£338 Cheap Flights from Dublin (DUB) to Denver (DEN)

View £338 flight on Thu, 21 Aug 2025Opens in a new window

Popular airlines from Dublin Airport (DUB) to Denver International Airport (DEN)

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

Prices were available within the past 7 days and start at £338 for one-way flights and £380 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Mon, 8 Sep - Mon, 22 Sep
DUB
Dublin
DEN
Denver
£380 Return, found 3 hours ago
£380
Return
found 3 hours ago
Select Aer Lingus flight, departing Mon, 8 Sep from Dublin to Denver, returning Mon, 22 Sep, priced at £380 found 3 hours ago
Icelandair
Fri, 19 Sep - Tue, 30 Sep
DUB
Dublin
DEN
Denver
£400 Return, found 5 days ago
£400
Return
found 5 days ago
Select Icelandair flight, departing Fri, 19 Sep from Dublin to Denver, returning Tue, 30 Sep, priced at £400 found 5 days ago
Icelandair
Mon, 13 Oct - Wed, 22 Oct
DUB
Dublin
DEN
Denver
£405 Return, found 4 days ago
£405
Return
found 4 days ago
Select Icelandair flight, departing Mon, 13 Oct from Dublin to Denver, returning Wed, 22 Oct, priced at £405 found 4 days ago
Icelandair
Sun, 31 Aug - Sun, 7 Sep
DUB
Dublin
DEN
Denver
£407 Return, found 21 hours ago
£407
Return
found 21 hours ago
Select Icelandair flight, departing Sun, 31 Aug from Dublin to Denver, returning Sun, 7 Sep, priced at £407 found 21 hours ago
Icelandair
Mon, 22 Sep - Tue, 30 Sep
DUB
Dublin
DEN
Denver
£414 Return, found 3 days ago
£414
Return
found 3 days ago
Select Icelandair flight, departing Mon, 22 Sep from Dublin to Denver, returning Tue, 30 Sep, priced at £414 found 3 days ago
American Airlines
Wed, 17 Sep - Wed, 24 Sep
DUB
Dublin
DEN
Denver
£447 Return, found 6 days ago
£447
Return
found 6 days ago
Select American Airlines flight, departing Wed, 17 Sep from Dublin to Denver, returning Wed, 24 Sep, priced at £447 found 6 days ago
JetBlue Airways
Wed, 20 Aug - Sat, 30 Aug
DUB
Dublin
DEN
Denver
£461 Return, found 1 day ago
£461
Return
found 1 day ago
Select JetBlue Airways flight, departing Wed, 20 Aug from Dublin to Denver, returning Sat, 30 Aug, priced at £461 found 1 day ago
Iberia
Fri, 12 Sep - Fri, 26 Sep
DUB
Dublin
DEN
Denver
£461 Return, found 2 hours ago
£461
Return
found 2 hours ago
Select Iberia flight, departing Fri, 12 Sep from Dublin to Denver, returning Fri, 26 Sep, priced at £461 found 2 hours ago
Finnair
Wed, 10 Sep - Mon, 22 Sep
DUB
Dublin
DEN
Denver
£505 Return, found 3 days ago
£505
Return
found 3 days ago
Select Finnair flight, departing Wed, 10 Sep from Dublin to Denver, returning Mon, 22 Sep, priced at £505 found 3 days ago
British Airways
Mon, 8 Sep - Mon, 15 Sep
DUB
Dublin
DEN
Denver
£560 Return, found 6 hours ago
£560
Return
found 6 hours ago
Select British Airways flight, departing Mon, 8 Sep from Dublin to Denver, returning Mon, 15 Sep, priced at £560 found 6 hours ago

Find the cheapest month to fly from Dublin (DUB) to Denver (DEN)

May is typically the cheapest month to fly

From £321 - £693 per traveller.

Graph displaying average flight prices per month

Flight from Dublin to Denver route information
Origin airport
Dublin
Destination airport
Denver Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Swiss International Air Lines, Turkish Airlines, United, WestJet
Return price
£380
Distance
7010 km
Average flight time
9 hours 34 mins

Compare flights from Dublin to Denver easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Dublin to Denver. Operating between them 3 flights per day, 20 airlines cover the route. And American Airlines, Aer Lingus, Iberia fly direct, getting you to Denver Intl. in just 9hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Dublin to Denver Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Dublin (DUB) to Denver Intl. (DEN)

The easiest way to view the best deals on flights from Dublin to Denver today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Dublin to Denver Intl. start at just £380 and range up to £560.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Dublin and Denver
  • booking your flight during September, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Dublin to Denver flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Dublin to Denver Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from Dublin Airport (DUB) to Denver Airport?
If you're travelling from Dublin Airport (DUB) to DIA airport, round-trip flights start from £380. This price is based on fares quoted within the last 7 days on Expedia for flights departing within the next year, so don't delay. Book today and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from DUB to Denver Airport?
We get that things come up unexpectedly, so we've made it as simple as possible for you to cancel your flight online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from Dublin Airport (DUB) to DIA airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for DUB to DEN flights, you'll see a "no change fees" filter for you to select.
How far is the flight from DUB to Denver Intl. Airport (DEN)?
The distance is around 7,100 kilometres, so pack your carry-on luggage with all the items you need to make the long journey comfortable. Not sure what to take on board your Corballis to Denver flight? Earplugs, a sleep mask and a travel pillow are among the essentials.
Which airlines fly direct from Dublin Airport (DUB) to Denver Airport?
There are no direct flights, so you'll have to make at least one stop between Dublin Airport and Denver Airport. Make the most of the layover time to stretch your legs and grab a coffee.
Are DUB to Denver Airport flight tickets cheaper when they're purchased at the last minute?
Booking last minute from Dublin Airport (DUB) to Denver Intl. Airport (DEN) can be hit-or-miss. You may be able to score a great bargain, but you could also completely miss out! If you'd prefer to play it safe and start planning your trip early on, Expedia compares flight deals up to 12 months in advance. Just bear in mind that not all airlines issue their prices so far in advance. Our advice? Check back often as prices are updated regularly.

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