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$64+ Cheap flights from Kansas City to San Antonio (MCI - SAT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — SAT
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Kansas City to San Antonio are usually found in August or October, booked 63 days in advance, depart on a Tuesday or Saturday and return on a Wednesday

Cheap flight deals from Kansas City to San Antonio

Cheapest flights from Kansas City to San Antonio
Explore the most affordable flight options available from Kansas City to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This Orbitz deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/248:45 pmMCI - SAT
1 stop27h 32mFrontier
Sun 1/46:45 amSAT - MCI
1 stop13h 06mFrontier
Deal found 12/11$262
This Expedia deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/248:45 pmMCI - SAT
1 stop27h 32mFrontier
Sun 12/286:45 amSAT - MCI
1 stop13h 06mFrontier
Deal found 12/10$282
This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:45 amMCI - SAT
1 stop7h 27mUnited Airlines
Wed 12/319:51 amSAT - MCI
1 stop4h 22mUnited Airlines
Deal found 12/11$357
This American Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:04 amMCI - SAT
1 stop4h 41mAmerican Airlines
Fri 1/26:00 pmSAT - MCI
1 stop3h 44mAmerican Airlines
Deal found 12/11$375
This Kiwi.com deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2511:53 amMCI - SAT
2 stops12h 24mMultiple Airlines
Sun 12/285:10 amSAT - MCI
1 stop9h 42mMultiple Airlines
Deal found 12/10$402
This American Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2511:14 amMCI - SAT
1 stop9h 00mAmerican Airlines
Mon 12/295:00 amSAT - MCI
1 stop3h 59mAmerican Airlines
Deal found 12/11$415
This American Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:04 amMCI - SAT
1 stop5h 52mAmerican Airlines
Mon 1/54:39 pmSAT - MCI
1 stop6h 15mAmerican Airlines
Deal found 12/10$425
This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/178:08 amMCI - SAT
1 stop5h 04mUnited Airlines
Thu 12/1811:28 amSAT - MCI
1 stop5h 26mUnited Airlines
Deal found 12/11$432
This Kiwi.com deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:15 pmMCI - SAT
1 stop29h 11mMultiple Airlines
Sun 1/410:18 amSAT - MCI
2 stops33h 32mMultiple Airlines
Deal found 12/11$438
This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:00 amMCI - SAT
2 stops9h 53mUnited Airlines
Fri 1/25:15 amSAT - MCI
1 stop5h 21mUnited Airlines
Deal found 12/11$450

Find flight deals from Kansas City to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Kansas City (MCI) to San Antonio (SAT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 12, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$167
(Kiwi.com)

One-way from

$64
(Frontier)

Popular in

December

Cheapest in

August

Average price

$425
Provider with most accurate pricing for Kansas City-San Antonio flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kansas City-San Antonio flights.
Search Deals
From Kansas City to San Antonio
Search Deals
One-way flight from Kansas City to San Antonio
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kansas City to San Antonio that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from Kansas City to San Antonio that are best for you.

Fly from

Kansas City

Fly to

San Antonio

Route

Depart

Return

Price

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Fri 1/9

8:31 pm-3:00 pm

1 stop18h 29m

San Antonio

Sun 1/11

10:13 am-7:26 pm

1 stop9h 13m

$167

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Tue 1/13

5:04 pm-11:52 pm

1 stop30h 48m

San Antonio

Sat 1/17

10:35 am-10:31 am

1 stop23h 56m

$238

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Fri 1/30

5:04 pm-11:52 pm

1 stop6h 48m

San Antonio

Sat 1/31

6:30 am-4:09 pm

1 stop9h 39m

$270

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Mon 2/2

7:00 am-7:33 pm

2 stops12h 33m

San Antonio

Thu 2/5

10:35 am-10:31 am

1 stop23h 56m

$275

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Tue 1/13

11:29 am-7:41 pm

2 stops8h 12m

San Antonio

Sat 1/17

5:59 pm-10:40 pm

1 stop4h 41m

$309

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Mon 2/2

7:00 am-11:50 am

1 stop4h 50m

San Antonio

Thu 2/5

11:20 am-1:15 pm

Nonstop1h 55m

$310

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Mon 2/2

5:04 pm-11:52 pm

1 stop6h 48m

San Antonio

Thu 2/5

10:35 am-4:09 pm

3 stops29h 34m

$322

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Tue 1/27

5:50 am-12:45 pm

1 stop6h 55m

San Antonio

Fri 1/30

5:20 am-12:17 pm

1 stop6h 57m

$330

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Mon 2/2

4:25 pm-9:21 pm

1 stop4h 56m

San Antonio

Wed 2/4

1:20 pm-8:33 pm

1 stop7h 13m

$354

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Thu 1/8

4:55 pm-11:05 pm

1 stop6h 10m

San Antonio

Fri 1/9

7:15 am-12:20 pm

2 stops5h 05m

$359

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 23 results
1
2
3

Compare providers for flights from Kansas City to San Antonio

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Kansas City to San Antonio in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
MytripPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Kansas City-San Antonio flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Kansas City-San Antonio flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Kansas City-San Antonio flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Kansas City-San Antonio flights, Cheapflights users trust Mytrip the most. Mytrip has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kansas City-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Kansas City to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Kansas City with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Kansas City to San Antonio

How far ahead should I book a flight from Kansas City to San Antonio?

Use this chart to determine the optimal time to book a round-trip flight from Kansas City to San Antonio. Price data was last updated on December 5, 2025.

The best time to book flights from Kansas City to San Antonio is 63 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Kansas City to San Antonio?

Currently, November is the cheapest month in which you can book a flight from Kansas City to San Antonio (average of $144). Flying from Kansas City to San Antonio in July is currently the most expensive (average of $226). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MCI to SAT?

Find hourly flight availability from Kansas City to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Kansas City to San Antonio in the morning. If you’re flexible enough to do this you can expect to save up to 60% on your trip compared to booking a flight in the evening.

What is the cheapest day to fly from Kansas City to San Antonio?

Use this chart to determine the cheapest time to fly round-trip from Kansas City to San Antonio. Price data was last updated on December 6, 2025.

Travelers seeking maximum savings on their Kansas City to San Antonio flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing San Antonio

Get insights into the airlines that provide service to San Antonio. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Antonio. Reviews last updated December 12, 2025.
Read through reviews of airlines operating flights from Kansas City to San Antonio, such as Southwest, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,253 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

7.9

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
7.9
Good
4,253 reviews
Southwest
7.9
Good
4,253 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

7.9

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
9,095 reviews
Southwest
7.9
Good
4,253 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

7.9

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,050 reviews
Southwest
7.9
Good
4,253 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

7.9

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Kansas City to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Kansas City to San Antonio?

    Airlines like Frontier, Spirit Airlines, and United Airlines fly from Kansas City to San Antonio in about 8h 12m. The time it takes to get you to your destination can typically vary by up to 22h 36m. Airlines will cover a distance of 707 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Kansas City to San Antonio round-trip?

    Our cheapest airline available from Kansas City to San Antonio is American Airlines. Our recent data shows that you can find tickets from as low as $203 on this airline. Additional options worth looking into are Southwest and United Airlines, starting at $224 and $236 round-trip. You may be able to fly from Kansas City to San Antonio for 43% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Kansas City to San Antonio one-way?

    The cheapest airlines for a one-way flight from Kansas City to San Antonio are Frontier ($78), Delta ($123), and American Airlines ($133).

  • What are the cheapest flights from Kansas City to San Antonio?

    On average you can expect to pay $443 for a flight from Kansas City to San Antonio. The cheapest flight overall is $383 while the most popular route, (Kansas City - San Antonio) is currently priced at $181.

  • Can I find deals for flights from Kansas City to San Antonio that include hotel bookings?

    Yes. In addition to deals on Kansas City to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kansas City to San Antonio?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kansas City to San Antonio.

  • Can I find deals for business class flights from Kansas City to San Antonio?

    Yes. Cheapflights offers flight deals from Kansas City to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kansas City to San Antonio?

    Currently, November is the cheapest month in which you can book a flight from Kansas City to San Antonio (average of $144). Flying from Kansas City to San Antonio in July is currently the most expensive (average of $226). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville

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Alternative routes for Kansas City to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Kansas City to San Antonio

Discover the top 3 airlines that operate flights from Kansas City to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$203Average$384FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$224Average$356FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$236Average$339FlexibilityNo cancel feeOn-time69%

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