Cheap Flights from Dublin to Denver, CO from $329

Return flight: Denver – Dublin

On Cheapflightsplus.com you will find 1 direct and 692 connecting flights from Dublin to Denver. You can compare airfare deals from 28 airlines and multiple travel sites from $329, book and save on cheap plane tickets and last minute offers. Also check out DUB-DEN flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Dublin to Denver 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: $329 (one-way), $564 (round-trip).
Direct flights
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Full flight schedule will help you in detecting at what time planes fly from Dublin to Denver. 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
15:25 — 17:59
15:25 — 17:59 EI59 Aer Lingus
Dublin — Denver
9h 34m
Find flight
from$442
08:45 — 16:25
08:45 — 10:20 BA4463 British Airways
Dublin — London
3h 15m stop
13:35 — 16:25 BA219 British Airways
London — Denver
14h 40m
including layover
Find flight
from$438
14:15 — 18:55
14:15 — 15:55 FI419 Icelandair
Dublin — Reykjavik
55m stop
16:50 — 18:55 FI671 Icelandair
Reykjavik — Denver
11h 40m
including layover
Find flight
from$425
20:10 — 16:25
+1 day
20:10 — 21:40 BA4471 British Airways
Dublin — London
15h 55m stop
13:35 — 16:25 BA219 British Airways
London — Denver
27h 15m
including layover
Find flight
from$438
06:40 — 01:15
+2 days
06:40 — 10:00 EI332 Aer Lingus
Dublin — Berlin
9h 20m stop
19:20 — 22:00 N0601 N0
Berlin — New York
24h 55m stop
22:55 — 01:15 F93161 Frontier Airlines
New York — Denver
49h 35m
including layover
Find flight
from$357
08:35 — 19:31
08:35 — 10:10 BA833 British Airways
Dublin — London
1h 50m stop
12:00 — 16:15 BA1520 British Airways
London — Dallas
2h 21m stop
19:08 — 20:16 BA1950 British Airways
Dallas — Denver
17h 56m
including layover
Find flight
from$414
09:45 — 11:26
+1 day
09:45 — 11:55 WS51 WestJet
Dublin — Halifax
8h 10m stop
20:05 — 22:40 WS257 WestJet
Halifax — Calgary
10h 15m stop
08:55 — 11:26 WS1570 WestJet
Calgary — Denver
32h 41m
including layover
Find flight
from$396
09:45 — 11:26
+1 day
09:45 — 11:55 WS51 WestJet
Dublin — Halifax
3h 25m stop
15:20 — 17:55 WS235 WestJet
Halifax — Calgary
15h stop
08:55 — 11:26 WS1570 WestJet
Calgary — Denver
32h 41m
including layover
Find flight
from$419
10:10 — 10:14
+1 day
10:00 — 11:39 WS59 WestJet
Dublin — St. John's
3h 7m stop
15:00 — 17:10 WS627 WestJet
St. John's — Toronto
15h 30m stop
08:45 — 10:30 AC1039 Air Canada
Toronto — Denver
34h 54m
including layover
Find flight
from$329
10:20 — 10:21
+1 day
09:45 — 11:55 WS51 WestJet
Dublin — Halifax
17h 17m stop
05:45 — 06:35 AC661 Air Canada
Halifax — Montreal
1h 37m stop
08:05 — 10:27 AC1073 Air Canada
Montreal — Denver
31h 1m
including layover
Find flight
from$363
11:35 — 11:27
+2 days
11:35 — 13:15 OG881 Air Onix
Dublin — Reykjavik
20h 20m stop
09:35 — 10:35 WS39 WestJet
Reykjavik — Calgary
22h 20m stop
08:55 — 11:27 WS1570 WestJet
Calgary — Denver
54h 52m
including layover
Find flight
from$334
11:50 — 21:28
12:20 — 15:00 WS37 WestJet
Dublin — Toronto
1h 30m stop
16:00 — 17:15 WS1428 WestJet
Toronto — Nashville
2h 8m stop
19:23 — 21:28 F91401 Frontier Airlines
Nashville — Denver
16h 38m
including layover
Find flight
from$351
12:20 — 10:12
+2 days
12:20 — 15:00 WS37 WestJet
Dublin — Toronto
19h 5m stop
10:05 — 11:40 PD641 Porter Airlines
Toronto — Phoenix
19h 38m stop
07:18 — 10:12 F91376 Frontier Airlines
Phoenix — Denver
52h 52m
including layover
Find flight
from$348
12:20 — 20:04
+1 day
12:20 — 15:00 WS37 WestJet
Dublin — Toronto
17h 45m stop
08:45 — 10:16 PD2719 Porter Airlines
Toronto — Washington D.C.
7h 44m stop
18:00 — 20:04 F9689 Frontier Airlines
Washington D.C. — Denver
38h 44m
including layover
Find flight
from$359
13:15 — 11:27
+1 day
13:15 — 15:50 EI127 Aer Lingus
Dublin — Kitchener
3h 55m stop
19:45 — 21:57 WS569 WestJet
Kitchener — Calgary
10h 58m stop
08:55 — 11:27 WS1570 WestJet
Calgary — Denver
29h 12m
including layover
Find flight
from$390
13:15 — 04:00
+1 day
13:15 — 15:50 EI127 Aer Lingus
Dublin — Toronto
4h 15m stop
20:05 — 21:55 PD655 Porter Airlines
Toronto — Las Vegas
3h 4m stop
00:59 — 04:00 F91994 Frontier Airlines
Las Vegas — Denver
21h 45m
including layover
Find flight
from$408
14:15 — 18:52
+1 day
14:15 — 15:55 FI419 Icelandair
Dublin — Reykjavik
17h 40m stop
09:35 — 10:35 WS39 WestJet
Reykjavik — Calgary
5h 45m stop
16:20 — 18:52 WS1568 WestJet
Calgary — Denver
35h 37m
including layover
Find flight
from$400
15:40 — 01:15
+2 days
15:40 — 16:50 EI3326 Aer Lingus
Dublin — Manchester
21h 50m stop
14:40 — 17:15 EI45 Aer Lingus
Manchester — New York
5h 40m stop
22:55 — 01:15 F93161 Frontier Airlines
New York — Denver
40h 35m
including layover
Find flight
from$369
18:20 — 09:51
+2 days
18:20 — 21:05 EI528 Aer Lingus
Dublin — Paris
19h 35m stop
16:40 — 19:05 N0311 N0
Paris — Los Angeles
11h 10m stop
06:15 — 09:51 F93156 Frontier Airlines
Los Angeles — Denver
46h 31m
including layover
Find flight
from$450
19:10 — 01:15
+2 days
19:10 — 00:40 DN508 Senegal Airlines
Dublin — Bucharest
8h 50m stop
09:30 — 12:20 H4101 Heli Securite
Bucharest — New York
10h 35m stop
22:55 — 01:17 F93161 Frontier Airlines
New York — Denver
37h 5m
including layover
Find flight
from$396
19:35 — 08:21
+2 days
19:35 — 20:55 EI180 Aer Lingus
Dublin — London
13h 5m stop
10:00 — 14:20 Z0723 Z0
London — Miami
15h 40m stop
06:00 — 08:21 F91279 Frontier Airlines
Miami — Denver
43h 46m
including layover
Find flight
from$433
20:55 — 08:21
+2 days
20:10 — 21:30 BA823 British Airways
Dublin — London
11h 45m stop
10:00 — 14:20 Z0723 Z0
London — Miami
15h 40m stop
06:00 — 08:29 F91279 Frontier Airlines
Miami — Denver
42h 26m
including layover
Find flight
from$436
*Departure and arrival times - local. Updated on June 12, 2025

Flight Information

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

Distance between Dublin and Denver is 7049 miles. Time difference between the cities is 7h. Airplanes depart 05:30 to 23:55 from 1 Dublin airport and arrive 05:30 to 23:55 to 2 Denver airports. Average flight time is 9h 34m.

  • The fastest flight 9h 34m
  • Average flight time 9h 34m
  • The earliest flight 05:30
  • The latest flight 23:55
  • Distance 4381 ml

The cheapest months to travel to Denver are june (from 418 $), february (from 430 $), october (from 439 $).

The most expensive months are november (from 926 $), december (from 697 $), september (from 569 $).

What is the lowest airfare Dublin to Denver?

The cheapest plane ticket found by our users is $329. This airfare is for economy class on one-way WS59 flight by WestJet for October 7, 2025 which leaves Dublin in Dublin at 10:10 am and arrives at Denver Denver International at 10:14.

Economy class
$329
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Business class
?
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First class
?
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Popular Airlines on the Route

The flight Dublin — Denver is served by 28 regular airlines and 6 low-cost airlines. Most of the flights on this route are operated by Vueling - 17 departures per week at the price of from $ 485 . And the most expensive tickets are offered by British Airways airline - from $ 2295.

Direct flights

There are 1 nonstop flights on the route. The fastest direct flight is EI59 by Aer Lingus takes 9h 34m and the cheapest is WS59 by WestJet for $442.

  • EI - Aer Lingus
    from $442
    Find
See more direct flights

Connecting Flights

There are 692 flights with layovers on the route. The fastest connecting flight is FI419 by Icelandair takes 11h 40m and the cheapest is WS59 by WestJet for $329.

  • FI - Icelandair
    from $400
    Find
  • VY - Vueling
    from $485
    Find
  • DN - Senegal Airlines
    from $396
    Find
  • FR - Ryanair
    from $543
    Find
  • LX - SWISS International Air Lines
    from $563
    Find
  • UA - United Airlines
    from $1011
    Find
  • WF - Wideroe's Flyveselskap
    from $645
    Find
  • DY - Norwegian
    from $494
    Find
  • OG - Air Onix
    from $334
    Find
  • SK - SAS
    from $457
    Find
  • IB - Iberia
    from $579
    Find
  • WS - WestJet
    from $329
    Find
See more connecting flights

Airports

You can fly from Dublin to Denver from 1 airports (Dublin).

Dublin airports

  • Dublin-DUB
    from $329
    Find

Denver airports

  • Denver International-DEN
    Find
  • Arapahoe Co-APA
    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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