The cheapest times to fly from DEN to PSO are

  • January 8th to March 11th
  • April 9th to May 13th
  • October 8th to December 9th (except the week of November 19th)

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 PSO is late January and early February. Prices can be as high as $2325 for Friday flights during late December, or as low as $665 for Tuesday flights around late January and early February.


When to Fly to Pasto

Flying from Denver, CO (DEN) to Pasto (PSO) will usually cost between $697 to $1744 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late January and early February with an average ticket price of $674. Due to high demand the most expensive time to fly is late December, with an average price of $1968. Planning your trip to low-cost times can easily save you $1294 on economy flights and even more on first-class flights. Generally, any price below $978 can be considered a good price for a round-trip DEN to PSO flight.

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

DEN to PSO Flight Prices

Compared to other flights, the DEN to PSO flight is priced close to the average and costs about as much as the average flight leaving from Denver. The average price per mile (for a direct flight) is $0.19, which is below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to PSO, and Monday the cheapest day to fly back into DEN. Fridays 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 $190 (11%) 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 $1014. Return trip prices are from the PSO 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 PSO can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 6 hour 40 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 PSO while comparing.

Destination alternative #1: Old Mariscal Sucre International Airport (UIO) in Quito

  • 140 miles (225 km) away from PSO
  • Usually 39.16% less expensive than PSO
  • 1-layover flights available

See DEN to UIO flights


Flight Hacking DEN to PSO

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 PSO — but Champion Traveler does!

Hack #1: Bogota (DEN > BOG > PSO)

  • Price for both tickets: $856
  • Average savings: $122 (12.47%)

See DEN to BOG flights

Hack #2: Orlando, FL (DEN > MCO > PSO)

  • Price for both tickets: $924
  • Average savings: $54 (5.52%)

See DEN to MCO flights

Hack #3: San Francisco, CA (DEN > SFO > PSO)

  • Price for both tickets: $942
  • Average savings: $36 (3.68%)

See DEN to SFO flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 6 major airlines flying this route most often: American, Avianca, COPA, Delta, LATAM, United, and potentially more during busy seasons.

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

The distance between the two airports is roughly 3162 miles or 5089 kilometers.

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

The real-world flight time for a nonstop DEN to PSO flight is about 6 hour 40 minutes.

How many flights go between Denver, CO and Pasto?

It depends on the day of the week and the date, but a typical day might have around 10 available flights from DEN to PSO.


Airport Location Info


Departing Airport

Origination codeDEN
Origination airport nameDenver International Airport
CityDenver, CO
Countrythe United States

Return Airport

Destination codePSO
Destination airport namePasto Airport


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.