Cheap Flights from Denver to Dublin from $711

Q: How much are return flights from Denver to Dublin?

The best price we found for a return flight from Denver to Dublin is $711. 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.

Q: How long does it take to fly from Denver to Dublin?

8 hours and 44 minutes is the average flight time from Denver to Dublin.

Q: Which airlines fly direct from Denver to Dublin?

Aer Lingus and American Airlines fly direct from Denver to Dublin.

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

As of April 2025, there are 26 flights per week flying from Denver to Dublin.

Q: When is the cheapest time to fly from Denver to Dublin?

The cheapest month to fly from Denver to Dublin is usually April 2025.

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

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Denver to Dublin Airport on Tuesday, 18 November 2025 .

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

Yes – the average flight time is 8 hours and 44 minutes.

Q: 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.

Q: 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.

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Flight deals from Denver to Dublin

Looking for a cheap last-minute deal or the best return flight from Denver to Dublin? Find the lowest prices on one-way and return tickets right here.

Dublin.$711 per passenger.Departing Fri, 28 Nov, returning Fri, 5 Dec.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Denver International on Fri, 28 Nov, arriving in Dublin.Inbound indirect flight with Icelandair, departs from Dublin on Fri, 5 Dec, arriving in Denver International.Price includes taxes and charges.From $711, select.

Dublin.$711 per passenger.Departing Tue, 18 Nov, returning Tue, 25 Nov.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Denver International on Tue, 18 Nov, arriving in Dublin.Inbound indirect flight with Icelandair, departs from Dublin on Tue, 25 Nov, arriving in Denver International.Price includes taxes and charges.From $711, select.

Dublin.$817 per passenger.Departing Sun, 7 Dec, returning Sun, 14 Dec.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Denver International on Sun, 7 Dec, arriving in Dublin.Inbound indirect flight with Icelandair, departs from Dublin on Sun, 14 Dec, arriving in Denver International.Price includes taxes and charges.From $817, select.

Dublin.$817 per passenger.Departing Tue, 28 Oct, returning Tue, 4 Nov.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Denver International on Tue, 28 Oct, arriving in Dublin.Inbound indirect flight with Icelandair, departs from Dublin on Tue, 4 Nov, arriving in Denver International.Price includes taxes and charges.From $817, select.

Dublin.$843 per passenger.Departing Mon, 12 Jan, returning Mon, 19 Jan.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Denver International on Mon, 12 Jan, arriving in Dublin.Inbound indirect flight with British Airways, departs from Dublin on Mon, 19 Jan, arriving in Denver International.Price includes taxes and charges.From $843, select.

Dublin.$858 per passenger.Departing Mon, 11 Aug, returning Fri, 22 Aug.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Denver International on Mon, 11 Aug, arriving in Dublin.Inbound indirect flight with Air Canada, departs from Dublin on Fri, 22 Aug, arriving in Denver International.Price includes taxes and charges.From $858, select.

Dublin.$861 per passenger.Departing Thu, 16 Oct, returning Thu, 23 Oct.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Denver International on Thu, 16 Oct, arriving in Dublin.Inbound indirect flight with Icelandair, departs from Dublin on Thu, 23 Oct, arriving in Denver International.Price includes taxes and charges.From $861, select.

Dublin.$880 per passenger.Departing Wed, 10 Sep, returning Wed, 17 Sep.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Denver International on Wed, 10 Sep, arriving in Dublin.Inbound indirect flight with Air Canada, departs from Dublin on Wed, 17 Sep, arriving in Denver International.Price includes taxes and charges.From $880, select.

Find the cheapest month to fly from Denver to Dublin

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

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Direct flights from Denver to Dublin

Denver to Dublin: Alternative routes

Compare routes from Denver 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	$711
Cheapest month to fly	November
Average flight time	8 hrs, 44 mins
Most popular airline	Aer Lingus
Average flights per week	26

Finding cheap flights from Denver to Dublin: Frequently asked questions

How much are return flights from Denver to Dublin?

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

Which airlines fly direct from Denver to Dublin?

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

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

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

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

How can I find the best flight deal to Dublin?

When is the best time to book flights to Dublin?

Travelling from Denver to Dublin Airport (DUB): what you need to know

Denver's main base, Denver International Airport (DEN), is where countless awesome holidays begin. Explore the departure options from here when planning your flight from Denver to Dublin Airport (DUB).
Around 8 hours 45 minutes is how long you'll be travelling on a direct flight from Denver to Dublin Airport.
The timezone in Dublin is UTC+0, which is 6 hours ahead of Denver. Dublin Airport is located in Dublin.
Denver International Airport (DEN) to Dublin Airport (DUB) is the most popular route. There are 2 direct flights a week to choose from. If you have things to do before leaving, take the last flight with Aer Lingus at 21:00. Opt for the first DEN to DUB departure with Aer Lingus at 20:00 if you want to get going earlier.
Your flight from Denver to DUB won't wait if you're late, so don't forget to check in on time. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.
July is a peak travel month. If you're taking off then or around a major holiday like July Fourth, show up even earlier. Aim for at least two hours ahead for domestic flights and as much as four hours for international journeys.

Airports in Denver

Denver International Airport (DEN)

Take off and land with no stops from Denver International Airport (DEN). Nonstop flights from Denver to Dublin Airport (DUB) can be booked from here.
Aer Lingus is a well-known airline that operates direct flights from Denver to Dublin Airport departing from DEN.
We make it easy to find a flight from Denver to DUB with a stopover. To see your options departing from Denver International Airport (DEN), uncheck 'Direct flights only.' Next, select a flight that has a stop long enough to tour the city of your choice. Top stopovers between DEN and DUB include:
- O'Hare International Airport (ORD)
- Pearson International Airport (YYZ)
- Philadelphia International Airport (PHL)
DEN is roughly 40 kilometres from central Denver. To help you work out how to get there, use Google Maps. This useful traveller tool will give you the fastest route and your public transport options.
In search of a convenient place to stay before your flight from Denver to Dublin Airport? Consider SpringHill Suites Denver Airport. Catch some z's here before heading to Denver International Airport.

About Dublin Airport (DUB)

The last thing you need is a lengthy journey to your hotel if you're getting in late on a flight from Denver to Dublin Airport. Book one of these accommodation options near DUB instead:

Getting from Dublin Airport (DUB) to central Dublin

Dublin Airport to the centre of Dublin takes around 29 minutes by car. It's approximately 21 kilometres away. Discover what options are available, such as car rentals, cabs or ride-sharing.
Travelling on public transport takes about 2 hours and 9 minutes.

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

The best price we've seen for a one-way ticket from Denver to Dublin Airport is $686. The cheapest price for a return flight is $711. Remember fares may change due to availability at the time of booking.
You're more likely to score cheap tickets from Denver to DUB when you book 10 months ahead. We crunched the flight price data and found that's the time fares for this journey are usually at their lowest.
To snag the best deal on your tickets from Denver to Dublin Airport, schedule your trip for July (it's when flights are cheapest). Got flexible travel dates? Use the 'Whole month' function to browse the most affordable day to fly.
Create a Price Alert for flight tickets from Denver to DUB. You don't need to search every day to find out if fares have dropped. We'll notify you when the price changes.
Tailor your trip with filters. Choose your departure and arrival times, total journey duration and airlines. You can also sort the results by 'Cheapest,' 'Fastest' or 'Best' flights from Denver to Dublin Airport.

The best time to fly from Denver to Dublin Airport (DUB)

August is the most popular month for flights from Denver to Dublin Airport. To escape the crowds, travel to Dublin in February when it's quieter.
Think about the kind of weather that'll suit your plans for Dublin. July is known as the warmest month. Book your flights from Denver to DUB sometime then and you can expect temperatures of between 10ºC and 20ºC.
Travel in January for cooler conditions. Average temperatures range between 1ºC and 9ºC. However, this destination delivers on a good time whenever you book your cheap flights from Denver to Dublin Airport.

More about Dublin

After locking in your flight from Denver to Dublin Airport, think about where you'd like to stay in this city. Make one of these options your base for exploring Dublin:
One of the best ways to get to know Dublin is to check out its most popular sights. Essential stops include Guinness Storehouse, Trinity College Library and Dublin Castle.

Complete your Dublin trip with a car rental

Exit all those tabs and leave the hard work to us. We've also got amazing deals on car rentals in Dublin once you've booked your cheap flight from Denver to Dublin Airport. Easily compare prices all in one place and drive off with a bargain that's hard to match.