Cheap flights from Denver to San Antonio (DEN - SAT) from $40

It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

Find a great deal and save up to 36% by booking at least 50 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Denver to San Antonio within the next two weeks, with the cheapest ticket starting at $254.

January can be a great time to fly to San Antonio from Denver with a flight ticket averaging about $252. Cheapflights users have found deals in the month of January for as cheap as $79. The most expensive prices can be found in the month of July.

It’s optimal to fly from Denver to San Antonio in the afternoon. By choosing this option you can save up to 44% on the cost of your flight, compared to a flight at noon.

San Antonio is the airport most travelers will use when flying to San Antonio from Denver Intl. Booking flights from Denver Intl (DEN) to San Antonio (SAT) should be relatively easy as there are 12 daily flights to San Antonio from 4 different airlines. 2h 03m is how long a flight from Denver to San Antonio will take if you book a nonstop flight.

Yes, there are multiple flights from Denver to San Antonio for under $100. The cheapest flight booked recently is on Frontier for just $40, but on average you can expect to pay $93.

Cheapflights has at least 20 direct flights from Denver to San Antonio under $100. A good price for a nonstop flight from Denver to San Antonio is less than $107.

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

Days when nonstop flights are available for this flight are: Friday, Saturday.

This flight path from Denver Intl to San Antonio was viewed by 48 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

Per day, 3 flights depart from Denver to San Antonio on average.
Morning (6am - Noon) - 33% of flight departures
Evening (6pm - Midnight) - 67% of flight departures

Frontier and Spirit Airlines can get you from Denver to San Antonio in just under 2h 13m. Your travel time can differ by up to 12h. Denver and San Antonio are separated by a distance of 799 mi. Both multi-stop and nonstop flights can be found to your destination and back.

Currently priced at $40, Frontier will fly you from Denver to San Antonio and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Spirit Airlines for as low as $131. Users have found that Frontier is 84% cheaper than the other options available to this destination.

To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $40. Frontier flights start at $41 while deals on Delta start at $89 one-way.

American Airlines, Delta and Frontier are the most popular airlines when flying from Denver to San Antonio.

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Denver to San Antonio on time: Air Canada (74%), United Airlines (74%), Southwest (72%).

Looking at all options, your cheapest flight can be booked for $33. While the most popular route (Denver Intl - San Antonio) can be booked for $89 on average our data indicates $166 when flying from Denver to San Antonio.

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