5,377 per passenger.Departing Mon, 3 May.One-way flight with Air France.Outbound indirect flight with Air France, departs from Denver International on Mon, 3 May, arriving in Dublin.Price includes taxes and charges.From R 5,377, select.

Dublin.R 6,916 per passenger.Departing Mon, 8 Mar.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Denver International on Mon, 8 Mar, arriving in Dublin.Price includes taxes and charges.From R 6,916, select.

Dublin.R 7,537 per passenger.Departing Sun, 23 Aug.One-way flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Denver International on Sun, 23 Aug, arriving in Dublin.Price includes taxes and charges.From R 7,537, select.

Dublin.R 7,584 per passenger.Departing Mon, 27 Jul.One-way flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Denver International on Mon, 27 Jul, arriving in Dublin.Price includes taxes and charges.From R 7,584, select.

Dublin.R 8,623 per passenger.Departing Sun, 17 Jan.One-way flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departs from Denver International on Sun, 17 Jan, arriving in Dublin.Price includes taxes and charges.From R 8,623, select.

Dublin.R 9,580 per passenger.Departing Tue, 30 Jun.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Denver International on Tue, 30 Jun, arriving in Dublin.Price includes taxes and charges.From R 9,580, select.

Dublin.R 9,761 per passenger.Departing Sun, 20 Sep.One-way flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Denver International on Sun, 20 Sep, arriving in Dublin.Price includes taxes and charges.From R 9,761, select.

Dublin.R 14,913 per passenger.Departing Tue, 8 Jun.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from Denver International on Tue, 8 Jun, arriving in Dublin.Price includes taxes and charges.From R 14,913, select.

Dublin.R 21,205 per passenger.Departing Sun, 28 Jun.One-way flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Denver International on Sun, 28 Jun, arriving in Dublin.Price includes taxes and charges.From R 21,205, select.

Find the cheapest month to fly from Denver International to Dublin

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Denver International to Dublin flights are currently cheapest in July.

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Direct flights from Denver International to Dublin

Denver International to Dublin: Alternative routes

Compare routes from Denver International to Dublin below. You may find an airport to fly into that's cheaper, faster, or easier than Dublin.

Dublin

10km from central Dublin

ClosestCheapest

from R 3,088

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Denver to Dublin: Flight information

The things to know before you go.

Cheapest flight found	R 3,088
Cheapest month to fly	July
Average flight time	8 hrs, 25 mins
Most popular airline	Aer Lingus
Average flights per week	21

Finding cheap flights from Denver International to Dublin: Frequently asked questions

How much are return flights from Denver International to Dublin?

The best price we found for a return flight from Denver International to Dublin is R 9,773. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Denver International to Dublin?

8 hours and 25 minutes is the average flight time from Denver International to Dublin.

Which airlines fly direct from Denver International to Dublin?

Aer Lingus, British Airways and American Airlines fly direct from Denver International to Dublin.

How many flights are there a week from Denver International to Dublin?

As of June 2026, there are 21 flights per week flying from Denver International to Dublin.

When is the cheapest time to fly from Denver International to Dublin?

The cheapest month to fly from Denver International to Dublin is usually July.

Which upcoming date is cheapest to fly from Denver International Airport to Dublin Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Denver International Airport to Dublin Airport on Thursday, 23 July 2026.

Can I get a direct flight from Denver International Airport to Dublin Airport?

Yes – the average flight time is 8 hours and 25 minutes.

How can I find the best flight deal to Dublin?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Dublin but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Dublin?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Dublin is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Denver International Airport to Dublin with?

Currently, Icelandair and Aer Lingus offer the cheapest flight tickets to Dublin.

Flying from Denver International Airport (DEN) to Dublin Airport (DUB): what you need to know

Around 8 hours 45 minutes is how long you can expect to be in the air on a direct flight from Denver International Airport to Dublin Airport.
Dublin is seven hours ahead of Denver and follows the UTC+0 timezone.
Leave plenty of time to catch your DEN to DUB flight. As a rule of thumb, arrive at least two hours before international departures and an hour ahead for domestic flights.
You'll likely experience longer queues in popular months such as July. Arriving up to four hours ahead of an international flight and two hours for a domestic departure will give you ample time for security and boarding.
Aer Lingus is your gateway to discovering Dublin (and perhaps some other exciting parts of Ireland!). Browse the direct flights from Denver International Airport to Dublin Airport offered by this popular airline.
Most passengers choose to travel with Aer Lingus on this route.
Aer Lingus is the most punctual carrier that operates DEN to DUB flights.
We make it a cinch to book a flight with a stopover. To see your options for tickets from Denver International Airport to Dublin Airport, deselect 'Direct flights only.' Then, choose a flight that has a stop long enough to visit the city of your choice. Stopovers between DEN and DUB include:
- Chicago O'Hare International Airport
- Toronto Pearson International Airport
- Minneapolis St Paul Airport

How to find the cheapest flights from Denver International Airport (DEN) to Dublin Airport (DUB)

R 3,088 is currently the best price for a one-way Denver International Airport to Dublin Airport flight. Return flights start from R 9,773. These fares may change depending on demand and availability.
Book two months before travelling. After looking at the numbers on our calendar, this is how far you'll want to book ahead to secure cheap tickets from DEN to DUB.
Plan your trip for July. That's the cheapest month for flights from Denver International Airport to Dublin Airport. If you're flexible on when you fly, use the 'Whole month' tool to see the lowest price across each month.
There's no need to check back in every day to see if fares have gone down when you set up a Price Alert. We'll let you know as soon as the price changes on cheap flights from DEN to DUB.
Find the right flight for you with the help of the filters. To see the 'Cheapest,' 'Fastest' or 'Best' flights from Denver International Airport to Dublin Airport, use the 'Sort by' tool. You can also filter results by departure and arrival times, airline, and journey duration.

Handy information about Denver International Airport (DEN)

DEN's address is 8500 Pena Boulevard.
80% of flights leaving Denver International Airport touch down at their destination as planned. Given its reliable on-time performance, you're unlikely to experience delays when jetting out of DEN.
Denver International Airport is around 40 kilometres from central Denver. If you're ride-sharing, catching a taxi or driving from the centre, it'll take you 35 minutes or so to get there, depending on the traffic.
The trip when using public transport usually takes 35 minutes.
Booking a night at a hotel can take the stress out of reaching the airport on time. If you're looking for a place to stay before your flight from Denver International Airport to Dublin Airport, have a look at Baymont by Wyndham Denver International Airport. It's a short drive from DEN.

Arriving at Dublin Airport (DUB)

Consider staying in a hotel near DUB if you're on a late Denver International Airport to Dublin Airport flight. Check in to one of these accommodation options and avoid the hassle of a long transfer:
Follow your own route with a Dublin Airport rental car. Pick up a set of wheels from Easirent, Budget or Carhire and venture far and wide through Dublin and beyond.
To get the lowest price, book your ride from Dublin Airport about two weeks in advance.

Getting from Dublin Airport (DUB) to central Dublin

Dublin Airport to central Dublin has a drive time of around 25 minutes. It's approximately 11 kilometres away.
It takes around 30 minutes if you're travelling by public transport.

When to fly to Dublin Airport (DUB)

It's time to work out your trip dates for your flight from Denver International Airport to Dublin Airport. July is the most popular month to visit Dublin. If you want a more laid-back vibe, go in March.
When booking your flight from Denver International Airport to Dublin Airport, think about the type of weather you enjoy. July is the warmest month in Dublin, with temperatures ranging from 10ºC (50ºF) to 19ºC (66ºF).
Look for cheap tickets from DEN to DUB in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 2ºC (36ºF) and 9ºC (48ºF) on average.

Explore more of Ireland

Dublin has plenty to offer, but there are so many other parts of Ireland just waiting to be explored. About 225 kilometres south-west of Dublin, a trip to Cork will keep you on the move. Start with leading attractions like Blarney Castle & Gardens, Blarney Castle House(Teach Caisleán na Blarnan) and Blarney Stone.