Cheap flights from Denver to San Diego (DEN - SAN)

Flight FAQs

From Denver to San Diego

What airports do I use to fly from Denver to San Diego?

San Diego is the airport most travelers will use when flying to San Diego from Denver Intl. Booking flights from Denver Intl (DEN) to San Diego (SAN) should be relatively easy as there are 18 daily flights to San Diego from 7 different airlines. 2h 22m is how long a flight from Denver to San Diego will take if you book a nonstop flight.

Which airlines flying from Denver Intl to San Diego have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like United Airlines, Frontier, and Spirit Airlines flying from Denver Intl to San Diego have implemented new flexible cancellation policies.

Are flight prices decreasing from Denver to San Diego due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Denver and San Diego for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from Denver to San Diego for under $100 on Cheapflights?

Yes, there are multiple flights from Denver to San Diego for under $100. The cheapest flight booked recently is on Frontier for just $60, but on average you can expect to pay $74.

Are there nonstop flights from Denver to San Diego for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from Denver to San Diego under $100. A good price for a nonstop flight from Denver to San Diego is less than $84.

Are there last-minute flights available from Denver to San Diego for under $100?

There are currently 20+ open flights from Denver to San Diego within the next 7 days for less than $100.

How popular is this Denver to San Diego flight route?

Flights from Denver Intl to San Diego have been viewed 283 times in the past calendar month.

What are the cheapest airlines flying from Denver to San Diego round-trip?

Frontier, at $60, was found to be the cheapest airline from Denver to San Diego. An alternate airline flying to your destination would be Spirit Airlines. Frontier is currently priced 66% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Denver to San Diego one-way?

The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $31. However, be on the lookout for offers from Frontier and United Airlines, as they are both options that can get you from Denver to San Diego for a low price.