Cheap flights from Denver to San Diego
Fares from $26 in February 2027. Compare every month below, then book with the site you like.
Search Denver → San Diego flightsCheapest Denver to San Diego fares by month
Lowest price per person found in recent searches. Prices change often and are checked when you book.
- November 2026Nov 26 · one way · Frontier · Direct$43See deal
- February 2027Feb 1 · one way · Frontier · Direct$26See deal
Denver to San Diego at a glance
- Distance852 miles
- Nonstop flight timeabout 2h 30m
- Cheapest monthFebruary 2027
- Airport codesDEN → SAN
Plan your San Diego trip
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Frequently asked questions
- How much is a flight from Denver to San Diego?
- The cheapest fare we found recently is $26 per person, departing Feb 1 on Frontier. Prices change daily, so search your dates to see today's fares.
- What is the cheapest month to fly from Denver to San Diego?
- February 2027 is currently the cheapest month, from $26. November 2026 is the most expensive, from $43.
- Are there direct flights from Denver to San Diego?
- Yes. Recent searches found nonstop fares from $26.
- Which airlines fly from Denver to San Diego?
- The cheapest recent fares on this route were on Frontier.
- How long is the flight from Denver to San Diego?
- Denver and San Diego are about 852 miles apart, so a nonstop flight takes roughly 2h 30m. Flights with a stop take longer, depending on the connection.
- How do I find the cheapest flight from Denver to San Diego?
- Search your dates on Gotoesy. We list fares from several booking sites sorted cheapest first, show nearby dates when your day has no saved fare, and send you straight to the seller to book.
More flights from Denver
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