Direct flights from Denver to Guanacaste
All flights from DEN to LIR non-stop. There are direct flights from Denver International (DEN), Colorado, USA to Daniel Oduber Quiros International (LIR), Costa Rica with United Airlines and Southwest Airlines. 8 weekly departures are currently scheduled on this route. Departure times range from 08:30 to 10:09 depending on the schedule period. The flight distance is 2350 miles (3781 km). Flight time ranges from 5 hours to 5 hours and 11 minutes.
Flight schedule from Denver to Guanacaste with United Airlines
This is a weekly direct flight schedule for United Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.
Flight
The timetable & schedule information was updated at 2026-06-29
Flight schedule from Denver to Guanacaste with Southwest Airlines
This is a weekly direct flight schedule for Southwest Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.
Flight
The timetable & schedule information was updated at 2026-06-29
Denver to Guanacaste scheduled departures
Select a date to see every published non-stop departure between DEN and LIR.
DEN - LIR route facts
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Distance2350 miles (3781 km)
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Flight time5 hours to 5 hours and 11 minutes
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Airlines
United
Southwest -
Airline alliancesStar Alliance Low-cost carrier
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CabinsEconomy First
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Hub airportsUnited Airlines: DEN
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AircraftUnited Airlines: Boeing 737MAX 8 Passenger and Boeing 737MAX 9 PassengerSouthwest Airlines: Boeing 737MAX 8 Passenger
Route FAQ
Direct flights from Denver to Costa Rica
From Denver to San Jose
SJO Juan Santamaria International
