Cheap Flights from Denver, CO to Dublin from $179

Return flight: Dublin – Denver

On Cheapflightsplus.com you will find 1 direct and 834 connecting flights from Denver to Dublin. You can compare airfare deals from 18 airlines and multiple travel sites from $179, book and save on cheap plane tickets and last minute offers. Also check out DEN-DUB flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Denver to Dublin Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $179 (one-way), $307 (round-trip).
Direct flights
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Full flight schedule will help you in detecting at what time planes fly from Denver to Dublin. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
Departure Arrival Flight Details Flight Duration Price
19:55 — 11:35
+1 day
19:55 — 11:35 EI58 Aer Lingus
Denver — Dublin
8h 40m
Find flight
from$394
07:52 — 07:45
+1 day
07:50 — 09:51 AC3236 Air Canada
Denver — Vancouver
5h 14m stop
15:05 — 07:45 AC918 Air Canada
Vancouver — Dublin
16h 53m
including layover
Find flight
from$296
11:35 — 07:45
+1 day
11:35 — 13:36 AC575 Air Canada
Denver — Vancouver
1h 30m stop
15:05 — 07:45 AC918 Air Canada
Vancouver — Dublin
13h 10m
including layover
Find flight
from$296
16:40 — 20:35
+1 day
16:40 — 06:00 FI670 Icelandair
Denver — Reykjavik
1h 40m stop
07:40 — 11:55 FI450 Icelandair
Reykjavik — London
7h 25m stop
19:45 — 21:00 FR339 Ryanair
London — Dublin
20h 55m
including layover
Find flight
from$179
16:40 — 23:20
+1 day
16:40 — 06:00 FI670 Icelandair
Denver — Reykjavik
1h 40m stop
07:40 — 11:55 FI450 Icelandair
Reykjavik — London
10h 5m stop
22:00 — 23:20 FR205 Ryanair
London — Dublin
23h 40m
including layover
Find flight
from$179
20:10 — 18:35
+1 day
20:10 — 09:25 FI672 Icelandair
Denver — Reykjavik
1h 10m stop
10:35 — 15:45 FI208 Icelandair
Reykjavik — Copenhagen
1h 30m stop
17:50 — 19:10 FR633 Ryanair
Copenhagen — Dublin
15h 25m
including layover
Find flight
from$186
20:10 — 21:55
+2 days
20:10 — 09:25 FI672 Icelandair
Denver — Reykjavik
22h 10m stop
07:35 — 12:50 FI554 Icelandair
Reykjavik — Brussels
8h 30m stop
21:20 — 21:55 EI639 Aer Lingus
Brussels — Dublin
42h 45m
including layover
Find flight
from$194
22:29 — 11:05
+2 days
22:29 — 00:15 F92687 Frontier Airlines
Denver — Portland
15h 5m stop
15:20 — 05:55 FI664 Icelandair
Portland — Reykjavik
1h 35m stop
07:30 — 11:05 FI416 Icelandair
Reykjavik — Dublin
29h 36m
including layover
Find flight
from$243
22:30 — 13:15
+2 days
22:29 — 00:19 F92687 Frontier Airlines
Denver — Portland
15h 4m stop
15:20 — 05:55 FI664 Icelandair
Portland — Reykjavik
3h 45m stop
09:40 — 13:15 FI418 Icelandair
Reykjavik — Dublin
31h 45m
including layover
Find flight
from$244
*Departure and arrival times - local. Updated on June 10, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from Denver to Dublin depends on and how to choose the most interesting flight option for you.

Distance between Denver and Dublin is 7049 miles. Time difference between the cities is 7h. Airplanes depart 00:23 to 23:59 from 2 Denver airports and arrive 00:23 to 23:59 to 1 Dublin airport. Average flight time is 8h 40m.

  • The fastest flight 8h 40m
  • Average flight time 8h 40m
  • The earliest flight 00:23
  • The latest flight 23:59
  • Distance 4381 ml

The cheapest months to travel to Dublin are october (from 239 $), july (from 273 $), august (from 337 $).

The most expensive months are december (from 465 $), january (from 465 $), november (from 465 $).

What is the lowest airfare Denver to Dublin?

The cheapest plane ticket found by our users is $179. This airfare is for economy class on one-way FI670 flight by Icelandair for October 7, 2025 which leaves Denver International in Denver at 16:40 am and arrives at Dublin Dublin at 20:35.

Economy class
$179
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Business class
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First class
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Popular Airlines on the Route

The flight Denver — Dublin is served by 18 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by KLM - 28 departures per week at the price of from $ 366 . And the most expensive tickets are offered by Air Canada airline - from $ 852.

Direct flights

There are 1 nonstop flights on the route. The fastest direct flight is EI58 by Aer Lingus takes 8h 40m and the cheapest is FI670 by Icelandair for $394.

  • EI - Aer Lingus
    from $394
    Find
See more direct flights

Connecting Flights

There are 834 flights with layovers on the route. The fastest connecting flight is KL7561 by KLM takes 10h 35m and the cheapest is FI670 by Icelandair for $179.

  • KL - KLM
    from $366
    Find
  • AC - Air Canada
    from $296
    Find
  • FI - Icelandair
    from $179
    Find
  • EI - Aer Lingus
    from $359
    Find
  • AF - Air France
    from $366
    Find
  • SY - Sun Country Airlines
    from $256
    Find
  • UA - United Airlines
    from $318
    Find
  • LX - SWISS International Air Lines
    from $321
    Find
  • F9 - Frontier Airlines
    from $243
    Find
  • TK - Turkish Airlines
    from $381
    Find
  • AY - Finnair
    from $451
    Find
  • HA - Hawaiian Airlines
    from $281
    Find
See more connecting flights

Airports

You can fly from Denver to Dublin from 2 airports (Denver International, Arapahoe Co).

Denver airports

  • Denver International-DEN
    from $179
    Find
  • Arapahoe Co-APA
    Find

Dublin airports

  • Dublin-DUB
    Find

How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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