$92 Find Cheap Flights from Denver to San Antonio - Compare and Save

You can fly nonstop from Denver International Airport (DEN) to San Antonio International Airport (SAT). Some of the airlines that have nonstop flights on this route are Frontier, United Airlines, and Southwest Airlines. You can also find layover flights from DEN to SAN. Frontier Airlines also has a flight with a layover at Harry Reid International Airport (LAS). You can find a flight by American Airlines with a layover at the Dallas/Fort Worth International Airport (DFW).

You can access the Westin Denver International Airport hotel by going up the escalator at the Transit center of Jeppesen Terminal. If you want a place to stay close to the airport, the hotel is within a short walking distance of the main terminal. The hotel offers both shuttle and public transport services.

On arrival at SAT Airport, you can opt for public transportation from the airport to downtown San Antonio. The Super Shuttle is the only authorized shared-ride shuttle at the airport, which departs every 15min daily. You can also catch the VIA Metropolitan Transit buses which have a clearly marked stop between Terminals A and B at the Arrivals/Baggage level. You can also opt for taxi services which stop on the outer curbside of Terminal A.

DEN is a partner with the Hidden Disabilities Sunflower organization which offers the Sunflower Lanyard Program. This is a subtle way of notifying the airport’s staff that you may need assistance due to a hidden disability. You can get the Sunflower Lanyard at the customer service desk or a DEN Ambassador at the center of each concourse. DEN has also made sure that all its services are wheelchair accessible, such as the elevators, restrooms, escalators, and TTY phones. DEN also utilizes the remote Aira way-finding agents to direct the blind or people with low vision.

Among airlines operating Denver to San Antonio flights:

• Frontier: offers free seat selection
• United Airlines: offers extra legroom; offers free seat selection
• Southwest: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

3 airlines operate flights between Denver and San Antonio. The airlines offering nonstop flights on this route include:

• Southwest
• United Airlines
• Frontier

Flights from Denver to San Antonio usually depart from Denver Intl (DEN) and arrive at San Antonio (SAT).

Here are some options for this route, based on selected ticket types and cabin classes:

• Frontier: a cabin bag and a checked bag in Economy Class
• United Airlines: a cabin bag and a checked bag in Economy Class
• Southwest: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Two cabin classes are available on flights from Denver to San Antonio:

• Economy Class
• First Class

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $234 round-trip via Phoenix Sky Harbor Intl (PHX), compared to $257 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $32–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Boeing 737-800 family is used most often on this route, operated mainly by United Airlines. Other aircraft seen on the route include Airbus A320-100/200 variants.

One-stop flights from Denver to San Antonio most commonly connect through:

• Dallas/Fort Worth (DFW) - 57% of one-stop connections
• Phoenix Sky Harbor Intl (PHX) - 21% of one-stop connections
• Dallas Love Field (DAL) - 7% of one-stop connections
• Las Vegas Harry Reid Intl (LAS) - 7% of one-stop connections

Dallas/Fort Worth (DFW) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 35% on the Denver to San Antonio route. Thursday is the cheapest departure day at $231 round-trip on average, while Sunday is the most expensive at $354, a difference of $123. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Afternoon is the busiest departure period on Denver to San Antonio flights, with 37% of flights leaving in that window. Evening departures account for 37%, morning flights for 26%, and night flights for 0%.

Some of the most popular sights in San Antonio are San Antonio River Walk, SeaWorld San Antonio and Alamodome. These are among the most viewed places in San Antonio on KAYAK.

These are the earliest and latest flight times available from Denver to San Antonio:

• Earliest: departs at 7:00 am and lands at 9:13 am
• Latest: departs at 8:55 pm and lands at 11:08 pm.

The flight takes about 2h 13m.

Last-minute fares on this route - booked within 2 weeks of departure - run 33% above the route average of $255. Book 6 weeks before departure for the lowest fares.

A nonstop flight from Denver to San Antonio takes 2h 13m, covering 795 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $158 to $1,211. That means the highest observed fare was about 8x higher than the lowest one.

One-way fares from Denver to San Antonio are currently lower than usual. Average one-way flight prices are about $113, which is 35% below the typical average for this route.

Flying via Dallas Love Field (DAL) gives the shortest average 1-stop total travel time at 4h 26m, compared with 4h 46m via Dallas/Fort Worth (DFW) and 6h 37m via Phoenix Sky Harbor Intl (PHX).

San Antonio is 1 hour ahead of Denver (Central Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

San Antonio Airport (SAT) hosts 5 major car rental companies, with daily rates starting from around $22 for economy cars. Top options include:
· Europcar
· Fox
· Dollar
· Hertz
· Alamo

Round-trip flights from Denver to San Antonio range from $178 to $370, with an average of $255 over the past 12 months. Anything below $178 counts as a good deal.