Direct (nonstop) flights from Guanacaste to Denver
2 airlines fly nonstop from Daniel Oduber Quiros International (LIR) to Denver International (DEN). It's 2,331 miles (3,752 km), about 5h 30m in the air. Operated by United Airlines, Southwest Airlines.
United Airlines
Southwest Airlines
Route data last updated: May 27, 2026
Airlines with non-stop flights
UA
United Airlines
WN
Southwest Airlines
Alternative Routes
Other ways to fly from Guanacaste to Denver with one stop · direct emits 394 kg CO₂ per passenger
Looking for the return flight?
DEN → LIR: Flights from Denver to GuanacasteOther direct flights from Guanacaste
Direct flights from Denver (DEN)
Frequently Asked Questions
How long is the direct flight from Guanacaste to Denver?
A nonstop flight from Guanacaste (LIR) to Denver (DEN) takes approximately 5 hours and 30 minutes. The distance is 2,331 miles (3,752 km).
Which airlines fly nonstop from Guanacaste to Denver?
2 airlines: United Airlines, Southwest Airlines.
Is there a nonstop flight from Guanacaste to Denver?
Yes. 2 airlines: United Airlines, Southwest Airlines.
How far is Guanacaste from Denver?
The flight distance from Guanacaste to Denver is 2,331 miles (3,752 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Los Angeles.
What type of aircraft flies from Guanacaste to Denver?
At 5h 30m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.
Do I need a visa to travel from Costa Rica to USA?
Depends on your passport. Check with the USA embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from Guanacaste to Denver?
Roughly 394 kg CO2 per passenger one-way. That's about the same as driving 1,970 km.
Is the return flight from Denver to Guanacaste also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Guanacaste to Denver?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Daniel Oduber Quiros International for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.