Direct Flights from DEN to SAN: From the Rockies to the Pacific
Cheapest flight found
$63
Last updated Mar 13, 2026
Prices by Month
Price History
Tracking the May 7, 2026 departure — the cheapest date we found.
Price Behavior: DEN → SAN
Based on 6 months of fare data collected by Trip Manta.
Lowest Fare
$63
Highest Fare
$159
Median Fare
$133
Price Spread
$96
Prices vary significantly — hourly tracking is especially valuable here.
Cheapest month to fly: May 2026 (from $63)
Most expensive month: September 2026 (from $159)
Biggest price drop caught: $60 between consecutive checks
Most frequent cheapest airline: Frontier
What This Means for You
Flights from Denver to San Diego range from $63 to $159, a $96 spread across the months we track. If your dates are flexible, May 2026 tends to have the lowest fares. Because prices on this route change significantly, setting up hourly price alerts gives you the best chance of catching a short-lived drop before it corrects. We have caught drops as large as $60 between hourly checks on this route.
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From
Denver (DEN)
To
San Diego (SAN)
Airport Information
Denver (DEN)
Denver International Airport (DEN) is the primary gateway to the Rocky Mountains and stands as one of the largest airports in the world by land area. Known for its iconic white peaked roof resembling the mountains, it serves as a major hub for United Airlines and Frontier Airlines, as well as a large operating base for Southwest. The airport offers a vast array of dining options, local craft beer bars, and unique art installations for travelers to enjoy.
San Diego (SAN)
San Diego International Airport (SAN) is unique for its incredibly central location, situated just three miles northwest of downtown San Diego. Often referred to as Lindbergh Field, it is the busiest single-runway commercial service airport in the United States. Upon arrival, passengers are greeted by a modern, efficient facility with easy access to the city center, and the airport’s proximity to the harbor provides passengers with spectacular views of the Pacific Ocean immediately after landing.
Frequently Asked Questions
How long is the flight from DEN to SAN?
A direct flight typically takes approximately 2 hours and 30 minutes to 2 hours and 50 minutes, covering a distance of about 850 miles.
Which airlines fly non-stop from Denver to San Diego?
Major carriers including United Airlines, Southwest Airlines, and Frontier Airlines offer frequent non-stop service between these two major cities.
Is there a time difference between Denver and San Diego?
Yes, Denver is in the Mountain Time Zone, while San Diego is in the Pacific Time Zone, meaning San Diego is one hour behind Denver.
What is the best way to get from SAN to downtown San Diego?
The most convenient options include the Flyer Express bus, which connects to the Santa Fe Depot, or a quick 10-to-15 minute rideshare or taxi ride due to the airport's central location.
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