$119 Cheap Flights from Monroe (MLU) to San Antonio (SAT)

View $119 flight on Mon, Sep 29, 2025Opens in a new window

Popular airlines from Monroe, LA (MLU-Monroe Regional) to San Antonio International Airport (SAT)

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Cheap Flights from Monroe to San Antonio (MLU-SAT)

Prices were available within the past 7 days and start at $119 for one-way flights and $238 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Sep 29 - Thu, Oct 2
MLU
Monroe
SAT
San Antonio
$238 Roundtrip, found 3 days ago
$238
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Sep 29 from Monroe to San Antonio, returning Thu, Oct 2, priced at $238 found 3 days ago
American Airlines
Mon, Aug 4 - Mon, Aug 11
MLU
Monroe
SAT
San Antonio
$243 Roundtrip, found 7 hours ago
$243
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Mon, Aug 4 from Monroe to San Antonio, returning Mon, Aug 11, priced at $243 found 7 hours ago
American Airlines
Sat, Jul 26 - Wed, Jul 30
MLU
Monroe
SAT
San Antonio
$258 Roundtrip, found 2 days ago
$258
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Jul 26 from Monroe to San Antonio, returning Wed, Jul 30, priced at $258 found 2 days ago
American Airlines
Sat, Jul 26 - Sun, Jul 27
MLU
Monroe
SAT
San Antonio
$268 Roundtrip, found 17 hours ago
$268
Roundtrip
found 17 hours ago
Select American Airlines flight, departing Sat, Jul 26 from Monroe to San Antonio, returning Sun, Jul 27, priced at $268 found 17 hours ago
American Airlines
Fri, Aug 29 - Mon, Sep 1
MLU
Monroe
SAT
San Antonio
$298 Roundtrip, found 3 hours ago
$298
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Fri, Aug 29 from Monroe to San Antonio, returning Mon, Sep 1, priced at $298 found 3 hours ago
American Airlines
Mon, Aug 4 - Mon, Aug 11
MLU
Monroe
SAT
San Antonio
$303 Roundtrip, found 7 hours ago
$303
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Mon, Aug 4 from Monroe to San Antonio, returning Mon, Aug 11, priced at $303 found 7 hours ago
American Airlines
Sat, Aug 2 - Mon, Aug 4
MLU
Monroe
SAT
San Antonio
$308 Roundtrip, found 2 days ago
$308
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Aug 2 from Monroe to San Antonio, returning Mon, Aug 4, priced at $308 found 2 days ago
American Airlines
Wed, Oct 15 - Sat, Oct 18
MLU
Monroe
SAT
San Antonio
$311 Roundtrip, found 5 days ago
$311
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Oct 15 from Monroe to San Antonio, returning Sat, Oct 18, priced at $311 found 5 days ago
American Airlines
Sat, Jul 26 - Wed, Jul 30
MLU
Monroe
SAT
San Antonio
$318 Roundtrip, found 2 days ago
$318
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Jul 26 from Monroe to San Antonio, returning Wed, Jul 30, priced at $318 found 2 days ago
Delta
Tue, Oct 21 - Mon, Oct 27
MLU
Monroe
SAT
San Antonio
$447 Roundtrip, found 22 hours ago
$447
Roundtrip
found 22 hours ago
Select Delta flight, departing Tue, Oct 21 from Monroe to San Antonio, returning Mon, Oct 27, priced at $447 found 22 hours ago

Find the cheapest month to fly from Monroe (MLU) to San Antonio (SAT)

May is typically the cheapest month to fly

From $228 - $689 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 $243
SAT
San Antonio Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $243
Flights from Monroe (MLU) to San Antonio (SAT)
Origin airport
Monroe Regional
Destination airport
San Antonio Intl.
Airlines serving
American Airlines, Delta
Roundtrip price
$238
Distance
432 mi

Monroe to San Antonio Flights

The cheapest times to fly from Monroe 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 Monroe to San Antonio are during the month of September. You can find some of the cheapest flights from Monroe to San Antonio with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Monroe to San Antonio

Sunday is one of the best days to book for cheap flights from Monroe 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 Monroe 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 Monroe to San Antonio in 2025. You can also book with separate airlines for your outbound and return journeys, from $119 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 Monroe 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 Monroe 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 Monroe Regional Airport (MLU) to San Antonio Intl. Airport (SAT) cost?
Discover the latest flight deals from MLU to SAT by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from MLU to SAT?
The cheapest flights from MLU 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.
What is the cheapest airline that flies from MLU to SAT?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from MLU to SAT. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Monroe Regional Airport (MLU) to San Antonio Intl. Airport (SAT)?
Direct flights from Monroe Regional Airport (MLU) to San Antonio Intl. Airport (SAT) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from MLU to SAT?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change based on a range of factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Monroe Regional Airport (MLU) to San Antonio Intl. Airport (SAT)?
To avoid potential delays on the Monroe Regional Airport (MLU) to San Antonio Intl. Airport (SAT) route, travel before 3 PM. Later departures have a 22% higher chance of being canceled.**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.
Is it cheaper to buy a plane ticket from Monroe Regional Airport (MLU) to San Antonio Intl. Airport (SAT) last-minute?
Waiting until right before your break to book a ticket from MLU to SAT often results in higher prices. Although you may find some last-minute discounts, they aren't always guaranteed. Be flexible with your itinerary for the best chance of landing a bargain.
Is it cheaper to book a MLU to SAT flight and hotel package?
Compared with arranging hotels and flights separately, booking a MLU to SAT flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one convenient place takes the hassle out of travel planning. Just secure your flights and choose from our wide range of stays, then personalize your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Monroe Regional Airport (MLU) to San Antonio Intl. Airport (SAT)?
In most instances, you can cancel or modify your MLU to SAT flight. However, there may be additional charges, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you'd like more information, head to our Customer Service portal.

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*Available to One Key members.