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DEN - DUB

$308 Find Cheap Flights from Denver to Dublin - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$629
Typical prices: $540-$921
British Airways
Mon 11/12Fri 11/16
DEN - DUB • 1 stop
Cheapest one-way
$308
Typical prices: $411-$598
British Airways
Sat 1/6
DEN - DUB • 1 stop
Nonstop flights
Not available
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
16 weeks
in advance
Our data shows that travelers who book at least 16 weeks in advance save around 29% compared to booking last minute.
Insights
Insights
When to travel
January
Cheapest • 39% price drop
April
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Atlanta Hartsfield-Jackson (ATL)
Cheapest • Avg $533 (round-trip)
Minneapolis St Paul (MSP)
Shortest trip • 12h 10m (one-way)
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Insights
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We hope you love your trip to Dublin!
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Flight Deals

Cheap Flights from Denver to Dublin (DEN-DUB)

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

Recent round-trip flight deals from Denver to Dublin

Thu, Nov 12 - Mon, Nov 16
British Airways Logo
5:05 pm - 5:35 pmDEN  Denver Intl-DUB Dublin
17h 30m1 stop London Heathrow
British Airways Logo
8:40 pm - 5:40 pmDUB  Dublin-DEN Denver Intl
28h 00m2 stops London Heathrow Dallas/Fort Worth
$629British Airways
Thu, Oct 29 - Wed, Nov 11
Icelandair Logo
4:40 pm - 10:15 amDEN  Denver Intl-DUB Dublin
11h 35m1 stop Reykjavik Keflavik Intl
Icelandair Logo
11:30 am - 6:00 pmDUB  Dublin-DEN Denver Intl
13h 30m1 stop Reykjavik Keflavik Intl
$656Icelandair
Thu, Oct 29 - Wed, Nov 11
Icelandair Logo
4:40 pm - 10:15 amDEN  Denver Intl-DUB Dublin
11h 35m1 stop Reykjavik Keflavik Intl
Icelandair Logo
11:30 am - 6:00 pmDUB  Dublin-DEN Denver Intl
13h 30m1 stop Reykjavik Keflavik Intl
$662Icelandair
Wed, Nov 11 - Tue, Nov 17
Multiple Airlines Logo
6:31 pm - 10:15 amDEN  Denver Intl-DUB Dublin
32h 44m3 stops Atlanta Hartsfield-Jackson Orlando Reykjavik Keflavik Intl
Multiple Airlines Logo
11:30 am - 8:13 amDUB  Dublin-DEN Denver Intl
27h 43m2 stops Reykjavik Keflavik Intl Orlando
$665Multiple Airlines
Wed, Jan 13 - Wed, Jan 27
Multiple Airlines Logo
5:01 pm - 12:15 pmDEN  Denver Intl-DUB Dublin
12h 14m1 stop London Heathrow
Multiple Airlines Logo
6:05 pm - 8:06 pmDUB  Dublin-DEN Denver Intl
33h 01m2 stops Helsinki-Vantaa Dallas/Fort Worth
$676Multiple Airlines
Mon, Feb 15 - Fri, Feb 26
Air Canada Logo
7:05 pm - 7:10 amDEN  Denver Intl-DUB Dublin
53h 05m2 stops Edmonton Toronto Pearson Intl
Air Canada Logo
9:00 am - 6:04 pmDUB  Dublin-DEN Denver Intl
40h 04m2 stops Toronto Pearson Intl Edmonton
$678Air Canada
Wed, Jan 20 - Wed, Feb 3
British Airways Logo
5:01 pm - 12:15 pmDEN  Denver Intl-DUB Dublin
12h 14m1 stop London Heathrow
British Airways Logo
9:00 am - 3:10 pmDUB  Dublin-DEN Denver Intl
13h 10m1 stop London Heathrow
$680British Airways
Mon, Feb 15 - Fri, Feb 26
United Airlines Logo
5:55 pm - 8:10 amDEN  Denver Intl-DUB Dublin
31h 15m1 stop Chicago O'Hare Intl
United Airlines Logo
9:00 am - 10:30 amDUB  Dublin-DEN Denver Intl
32h 30m1 stop Toronto Pearson Intl
$685United Airlines
Tue, Feb 2 - Thu, Feb 11
United Airlines Logo
12:55 am - 7:30 amDEN  Denver Intl-DUB Dublin
23h 35m1 stop Newark
United Airlines Logo
9:00 am - 10:30 amDUB  Dublin-DEN Denver Intl
32h 30m1 stop Toronto Pearson Intl
$685United Airlines
Wed, Mar 17 - Thu, Mar 25
Air Canada Logo
1:30 pm - 6:10 amDEN  Denver Intl-DUB Dublin
10h 40m1 stop Toronto Pearson Intl
Air Canada Logo
8:00 am - 2:38 pmDUB  Dublin-DEN Denver Intl
36h 38m2 stops Toronto Pearson Intl Chicago O'Hare Intl
$688Air Canada
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 round-trip flight from Denver to Dublin?

Round-trip flights from Denver to Dublin typically range from $540 to $921. The lowest price found in the past 5 days was $629, on British Airways.

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 17% cheaper than the average day, while Monday is the most expensive, with prices 5% higher.

What’s the cheapest month to fly from Denver to Dublin?

•January is the cheapest month to fly from Denver to Dublin at $432 round-trip.
•June ($1,002) and December ($883) 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 flights 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.

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Expert advice

Expert advice for your flight from Denver to Dublin

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on DUB

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Harriet Baskas

Harriet Baskas

Expert on DEN

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more

Key details for Denver to Dublin flights

Low season

January

Cheapest flight

$308
Beat the crowds with an average 78% drop in travelers.
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 round-trip price

Your Denver to Dublin flight questions, answered

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

  • 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 8:00 pm and lands at 4:45 am
    • Latest: departs at 8:00 pm and lands at 4:45 am.

    The flight takes about 8h 45m.

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

    Three cabin classes are available on flights from Denver to Dublin:

    • Economy Class
    • Premium Economy Class
    • Business Class

  • How long is a flight from Denver to Dublin?

    A nonstop flight from Denver to Dublin takes 8h 45m, covering 4,378 miles.

  • 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?

    Round-trip flights from Denver to Dublin range from $540 to $921, with an average of $708 over the past 12 months. Anything below $540 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 17% above the $708 route average. Book 16 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from Denver to Dublin?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $533 round-trip via Atlanta Hartsfield-Jackson (ATL), compared to $816 for nonstop.

  • 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 $55–$100 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.

  • 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 $351, which is 29% below the typical average for this route.

  • What car rental options are available at Dublin Airport (DUB)?

    Dublin Airport (DUB) hosts 5 major car rental companies, with daily rates starting from around $4 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) - 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

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

    Yes. Flexible dates can save you up to 21% on flights from Denver to Dublin. Tuesday is the cheapest departure day at $591 round-trip on average, while Monday is the most expensive at $747, a difference of $156.

    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 airlines fly from Denver to Dublin?

    Only Aer Lingus operates flights between Denver and Dublin.

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

    Flying via Minneapolis St Paul (MSP) gives the shortest average 1-stop total travel time at 12h 10m, compared with 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.

  • What popular places can I visit in Dublin?

    Some of the most popular sights in Dublin are St. Stephen's Green, Aviva Stadium and St. Patrick's Cathedral. 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 and a checked bag in Economy Class

    Bag 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 Monday. On this route, Tuesday flights average $591, about $156 less than Monday fares (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 $432 round-trip in that month - typically $570 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 layover option averages $533 round-trip on this route - about $283 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 rental

Car rentals in Dublin
Hotels in Dublin
Vacations in Dublin