The cheapest times to fly from MTJ to SJO are

  • January 8th to February 11th
  • June 4th to June 17th
  • August 6th to November 18th

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 MTJ to SJO is late September. Prices can be as high as $1473 for Sunday flights during early August, or as low as $513 for Tuesday flights around late September.


When to Fly to San José

Flying from Montrose/Delta, CO (MTJ) to San Jose (SJO) will usually cost between $523 to $1028 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 $532. Due to high demand the most expensive time to fly is early August, with an average price of $1201. Planning your trip to low-cost times can easily save you $669 on economy flights and even more on first-class flights. Generally, any price below $686 can be considered a good price for a round-trip MTJ to SJO flight.

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

MTJ to SJO Flight Prices

Compared to other flights, the MTJ to SJO flight is cheaper than the average and costs less than the average flight leaving from Montrose. The average price per mile (for a direct flight) is $0.17, which is below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Sundays 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 $117 (14%) 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 $657. Return trip prices are from the SJO to MTJ 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 MTJ to SJO can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 5 hour 24 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 MTJ to SJO while comparing.

Destination alternative #1: Daniel Oduber International Airport (LIR) in Liberia

  • 100 miles (161 km) away from SJO
  • Usually 4.60% less expensive than SJO
  • 1-layover flights available

See MTJ to LIR flights


Flight Questions Answered

Still have questions about flying from MTJ to SJO? We’ve got answers.

Which airlines fly this route?

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

How far away is it from Juan Santamaria International Airport to Montrose Regional Airport?

The distance between the two airports is roughly 2455 miles or 3951 kilometers.

How long does it take to fly from MTJ to SJO?

The real-world flight time for a nonstop MTJ to SJO flight is about 5 hour 24 minutes.

How many flights go between Montrose/Delta, CO and San Jose?

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


Airport Location Info


Departing Airport

Origination code MTJ
Origination airport name Montrose Regional Airport
City Montrose/Delta, CO
Country the United States
Latitude 38.5
Longitude -107.9

Return Airport

Destination code SJO
Destination airport name Juan Santamaria International Airport
City San Jose
Country Costa Rica
Latitude 10
Longitude -84.2


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.