Search flights from Denver (DEN) to San Diego (SAN)

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Cheapest flights to San Diego

The cheapest flights available in the next 60 days – prices are updated regularly

Flying from Denver to San Diego: things to know

The most popular route is from Denver International Airport in Denver to San Diego International Airport in San Diego. On average this flight takes 2 hours 39 minutes one way and costs US$369 for the round trip.

Most popular route
Denver International Airport (DEN) to San Diego International Airport (SAN)
Average flight time
2 hours 39 minutes
Average round-trip price
US$369
Fly from Denver to San Diego
7 airlines

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Airlines that fly from Denver to San Diego

Airline options may vary according to recently booked flights and your search terms

  • Frontier Airlines
  • United Airlines
  • Alaska Airlines
  • American Airlines
  • Spirit Airlines
  • Southwest Airlines
  • Hawaiian Airlines

Frequently asked questions

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Flights to California

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Flights to San Diego County

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Hotels in San Diego

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Flights to San Diego International Airport

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Flights to McClellan-Palomar Airport

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