Are direct flights from Houston to San Antonio always the best option?

Direct flights offer convenience by minimizing travel time and avoiding layovers. However, they are not always the most economical choice. Flights with connections can sometimes be more affordable, depending on the route and timing.

Can flexible travel dates help on Houston to San Antonio flights?

Yes, being flexible with your travel dates can significantly impact flight prices. Mid-week travel or flying during off-peak seasons often results in lower fares. Adjusting your departure or return by even a day or two may reveal cheaper options.

What extra costs should I check before booking Houston to San Antonio flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight services. Some airlines may also charge for printing boarding passes at the airport. Factor these into your total travel budget.

Flights From Houston

To San Antonio

Cheap Flights from Houston to San Antonio

Browse current best options from Houston. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Houston

RatePunk searches hundreds of travel sites at once for deals on flights to San Antonio

Prices updated 6 days ago

483 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Oct 27, 2026.)

Today’s best flight deals from Houston to San Antonio

Explore current cheapest deals departing from Houston to San Antonio

2026-11-19 – 2026-11-23
HOU - San Antonio
74% AI deal score
$197
$117
Round trip
2026-12-10 – 2026-12-17
HOU - San Antonio
73% AI deal score
$192
$117
Round trip
2026-12-16 – 2026-12-17
HOU - San Antonio
74% AI deal score
$202
$117
Round trip
2026-12-17 – 2026-12-21
HOU - San Antonio
74% AI deal score
$200
$117
Round trip
2026-12-04 – 2026-12-06
HOU - San Antonio
70% AI deal score
$203
$137
Round trip
2026-12-11 – 2026-12-13
HOU - San Antonio
70% AI deal score
$203
$137
Round trip
2026-12-08 – 2026-12-16
HOU - San Antonio
43% AI deal score
$239
$208
Round trip
2026-12-15 – 2026-12-16
HOU - San Antonio
45% AI deal score
$266
$208
Round trip
2026-11-18 – 2026-12-07
HOU - San Antonio
37% AI deal score
$182
$211
Round trip
2026-11-18 – 2026-12-14
HOU - San Antonio
37% AI deal score
$181
$211
Round trip

Houston to San Antonio: Overview

Insights for flights from Houston to San Antonio

The distance between Houston and San Antonio is 309 km, making this a short-haul route. For cheap flights from Houston to San Antonio, right now, fares are significantly below the typical level. The price character for this route typically ranges from $963–$1190, with a median of $1075. Currently, 0% of recent fares are classified as a good price, indicating that exceptional deals are not common.

When is the cheapest time to fly from Houston to San Antonio? The data shows that December is the cheapest month to fly, with a median fare of $200. Other relatively inexpensive months include October, with a median fare of $1064, and September, where the median fare is $1165.

A typical journey from Houston to San Antonio takes 1h 9m, including connections. Most itineraries on this route connect at least once, with only 24.2% of recent fares being non-stop. This means you will likely encounter one or more stops on your trip.

How much is a round trip from Houston to San Antonio

Regular price: $186 - $399

Prices for flights from Houston to San Antonio are currently within the regular range.

The regular price range for flights from Houston to San Antonio is between $186 and $399. The current lowest deal is $224 with Frontier Airlines for travel from Nov 14-Nov 15.

now $224

Low $186

High $399

The cheapest time to fly from Houston to San Antonio

The cheapest month to fly from Houston to San Antonio is December, with a median price of $200. The most expensive month is September, with a median price of $1165. Prices are generally lower from October to December.

December

Cheapest

Flights from $200

September

Most Expensive

Flights from $1,165

Sep

Oct

Dec

Direct flights from Houston to San Antonio

United Airlines

Last-minute flights going from Houston to San Antonio

Fri, Nov 6

⌛ Last-Minute

IAH - San Antonio

Houston (IAH) - San Antonio (SAT)

Aeroenlaces Nacionales

$271

$509

One-way

Tue, Nov 10

⌛ Last-Minute

IAH - San Antonio

Houston (IAH) - San Antonio (SAT)

Frontier Airlines

$245

$382

One-way

Fri, Nov 13

⌛ Last-Minute

IAH - San Antonio

Houston (IAH) - San Antonio (SAT)

Frontier Airlines

$237

$421

One-way

Tue, Nov 17

⌛ Last-Minute

IAH - San Antonio

Houston (IAH) - San Antonio (SAT)

Frontier Airlines

$181

$221

One-way

Tue, Nov 17

⌛ Last-Minute

IAH - San Antonio

Houston (IAH) - San Antonio (SAT)

Frontier Airlines

$191

$225

One-way

Tue, Nov 17

⌛ Last-Minute

IAH - San Antonio

Houston (IAH) - San Antonio (SAT)

Frontier Airlines

$187

$225

One-way

Biggest price drops on these dates for flights from Houston to San Antonio

1 night

Dec 15 - Dec 16

$266 → $242

1 night

Nov 14 - Nov 15

$233 → $224

2 nights

Nov 14 - Nov 16

$233 → $226

7 nights

Dec 9 - Dec 16

$250 → $248

Popular Airports to fly from Houston to San Antonio

Houston - San Antonio route insights

💸 Price insights

Recent fares are below the typical level.

Recent fares from Houston to San Antonio are below the typical level of $1075.

📅 Best time to fly

December is historically the cheapest month to fly.

Historically, December is the cheapest month to fly, with a median price of $200.

⏱️ Flight duration

Direct flights take 1h 9m.

The median flight duration for a direct flight from Houston to San Antonio is 1h 9m.

✈️ Airlines & availability

Connecting flights are dominant on this route.

Connecting flights make up 75.8% of options, indicating they are dominant on this route.

🏆 Airline highlight

Frontier Airlines has a recent deal for $224.

A recent deal from Frontier Airlines offers a flight for $224 from Houston to San Antonio.

🎯 Booking tip

Deals on this route are rare.

Deals from Houston to San Antonio are rare, so consider booking when you see a good price.

Houston main airports to depart from

George Bush Intercontinental (IAH)

Cheapest

George Bush Intercontinental Airport serves Houston and is a good option for flights to San Antonio.

📍 ~25 km from Houston city center (reachable by car or bus)

💸 Flights from ~$117

San Antonio main airports to arrive at

San Antonio International (SAT)

Cheapest

San Antonio International Airport is a convenient arrival choice for flights from Houston to San Antonio.

📍 ~12 km from San Antonio (reachable by car)

💸 Flights from ~$117

Airports nearby San Antonio used as alternative

Austin–Bergstrom International (AUS)

Cheapest

Austin–Bergstrom International is a major hub with an extensive flight network, offering many flight options.

📍 ~120 km from San Antonio (reachable by car)

💸 Flights from ~$91

Business & First Class Flight Deals to San Antonio

Discover luxury on the budget with premium cabin class on flights from Houston to San Antonio.

Elite

Best Elite deals to San Antonio

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From IAH

Elite

Dec 08

San Antonio, United States

39% AI deal score

$2,805

Aeroméxico, +1

Business Class

From IAH

Elite

Nov 24

San Antonio, United States

39% AI deal score

$2,883

Aeroméxico, +1

Business Class

From IAH

Elite

Nov 17

San Antonio, United States

39% AI deal score

$2,900

Aeroméxico, +1

Business Class

From IAH

Elite

Dec 05

San Antonio, United States

39% AI deal score

$2,901

Aeroméxico, +1

Business Class

From IAH

Elite

Dec 09

San Antonio, United States

39% AI deal score

$2,907

Aeroméxico, +1

Business Class

From IAH

Elite

Nov 24

San Antonio, United States

39% AI deal score

$2,912

Aeroméxico, +1

Business Class

From IAH

Elite

Nov 26

San Antonio, United States

39% AI deal score

$2,913

Aeroméxico, +1

Business Class

From IAH

Elite

Nov 27

San Antonio, United States

39% AI deal score

$2,925

Aeroméxico, +1

Business Class

From IAH

Elite

Dec 04

San Antonio, United States

39% AI deal score

$2,925

Aeroméxico, +1

Business Class

From IAH

Elite

Nov 17

San Antonio, United States

39% AI deal score

$2,929

Aeroméxico, +1

Business Class

From IAH

Elite

Dec 05

San Antonio, United States

39% AI deal score

$2,930

Aeroméxico, +1

Business Class

From IAH

Elite

Dec 08

San Antonio, United States

39% AI deal score

$2,939

Aeroméxico, +1

Business Class

Frequently Asked Questions About Flights to San Antonio

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across various airlines and booking sites can also help identify better deals. Looking into different departure or arrival airports in the region may sometimes present additional options.

Booking flights in advance often provides more options and potentially better prices. However, last-minute deals can sometimes appear, so it's wise to monitor price trends. There isn't a single 'best' time, as prices can fluctuate based on various factors.

Yes, comparing nearby airports can sometimes uncover different flight options or prices. While it may add to your ground travel, the potential savings on airfare could be worthwhile. Always consider the total cost and convenience when evaluating this option.

Related routes

More routes from Houston

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Flights to San Antonio from other cities

Flights from Indianapolis to San Antonio Flights from Istanbul to San Antonio Flights from Kansas City to San Antonio Flights from Las Vegas to San Antonio Flights from Los Angeles to San Antonio Flights from Miami to San Antonio Flights from New Orleans to San Antonio Flights from New York to San Antonio Flights from Orlando to San Antonio Flights from Philadelphia to San Antonio Flights from Phoenix to San Antonio Flights from Pittsburgh to San Antonio

Houston to San Antonio: Overview

Insights for flights from Houston to San Antonio

How much is a round trip from Houston to San Antonio

Regular price: $186 - $399

Prices for flights from Houston to San Antonio are currently within the regular range.

The regular price range for flights from Houston to San Antonio is between $186 and $399. The current lowest deal is $224 with Frontier Airlines for travel from Nov 14-Nov 15.

now $224

Low $186

High $399

The cheapest time to fly from Houston to San Antonio

December

Cheapest

Flights from $200

September

Most Expensive

Flights from $1,165

Sep

Oct

Dec

Direct flights from Houston to San Antonio

United Airlines

Last-minute flights going from Houston to San Antonio

Fri, Nov 6

⌛ Last-Minute

IAH - San Antonio

Houston (IAH) - San Antonio (SAT)

Aeroenlaces Nacionales

$271

$509

One-way

Tue, Nov 10

⌛ Last-Minute

IAH - San Antonio

Houston (IAH) - San Antonio (SAT)

Frontier Airlines

$245

$382

One-way

Fri, Nov 13

⌛ Last-Minute

IAH - San Antonio

Houston (IAH) - San Antonio (SAT)

Frontier Airlines

$237

$421

One-way

Tue, Nov 17

⌛ Last-Minute

IAH - San Antonio

Houston (IAH) - San Antonio (SAT)

Frontier Airlines

$181

$221

One-way

Tue, Nov 17

⌛ Last-Minute

IAH - San Antonio

Houston (IAH) - San Antonio (SAT)

Frontier Airlines

$191

$225

One-way

Tue, Nov 17

⌛ Last-Minute

IAH - San Antonio

Houston (IAH) - San Antonio (SAT)

Frontier Airlines

$187

$225

One-way

Biggest price drops on these dates for flights from Houston to San Antonio

1 night

Dec 15 - Dec 16

$266 → $242

1 night

Nov 14 - Nov 15

$233 → $224

2 nights

Nov 14 - Nov 16

$233 → $226

7 nights

Dec 9 - Dec 16

$250 → $248

Popular Airports to fly from Houston to San Antonio

Houston - San Antonio route insights

💸 Price insights

Recent fares are below the typical level.

Recent fares from Houston to San Antonio are below the typical level of $1075.

📅 Best time to fly

December is historically the cheapest month to fly.

Historically, December is the cheapest month to fly, with a median price of $200.

⏱️ Flight duration

Direct flights take 1h 9m.

The median flight duration for a direct flight from Houston to San Antonio is 1h 9m.

✈️ Airlines & availability

Connecting flights are dominant on this route.

Connecting flights make up 75.8% of options, indicating they are dominant on this route.

🏆 Airline highlight

Frontier Airlines has a recent deal for $224.

A recent deal from Frontier Airlines offers a flight for $224 from Houston to San Antonio.

🎯 Booking tip

Deals on this route are rare.

Deals from Houston to San Antonio are rare, so consider booking when you see a good price.

Houston main airports to depart from

George Bush Intercontinental (IAH)

Cheapest

George Bush Intercontinental Airport serves Houston and is a good option for flights to San Antonio.

📍 ~25 km from Houston city center (reachable by car or bus)

💸 Flights from ~$117

San Antonio main airports to arrive at

San Antonio International (SAT)

Cheapest

San Antonio International Airport is a convenient arrival choice for flights from Houston to San Antonio.

📍 ~12 km from San Antonio (reachable by car)

💸 Flights from ~$117

Airports nearby San Antonio used as alternative

Austin–Bergstrom International (AUS)

Cheapest

Austin–Bergstrom International is a major hub with an extensive flight network, offering many flight options.

📍 ~120 km from San Antonio (reachable by car)

💸 Flights from ~$91

San Antonio, United States

39% AI deal score

$2,939

Aeroméxico, +1

Business Class

Frequently Asked Questions About Flights to San Antonio

Cheap Flights from Houston to San Antonio

Today’s best flight deals from Houston to San Antonio

Houston to San Antonio: Overview

Insights for flights from Houston to San Antonio

How much is a round trip from Houston to San Antonio

The cheapest time to fly from Houston to San Antonio

Direct flights from Houston to San Antonio

Last-minute flights going from Houston to San Antonio

Biggest price drops on these dates for flights from Houston to San Antonio

Popular Airports to fly from Houston to San Antonio

Houston - San Antonio route insights

Recent fares are below the typical level.

December is historically the cheapest month to fly.

Direct flights take 1h 9m.

Connecting flights are dominant on this route.

Frontier Airlines has a recent deal for $224.

Deals on this route are rare.

Houston main airports to depart from

San Antonio main airports to arrive at

Airports nearby San Antonio used as alternative

Business & First Class Flight Deals to San Antonio

Best Elite deals to San Antonio

Dec 08

Nov 24

Nov 17

Dec 05

Dec 09

Nov 24

Nov 26

Nov 27

Dec 04

Nov 17

Dec 05

Dec 08

Frequently Asked Questions About Flights to San Antonio

How can I find cheap flights from Houston to San Antonio?

When should I book flights from Houston to San Antonio?

Should I compare nearby airports for flights from Houston to San Antonio?

Are direct flights from Houston to San Antonio always the best option?

Can flexible travel dates help on Houston to San Antonio flights?

What extra costs should I check before booking Houston to San Antonio flights?

Related routes

More routes from Houston

Flights to San Antonio from other cities

Houston to San Antonio: Overview

Insights for flights from Houston to San Antonio

How much is a round trip from Houston to San Antonio

The cheapest time to fly from Houston to San Antonio

Direct flights from Houston to San Antonio

Last-minute flights going from Houston to San Antonio

Biggest price drops on these dates for flights from Houston to San Antonio

Popular Airports to fly from Houston to San Antonio

Houston - San Antonio route insights

Recent fares are below the typical level.

December is historically the cheapest month to fly.

Direct flights take 1h 9m.

Connecting flights are dominant on this route.

Frontier Airlines has a recent deal for $224.

Deals on this route are rare.

Houston main airports to depart from

San Antonio main airports to arrive at

Airports nearby San Antonio used as alternative

Business & First Class Flight Deals to San Antonio

Best Elite deals to San Antonio

Dec 08

Nov 24

Nov 17

Dec 05

Dec 09

Nov 24

Nov 26

Nov 27

Dec 04

Nov 17

Dec 05

Dec 08

Frequently Asked Questions About Flights to San Antonio

How can I find cheap flights from Houston to San Antonio?

When should I book flights from Houston to San Antonio?

Should I compare nearby airports for flights from Houston to San Antonio?