Cheap flights from Louisville to San Antonio from $117
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to San Antonio departing on 7/21. 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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Southwest flights from Louisville to San Antonio
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How to get the cheapest flight ticket from Louisville 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
What is the cheapest month to fly to San Antonio?
If you aren’t able to travel during the month of August, then book flights to San Antonio from Louisville during September instead. Flights to San Antonio in September, while not as cheap as those in August, still average around $331.
What is the cheapest day to depart on your flight to San Antonio?
The cheapest day to depart on your flight to San Antonio is on a Saturday when prices can be found for as low as $322. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Monday is $428.
What is the cheapest time of day to depart on your flight to San Antonio?
According to our data, the cheapest time of day to fly to San Antonio is in the evening. momondo users have found flights departing from Louisville to San Antonio in the evening for as low as $348. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly at noon, with an average ticket price of $422. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.
How far in advance should I book a flight to San Antonio?
You are more likely to see cheaper flights to San Antonio from Louisville when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $370 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from Louisville for as low as $268 on momondo.
What is the cheapest airline that flies from Louisville Intl to San Antonio?
Delta, Spirit Airlines, and Southwest are the most popular carriers operating from Louisville Intl to San Antonio
What airlines fly to San Antonio?
American Airlines, Delta and Allegiant Air are the top three most popular airlines that fly to San Antonio from Louisville according to our data. American Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to San Antonio. Keep in mind that there are 7 different airlines that fly to San Antonio on a routine basis, so you have a few additional options to choose from.
When to book flights from Louisville to San Antonio
Cheap Louisville to San Antonio (SDF to SAT) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Louisville to San Antonio
How far is Louisville Intl to San Antonio by plane?
A flight from Louisville Intl to San Antonio will travel around 949.7 mi. 4h 42m is a normal flight duration for this route.
When did momondo last update prices for flights from Louisville Intl Airport to San Antonio Airport?
Prices for flights from Louisville Intl Airport to San Antonio Airport were last updated today.
How many operators does momondo search for flights from Louisville Intl Airport to San Antonio Airport?
As of June 2025, there are 5 operators available to choose from for flights from Louisville Intl Airport to San Antonio Airport.
How old do you have to be to fly from Louisville Intl Airport 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 Louisville Intl Airport to San Antonio Airport.
What documentation or ID do you need to fly to San Antonio Airport?
The required travel and health documents for your San Antonio Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Antonio Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Louisville to San Antonio?
Based on momondo bookings for flights between Louisville and San Antonio, the leading airline is American Airlines, making up 44% of the total bookings. Other popular airlines include United Airlines with 18%, Southwest with 17%, and Delta with 16%.
Best airlines flying from Louisville to San Antonio
Compare and see reviews for airlines that fly from Louisville to San Antonio with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $211 | Free Cancellation | Rating 6.3 8,066 reviews | |||
| PriceFrom $266 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $266 | Free Cancellation | Rating 8.0 7,964 reviews | |||
| PriceFrom $291 | Free Cancellation | Rating 7.4 8,810 reviews | |||
| PriceFrom $312 | Free Cancellation | Rating 8.0 4,280 reviews |
Southwest Flights From Louisville to San Antonio
Southwest flies from Louisville to San Antonio around 3 times per week, with 4,280 momondo users rating the airline 8.0/10. The cheapest Southwest deal from Louisville to San Antonio in the last 72 hours was $312 (round-trip), much lower than the average airfare cost of $401 for Southwest flights on this route.
Traveling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Louisville to San Antonio?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Louisville to San Antonio for you.
Can I find flights from Louisville to San Antonio with flexible booking policies on momondo?
momondo does allow users to show only those flights to San Antonio from Louisville which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Louisville to San Antonio?
momondo helps you find the best flight between Louisville and San Antonio by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Louisville to San Antonio right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Louisville to San Antonio flights. All you need is a valid email address and we will do the rest; it is that quick and easy.