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C$471 Cheap Flights from Dublin (DUB) to Denver International (DEN)

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Flight deals from Dublin Airport to Denver International Airport

Looking for a cheap last-minute deal or the best return flight from Dublin Airport to Denver International Airport? If you want to travel next month, return fares start from C$734. Find the lowest prices on one-way and return tickets right here.
Denver.C$471 per passenger.Departing Tue., May 19.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Dublin on Tue., May 19, arriving in Denver International.Price includes taxes and charges.From C$471, select.
Denver.C$503 per passenger.Departing Tue., Apr. 14.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Dublin on Tue., Apr. 14, arriving in Denver International.Price includes taxes and charges.From C$503, select.
Denver.C$508 per passenger.Departing Mon., Jun. 1.One-way flight with jetBlue.Outbound indirect flight with jetBlue, departs from Dublin on Mon., Jun. 1, arriving in Denver International.Price includes taxes and charges.From C$508, select.
Denver.C$686 per passenger.Departing Tue., Aug. 25.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Dublin on Tue., Aug. 25, arriving in Denver International.Price includes taxes and charges.From C$686, select.
Denver.C$688 per passenger.Departing Fri., Sep. 4.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Dublin on Fri., Sep. 4, arriving in Denver International.Price includes taxes and charges.From C$688, select.
Denver.C$696 per passenger.Departing Mon., Jan. 11.One-way flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departs from Dublin on Mon., Jan. 11, arriving in Denver International.Price includes taxes and charges.From C$696, select.
Denver.C$714 per passenger.Departing Thu., Jul. 9.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Dublin on Thu., Jul. 9, arriving in Denver International.Price includes taxes and charges.From C$714, select.
Denver.C$722 per passenger.Departing Wed., Nov. 4.One-way flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departs from Dublin on Wed., Nov. 4, arriving in Denver International.Price includes taxes and charges.From C$722, select.
Denver.C$723 per passenger.Departing Tue., Dec. 8.One-way flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departs from Dublin on Tue., Dec. 8, arriving in Denver International.Price includes taxes and charges.From C$723, select.
Denver.C$755 per passenger.Departing Mon., Oct. 5.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Dublin on Mon., Oct. 5, arriving in Denver International.Price includes taxes and charges.From C$755, select.
Denver.C$834 per passenger.Departing Mon., May 18.One-way flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Dublin on Mon., May 18, arriving in Denver International.Price includes taxes and charges.From C$834, select.
Denver.C$1,057 per passenger.Departing Sat., Sep. 5.One-way flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Dublin on Sat., Sep. 5, arriving in Denver International.Price includes taxes and charges.From C$1,057, select.
Denver.C$1,080 per passenger.Departing Mon., Jun. 8.One-way flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Dublin on Mon., Jun. 8, arriving in Denver International.Price includes taxes and charges.From C$1,080, select.
Denver.C$1,115 per passenger.Departing Mon., Mar. 30.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Dublin on Mon., Mar. 30, arriving in Denver International.Price includes taxes and charges.From C$1,115, select.
Denver.C$1,267 per passenger.Departing Sun., Jul. 19.One-way flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Dublin on Sun., Jul. 19, arriving in Denver International.Price includes taxes and charges.From C$1,267, select.
Denver.C$1,281 per passenger.Departing Mon., Aug. 17.One-way flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Dublin on Mon., Aug. 17, arriving in Denver International.Price includes taxes and charges.From C$1,281, select.

Find the cheapest month to fly from Dublin to Denver International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Dublin to Denver International flights are currently cheapest in May.
Mar.
from C$1,115
Apr.
from C$503
May
from C$471
Jun.
from C$508
Jul.
from C$714
Aug.
from C$686
Sep.
from C$688
Oct.
from C$755
Nov.
from C$722
Dec.
from C$723
Jan.
from C$696
Feb.
Find prices

Which airlines fly from Dublin to Denver International?

Dublin to Denver International: Alternative routes

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

Denver Arapahoe Co

1km from central Denver
Closest
Search flights

Broomfield

23km from central Denver
Search flights

Denver International

30km from central Denver
Cheapest
from C$471
Search flights

Northern Colorado Regional

79km from central Denver
Search flights

Dublin to Denver: Flight information

The things to know before you go.
Cheapest flight foundC$471
Cheapest month to flyMay
Average flight time9 hrs, 45 mins
Most popular airlineAer Lingus
Average flights per week22

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

The best price we found for a return flight from Dublin to Denver International is C$673. 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.
9 hours and 45 minutes is the average flight time from Dublin to Denver International.
Aer Lingus, British Airways and American Airlines fly direct from Dublin to Denver International.
As of March 2026, there are 22 flights per week flying from Dublin to Denver International.
The cheapest month to fly from Dublin to Denver International is usually May.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Dublin Airport to Denver International Airport on Monday, May 4, 2026.
Yes – the average flight time is 9 hours and 45 minutes.
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 Denver International 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.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Denver is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Icelandair and Aer Lingus offer the cheapest flight tickets to Denver International.

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

  • The average length of a direct flight from Dublin Airport to Denver International Airport is 9 hours 45 minutes. Denver's timezone is UTC-6, which makes Denver 6 hours behind Dublin.

  • Each week, there are 2 flights from Dublin Airport to Denver International Airport. To take off early, go for the 15:30 Aer Lingus flight. If you'd rather make the most of your time before you fly, the last flight from DUB to DEN is 21:00 with Aer Lingus.

  • Heading away during a peak period like a public holiday? Expect longer lines at check-in and security. Give yourself extra leeway and arrive up to four hours before international flights and two hours ahead of domestic departures.

  • If you want to break up your flight from Dublin Airport to Denver International Airport, add a stopover to your trip. Just deselect 'Direct flights only' and find a city that interests you. The top stopovers on the DUB - DEN route are:

    • Minneapolis-St. Paul International Airport

    • O'Hare International Airport

    • Calgary International Airport

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

  • The lowest price we've found for a one-way ticket from Dublin Airport to Denver International Airport is C$471. For a return flight on this route, the best price is C$673. Depending on the availability when you book, these fares could change.

  • Get cheap flight tickets from DUB to DEN by booking at least 10 months ahead. Based on our research, that's the sweet spot for finding a bargain.

  • June is the cheapest month for flight tickets from Dublin Airport to Denver International Airport. If you prefer to travel at a different time of year, the 'Whole month' tool will show you the lowest airfares for every month.

  • Create a Price Alert for cheap flight tickets from DUB to DEN. There's no need to search every day to find out if fares have dropped. We'll let you know the moment the price changes.

  • Use filters to find the perfect journey for you. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Dublin Airport to Denver International Airport, use the 'Sort by' tool. You can also filter by departure and arrival times, airline, and journey duration.

Handy information about Dublin Airport (DUB)

  • Traveling from central Dublin to Dublin Airport takes approximately 2 hours and 9 minutes by public transport. If you ride-share, drive or grab a cab, you'll cover the 21 kilometres in 29 minutes or so, depending on traffic conditions.

  • Taking an early flight from Dublin Airport to Denver International Airport? Avoid rushing to the terminal (and enjoy a little extra shut-eye) by choosing one of these stays near DUB:

Arriving at Denver International Airport (DEN)

  • Consider staying at SpringHill Suites Denver Airport after your flight from Dublin Airport to Denver International Airport. It's a quick drive from DEN and a comfortable option if you're eager to relax as soon as possible.

Getting from Denver International Airport (DEN) to central Denver

  • From Denver International Airport, Denver is approximately 40 kilometres away. It takes around 34 minutes to reach the center driving.

  • Traveling to the center by public transport will take you roughly 1 hour and 31 minutes.

When to fly to Denver International Airport (DEN)

  • It's time to work out your travel dates for your flight from Dublin Airport to Denver International Airport. July is the most popular month to visit Denver. If you like a more low-key vibe, go in April.

  • Before locking in your flight from Dublin Airport to Denver International Airport, consider the type of weather you enjoy. July is the warmest month in Denver, with the temperature ranging from 14ºC to 32ºC.

  • January sees average temperatures of between -9ºC and 7ºC. Search for cheap flight tickets from DUB to DEN around that time if you like traveling in cooler conditions.

More about Denver

Complete your Denver trip with hotels and a car rental

  • We don't just compare flights. Once you've secured your cheap ticket to Denver International Airport, browse our car rental deals that'll give you the flexibility to see the sights at your own pace. Next, take a look at our exclusive rates for hotels to find your ideal Denver stay.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.