The cheapest times to fly from AAL to DEN are

  • January 8th to March 4th
  • March 19th to April 1st
  • April 16th to May 6th
  • August 20th to October 21st (except the week of October 8th)

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 AAL to DEN is late September. Prices can be as high as $1354 for Saturday flights during late July, or as low as $673 for Tuesday flights around late September.


When to Fly to Denver

Flying from Aalborg (AAL) to Denver, CO (DEN) will usually cost between $677 to $1062 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late September with an average ticket price of $691. Due to high demand the most expensive time to fly is late July, with an average price of $1149. Planning your trip to low-cost times can easily save you $458 on economy flights and even more on first-class flights. Generally, any price below $730 can be considered a good price for a round-trip AAL to DEN flight.

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

AAL to DEN Flight Prices

Compared to other flights, the AAL to DEN flight is cheaper than the average and costs slightly more than the average flight leaving from Aalborg. The average price per mile (for a direct flight) is $0.1, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to DEN, and Monday the cheapest day to fly back into AAL. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $171 (17%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $732. Return trip prices are from the DEN to AAL 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 AAL to DEN can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 9 hour 31 minutes may not be realistic.


Flight Hacking AAL to DEN

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 AAL to DEN — but Champion Traveler does!

Hack #1: Amsterdam (AAL > AMS > DEN)

  • Price for both tickets: $689
  • Average savings: $41 (5.55%)

See AAL to JFK flights

Hack #2: New York, NY (AAL > JFK > DEN)

  • Price for both tickets: $697
  • Average savings: $33 (4.46%)

See AAL to AMS flights

Hack #3: New York, NY (AAL > LGA > DEN)

  • Price for both tickets: $698
  • Average savings: $32 (4.39%)

See AAL to LGA flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 12 major airlines flying this route most often: Air Canada, Air France, Alitalia, American, Austrian, Brussels Airlines, Delta, Icelandair, KLM, Lufthansa, SAS, United, and potentially more during busy seasons.

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

The distance between the two airports is roughly 4738 miles or 7625 kilometers.

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

The real-world flight time for a nonstop AAL to DEN flight is about 9 hour 31 minutes.

How many flights go between Aalborg and Denver, CO?

It depends on the day of the week and the date, but a typical day might have around 17 available flights from AAL to DEN.


Airport Location Info


Departing Airport

Origination code AAL
Origination airport name Aalborg Airport
City Aalborg
Country Denmark
Latitude 57.1
Longitude 9.8

Return Airport

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


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.