DEN - DUB

€253 Find Cheap Flights from Denver to Dublin – Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 26% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest return flight
€510
Typical prices: €467-€797
British Airways
Mon 5/11Sat 10/11
DEN - DUB • 1 stop
Cheapest one-way flight
€253
Typical prices: €356-€517
Multiple Airlines
Wed 17/10
DEN - DUB • 3 stops
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 16 weeks in advance save around 29% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 39% price drop
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Cheapest • Avg €461 (return)
Shortest trip • 12h 10m (one-way)
Insights
Insights
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
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

Thu, 5 Nov - Tue, 10 Nov
British Airways Logo
17:05 - 14:00DEN  Denver Intl-DUB Dublin
13h 55m1 stop London Heathrow
British Airways Logo
08:50 - 15:10DUB  Dublin-DEN Denver Intl
13h 20m1 stop London Heathrow
€510British Airways
Thu, 5 Nov - Tue, 10 Nov
Multiple Airlines Logo
17:05 - 17:35DEN  Denver Intl-DUB Dublin
17h 30m1 stop London Heathrow
Multiple Airlines Logo
18:05 - 19:53DUB  Dublin-DEN Denver Intl
32h 48m2 stops Helsinki-Vantaa Dallas/Fort Worth
€511Multiple Airlines
Thu, 5 Nov - Tue, 10 Nov
Finnair Logo
13:13 - 17:20DEN  Denver Intl-DUB Dublin
21h 07m2 stops Dallas/Fort Worth Helsinki-Vantaa
Finnair Logo
18:05 - 19:53DUB  Dublin-DEN Denver Intl
32h 48m2 stops Helsinki-Vantaa Dallas/Fort Worth
€540Finnair
Mon, 28 Sep - Fri, 2 Oct
Aer Lingus Logo
20:00 - 11:45DEN  Denver Intl-DUB Dublin
8h 45mdirect
Aer Lingus Logo
16:45 - 00:17DUB  Dublin-DEN Denver Intl
14h 32m1 stop Chicago O'Hare Intl
€602Aer Lingus
Sun, 1 Nov - Sat, 7 Nov
British Airways Logo
17:01 - 19:45DEN  Denver Intl-DUB Dublin
19h 44m1 stop London Heathrow
British Airways Logo
20:40 - 17:40DUB  Dublin-DEN Denver Intl
28h 00m2 stops London Heathrow Dallas/Fort Worth
€604British Airways
Thu, 1 Oct - Sun, 11 Oct
Air Canada Logo
07:51 - 07:45DEN  Denver Intl-DUB Dublin
16h 54m1 stop Vancouver Intl
Air Canada Logo
09:50 - 08:34DUB  Dublin-DEN Denver Intl
29h 44m2 stops Vancouver Intl Calgary
€618Air Canada
Sun, 24 Jan - Sun, 31 Jan
Lufthansa Logo
16:15 - 17:10DEN  Denver Intl-DUB Dublin
17h 55m1 stop Munich Franz Josef Strauss
Lufthansa Logo
05:10 - 14:24DUB  Dublin-DEN Denver Intl
40h 14m2 stops Frankfurt am Main Austin Bergstrom
€619Lufthansa
Sat, 16 Jan - Tue, 19 Jan
United Airlines Logo
17:40 - 07:10DEN  Denver Intl-DUB Dublin
30h 30m1 stop Toronto Pearson Intl
United Airlines Logo
10:40 - 22:16DUB  Dublin-DEN Denver Intl
18h 36m1 stop Chicago O'Hare Intl
€620United Airlines
Sat, 6 Feb - Fri, 12 Feb
United Airlines Logo
20:30 - 08:10DEN  Denver Intl-DUB Dublin
28h 40m1 stop Chicago O'Hare Intl
United Airlines Logo
10:40 - 19:54DUB  Dublin-DEN Denver Intl
16h 14m1 stop Chicago O'Hare Intl
€620United Airlines
Thu, 21 Jan - Sat, 30 Jan
Lufthansa Logo
11:15 - 17:10DEN  Denver Intl-DUB Dublin
22h 55m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
Lufthansa Logo
05:10 - 22:16DUB  Dublin-DEN Denver Intl
24h 06m2 stops Frankfurt am Main Chicago O'Hare Intl
€622Lufthansa
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 from Denver to Dublin with more confidence.

How much is a return flight from Denver to Dublin?

Return flights from Denver to Dublin start at €510. Prices are typical for this route right now, with typical return fares ranging from €467 to €797. The lowest price found in the past 5 days was €510 on British Airways.

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

Tuesday is the cheapest day of the week to fly from Denver to Dublin and is 17% cheaper than the average day. Monday is the most expensive day with flight prices 5% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • January is the cheapest month to fly from Denver to Dublin at €374 return.
  • June (€867) and December (€764) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 131% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Denver to Dublin the cheapest?

Flights from Denver to Dublin are cheapest 16 weeks before departure. Booking in this window typically costs about 29% 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

€253
Best time to beat the crowds (39% less expensive on average)
Most popular time to fly and prices are also 8% lower on average.
Flights 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 route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • 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).

  • 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 are available on the route from Denver to Dublin?

    Only Aer Lingus operates flights between Denver and Dublin.

  • 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 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 and a checked bag in Economy class

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

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

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

  • 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 €461 return via Atlanta Hartsfield-Jackson (ATL), compared with €706 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 €48–€87 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 Aer Lingus and British Airways. Other aircraft seen on the route include Boeing 787-9 Dreamliner variants.

  • 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) – 41% of one-stop connections
    • London Heathrow (LHR) – 17% of one-stop connections
    • Toronto Pearson Intl (YYZ) – 8% of one-stop connections
    • Minneapolis St Paul (MSP) – 7% of one-stop connections

    Reykjavik Keflavik Intl (KEF) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 21% on the Denver to Dublin route. Tuesday is the cheapest departure day at €511 return on average, while Monday is the most expensive at €646, a difference of €135. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Dublin?

    Some of the most popular sights in Dublin are Dublin City Centre, Bord Gáis Energy Theatre, and 3Olympia Theatre. These are among the most viewed places in Dublin on KAYAK.

  • What are the earliest and latest flights from Denver to Dublin?

    These are the earliest and latest flight times available from Denver to Dublin:

    • Earliest: departs at 20:00 and lands at 04:45
    • Latest: departs at 20:00 and lands at 04:45.

    The flight takes about 8h 45m.

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

    Last-minute fares on this route (booked within 2 weeks of departure) run 17% above the route average of €612. Book 16 weeks before departure for the lowest fares.

  • How long is a flight from Denver to Dublin?

    A direct flight from Denver to Dublin takes 8h 45m, 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 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 €271, which is 37% below the typical average for this route.

  • 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 10m, compared to 12h 29m via Chicago O'Hare Intl (ORD) and 12h 52m via Reykjavik Keflavik Intl (KEF).

  • What is the time difference between Denver and Dublin?

    Dublin is 7 hours ahead of Denver (Irish Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

  • 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 €3 for economy cars. Top options include:
    • Budget
    • Sixt
    • Easirent
    • Europcar
    • Thrifty

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

    Return flights from Denver to Dublin range from €467 to €797, with an average of €612 over the past 12 months. Anything below €467 counts as a good deal.

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 instead of Monday. On this route, Tuesday flights average €511 – about €135 less than Monday (21% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 16 weeks before you fly. On this route, that window historically saves about 29% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Denver to Dublin trip for January. Fares historically average €374 return in that month – typically €493 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 €461 return on this route – about €245 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