$104 Cheap Flights from Kansas City (MCI) to San Antonio (SAT)

View $104 flight on Mon, Aug 25, 2025Opens in a new window

Popular airlines from Kansas City International Airport (MCI) to San Antonio International Airport (SAT)

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Cheap Flights from Kansas City to San Antonio (MCI-SAT)

Prices were available within the past 7 days and start at $104 for one-way flights and $188 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Wed, Aug 13 - Sat, Aug 23
MCI
Kansas City
SAT
San Antonio
$188 Roundtrip, found 18 hours ago
$188
Roundtrip
found 18 hours ago
Select Frontier Airlines flight, departing Wed, Aug 13 from Kansas City to San Antonio, returning Sat, Aug 23, priced at $188 found 18 hours ago
Frontier Airlines
Thu, Sep 25 - Sat, Sep 27
MCI
Kansas City
SAT
San Antonio
$198 Roundtrip, just found
$198
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Sep 25 from Kansas City to San Antonio, returning Sat, Sep 27, priced at $198 just found
Frontier Airlines
Thu, Sep 25 - Sun, Sep 28
MCI
Kansas City
SAT
San Antonio
$208 Roundtrip, just found
$208
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Sep 25 from Kansas City to San Antonio, returning Sun, Sep 28, priced at $208 just found
Spirit Airlines
Fri, Sep 26 - Mon, Sep 29
MCI
Kansas City
SAT
San Antonio
$209 Roundtrip, just found
$209
Roundtrip
just found
Select Spirit Airlines flight, departing Fri, Sep 26 from Kansas City to San Antonio, returning Mon, Sep 29, priced at $209 just found
Frontier Airlines
Sun, Aug 24 - Tue, Sep 2
MCI
Kansas City
SAT
San Antonio
$213 Roundtrip, just found
$213
Roundtrip
just found
Select Frontier Airlines flight, departing Sun, Aug 24 from Kansas City to San Antonio, returning Tue, Sep 2, priced at $213 just found
Southwest Airlines
Wed, Sep 24 - Sun, Sep 28
MCI
Kansas City
SAT
San Antonio
$213 Roundtrip, found 15 hours ago
$213
Roundtrip
found 15 hours ago
Select Southwest Airlines flight, departing Wed, Sep 24 from Kansas City to San Antonio, returning Sun, Sep 28, priced at $213 found 15 hours ago
Southwest Airlines
Tue, Aug 26 - Wed, Aug 27
MCI
Kansas City
SAT
San Antonio
$217 Roundtrip, found 1 day ago
$217
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Tue, Aug 26 from Kansas City to San Antonio, returning Wed, Aug 27, priced at $217 found 1 day ago
Spirit Airlines
Thu, Sep 18 - Sat, Sep 20
MCI
Kansas City
SAT
San Antonio
$218 Roundtrip, just found
$218
Roundtrip
just found
Select Spirit Airlines flight, departing Thu, Sep 18 from Kansas City to San Antonio, returning Sat, Sep 20, priced at $218 just found
American Airlines
Fri, Sep 26 - Mon, Sep 29
MCI
Kansas City
SAT
San Antonio
$223 Roundtrip, just found
$223
Roundtrip
just found
Select American Airlines flight, departing Fri, Sep 26 from Kansas City to San Antonio, returning Mon, Sep 29, priced at $223 just found
Delta
Wed, Sep 24 - Sat, Sep 27
MCI
Kansas City
SAT
San Antonio
$227 Roundtrip, just found
$227
Roundtrip
just found
Select Delta flight, departing Wed, Sep 24 from Kansas City to San Antonio, returning Sat, Sep 27, priced at $227 just found

Find the cheapest month to fly from Kansas City (MCI) to San Antonio (SAT)

September is typically the cheapest month to fly

From $118 - $361 per traveler.

Graph displaying average flight prices per month

Alternative airports near San Antonio

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Antonio Intl. SAT. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $317
SAT
San Antonio Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $317
Flights from Kansas City (MCI) to San Antonio (SAT)
Origin airport
Kansas City Intl.
Destination airport
San Antonio Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$188
Distance
707 mi
Average flight time
1 hour 58 mins

Kansas City to San Antonio Flights

The cheapest times to fly from Kansas City to San Antonio

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Kansas City to San Antonio are during the month of August. You can find some of the cheapest flights from Kansas City to San Antonio with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Kansas City to San Antonio

Sunday is one of the best days to book for cheap flights from Kansas City to San Antonio: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Kansas City to San Antonio

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Kansas City to San Antonio in 2025. You can also book with separate airlines for your outbound and return journeys, from $104 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Kansas City to San Antonio flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Kansas City to San Antonio airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Kansas City Intl. Airport (MCI) to San Antonio Intl. Airport (SAT) cost?
Cheap return fares from Kansas City Intl. Airport (MCI) to San Antonio Intl. Airport (SAT) start at $240. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Southwest Airlines flight leaving MCI on August 18 2025 and touching down at SAT. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from MCI to SAT?
The cheapest flights from MCI to SAT are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Kansas City Intl. Airport (MCI) to San Antonio Intl. Airport (SAT)?
Hop on a direct flight with Southwest Airlines and travel straight from Kansas City Intl. Airport (MCI) to San Antonio Intl. Airport (SAT).
What is the cheapest airline that flies from MCI to SAT?
Journey from MCI to SAT with Southwest Airlines. This airline currently has the lowest one-way fare on this route, starting from $109. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from MCI on August 25 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Kansas City Intl. Airport (MCI) to San Antonio Intl. Airport (SAT)?
On average, you can take your pick of 3 nonstop flights flying from Kansas City Intl. Airport (MCI) to San Antonio Intl. Airport (SAT) weekly. If you can't see one that suits your schedule, consider booking a flight with a layover. Customize your search on Expedia to include one stop or more and choose the best alternative.
What are the most popular departure times for flights from Kansas City Intl. Airport (MCI) to San Antonio Intl. Airport (SAT)?
More people fly between MCI and SAT at 2 PM than at any other time of day. Rather skip the crowds? Pick a flight outside the busiest times and it's possible you'll save on your fare as well.
What day of the week has the most flights from MCI to SAT?
Sunday has the most flights from Kansas City Intl. Airport (MCI) to San Antonio Intl. Airport (SAT). Consider traveling on this day and you'll have the best chance of finding a schedule that works for you.
What is the earliest flight from Kansas City Intl. Airport (MCI) to San Antonio Intl. Airport (SAT)?
The first flight of the day taking off from Kansas City Intl. Airport (MCI) is at around 2:25PM UTC-6. Catch this flight and you'll arrive at San Antonio Intl. Airport (SAT) at approximately 4:35PM UTC-6. The total time in the air is 2h 10m.
How long does it take to fly from Kansas City Intl. Airport (MCI) to San Antonio Intl. Airport (SAT)?
Flights from MCI to SAT have an average travel time of 2 hours and 10 minutes. The total distance between the two is 710 mi.
What airline has the least delays from MCI to SAT?
With 95% of journeys generally arriving as scheduled, Southwest Airlines has the best on-time performance for nonstop flights from Kansas City Intl. Airport (MCI) to San Antonio Intl. Airport (SAT). To check your flight status and get notified if anything changes, use the Expedia App.
What is the best time to fly from Kansas City Intl. Airport (MCI) to San Antonio Intl. Airport (SAT)?
To avoid potential delays on the Kansas City Intl. Airport (MCI) to San Antonio Intl. Airport (SAT) route, aim to fly before 3 PM. Later departures have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for San Antonio from Kansas City Intl. Airport (MCI)?
If you're traveling on a direct flight from Kansas City Intl. Airport (MCI) to San Antonio, San Antonio Intl. Airport (SAT) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Kansas City Intl. Airport (MCI) to San Antonio Intl. Airport (SAT) last-minute?
Last-minute bookings from MCI to SAT are usually more expensive. To secure the best prices, start searching for flights well in advance. That being said, if you're flexible with your travel dates, you may find a cheap fare right before your journey.
Is it cheaper to book a MCI to SAT flight and hotel package?
You'll typically save money by booking a MCI to SAT flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've selected your ideal accommodations and flights, consider other add-ons like activities, car rentals and tours.
Can I cancel or change the date of my flight from Kansas City Intl. Airport (MCI) to San Antonio Intl. Airport (SAT)?
It's generally possible to reschedule or cancel your MCI to SAT flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

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