DEN - DUB

€231 Find Cheap Flights from Denver to Dublin – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
€378
Typical prices: €510-€855
United Airlines
Tue 27/3Wed 4/4
DEN - DUB • 1 stop
Cheapest one-way flight
€231
Typical prices: €362-€544
Icelandair
Fri 9/11
DEN - DUB • 1 stop
Direct flights
There are currently no direct flights between Denver and Dublin. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 20 weeks in advance save around 30% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 33% price drop
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Cheapest • Avg €478 (return)
Shortest trip • 12h 14m (one-way)
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Insights
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We hope you enjoy your trip to Dublin!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Denver to Dublin (DEN-DUB)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Denver to Dublin

Sat, 27 Mar - Sun, 4 Apr
United Airlines Logo
19:05 - 09:45DEN  Denver Intl-DUB Dublin
31h 40m1 stop Chicago O'Hare Intl
United Airlines Logo
09:20 - 12:40DUB  Dublin-DEN Denver Intl
34h 20m1 stop Vancouver Intl
€378United Airlines
18 hours ago
Tue, 12 Jan - Sat, 23 Jan
Air Canada Logo
18:00 - 07:10DEN  Denver Intl-DUB Dublin
30h 10m2 stops Chicago O'Hare Intl Toronto Pearson Intl
Air Canada Logo
09:00 - 18:06DUB  Dublin-DEN Denver Intl
40h 06m2 stops Toronto Pearson Intl Edmonton
€379Air Canada
2 days ago
Thu, 26 Nov - Thu, 3 Dec
Air Canada Logo
11:18 - 07:10DEN  Denver Intl-DUB Dublin
36h 52m2 stops Edmonton Toronto Pearson Intl
Air Canada Logo
09:00 - 10:35DUB  Dublin-DEN Denver Intl
32h 35m1 stop Toronto Pearson Intl
€380Air Canada
2 days ago
Mon, 26 Apr - Wed, 5 May
Air Canada Logo
19:00 - 07:45DEN  Denver Intl-DUB Dublin
29h 45m1 stop Vancouver Intl
Air Canada Logo
09:50 - 14:21DUB  Dublin-DEN Denver Intl
35h 31m2 stops Toronto Pearson Intl Los Angeles
€381Air Canada
1 day ago
Sat, 6 Mar - Sun, 14 Mar
United Airlines Logo
16:15 - 08:10DEN  Denver Intl-DUB Dublin
32h 55m1 stop Chicago O'Hare Intl
United Airlines Logo
09:00 - 10:30DUB  Dublin-DEN Denver Intl
31h 30m1 stop Toronto Pearson Intl
€382United Airlines
4 hours ago
Wed, 2 Dec - Thu, 10 Dec
Icelandair Logo
15:40 - 10:15DEN  Denver Intl-DUB Dublin
11h 35m1 stop Reykjavik Keflavik Intl
Icelandair Logo
11:30 - 18:00DUB  Dublin-DEN Denver Intl
13h 30m1 stop Reykjavik Keflavik Intl
€383Icelandair
17 hours ago
Tue, 1 Dec - Tue, 15 Dec
Air Canada Logo
20:30 - 07:10DEN  Denver Intl-DUB Dublin
27h 40m2 stops Houston George Bush Intcntl Toronto Pearson Intl
Air Canada Logo
09:00 - 12:02DUB  Dublin-DEN Denver Intl
34h 02m2 stops Toronto Pearson Intl Houston George Bush Intcntl
€384Air Canada
3+ days ago
Fri, 19 Mar - Sun, 28 Mar
Air Canada Logo
11:21 - 06:10DEN  Denver Intl-DUB Dublin
36h 49m2 stops Edmonton Toronto Pearson Intl
Air Canada Logo
09:50 - 10:28DUB  Dublin-DEN Denver Intl
31h 38m1 stop Toronto Pearson Intl
€385Air Canada
2 days ago
Sat, 10 Apr - Mon, 19 Apr
United Airlines Logo
16:45 - 09:45DEN  Denver Intl-DUB Dublin
34h 00m1 stop Chicago O'Hare Intl
United Airlines Logo
09:50 - 10:28DUB  Dublin-DEN Denver Intl
31h 38m1 stop Toronto Pearson Intl
€386United Airlines
1 day ago
Thu, 3 Dec - Mon, 7 Dec
Icelandair Logo
15:40 - 10:15DEN  Denver Intl-DUB Dublin
11h 35m1 stop Reykjavik Keflavik Intl
Icelandair Logo
11:30 - 18:00DUB  Dublin-DEN Denver Intl
13h 30m1 stop Reykjavik Keflavik Intl
€386Icelandair
17 hours ago
Booking Insights

Price, demand, and travel trends for Denver to Dublin flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

How much is a return flight from Denver to Dublin?

Return flights from Denver to Dublin typically range from €510 to €855. The lowest price found in the past 5 days was €378 on United Airlines.

What's the cheapest day of the week to fly from Denver to Dublin?

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Denver to Dublin. It's 11% cheaper than the average day, while Saturday is the most expensive, with prices 8% higher.

What is the cheapest month to fly from Denver to Dublin?

•February is the cheapest month to fly from Denver to Dublin at €444 return.
•June (€918) and December (€805) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 106% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Denver to Dublin the cheapest?

Flights from Denver to Dublin are cheapest 20 weeks before departure. Booking in this window typically costs about 30% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Denver to Dublin flights

Low season

January

Cheapest flight

€231
Beat the crowds with an average 57% drop in travellers.
The most popular month to fly with an average 60% increase in travellers.
One-way flight from Denver to Dublin

When to book flights from Denver to Dublin

Are your dates flexible? Find out the best times to travel from Denver to Dublin based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Denver to Dublin flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • Which cabin classes can I book on flights from Denver to Dublin?

    Only Economy class is available on flights from Denver to Dublin.

  • How long is a flight from Denver to Dublin?

    A direct flight from Denver to Dublin takes 00m, covering 11,338 km.

  • Do I need a passport to fly from Denver to Dublin?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Denver to Dublin flight?

    Return flights from Denver to Dublin range from €510 to €855, with an average of €666 over the past 12 months. Anything below €510 counts as a good deal.

  • How expensive are last-minute Denver to Dublin flights?

    Last-minute fares on this route (booked within two weeks of departure) run 23% above the €666 route average. Book 20 weeks before departure for the lowest fares.

  • How much can I save by having a stopover when flying from Denver to Dublin?

    On this route, stopover flights are cheaper than direct options on average. Stopover fares average €478 return via Atlanta Hartsfield-Jackson (ATL), compared with €783 for direct.

  • What is the standard checked bag allowance on flights from Denver to Dublin?

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge €49–€90 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Denver to Dublin?

    The Airbus A330-200 family is used most often on this route, operated mainly by Iberia and Aer Lingus. Other aircraft seen on the route include Boeing 787 Dreamliner variants.

  • How are flight prices from Denver to Dublin looking right now?

    One-way fares from Denver to Dublin are currently lower than usual. Average one-way flight prices are about €253, which is 43% below the typical average for this route.

  • Which car hire options are available at Dublin Airport (DUB)?

    Dublin Airport (DUB) hosts 5 major car hire companies, with daily rates starting from around €28 for economy cars. Top options include:

    • Budget
    • Sixt
    • Easirent
    • Europcar
    • Thrifty

  • Which airports can I use when flying from Denver to Dublin?

    Flights from Denver to Dublin usually depart from Denver Intl (DEN) and arrive at Dublin (DUB).

  • Which airports do connecting flights from Denver to Dublin pass through?

    One-stop flights from Denver to Dublin most commonly connect through:

    • Reykjavik Keflavik Intl (KEF) – 38% of one-stop connections
    • London Heathrow (LHR) – 17% of one-stop connections
    • Toronto Pearson Intl (YYZ) – 9% of one-stop connections
    • Minneapolis St Paul (MSP) – 8% of one-stop connections

  • Can I save money by using flexible dates for flights from Denver to Dublin?

    Yes. Flexible dates can save you up to 18% on flights from Denver to Dublin. Tuesday is the cheapest departure day at €594 return on average, while Saturday is the most expensive at €720, a difference of €126.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different stopover airport from Denver to Dublin?

    Flying via Minneapolis St Paul (MSP) gives the shortest average 1-stop total travel time of 12h 14m, compared to 12h 19m via Chicago O'Hare Intl (ORD) and 12h 50m via Reykjavik Keflavik Intl (KEF).

  • What is the time difference between Denver and Dublin?

    Dublin is 6 hours ahead of Denver (Irish Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Dublin?

    Some of the most popular sights in Dublin are Bord Gáis Energy Theatre, 3Olympia Theatre, and St. Stephen's Green. These are among the most viewed places in Dublin on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Denver to Dublin flights?

    Among airlines operating Denver to Dublin flights:

    • Aer Lingus: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Denver to Dublin flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Aer Lingus: a cabin bag and a checked bag in Economy class
    • Iberia: a cabin bag in Economy class class

    Baggage allowance can vary by ticket type, cabin class, route, and airline, so always check the fare details before booking.

  • When I land at DUB and come through customs, where can I exchange my US dollars for euros?

    The International Currency Exchange or ICE counters are available for currency exchange throughout DUB. You can find an ICE kiosk in Terminal 1 near the baggage claim. You can also find one just beyond security in Terminal 2.

  • Is there somewhere at DEN where my service animal can go to the bathroom while we wait for the plane?

    DEN airport has animal relief areas in all three terminals, where both pets and service animals can go to the bathroom. For terminals A, B, and C, the pet relief areas are in the middle of all the gates, close to the US mailbox. In the Jeppesen terminal, the animal relief area is on Level 2.

  • Is there any place where I can get a massage at DEN before I catch my long flight to DUB?

    Yes. At DEN, you can loosen up your muscles before your long flight at the spa called The Massage on Concourse B, on the mezzanine level. Other spas you could try are the Colorado Oasis and XpresSpa.

  • How can I fly from DEN to DUB?

    There are no non-stop flights from DEN to DUB. Airlines such as Air Canada, Lufthansa, and United Airlines operate DEN to DUB flights with one stop. Layovers occur in cities such as Toronto (YYZ), Chicago (ORD), and London (LHR).

Your guide to booking Denver to Dublin flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Saturday. On this route, Tuesday flights average €594, about €126 less than Saturday fares (18% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 20 weeks before you fly. On this route, that window historically saves about 30% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Denver to Dublin trip for February. Fares historically average €444 return in that month – typically €474 less than the most expensive month, which is June (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Atlanta Hartsfield-Jackson Airport (ATL) can be cheaper than flying direct. The cheapest stopover option averages €478 return on this route – about €305 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Dublin Airport.

    • Clayton Hotel Dublin Airport
    • Maldron Hotel Dublin Airport
    • Metro Hotel Dublin Airport
  • To get into the city center of Dublin from Dublin Airport (DUB), you can take an Airlink Bus into the city, where you will be close to other bus stations and railway stations that can get you wherever you need to be throughout the Dublin area.
  • The USO at Denver International Airport (DEN) is located on Concourse A in the center court on Level 4. This lounge is open to active-duty, guard, or reserve military members and their families—and military retirees if there are amenities and room available. Flight boards are on display and amenities include snacks and drinks, restrooms, TV, computers, and occasional meals.
  • If you want quiet contemplation or a feeling of sanctuary when you land, DUB has a Multi-Faith Prayer Room on the Departures Level of Terminal 2. This room is intended to be welcoming to all and offensive to no one. Open 24h every day, this quiet space has prayer mats and chairs where you can settle. You must turn off your cell phone and remove your shoes when you enter this space.
  • If you are intending to meet someone at the airport in DUB, there is a place designed for passengers arriving from a foreign country to meet people picking them up. These locations are in Terminal 1, Arrivals, near the information desk, and in Terminal 2, Arrivals, near the Spar Shop.
  • DEN has one of the biggest airport therapy animal initiatives in the country. The DEN CATS (Canine Airport Therapy Squad) comprise about 80 dogs and one cat. Roaming throughout the airport with their handlers, these animals are recognizable due to their purple plaid vests that say “Pet Me.” These animals are designed to offer comfort to passengers who might be feeling stressed, anxious, sad, or confused. Passengers are encouraged to hug, pet, smooch, and take pictures with these four-legged helpers.

More options for your flight from Denver to Dublin

Complete your trip to Dublin with a hotel stay or car hire