$285 Cheap Flights from Dublin (DUB) to Denver (DEN)

View $285 flight on Wed, May 7, 2025Opens in a new window

Popular airlines from Dublin Airport (DUB) to Denver Intl. Airport (DEN)

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Find available prices by choosing your travel dates.

Cheap Flights from Dublin to Denver (DUB-DEN)

Prices were available within the past 7 days and start at $285 for one-way flights and $608 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Sat, May 17 - Mon, Jun 2
DUB
Dublin
DEN
Denver
$608 Roundtrip, found 4 hours ago
$608
Roundtrip
found 4 hours ago
Select Scandinavian Airlines flight, departing Sat, May 17 from Dublin to Denver, returning Mon, Jun 2, priced at $608 found 4 hours ago
Scandinavian Airlines
Mon, Apr 28 - Thu, May 8
DUB
Dublin
DEN
Denver
$639 Roundtrip, found 6 days ago
$639
Roundtrip
found 6 days ago
Select Scandinavian Airlines flight, departing Mon, Apr 28 from Dublin to Denver, returning Thu, May 8, priced at $639 found 6 days ago
Scandinavian Airlines
Sat, Sep 13 - Sun, Sep 21
DUB
Dublin
DEN
Denver
$648 Roundtrip, found 7 hours ago
$648
Roundtrip
found 7 hours ago
Select Scandinavian Airlines flight, departing Sat, Sep 13 from Dublin to Denver, returning Sun, Sep 21, priced at $648 found 7 hours ago
Icelandair
Thu, Sep 25 - Tue, Sep 30
DUB
Dublin
DEN
Denver
$695 Roundtrip, found 6 days ago
$695
Roundtrip
found 6 days ago
Select Icelandair flight, departing Thu, Sep 25 from Dublin to Denver, returning Tue, Sep 30, priced at $695 found 6 days ago
JetBlue Airways
Tue, Apr 29 - Wed, May 21
DUB
Dublin
DEN
Denver
$731 Roundtrip, found 22 hours ago
$731
Roundtrip
found 22 hours ago
Select JetBlue Airways flight, departing Tue, Apr 29 from Dublin to Denver, returning Wed, May 21, priced at $731 found 22 hours ago
Aer Lingus
Sat, Sep 6 - Sun, Sep 14
DUB
Dublin
DEN
Denver
$758 Roundtrip, found 10 hours ago
$758
Roundtrip
found 10 hours ago
Select Aer Lingus flight, departing Sat, Sep 6 from Dublin to Denver, returning Sun, Sep 14, priced at $758 found 10 hours ago
Lufthansa
Fri, Aug 29 - Sat, Sep 6
DUB
Dublin
DEN
Denver
$768 Roundtrip, found 6 days ago
$768
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Fri, Aug 29 from Dublin to Denver, returning Sat, Sep 6, priced at $768 found 6 days ago
United
Wed, Sep 3 - Thu, Sep 11
DUB
Dublin
DEN
Denver
$772 Roundtrip, found 5 days ago
$772
Roundtrip
found 5 days ago
Select United flight, departing Wed, Sep 3 from Dublin to Denver, returning Thu, Sep 11, priced at $772 found 5 days ago
Swiss International Air Lines
Sun, May 11 - Sun, May 25
DUB
Dublin
DEN
Denver
$774 Roundtrip, found 20 hours ago
$774
Roundtrip
found 20 hours ago
Select Swiss International Air Lines flight, departing Sun, May 11 from Dublin to Denver, returning Sun, May 25, priced at $774 found 20 hours ago
Air Canada
Fri, Aug 29 - Sat, Sep 13
DUB
Dublin
DEN
Denver
$783 Roundtrip, found 2 days ago
$783
Roundtrip
found 2 days ago
Select Air Canada flight, departing Fri, Aug 29 from Dublin to Denver, returning Sat, Sep 13, priced at $783 found 2 days ago

Frequently asked questions

How much does a flight from Dublin Airport (DUB) to Denver Intl. Airport (DEN) cost?
Cheap return flights from Dublin Airport (DUB) to Denver Intl. Airport (DEN) start at $762. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Aer Lingus flight leaving DUB on May 19 2025 and touching down at DEN. The price was last updated on April 23 2025 and has not changed since.
What is the cheapest month to fly from DUB to DEN?
The cheapest flights from DUB to DEN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from DUB to DEN?
With fares starting at $769 for a one-way journey from DUB to DEN, Aer Lingus is currently the cheapest airline operating this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from DUB on July 18 2025. Prices were last updated on April 23 2025 and have not changed since.
How many flights per day from Dublin Airport (DUB) to Denver Intl. Airport (DEN)?
Nonstop flights from Dublin Airport (DUB) to Denver Intl. Airport (DEN) aren’t available daily, so you’ll have to take a flight with a layover. Explore your options with Expedia’s filters. Enter your travel details and click on either “1 Stop” or “2+ Stops.”
What day of the week has the most flights from DUB to DEN?
You’ll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Dublin Airport (DUB) to Denver Intl. Airport (DEN)?
To reach Denver Intl. Airport (DEN) on schedule, book a flight that takes off from Dublin Airport (DUB) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Dublin Airport (DUB) to Denver Intl. Airport (DEN) last-minute?
Waiting until right before your break to book a ticket from DUB to DEN often results in higher prices. Although you may find some last-minute deals, there’s no guarantee. Be flexible with your itinerary to maximize your chances of scoring a bargain.
Is it cheaper to book a DUB to DEN flight and hotel package?
Securing a DUB to DEN flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Select from our impressive range of stays and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Dublin Airport (DUB) to Denver Intl. Airport (DEN)?
It’s usually possible to cancel or reschedule your DUB to DEN flight. However, if it’s been more than 24 hours since booking, additional charges may apply. Check your airline’s policies in your itinerary to see what changes are allowed and if any costs are involved. You’ll also find further details on our Customer Service portal.
*Available to One Key members.