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Cheap flights from San Diego to Denver from US$51
Southwest Airlines, United Airlines, Alaska Airlines and Frontier Airlines fly nonstop from San Diego to Denver, about 102 flights a week. The flight takes around 2h 34m, and the cheapest one-way fare we found recently is US$51 on 9 Dec.
Direct flights available ~102 flights a week 2h 34m Cheapest in December Prices checked 14 days ago
San Diego to Denver at a glance
Cheapest one-wayUS$51Frontier Airlines · nonstop · Wed 9 DecFastest flight2h 34mFrontier Airlines · nonstop
Nonstop flights102/wkSouthwest Airlines, United Airlines, Alaska Airlines
Airlines flying nonstop from San Diego to Denver
4 airlines on this route, about 102 flights a week in total (observed over the last 4 weeks).
Cheapest dates from San Diego to Denver
The lowest one-way fares found recently, cheapest first. Prices change; click through for the live fare.
Good to know
- Distance
- 1,371 km851 miles
- Flight time
- 2h 34mfastest found
- Time difference
- +1hDenver vs San Diego
- Currency in Denver
- USD
- Airports
- SAN, CLD → DEN
Flights from San Diego to Denver: questions answered
How much is a flight from San Diego to Denver?
The cheapest one-way fare we found recently is US$51, nonstop, departing in December. Prices change constantly, so search your dates for the live fare.
Are there direct flights from San Diego to Denver?
Yes. Southwest Airlines, United Airlines, Alaska Airlines and Frontier Airlines fly this route nonstop, with about 102 flights a week in each direction.
How long is the flight from San Diego to Denver?
A nonstop flight covers 1,371 km and takes around 2h 34m.
Which airlines fly from San Diego to Denver?
Southwest Airlines, United Airlines, Alaska Airlines and Frontier Airlines operate nonstop flights on this route.
Which airports serve San Diego and Denver?
San Diego: San Diego International Airport (SAN) and McClellan-Palomar Airport (CLD). Denver: Denver International Airport (DEN).
What is the time difference between San Diego and Denver?
Denver is 1 hour ahead of San Diego.





