Direct flights from San Diego to Denver
All flights from SAN to DEN non-stop. There are direct flights from San Diego International Airport (SAN), California, USA to Denver International (DEN), Colorado, USA with Southwest Airlines, United Airlines and 2 other airlines. 124 weekly departures are currently scheduled on this route. Departure times range from 06:15 to 21:45 depending on the schedule period. The flight distance is 856 miles (1377 km). Flight time ranges from 2 hours and 13 minutes to 2 hours and 40 minutes.
San Diego
, USA
Airlines with non-stop routes:
Southwest Airlines
United Airlines
Alaska Airlines
Frontier Airlines
Flight schedule from San Diego to Denver 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 2026-08-17
Flight schedule from San Diego to Denver 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 2026-08-17
Flight schedule from San Diego to Denver with Alaska Airlines
This is a weekly direct flight schedule for Alaska 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 2026-08-17
Flight schedule from San Diego to Denver with Frontier Airlines
This is a weekly direct flight schedule for Frontier 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 2026-08-17
San Diego to Denver scheduled departures
Select a date to see every published non-stop departure between SAN and DEN.
SAN - DEN route facts
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Distance856 miles (1377 km)
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Flight time2 hours and 13 minutes to 2 hours and 40 minutes
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Airlines Southwest United Alaska Airlines Frontier
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Airline alliancesLow-cost carrier Star Alliance oneworld
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CabinsEconomy Premium Economy Business First
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Hub airportsUnited Airlines: DEN
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Departure terminalsSouthwest Airlines: Terminal 1United Airlines: Terminal 2Alaska Airlines: Terminal 2Frontier Airlines: Terminal 1
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AircraftSouthwest Airlines: Boeing 737MAX 8 Passenger, Boeing 737-700 Passenger (Scimitar Winglets) and Boeing 737-800 (winglets) Passenger/BBJ2United Airlines: Airbus A321neo, Boeing 737-900 Passenger, Boeing 737-800 Passenger, Boeing 737MAX 9 Passenger and Boeing 757-200 PassengerAlaska Airlines: Boeing 737MAX 9 Passenger, Boeing 737-900 (winglets) Passenger/BBJ3, Boeing 737-800 (winglets) Passenger/BBJ2, Embraer 175 and Boeing 737MAX 8 PassengerFrontier Airlines: Airbus A320neo, Airbus A321, Airbus A321neo and Airbus A320
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