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

Flight FAQs

From Denver International to San Diego

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.

What safety measures are being taken by airlines flying from Denver Intl to San Diego to control the spread of COVID-19?

Airlines globally have implemented additional safety measures to accommodate you. Delta is one of them. Airline carriers are regularly disinfecting and sanitizing their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially distanced seating (for a limited time) will work towards keeping travelers safer while flying from Denver Intl to San Diego. Policies will vary by airline.

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.

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

Yes, there are multiple flights from Denver International to San Diego for under $100. The cheapest flight booked recently is on Frontier for just $38, but on average you can expect to pay $59.

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

Cheapflights has at least 20 direct flights from Denver International to San Diego under $100. A good price for a nonstop flight from Denver International to San Diego is less than $61.

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

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

How popular is this flight route?

Within the past month, 283 users have taken a look at flights from Denver Intl to San Diego.

Does it rain more in Denver or San Diego?

When traveling, we recommend packing in preparation to handle common weather conditions. The rainfall in Denver is typically less than San Diego. We can gather that this will continue over the next 5 days.

Is Denver weather warmer or cooler than San Diego?

Our data indicates that the weather will be 90 °F on average in the month of July. The temperature in San Diego is typically colder than in Denver. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.

How long is the flight from Denver International to San Diego?

A quick flight from Denver International to San Diego can take about 2h 22m. Frontier provides one of the quickest options available for as low as $45. Most flights are nonstop.

What is the cheapest airline to fly from Denver International to San Diego round-trip?

Frontier, at $38, was found to be the cheapest airline from Denver International to San Diego.. Frontier is priced at 78% lower than the current average price of a flight leaving 3 months from now.

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

The cheapest airlines for a one-way flight from Denver International to San Diego are Frontier ($19), Spirit Airlines ($37), and American Airlines ($66).