291 € Denver International (DEN) to Dublin (DUB) Cheap Flights

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Flight deals from Denver International Airport to Dublin Airport

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 320 €. Find the lowest prices on one-way and return tickets right here.

Dublin.291 € per passenger.Departing Thu, 13 Nov, returning Thu, 26 Mar.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Denver International on Thu, 13 Nov, arriving in Dublin.Inbound indirect flight with Icelandair, departs from Dublin on Thu, 26 Mar, arriving in Denver International.Price includes taxes and charges.From 291 €, select.

Dublin.298 € per passenger.Departing Thu, 13 Nov, returning Thu, 20 Nov.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Denver International on Thu, 13 Nov, arriving in Dublin.Inbound indirect flight with Icelandair, departs from Dublin on Thu, 20 Nov, arriving in Denver International.Price includes taxes and charges.From 298 €, select.

Dublin.320 € per passenger.Departing Fri, 5 Dec, returning Wed, 10 Dec.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Denver International on Fri, 5 Dec, arriving in Dublin.Inbound indirect flight with Icelandair, departs from Dublin on Wed, 10 Dec, arriving in Denver International.Price includes taxes and charges.From 320 €, select.

Dublin.326 € per passenger.Departing Sun, 25 Jan, returning Sun, 1 Feb.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Denver International on Sun, 25 Jan, arriving in Dublin.Inbound indirect flight with Icelandair, departs from Dublin on Sun, 1 Feb, arriving in Denver International.Price includes taxes and charges.From 326 €, select.

Dublin.326 € per passenger.Departing Thu, 26 Feb, returning Thu, 5 Mar.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Denver International on Thu, 26 Feb, arriving in Dublin.Inbound indirect flight with Icelandair, departs from Dublin on Thu, 5 Mar, arriving in Denver International.Price includes taxes and charges.From 326 €, select.

Dublin.327 € per passenger.Departing Mon, 2 Mar, returning Mon, 9 Mar.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Denver International on Mon, 2 Mar, arriving in Dublin.Inbound indirect flight with Icelandair, departs from Dublin on Mon, 9 Mar, arriving in Denver International.Price includes taxes and charges.From 327 €, select.

Dublin.329 € per passenger.Departing Sun, 8 Feb, returning Sun, 15 Feb.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Denver International on Sun, 8 Feb, arriving in Dublin.Inbound indirect flight with Icelandair, departs from Dublin on Sun, 15 Feb, arriving in Denver International.Price includes taxes and charges.From 329 €, select.

Dublin.330 € per passenger.Departing Sun, 18 Jan, returning Sun, 25 Jan.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Denver International on Sun, 18 Jan, arriving in Dublin.Inbound indirect flight with Icelandair, departs from Dublin on Sun, 25 Jan, arriving in Denver International.Price includes taxes and charges.From 330 €, 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 November.

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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.

Denver to Dublin: Flight information

The things to know before you go.

Cheapest flight found	291 €
Cheapest month to fly	November
Average flight time	8 hrs, 11 mins
Most popular airline	British Airways
Average flights per week	22

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 291 €. 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 11 minutes is the average flight time from Denver International to Dublin.

Which airlines fly direct from Denver International to Dublin?

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

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

As of November 2025, there are 22 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 November.

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, 13 November 2025.

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

Yes – the average flight time is 8 hours and 11 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

Book a direct flight from Denver International Airport to Dublin Airport and you'll be in the air for an average of 8 hours 45 minutes.
Dublin's timezone is UTC+0, which makes Dublin six hours ahead of Denver.
Leave enough time to make your DEN to DUB flight. It's generally best to arrive at least two hours before international departures and an hour ahead for domestic flights.
During popular months such as July, you'll want to get to the airport even earlier. Arrive two hours before domestic departures and four hours ahead of an international flight when you travel during peak periods in general.
Aer Lingus has direct flights from Denver International Airport to Dublin Airport. Book with this popular carrier, then get ready to tick off the sights in Dublin — and maybe even more of Ireland if time allows.
Aer Lingus is the top choice for travellers on this route.
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 with a stop long enough to tour the city of your choice. Stopovers between DEN and DUB include:
- Pearson International Airport
- Minneapolis-St. Paul International Airport
- Philadelphia International Airport

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

Right now, 186 € is the cheapest price we've found for a one-way Denver International Airport to Dublin Airport flight. The best price for a return plane ticket is 291 €. Bear in mind that fares may change due to availability at the time of booking.
Score cheap tickets from DEN to DUB by booking eight months ahead. Based on our research, that's the sweet spot for finding a bargain.
July is the cheapest month for flights from Denver International Airport to Dublin Airport. If you'd like to travel at a different time of year, the 'Whole month' tool will give you the lowest airfares across every month.
There's no need to check back in every day to find out if fares have gone down when you create a Price Alert. We'll let you know the moment there's a change in price on cheap flights from DEN to DUB.
Secure the ideal flight for you by using the filters. To see the 'Cheapest,' 'Best' or 'Fastest' flights from Denver International Airport to Dublin Airport, use the 'Sort by' function. You can also filter results by arrival and departure times, airline, and journey duration.

Handy information about Denver International Airport (DEN)

DEN's address is 8500 Pena Boulevard.
Denver International Airport earns top marks for on-time performance. 80.23% of flights that take off from DEN arrive at their destination without delay.
To get to Denver International Airport from central Denver, it'll take around 35 minutes if you're travelling by car. Of course, this depends on traffic. It's approximately 40 kilometres from the airport to the city centre.
Expect a trip time of about 1 hour 30 minutes on public transport.
Need a place to stay before your flight from Denver International Airport to Dublin Airport? Check out Baymont by Wyndham Denver International Airport. Get a good night's sleep here before heading to DEN.

Arriving at Dublin Airport (DUB)

The last thing you need is a long journey to your hotel if you're landing late on a Denver International Airport to Dublin Airport flight. Check in to one of these accommodation options near DUB instead:
Go wherever you want, whenever you want with a Dublin Airport rental car. Book your wheels from Easirent, Budget or Carhire and discover more of Dublin and beyond.
For the lowest price, book your ride from Dublin Airport around two weeks before you set off.

Getting from Dublin Airport (DUB) to central Dublin

Dublin Airport to the centre of Dublin has a drive time of about 30 minutes. It's approximately 21 kilometres away.
Getting there on public transport will take you roughly 2 hours 10 minutes.

When to fly to Dublin Airport (DUB)

The quietest month for a flight from Denver International Airport to Dublin Airport is January, while August is the busiest. Pick the ideal time to go to Dublin based on whether you prefer a laid-back vibe or a more bustling atmosphere.
When booking your flight from Denver International Airport to Dublin Airport, think about the kind of weather you enjoy. July is the warmest month in Dublin, with the temperature ranging from 10ºC (50ºF) to 20ºC (68ºF).
January has average temperatures of between 1ºC (34ºF) and 9ºC (48ºF). Look for cheap tickets from DEN to DUB around that time if you'd rather travel in cooler conditions.

Explore more of Ireland

You've seen Dublin, now it's time to explore other parts of Ireland. Journey about 225 kilometres south-west to Cork to tick off its top attractions. From Blarney Castle to Fota Wildlife Park and Titanic Experience Cobh, your itinerary will be busy.
If you're ready to explore another well-known destination in Ireland, head for Tallaght, about 10 kilometres south-west of Dublin. Church of the Incarnation, Fettercairn, 3 stuffed bears and Johnson & Perrott Fleet are among the biggest draws.