Popular airlines from Denver Intl. Airport (DEN) to Dublin Airport (DUB)
British AirwaysBritish Airways
LufthansaLufthansa
Aer LingusAer Lingus
Air CanadaAir Canada
IcelandairIcelandair
Brussels AirlinesBrussels Airlines
IberiaIberia
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Today's featured flight deals from Denver Intl. Airport (DEN) to Dublin Airport (DUB)
- Denver (DEN) to Dublin (DUB).Aer Lingus, nonstop.Departing on Mon, Aug 11 at 7:55pm from Denver, arriving on Tue, Aug 12 at 11:40am in Dublin.Returning on Thu, Aug 21 at 3:25pm from Dublin, arriving at 5:59pm in Denver.Select Aer Lingus flight departing on Mon, Aug 11 at 7:55pm from Denver, returning on Thu, Aug 21 at 3:25pm from Dublin priced at $41260% less than typical$412
- Denver (DEN) to Dublin (DUB).Aer Lingus, nonstop.Departing on Sat, Aug 16 at 7:55pm from Denver, arriving on Sun, Aug 17 at 11:35am in Dublin.Returning on Sat, Aug 23 at 3:25pm from Dublin, arriving at 5:59pm in Denver.Select Aer Lingus flight departing on Sat, Aug 16 at 7:55pm from Denver, returning on Sat, Aug 23 at 3:25pm from Dublin priced at $60045% less than typical$600
- Denver (DEN) to Dublin (DUB).Aer Lingus, nonstop.Departing on Thu, Sep 4 at 7:55pm from Denver, arriving on Fri, Sep 5 at 11:40am in Dublin.Returning on Mon, Sep 8 at 3:25pm from Dublin, arriving at 5:59pm in Denver.Select Aer Lingus flight departing on Thu, Sep 4 at 7:55pm from Denver, returning on Mon, Sep 8 at 3:25pm from Dublin priced at $55235% less than typical$552
- Denver (DEN) to Dublin (DUB).Aer Lingus, nonstop.Departing on Fri, Sep 12 at 7:55pm from Denver, arriving on Sat, Sep 13 at 11:40am in Dublin.Returning on Thu, Sep 18 at 3:25pm from Dublin, arriving at 5:59pm in Denver.Select Aer Lingus flight departing on Fri, Sep 12 at 7:55pm from Denver, returning on Thu, Sep 18 at 3:25pm from Dublin priced at $49235% less than typical$492
- Denver (DEN) to Dublin (DUB).Aer Lingus, nonstop.Departing on Wed, Sep 10 at 7:55pm from Denver, arriving on Thu, Sep 11 at 11:40am in Dublin.Returning on Wed, Sep 24 at 3:25pm from Dublin, arriving at 5:59pm in Denver.Select Aer Lingus flight departing on Wed, Sep 10 at 7:55pm from Denver, returning on Wed, Sep 24 at 3:25pm from Dublin priced at $44235% less than typical$442
- Denver (DEN) to Dublin (DUB).Aer Lingus, nonstop.Departing on Fri, Aug 29 at 7:55pm from Denver, arriving on Sat, Aug 30 at 11:40am in Dublin.Returning on Wed, Sep 3 at 3:25pm from Dublin, arriving at 5:59pm in Denver.Select Aer Lingus flight departing on Fri, Aug 29 at 7:55pm from Denver, returning on Wed, Sep 3 at 3:25pm from Dublin priced at $71125% less than typical$711
Cheap Flights from Denver to Dublin (DEN-DUB)
Prices were available within the past 7 days and start at $331 for one-way flights and $341 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Find the cheapest month to fly from Denver (DEN) to Dublin (DUB)
August is typically the cheapest month to fly
Graph displaying average flight prices per month
Alternative airports near Dublin
Prices were available within the past 7 days. Prices and availability are subject to change.
Origin airport | Denver Intl. |
Destination airport | Dublin |
Airlines serving | Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Swiss International Air Lines, Turkish Airlines, United, WestJet |
Roundtrip price | $340 |
Distance | 4381 mi |
Average flight time | 8 hours 40 mins |
Denver to Dublin Flights
The cheapest times to fly from Denver to Dublin
On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Denver to Dublin are during the month of August. You can find some of the cheapest flights from Denver to Dublin with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Denver to Dublin
Sunday is one of the best days to book for cheap flights from Denver to Dublin: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.
How to find cheap round-trip tickets from Denver to Dublin
Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Denver to Dublin in 2025. You can also book with separate airlines for your outbound and return journeys, from $331 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.
Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Denver to Dublin flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.
You could also save big by booking one of Expedia's vacation packages. Bundling together your Denver to Dublin airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.
*Terms apply.
Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.