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

Book your plane tickets from San Diego to Denver with ease

Cheapest flights to Denver

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

Flying from San Diego to Denver: things to know

The most popular route is from San Diego International Airport in San Diego to Denver International Airport in Denver. On average this flight takes 2 hours 40 minutes one-way and costs $378 round-trip.

Most popular route
San Diego International Airport (SAN) to Denver International Airport (DEN)
Average flight time
2 hours 40 minutes
Average round-trip price
$378
Fly from San Diego to Denver
7 airlines

Reasons to book flights with Booking.com

  • Great selection

    Easily compare flights, airlines, and prices – all in one place

  • No hidden fees

    Always know exactly what you’re paying for

  • Flexibility

    Use our flexible plane ticket option to change your dates if needed

Flexible plane ticket options are available for an additional cost on select airfares

Airlines that fly from San Diego to Denver

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

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

Frequently asked questions

Fly to more destinations from San Diego

Research, refine, and make plans for your whole trip

Hotels in Denver

Thinking about which towns and cities to visit during your trip? Try Denver, a popular choice with other visitors.

Flights to Denver International Airport

Jet into this airport to explore Denver at your leisure.

All flights

Fly to your next dream destination.

Flights to Colorado

Getting to Colorado just got easier!
gogless