United flights to Denver

The best United flight deals to Denver

Looking for a cheap last-minute deal or the best return flight to Denver? If you want to travel to Denver next month, return fares with United start from 933 €. Find the lowest prices on one-way and return tickets right here.

Denver.775 € per passenger.Departing Fri, 20 Nov, returning Wed, 25 Nov.Return flight with United.Outbound indirect flight with United, departs from Dublin on Fri, 20 Nov, arriving in Denver International.Inbound indirect flight with United, departs from Denver International on Wed, 25 Nov, arriving in Dublin.Price includes taxes and charges.From 775 €, select.

Denver.775 € per passenger.Departing Sat, 28 Nov, returning Thu, 3 Dec.Return flight with United.Outbound indirect flight with United, departs from Dublin on Sat, 28 Nov, arriving in Denver International.Inbound indirect flight with United, departs from Denver International on Thu, 3 Dec, arriving in Dublin.Price includes taxes and charges.From 775 €, select.

Denver.775 € per passenger.Departing Fri, 4 Dec, returning Mon, 7 Dec.Return flight with United.Outbound indirect flight with United, departs from Dublin on Fri, 4 Dec, arriving in Denver International.Inbound indirect flight with United, departs from Denver International on Mon, 7 Dec, arriving in Dublin.Price includes taxes and charges.From 775 €, select.

Denver.775 € per passenger.Departing Sun, 24 Jan, returning Sun, 21 Feb.Return flight with United.Outbound indirect flight with United, departs from Dublin on Sun, 24 Jan, arriving in Denver International.Inbound indirect flight with United, departs from Denver International on Sun, 21 Feb, arriving in Dublin.Price includes taxes and charges.From 775 €, select.

Denver.775 € per passenger.Departing Fri, 19 Feb, returning Sat, 27 Feb.Return flight with United.Outbound indirect flight with United, departs from Dublin on Fri, 19 Feb, arriving in Denver International.Inbound indirect flight with United, departs from Denver International on Sat, 27 Feb, arriving in Dublin.Price includes taxes and charges.From 775 €, select.

Denver.785 € per passenger.Departing Tue, 19 Jan, returning Tue, 26 Jan.Return flight with United.Outbound indirect flight with United, departs from Dublin on Tue, 19 Jan, arriving in Denver International.Inbound indirect flight with United, departs from Denver International on Tue, 26 Jan, arriving in Dublin.Price includes taxes and charges.From 785 €, select.

Denver.797 € per passenger.Departing Fri, 23 Oct, returning Sun, 1 Nov.Return flight with United.Outbound indirect flight with United, departs from Dublin on Fri, 23 Oct, arriving in Denver International.Inbound indirect flight with United, departs from Denver International on Sun, 1 Nov, arriving in Dublin.Price includes taxes and charges.From 797 €, select.

Denver.800 € per passenger.Departing Mon, 15 Mar, returning Sun, 28 Mar.Return flight with United.Outbound indirect flight with United, departs from Dublin on Mon, 15 Mar, arriving in Denver International.Inbound indirect flight with United, departs from Denver International on Sun, 28 Mar, arriving in Dublin.Price includes taxes and charges.From 800 €, select.

Denver.808 € per passenger.Departing Thu, 17 Dec, returning Thu, 21 Jan.Return flight with United.Outbound indirect flight with United, departs from Dublin on Thu, 17 Dec, arriving in Denver International.Inbound indirect flight with United, departs from Denver International on Thu, 21 Jan, arriving in Dublin.Price includes taxes and charges.From 808 €, select.

Denver.819 € per passenger.Departing Sat, 17 Oct, returning Wed, 28 Oct.Return flight with United.Outbound indirect flight with United, departs from Dublin on Sat, 17 Oct, arriving in Denver International.Inbound indirect flight with United, departs from Denver International on Wed, 28 Oct, arriving in Dublin.Price includes taxes and charges.From 819 €, select.

Denver.819 € per passenger.Departing Wed, 23 Sep, returning Tue, 29 Sep.Return flight with United.Outbound indirect flight with United, departs from Dublin on Wed, 23 Sep, arriving in Denver International.Inbound indirect flight with United, departs from Denver International on Tue, 29 Sep, arriving in Dublin.Price includes taxes and charges.From 819 €, select.

Denver.821 € per passenger.Departing Sun, 30 Aug, returning Mon, 7 Sep.Return flight with United.Outbound indirect flight with United, departs from Dublin on Sun, 30 Aug, arriving in Denver International.Inbound indirect flight with United, departs from Denver International on Mon, 7 Sep, arriving in Dublin.Price includes taxes and charges.From 821 €, select.

Denver.822 € per passenger.Departing Wed, 26 Aug, returning Sun, 30 Aug.Return flight with United.Outbound indirect flight with United, departs from Dublin on Wed, 26 Aug, arriving in Denver International.Inbound indirect flight with United, departs from Denver International on Sun, 30 Aug, arriving in Dublin.Price includes taxes and charges.From 822 €, select.

Denver.822 € per passenger.Departing Wed, 30 Sep, returning Mon, 5 Oct.Return flight with United.Outbound indirect flight with United, departs from Dublin on Wed, 30 Sep, arriving in Denver International.Inbound indirect flight with United, departs from Denver International on Mon, 5 Oct, arriving in Dublin.Price includes taxes and charges.From 822 €, select.

Denver.825 € per passenger.Departing Fri, 19 Mar, returning Fri, 2 Apr.Return flight with United.Outbound indirect flight with United, departs from Dublin on Fri, 19 Mar, arriving in Denver International.Inbound indirect flight with United, departs from Denver International on Fri, 2 Apr, arriving in Dublin.Price includes taxes and charges.From 825 €, select.

Denver.825 € per passenger.Departing Wed, 6 Jan, returning Tue, 30 Mar.Return flight with United.Outbound indirect flight with United, departs from Dublin on Wed, 6 Jan, arriving in Denver International.Inbound indirect flight with United, departs from Denver International on Tue, 30 Mar, arriving in Dublin.Price includes taxes and charges.From 825 €, select.

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Find the cheapest time to fly to Denver with United

Flexible on travel dates? Here's when fares are lowest.

Jun

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May

Find which Denver airports United flies to

Compare routes to Denver below. You may find an airport to fly into that's cheaper, faster, or easier.

Flying to Denver with United

The things to know before you go.

Cheapest flight found	775 €
Cheapest month to fly	June

How to find cheap flights to Denver with United

Looking for cheap flight tickets to Denver? Here are a few tips on how to find the best price.

Simply hit 'search'

We've compared every online travel agent and flight provider out there to find the cheapest United flight tickets to Denver. And with us, there are no added fees – what you see is what you pay.

Fly from Dublin

At the moment, the best route to Denver with United is from Dublin to Denver.

Fly in November

The cheapest time to go to Denver with United is currently November.

Flex your dates for the best rates

If you're flexible on your departure dates, use Skyscanner's whole month tool to find the cheapest month, and even day to get flights to Denver with United.

Set up a Price Alert

We'll let you know when the price of your flight to Denver goes up or down so you can book when the time is just right. You're even able to watch specific United flights.

Book your United flight to Denver with extra peace of mind

Find flexible United flights to Denver

United might offer amendable tickets to Denver, which means you won't lose out if your booking has to be changed or cancelled.

Add travel cost protection

Make sure you have the right travel insurance before flying to Denver. That way you can cover the costs of any unexpected events, such as delays or lost luggage.

Reduce your carbon footprint

To check whether there are any lower emissions flights available on your route, simply check the “only show flights with lower CO₂ emissions” box when you search for a flight with us.

Flying to Denver with United: FAQs

How long is the flight to Denver with United?

The average United flight time from Ireland to Denver is 9 hours and 45 minutes.

Which other airlines can I fly to Denver with?

At the moment, Aer Lingus, British Airways, American Airlines and Iberia all fly to Denver too.

Is there anywhere else I could fly to with United?

United currently also flies to Chicago O'Hare International, Houston George Bush Intercntl. and San Francisco International.

What's the cheapest month to fly to Denver with United?

Although it's difficult to get an accurate idea of when United flights to Denver are cheapest, the lowest fares are currently for departures in November.