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Southwest Flights to San Antonio

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Book Southwest Flights to San Antonio

San Antonio International connects you to the Alamo, the River Walk, and Texas Hill Country. Southwest operates nonstop flights from several major cities. Book your Southwest flight to San Antonio on Mundo Trip and we'll help you compare fares and dates.

Southwest Airlines Flight Details and Travel Information for Flights to San Antonio

US Departure Airports for Southwest Flights to San Antonio

<p><span style="font-size:11pt; font-variant:normal; white-space:pre-wrap"><span style="font-family:Lexend,sans-serif"><span style="color:#000000"><span style="font-weight:700"><span style="font-style:normal"><span style="text-decoration:none">Dallas Love Field (DAL)</span></span></span></span></span></span></p>

Dallas Love Field (DAL)

Love Field to San Antonio is about 1 hour 10 minutes nonstop. Very frequent daily service on this short intra-Texas route. Fares can drop to $49 one-way.

<p><span style="font-size:11pt; font-variant:normal; white-space:pre-wrap"><span style="font-family:Lexend,sans-serif"><span style="color:#000000"><span style="font-weight:700"><span style="font-style:normal"><span style="text-decoration:none">Denver International Airport (DEN)</span></span></span></span></span></span></p>

Denver International Airport (DEN)

Denver to San Antonio takes about 2 hours 30 minutes nonstop. Southwest offers daily flights linking the Mountain West to South Texas.

<p><span style="font-size:11pt; font-variant:normal; white-space:pre-wrap"><span style="font-family:Lexend,sans-serif"><span style="color:#000000"><span style="font-weight:700"><span style="font-style:normal"><span style="text-decoration:none">Houston Hobby Airport (HOU)</span></span></span></span></span></span></p>

Houston Hobby Airport (HOU)

Hobby to San Antonio is about 55 minutes nonstop, one of the shortest flights in the Southwest network. Very frequent daily service.

<p><span style="font-size:11pt; font-variant:normal; white-space:pre-wrap"><span style="font-family:Lexend,sans-serif"><span style="color:#000000"><span style="font-weight:700"><span style="font-style:normal"><span style="text-decoration:none">Chicago Midway International Airport (MDW)</span></span></span></span></span></span></p>

Chicago Midway International Airport (MDW)

Midway to San Antonio runs about 2 hours 40 minutes nonstop. Daily flights connect the Midwest with South Texas.

<p><span style="font-size:11pt; font-variant:normal; white-space:pre-wrap"><span style="font-family:Lexend,sans-serif"><span style="color:#000000"><span style="font-weight:700"><span style="font-style:normal"><span style="text-decoration:none">Las Vegas Harry Reid International Airport (LAS)</span></span></span></span></span></span></p>

Las Vegas Harry Reid International Airport (LAS)

Las Vegas to San Antonio takes about 3 hours nonstop. Daily service makes it a solid connection for West Coast travelers.

<p><span style="font-size:11pt; font-variant:normal; white-space:pre-wrap"><span style="font-family:Lexend,sans-serif"><span style="color:#000000"><span style="font-weight:700"><span style="font-style:normal"><span style="text-decoration:none">Baltimore/Washington International Airport (BWI)</span></span></span></span></span></span></p>

Baltimore/Washington International Airport (BWI)

BWI to San Antonio is roughly 3 hours 30 minutes nonstop. An important East Coast connection for travelers heading to South Texas.

San Antonio Airport Arrival Guide for Southwest Flights

  • Terminal: Southwest operates from Terminal B at San Antonio International Airport

  • Transport to Downtown: VIA bus Route 5 runs to downtown in about 35 minutes for $1.30; taxi/rideshare about $20 to $25

  • Rental Cars: Rental car agencies are located on the ground level of the terminal

  • Transfer Time to the River Walk: About 15 to 20 minutes by car from the airport


Ground transportation options from San Antonio International Airport include VIA bus Route 5 ($1.30 to downtown, about 35 minutes), taxis, rideshare, rental cars.

Book Southwest Flights to San Antonio

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Best Time to Book Southwest Flights to San Antonio

1

Cheapest Months to Travel

January, September, early November tend to have the lowest fares for Southwest flights to San Antonio. Demand drops off and you'll find better seat availability during these months.

2

Peak Travel Seasons to Avoid

Fiesta San Antonio (April), spring break, summer family travel season, and holiday periods all push fares higher.

3

Best Time to Book

3 to 6 weeks ahead for most routes. For Fiesta or holiday travel, book 2 to 3 months in advance.

4

Midweek Advantage

Tuesdays and Wednesdays are consistently cheapest on most routes.

5

Time Zone

San Antonio is in the Central Time (CT) zone, which is -1 hr from New York (ET) and +2 hrs from Los Angeles (PT).

What Seat Options Are Available on Southwest Flights to San Antonio?

Preferred seats sit between the front and middle of the cabin with standard legroom. Their forward position means quicker boarding and easier overhead bin access. Included with the Choice Preferred fare.

Standard seats are located toward the back of the cabin with 31 inches of pitch. Assigned at check-in for Basic fares or selectable at booking with the Choice fare. Same seat, just further back.

Southwest offers four fare bundles for flights to San Antonio. Basic is the cheapest with a seat assigned at check-in. Choice lets you pick a Standard seat when you book. Choice Preferred adds a Preferred seat and refundability. Choice Extra is the top tier with an Extra Legroom seat, two free checked bags, and the highest Rapid Rewards points earning rate. Mundo Trip can help you compare these options for your specific trip.

Frequently Asked Questions 

Does Southwest fly nonstop to San Antonio?

When are the cheapest flights to San Antonio?

Does Southwest charge for checked bags to San Antonio?

What terminal does Southwest use at San Antonio?

How far is San Antonio airport from the River Walk?

Can I fly Southwest from San Antonio to the beach?

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