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$76+ Cheap flights from Kentucky to San Antonio (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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SAT
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Kentucky to San Antonio

Keep the following information in mind while searching for Kentucky to San Antonio flight deals. Data was last updated September 16, 2025.

Round-trip from

$151
(United Airlines)

One-way from

$76
(United Airlines)

Popular in

September

Cheapest in

August

Average price

$568
From Kentucky to San Antonio
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One-way flight from Kentucky to San Antonio
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Highest demand for flights based on searches. 6% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Kentucky to San Antonio

Cheapest flights from Kentucky to San Antonio
Explore the most affordable flight options available from Kentucky to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This United Airlines deal was found by Cheapflights users on 9/13. 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.
Fri 10/175:55 pmBNA - SAT
1 stop4h 40mUnited Airlines
Tue 10/214:21 pmSAT - BNA
1 stop3h 58mUnited Airlines
Deal found 9/13$151
This Frontier deal was found by Cheapflights users on 9/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/26:15 amBNA - SAT
1 stop13h 00mFrontier
Sun 10/59:55 amSAT - BNA
1 stop10h 48mFrontier
Deal found 9/14$155
This American Airlines deal was found by Cheapflights users on 9/15. 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 10/71:12 pmBNA - SAT
1 stop5h 28mAmerican Airlines
Sat 10/256:00 amSAT - BNA
1 stop6h 08mAmerican Airlines
Deal found 9/15$159
This Booking.com deal was found by Cheapflights users on 9/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/117:00 amBNA - SAT
1 stop9h 37mFrontier
Sun 10/128:26 pmSAT - BNA
1 stop27h 33mFrontier
Deal found 9/16$166
This Frontier deal was found by Cheapflights users on 9/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/118:00 amCVG - SAT
1 stop9h 37mFrontier
Thu 10/1612:09 pmSAT - CVG
1 stop12h 30mFrontier
Deal found 9/16$168
This Frontier deal was found by Cheapflights users on 9/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/76:12 amBNA - SAT
1 stop9h 02mFrontier
Sat 10/255:32 pmSAT - BNA
1 stop6h 27mFrontier
Deal found 9/16$170
This Booking.com deal was found by Cheapflights users on 9/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/238:17 pmTYS - SAT
1 stop24h 24mFrontier
Sat 10/255:32 pmSAT - TYS
1 stop25h 00mFrontier
Deal found 9/16$172
This Booking.com deal was found by Cheapflights users on 9/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/206:05 amCVG - SAT
1 stop14h 30mFrontier
Fri 10/248:26 pmSAT - CVG
1 stop26h 33mFrontier
Deal found 9/16$172
This Booking.com deal was found by Cheapflights users on 9/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/236:14 pmCVG - SAT
1 stop26h 27mFrontier
Sun 10/268:26 pmSAT - CVG
1 stop28h 13mFrontier
Deal found 9/16$180
This Booking.com deal was found by Cheapflights users on 9/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1011:25 amBNA - SAT
1 stop29h 12mFrontier
Mon 10/138:20 pmSAT - BNA
1 stop27h 39mFrontier
Deal found 9/16$182
This Frontier deal was found by Cheapflights users on 9/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/78:00 amCVG - SAT
1 stop8h 14mFrontier
Thu 10/93:32 pmSAT - CVG
1 stop9h 07mFrontier
Deal found 9/16$183
This Priceline deal was found by Cheapflights users on 9/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/277:00 amBNA - SAT
1 stop7h 27mMultiple Airlines
Sun 9/282:54 pmSAT - BNA
1 stop8h 29mMultiple Airlines
Deal found 9/15$187

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kentucky 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 September 16, 2025.
Use the filters below to find and compare flights from Kentucky to San Antonio that are best for you.

Fly from

Kentucky

Fly to

San Antonio

Route

Depart

Return

Price

NashvilleSan Antonio

BNA - SAT

BNASAT

Nashville Intl

Fri 10/17

5:55 pm-10:35 pm

1 stop4h 40m

San Antonio

Tue 10/21

4:21 pm-8:19 pm

1 stop3h 58m

$151

NashvilleSan Antonio

BNA - SAT

BNASAT

Nashville Intl

Wed 10/29

6:25 am-1:04 pm

1 stop6h 39m

San Antonio

Wed 11/5

6:00 pm-10:15 pm

1 stop4h 15m

$151

KnoxvilleSan Antonio

TYS - SAT

TYSSAT

Knoxville McGhee Tyson

Thu 10/23

8:17 pm-7:41 pm

1 stop24h 24m

San Antonio

Sat 10/25

5:32 pm-7:32 pm

1 stop25h 00m

$172

NashvilleSan Antonio

BNA - SAT

BNASAT

Nashville Intl

Sat 9/27

7:00 am-2:27 pm

1 stop7h 27m

San Antonio

Sun 9/28

2:54 pm-11:23 pm

1 stop8h 29m

$187

NashvilleSan Antonio

BNA - SAT

BNASAT

Nashville Intl

Sat 10/25

7:00 am-4:37 pm

1 stop9h 37m

San Antonio

Sun 10/26

12:09 pm-11:59 pm

1 stop11h 50m

$192

NashvilleSan Antonio

BNA - SAT

BNASAT

Nashville Intl

Mon 11/17

4:48 pm-11:16 pm

1 stop6h 28m

San Antonio

Sun 11/23

4:24 pm-10:15 pm

1 stop5h 51m

$193

LexingtonSan Antonio

LEX - SAT

LEXSAT

Lexington Blue Grass

Tue 10/21

6:00 am-10:20 am

1 stop5h 20m

San Antonio

Tue 10/28

6:00 am-11:45 am

1 stop4h 45m

$197

LexingtonSan Antonio

LEX - SAT

LEXSAT

Lexington Blue Grass

Wed 11/12

7:16 pm-12:28 am

1 stop6h 12m

San Antonio

Sat 11/15

10:33 am-7:07 pm

2 stops7h 34m

$198

NashvilleSan Antonio

BNA - SAT

BNASAT

Nashville Intl

Wed 11/5

6:10 am-3:11 pm

1 stop9h 01m

San Antonio

Sat 11/8

3:12 pm-2:47 pm

1 stop23h 35m

$200

KnoxvilleSan Antonio

TYS - SAT

TYSSAT

Knoxville McGhee Tyson

Fri 10/17

8:17 pm-4:37 pm

1 stop21h 20m

San Antonio

Thu 10/23

12:09 pm-7:32 pm

1 stop6h 23m

$210

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 60 results
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Best time to book a flight from Kentucky to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Kentucky 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 Kentucky to San Antonio

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

Currently, August is the cheapest month in which you can book a flight from Kentucky to San Antonio (average of $295). Flying from Kentucky to San Antonio in March is currently the most expensive (average of $376). 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 KY to SAT?

Find hourly flight availability from Kentucky 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 September 16, 2025.

When flying from Kentucky to San Antonio, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

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

  • What airport do you fly into for flights to San Antonio from Kentucky?

    Most people fly into San Antonio (SAT) if they book a flight to San Antonio from Kentucky. San Antonio is conveniently located just 7.6 mi from San Antonio’s city center.

  • How long is the flight from Kentucky to San Antonio?

    There are many flights that can get you from Kentucky to San Antonio in 4h 40m. Fly via United Airlines, Frontier, or American Airlines to get the fastest option. Kentucky and San Antonio are separated by a distance of 820 mi. This flight may include one or multiple stops.

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

    One-way options have recently been found by users for as low as $76 on United Airlines. Other airlines that offer cheap prices include Spirit Airlines from $112 and Frontier from $138 one-way.

  • What are the most popular routes from Kentucky to San Antonio?

    Most travelers choose Cincinnati Cinci./N. Kentucky - San Antonio, Nashville Intl - San Antonio or Louisville Intl - San Antonio when deciding on the best route from Kentucky to San Antonio.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Kentucky 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 Kentucky to San Antonio?

    Currently, August is the cheapest month in which you can book a flight from Kentucky to San Antonio (average of $295). Flying from Kentucky to San Antonio in March is currently the most expensive (average of $376). 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 Kentucky to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Kentucky to San Antonio

Discover the top 5 airlines that operate flights from Kentucky 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$156Average$242FlexibilityNo cancel feeOn-time65%
DeltaCheapest$236Average$363FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$253Average$375FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$296Average$439FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$302Average$385FlexibilityNo cancel feeOn-time63%

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