What is the cheapest airline that flies from Kentucky to San Antonio?

Southwest, Delta, and Frontier are the most popular carriers operating from Kentucky to San Antonio

What airlines fly to San Antonio?

American Airlines, Southwest and Delta are the top three most popular airlines that fly to San Antonio from Kentucky according to our data. American Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to San Antonio. Keep in mind that there are 4 different airlines that fly to San Antonio on a routine basis, so you have a few additional options to choose from.

How many flights depart from Kentucky to San Antonio on average per week?

9 flights are operational weekly from Kentucky to San Antonio as of September 2026. The most popular departure day for this route is Mon, with 33% of flights per week taking off on this day.

How long does it take to fly to San Antonio?

Flight times vary depending on what airport in Kentucky you fly out of and what airport in San Antonio you fly into. For example, flying from Lexington to Austin takes 4h 20m on average. On the other hand, flying from Louisville to Austin takes 4h 27m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

When did momondo last update prices for flights from Kentucky to San Antonio Airport?

Prices for flights from Kentucky to San Antonio Airport are updated daily.

How many operators does momondo search for flights from Kentucky to San Antonio Airport?

There are 5 operators available for flights from Kentucky to San Antonio Airport as of September 2026.

How old do you have to be to fly from Kentucky to San Antonio Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Kentucky to San Antonio Airport.

What documentation or ID do you need to fly to San Antonio Airport?

The travel and health documents required for your trip to San Antonio Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Antonio Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$100 Cheap Flights from Kentucky to San Antonio in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Kentucky to San Antonio

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:29 pm - 9:08 amBNA Nashville Intl-SAT San Antonio

12h 39m1 stop Orlando

8:20 pm - 2:16 pmSAT San Antonio-BNA Nashville Intl

17h 56m1 stop Denver Intl

$198Frontier

Tue, Oct 20 - Tue, Oct 27

3:14 pm - 7:25 pmBNA Nashville Intl-SAT San Antonio

28h 11m1 stop Denver Intl

10:05 am - 4:45 pmSAT San Antonio-BNA Nashville Intl

6h 40m1 stop Orlando

$198Frontier

Tue, Sep 29 - Mon, Oct 5

8:15 am - 10:45 amBNA Nashville Intl-SAT San Antonio

2h 30mnonstop

4:40 pm - 6:55 pmSAT San Antonio-BNA Nashville Intl

2h 15mnonstop

$237Southwest

Thu, Oct 1 - Mon, Oct 5

8:10 am - 10:40 amBNA Nashville Intl-SAT San Antonio

2h 30mnonstop

10:30 am - 12:45 pmSAT San Antonio-BNA Nashville Intl

2h 15mnonstop

$237Southwest

Tue, Oct 27 - Sat, Oct 31

5:57 pm - 10:56 pmLEX Lexington Blue Grass-SAT San Antonio

5h 59m1 stop Charlotte Douglas

6:05 am - 12:38 pmSAT San Antonio-LEX Lexington Blue Grass

5h 33m1 stop Charlotte Douglas

$243American Airlines

Sat, Oct 24 - Sat, Oct 31

6:55 pm - 11:55 pmLEX Lexington Blue Grass-SAT San Antonio

6h 00m1 stop Chicago O'Hare Intl

7:27 am - 4:15 pmSAT San Antonio-LEX Lexington Blue Grass

7h 48m1 stop Charlotte Douglas

$243American Airlines

Wed, Nov 4 - Sat, Nov 7

7:34 am - 3:38 pmBNA Nashville Intl-SAT San Antonio

8h 04m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

7:35 am - 11:41 amSAT San Antonio-BNA Nashville Intl

4h 06m1 stop Houston George Bush Intcntl

$252United Airlines

Tue, Oct 27 - Sat, Oct 31

5:30 am - 1:16 pmLEX Lexington Blue Grass-SAT San Antonio

8h 46m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

11:45 am - 8:35 pmSAT San Antonio-LEX Lexington Blue Grass

7h 50m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

$253United Airlines

Wed, Nov 11 - Sat, Nov 14

6:00 am - 9:42 amLEX Lexington Blue Grass-SAT San Antonio

4h 42m1 stop Atlanta Hartsfield-Jackson

5:30 am - 11:58 amSAT San Antonio-LEX Lexington Blue Grass

5h 28m1 stop Atlanta Hartsfield-Jackson

$253Delta

Sat, Oct 17 - Wed, Oct 21

7:10 am - 1:22 pmLEX Lexington Blue Grass-SAT San Antonio

7h 12m1 stop Atlanta Hartsfield-Jackson

6:45 am - 12:37 pmSAT San Antonio-LEX Lexington Blue Grass

4h 52m1 stop Atlanta Hartsfield-Jackson

$273Delta

Sat, Feb 20 - Sat, Feb 27

Cheap last minute flights

Enter your travel dates to find the best prices.

8:56 pm - 9:10 amCVG Cincinnati Cinci./N. Kentucky-SAT San Antonio

13h 14m1 stop Orlando

10:03 am - 7:36 pmSAT San Antonio-CVG Cincinnati Cinci./N. Kentucky

8h 33m1 stop Orlando

$300Frontier

Sun, Sep 13 - Wed, Sep 16

8:56 pm - 9:10 amCVG Cincinnati Cinci./N. Kentucky-SAT San Antonio

13h 14m1 stop Orlando

10:03 am - 11:41 pmSAT San Antonio-CVG Cincinnati Cinci./N. Kentucky

12h 38m1 stop Orlando

$301Frontier

Sun, Sep 13 - Wed, Sep 16

4:55 pm - 9:06 pmBNA Nashville Intl-SAT San Antonio

4h 11m1 stop Dallas/Fort Worth

7:05 pm - 11:38 pmSAT San Antonio-BNA Nashville Intl

4h 33m1 stop Dallas/Fort Worth

$423American Airlines

Sat, Sep 12 - Sun, Sep 13

4:55 pm - 10:50 pmBNA Nashville Intl-SAT San Antonio

5h 55m1 stop Dallas/Fort Worth

10:51 am - 5:22 pmSAT San Antonio-BNA Nashville Intl

6h 31m1 stop Dallas/Fort Worth

$423American Airlines

Sat, Sep 12 - Sun, Sep 13

4:18 pm - 2:20 pmTYS Knoxville McGhee Tyson-SAT San Antonio

23h 02m2 stops Orlando Las Vegas Harry Reid Intl

12:38 pm - 8:09 pmSAT San Antonio-TYS Knoxville McGhee Tyson

6h 31m1 stop Memphis

$427Multiple Airlines

Mon, Sep 14 - Fri, Sep 25

8:32 pm - 7:25 pmBNA Nashville Intl-SAT San Antonio

22h 53m1 stop Denver Intl

9:25 am - 8:42 amSAT San Antonio-BNA Nashville Intl

23h 17m2 stops Raleigh-Durham Orlando

$428Multiple Airlines

Fri, Sep 11 - Sun, Sep 13

8:15 am - 6:00 pmSDF Louisville Intl-SAT San Antonio

10h 45m1 stop Las Vegas Harry Reid Intl

5:40 am - 2:15 pmSAT San Antonio-SDF Louisville Intl

7h 35m2 stops Dallas Love Field Houston Hobby

$594Southwest

Wed, Sep 9 - Sat, Sep 12

1:15 pm - 8:35 pmSDF Louisville Intl-SAT San Antonio

8h 20m2 stops Chicago Midway Dallas Love Field

9:45 am - 5:30 pmSAT San Antonio-SDF Louisville Intl

6h 45m2 stops Dallas Love Field Chicago Midway

$599Southwest

Wed, Sep 9 - Sat, Sep 12

9:45 am - 1:29 pmSDF Louisville Intl-SAT San Antonio

4h 44m1 stop Houston George Bush Intcntl

4:12 pm - 10:15 pmSAT San Antonio-SDF Louisville Intl

5h 03m1 stop Houston George Bush Intcntl

$603United Airlines

Sat, Sep 12 - Sat, Sep 12

7:25 am - 10:45 amSDF Louisville Intl-SAT San Antonio

4h 20m1 stop Houston George Bush Intcntl

1:45 pm - 10:36 pmSAT San Antonio-SDF Louisville Intl

7h 51m1 stop Denver Intl

$603United Airlines

Wed, Sep 9 - Wed, Sep 9

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Frontier flights from Kentucky to San Antonio

Our best Frontier deals on Kentucky to San Antonio flight tickets

Frontier

Sep 29

BNA3:14 pmNashville Intl

28h 11m

1 stop

SAT7:25 pmSan Antonio

Oct 5

SAT10:05 amSan Antonio

6h 40m

1 stop

BNA4:45 pmNashville Intl

$198

Frontier

Oct 18

CVG8:19 pmCincinnati Cinci./N. Kentucky

13h 49m

1 stop

SAT9:08 amSan Antonio

Oct 30

SAT10:13 amSan Antonio

24h 21m

2 stops

CVG11:34 amCincinnati Cinci./N. Kentucky

$203

Frontier

Oct 18

CVG8:19 pmCincinnati Cinci./N. Kentucky

13h 49m

1 stop

SAT9:08 amSan Antonio

Oct 30

SAT10:13 amSan Antonio

24h 21m

2 stops

CVG11:34 amCincinnati Cinci./N. Kentucky

$204

American Airlines flights from Kentucky to San Antonio

Our best American Airlines deals on Kentucky to San Antonio flight tickets

American Airlines

Oct 24

LEX5:57 pmLexington Blue Grass

5h 59m

1 stop

SAT10:56 pmSan Antonio

Oct 31

SAT6:05 amSan Antonio

5h 33m

1 stop

LEX12:38 pmLexington Blue Grass

$243

American Airlines

Oct 24

LEX5:57 pmLexington Blue Grass

5h 59m

1 stop

SAT10:56 pmSan Antonio

Oct 31

SAT6:00 amSan Antonio

7h 57m

2 stops

LEX2:57 pmLexington Blue Grass

$248

American Airlines

Oct 19

LEX7:55 pmLexington Blue Grass

5h 04m

1 stop

SAT11:59 pmSan Antonio

Oct 24

SAT2:59 pmSan Antonio

8h 10m

1 stop

LEX12:09 amLexington Blue Grass

$293

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

NashvilleSan Antonio

BNA Nashville Intl - SAT San Antonio

BNASAT

Nashville Intl

Tue 10/20

8:29 pm-9:08 am

1 stop12h 39m

San Antonio

Tue 10/27

8:20 pm-2:16 pm

1 stop17h 56m

$198

NashvilleSan Antonio

BNA Nashville Intl - SAT San Antonio

BNASAT

Nashville Intl

Tue 9/29

3:14 pm-7:25 pm

1 stop28h 11m

San Antonio

Mon 10/5

10:05 am-4:45 pm

1 stop6h 40m

$198

Quickest round-trip

NashvilleSan Antonio

BNA Nashville Intl - SAT San Antonio

BNASAT

Nashville Intl

Thu 10/1

8:15 am-10:45 am

Nonstop2h 30m

San Antonio

Mon 10/5

4:40 pm-6:55 pm

Nonstop2h 15m

$237

NashvilleSan Antonio

BNA Nashville Intl - SAT San Antonio

BNASAT

Nashville Intl

Tue 10/27

8:10 am-10:40 am

Nonstop2h 30m

San Antonio

Sat 10/31

10:30 am-12:45 pm

Nonstop2h 15m

$237

LexingtonSan Antonio

LEX Lexington Blue Grass - SAT San Antonio

LEXSAT

Lexington Blue Grass

Sat 10/24

5:57 pm-10:56 pm

1 stop5h 59m

San Antonio

Sat 10/31

6:05 am-12:38 pm

1 stop5h 33m

$243

LexingtonSan Antonio

LEX Lexington Blue Grass - SAT San Antonio

LEXSAT

Lexington Blue Grass

Wed 11/4

6:55 pm-11:55 pm

1 stop6h 00m

San Antonio

Sat 11/7

7:27 am-4:15 pm

1 stop7h 48m

$243

NashvilleSan Antonio

BNA Nashville Intl - SAT San Antonio

BNASAT

Nashville Intl

Tue 10/27

7:34 am-3:38 pm

2 stops8h 04m

San Antonio

Sat 10/31

7:35 am-11:41 am

1 stop4h 06m

$252

LexingtonSan Antonio

LEX Lexington Blue Grass - SAT San Antonio

LEXSAT

Lexington Blue Grass

Wed 11/11

5:30 am-1:16 pm

2 stops8h 46m

San Antonio

Sat 11/14

11:45 am-8:35 pm

2 stops7h 50m

$253

LexingtonSan Antonio

LEX Lexington Blue Grass - SAT San Antonio

LEXSAT

Lexington Blue Grass

Sat 10/17

6:00 am-9:42 am

1 stop4h 42m

San Antonio

Wed 10/21

5:30 am-11:58 am

1 stop5h 28m

$253

LexingtonSan Antonio

LEX Lexington Blue Grass - SAT San Antonio

LEXSAT

Lexington Blue Grass

Sat 2/20

7:10 am-1:22 pm

1 stop7h 12m

San Antonio

Sat 2/27

6:45 am-12:37 pm

1 stop4h 52m

$273

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Kentucky to San Antonio

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of December, then book flights to San Antonio from Kentucky during February instead. Flights to San Antonio in February, while not as cheap as those in December, still average around $351.

How far in advance should I book a flight from Kentucky to San Antonio?

You are more likely to see cheaper flights to San Antonio from Kentucky when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $412 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from Kentucky for as low as $357 on momondo.

Cheap Kentucky to San Antonio flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kentucky to San Antonio

Best Price Found	$100
Fastest flight time	2h 20m
Direct flights	Mon, Tue, Thu, Fri, Sat and Sun
Airports in San Antonio	1 airport

The best one-way flight to San Antonio from Kentucky in the past 72 hours is $100. The best round-trip flight deal from Kentucky to San Antonio found on momondo in the last 72 hours is $198.

The fastest flight from Kentucky to San Antonio takes 2h 20m

Direct flights go from Kentucky to San Antonio on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.

There is 1 airport in San Antonio. From Kentucky there are direct flights to San Antonio (SAT).

Search flight deals

Frequently asked questions about flying from Kentucky to San Antonio

When did momondo last update prices for flights from Kentucky to San Antonio Airport?
Prices for flights from Kentucky to San Antonio Airport are updated daily.
How many operators does momondo search for flights from Kentucky to San Antonio Airport?
There are 5 operators available for flights from Kentucky to San Antonio Airport as of September 2026.
How old do you have to be to fly from Kentucky to San Antonio Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Kentucky to San Antonio Airport.
What documentation or ID do you need to fly to San Antonio Airport?
The travel and health documents required for your trip to San Antonio Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Antonio Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Kentucky to San Antonio

Compare and see reviews for airlines that fly from Kentucky to San Antonio with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $127	Free Cancellation	Rating 7.8 8,550 reviews	Search Delta flights
American Airlines	PriceFrom $258	Free Cancellation	Rating 7.1 12,039 reviews	Search American Airlines flights
United Airlines	PriceFrom $285	Free Cancellation	Rating 7.4 10,184 reviews	Search United Airlines flights
Southwest	PriceFrom $298	Free Cancellation	Rating 8.0 4,197 reviews	Search Southwest flights

New Braunfels

Kerrville

Pleasanton

Boerne

Schertz

Why use momondo?

Why should I use momondo to find a flight deal from Kentucky to San Antonio?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Antonio from Kentucky.

Can I find flights from Kentucky to San Antonio with flexible booking policies on momondo?

momondo does allow users to show only those flights to San Antonio from Kentucky which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Kentucky to San Antonio?

Once you have performed a search for Kentucky to San Antonio flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Kentucky to San Antonio right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Kentucky to San Antonio flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Kentucky to San Antonio from $100

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kentucky to San Antonio departing on 12/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Frontier flights from Kentucky to San Antonio

Our best Frontier deals on Kentucky to San Antonio flight tickets

American Airlines flights from Kentucky to San Antonio

Our best American Airlines deals on Kentucky to San Antonio flight tickets

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How to get the cheapest flight ticket from Kentucky to San Antonio

What is the cheapest month to fly to San Antonio?

How far in advance should I book a flight from Kentucky to San Antonio?

What is the cheapest airline that flies from Kentucky to San Antonio?

What airlines fly to San Antonio?

How many flights depart from Kentucky to San Antonio on average per week?

How long does it take to fly to San Antonio?

Cheap Kentucky to San Antonio flight deals and tips

Best Price Found

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Direct flights

Airports in San Antonio

Frequently asked questions about flying from Kentucky to San Antonio

Best airlines flying from Kentucky to San Antonio

Compare and see reviews for airlines that fly from Kentucky to San Antonio with momondo

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Why use momondo?

An easier way to manage your San Antonio trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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List of cabin classes available on flights landing in San Antonio. Availability may vary depending on flight origin and airline.

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