$86 Find Cheap Flights from Kansas City to San Antonio - Compare and Save

Among airlines operating Kansas City to San Antonio flights:

• Southwest: offers free seat selection

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

Only Southwest operates flights between Kansas City and San Antonio.

Flights from Kansas City to San Antonio usually depart from Kansas City (MCI) and arrive at San Antonio (SAT).

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

• Southwest: a cabin bag in Economy Class class

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

Only Economy Class is available on flights from Kansas City to San Antonio.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $243 round-trip via Atlanta Hartsfield-Jackson (ATL), compared to $389 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $45–$90 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Boeing 737 MAX 8 family is used most often on this route, operated mainly by Southwest. Other aircraft seen on the route include Boeing 737-800 Passenger/BBJ2 (winglets) variants.

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

• Dallas/Fort Worth (DFW) - 57% of one-stop connections
• Dallas Love Field (DAL) - 14% of one-stop connections
• Houston George Bush Intcntl (IAH) - 14% of one-stop connections
• Denver Intl (DEN) - 8% 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 28% on the Kansas City to San Antonio route. Wednesday is the cheapest departure day at $345 round-trip on average, while Sunday is the most expensive at $477, a difference of $132. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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 Kansas City to San Antonio:

• Earliest: departs at 11:40 am and lands at 1:42 pm
• Latest: departs at 6:50 pm and lands at 8:52 pm.

The flight takes about 2h 02m.

A nonstop flight from Kansas City to San Antonio takes 2h 02m, covering 707 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 $219 to $1,231. That means the highest observed fare was about 6x higher than the lowest one.

One-way fares from Kansas City to San Antonio are currently lower than usual. Average one-way flight prices are about $140, which is 38% below the typical average for this route.

Flying via Houston Hobby (HOU) gives the shortest average 1-stop total travel time at 3h 57m, compared with 3h 58m via Dallas Love Field (DAL) and 4h 08m via Dallas/Fort Worth (DFW).

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 Kansas City to San Antonio range from $320 to $448, with an average of $364 over the past 12 months. Anything below $320 counts as a good deal.