The cheapest times to fly from DEN to CAG are

  • January 1st to March 18th
  • April 16th to May 13th
  • August 13th to August 26th
  • September 10th to September 23rd

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from DEN to CAG is mid January. Prices can be as high as $3618 for Friday flights during mid December, or as low as $1174 for Monday flights around mid January.


When to Fly to Cagliari

Flying from Denver, CO (DEN) to Cagliari (CAG) will usually cost between $1216 to $2245 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid January with an average ticket price of $1271. Due to high demand the most expensive time to fly is mid December, with an average price of $2248. Planning your trip to low-cost times can easily save you $977 on economy flights and even more on first-class flights. Generally, any price below $1653 can be considered a good price for a round-trip DEN to CAG flight.

See below for a graph of average weekly prices for the DEN to CAG route. All prices are for round-trip tickets in USD.

DEN to CAG Flight Prices

Compared to other flights, the DEN to CAG flight is more expensive than the average and costs more than the average flight leaving from Denver. The average price per mile (for a direct flight) is $0.18, which is below average.


Flight Prices by Day of the Week

Monday is usually the cheapest day to depart and return on this flight. Fridays are the most expensive days to fly to Cagliari, and Thursdays are the most expensive days to return to Denver. Selecting flights on the least expensive days could save you up to $250 (14%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Monday and returning a week later will cost an average of $1541. Return trip prices are from the CAG to DEN flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from DEN to CAG can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 10 hour 59 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from DEN to CAG while comparing.

Destination alternative #1: Olbia Costa Smeralda Airport (OLB) in Olbia

  • 116 miles (187 km) away from CAG
  • Usually 2.39% less expensive than CAG
  • 1-layover flights available

See DEN to OLB flights


Flight Hacking DEN to CAG

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from DEN to CAG — but Champion Traveler does!

Hack #1: Paris (DEN > CDG > CAG)

  • Price for both tickets: $837
  • Average savings: $816 (49.36%)

See DEN to CDG flights

Hack #2: Luxembourg (DEN > LUX > CAG)

  • Price for both tickets: $844
  • Average savings: $809 (48.94%)

See DEN to LUX flights

Hack #3: London (DEN > LGW > CAG)

  • Price for both tickets: $869
  • Average savings: $784 (47.43%)

See DEN to LGW flights


Flight Questions Answered

Still have questions about flying from DEN to CAG? We’ve got answers.

Which airlines fly this route?

You can find 14 major airlines flying this route most often: Air Canada, Air France, Alitalia, American, Austrian, British Airways, Delta, Eurowings, Iberia, KLM, Lufthansa, SWISS, Tap Air Portugal, United, and potentially more during busy seasons.

How far away is it from Elmas Airport to Denver International Airport?

The distance between the two airports is roughly 5556 miles or 8941 kilometers.

How long does it take to fly from DEN to CAG?

The real-world flight time for a nonstop DEN to CAG flight is about 10 hour 59 minutes.

How many flights go between Denver, CO and Cagliari?

It depends on the day of the week and the date, but a typical day might have around 13 available flights from DEN to CAG.


Airport Location Info


Departing Airport

Origination code DEN
Origination airport name Denver International Airport
City Denver, CO
Country the United States
Latitude 39.9
Longitude -104.7

Return Airport

Destination code CAG
Destination airport name Elmas Airport
City Cagliari
Country Italy
Latitude 39.3
Longitude 9.1


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.