Cheap flights from Denver to San Diego (DEN - SAN) from $38

Departing on a Monday is a good option for securing a great price. You can expect to save up to 37% when planning your travel around this day of the week.

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 34 days in advance, which can save you up to 33% on flights from Denver to San Diego compared to booking the week you need them. Waiting 34 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $192. For sooner than that we have options available in the next 3 days from $306.

January is one of the best times of the year to fly to San Diego from Denver. Prices for January average $201 per person but you can even find prices for as low as $48. The most expensive prices can be found in the month of March. Opting for a January flight can save you 33% on your journey compared to booking in March

When flying from Denver to San Diego, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 18% versus a flight at noon.

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 24 daily flights to San Diego from 5 different airlines. 2h 17m is how long a flight from Denver to San Diego will take if you book a nonstop flight.

Yes, there are multiple flights from Denver 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 $81.

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 $117.

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

Nonstop flights can be found on the following days: Sunday, Monday, Tuesday, Thursday, Friday, Saturday.

Within the past month, 28 users have taken a look at flights from Denver Intl to San Diego.

Travelers can expect 9 flights from Denver to San Diego on average per day.
Morning (6am - Noon) - 67% of flight departures
Evening (6pm - Midnight) - 33% of flight departures

For as low as $38, Frontier can have you in San Diego from Denver in 2h 33m. The distance from Denver to San Diego is about 856 mi. All flights are typically nonstop.

According to our current data, Frontier ($38), offers the cheapest pricing from Denver to San Diego. Frontier is 81% cheaper than the average price of flights available within the next 90 days to this destination.

Before booking your flight from Denver to San Diego check out the most popular airlines for this route: American Airlines, Delta or Frontier.

The top 3 most reliable airlines when flying from Denver to San Diego are United Airlines (93%), Air Canada (92%) and Lufthansa (89%).

Looking for the cheapest flight from Denver to San Diego? While on average our users pay $393, our data indicates the cheapest price to be $36. The most popular route (Denver Intl - San Diego), is priced around $78.

This is defined as Denver Intl Airport (DEN) and San Diego Airport (SAN). Codes like San Diego Airport are often used to just call airports uniquely.

When you search for this flight from Denver to San Diego, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Denver to San Diego.

Yes, we can. To see specific flights from Denver to San Diego with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Of course! You can now track prices for flights from Denver to San Diego and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.