Check the IAH Depart tab for current security wait times to plan your arrival at the airport efficiently.

Round-trip from | $148 (Kiwi.com) |
|---|---|
One-way from | $61 (Kiwi.com) |
Popular in | January |
Cheapest in | August |
Average price | $402 |
Fly from
Fly to
Route
Depart
Return
Price
HoustonSan Antonio
IAH - SAT
IAHSAT
Houston George Bush Intcntl
Thu 1/8
12:16 pm-11:52 pm
1 stop11h 36m
San Antonio
Mon 1/12
8:00 pm-6:39 pm
1 stop22h 39m
HoustonSan Antonio
IAH - SAT
IAHSAT
Houston George Bush Intcntl
Fri 2/27
11:32 am-9:18 am
1 stop21h 46m
San Antonio
Sun 3/1
3:03 pm-9:33 pm
1 stop6h 30m
HoustonSan Antonio
IAH - SAT
IAHSAT
Houston George Bush Intcntl
Sat 1/10
12:16 pm-11:52 pm
1 stop11h 36m
San Antonio
Sun 1/11
7:14 pm-10:01 am
1 stop14h 47m
HoustonSan Antonio
IAH - SAT
IAHSAT
Houston George Bush Intcntl
Wed 1/7
3:09 pm-9:40 am
2 stops18h 31m
San Antonio
Sat 1/10
10:35 am-3:08 pm
3 stops28h 33m
HoustonSan Antonio
IAH - SAT
IAHSAT
Houston George Bush Intcntl
Thu 1/8
5:05 am-9:40 am
3 stops28h 35m
San Antonio
Mon 1/12
6:30 am-7:24 pm
1 stop12h 54m
HoustonSan Antonio
HOU - SAT
HOUSAT
Houston Hobby
Thu 1/8
11:05 am-12:10 pm
Nonstop1h 05m
San Antonio
Mon 1/12
7:15 am-8:15 am
Nonstop1h 00m
HoustonSan Antonio
HOU - SAT
HOUSAT
Houston Hobby
Wed 1/7
8:30 pm-9:35 pm
Nonstop1h 05m
San Antonio
Sat 1/10
4:00 pm-5:00 pm
Nonstop1h 00m
HoustonSan Antonio
HOU - SAT
HOUSAT
Houston Hobby
Sat 1/10
11:25 am-12:30 pm
Nonstop1h 05m
San Antonio
Sun 1/11
6:00 am-7:00 am
Nonstop1h 00m
HoustonSan Antonio
IAH - SAT
IAHSAT
Houston George Bush Intcntl
Tue 2/17
11:32 am-3:14 pm
1 stop27h 42m
HoustonSan Antonio
IAH - SAT
IAHSAT
Houston George Bush Intcntl
Tue 2/17
7:35 am-8:43 am
Nonstop1h 08m
Currently, June is the cheapest month in which you can book a flight from Houston to San Antonio (average of $77). Flying from Houston to San Antonio in December is currently the most expensive (average of $222). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
When flying from Houston to San Antonio, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 30% versus a flight at noon.
Travelers seeking maximum savings on their Houston to San Antonio flight should consider departing on Wednesday at noon when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from HO1 to SAT are scheduled on a Friday (8 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).
Boarding
Crew
Comfort
Overall
Entertainment
Food
Reviews
Mike,Aug 2025
OKC - AUS
Boarding
Crew
Comfort
Overall
Entertainment
Food
Reviews
Mike,Aug 2025
OKC - AUS
Boarding
Crew
Comfort
Overall
Entertainment
Food
Reviews
Mike,Aug 2025
OKC - AUS
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$97 | Average$259 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$97 | Average$269 | FlexibilityNo cancel fee | On-time63% |