Direct flights from San Diego to Denver SAN → DEN
Alaska Airlines, Frontier Airlines and Southwest Airlines operate nonstop flights from San Diego (SAN) to Denver (DEN). The nonstop flight takes around ~1h 43m, covering 852 miles (1,371 km) and operates multiple daily. Updated 28 June 2026.
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Alaska Airlines
AS
Frontier Airlines
F9
Southwest Airlines
WN
Departure Schedule next 7 days
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Frequently asked questions
Is there a direct flight from San Diego to Denver?
Yes, Alaska Airlines, Frontier Airlines and 1 more airline operate nonstop flights from San Diego (SAN) to Denver (DEN).
Which airlines fly direct from San Diego to Denver?
Alaska Airlines, Frontier Airlines, Southwest Airlines operate nonstop flights from San Diego to Denver.
How long is the flight from San Diego to Denver?
The nonstop flight from San Diego to Denver takes ~1h 43m (approximately 1371 km).
How often do direct flights operate from San Diego to Denver?
Nonstop flights from San Diego to Denver operate multiple daily.