- Must visit
The Alamo Exhibit at the Ralston Family Collections Center
Modern museum displaying artifacts and interpretation related to the Battle of the Alamo and Texas history, complementing the historic mission site.
Flights from St. Louis, MO to San Antonio, TX depart on average 48 times per day, taking around 5h 23m. Cheap flight tickets for this journey start at $107 (€87) if you book in advance.
There are 1 flights per day. The earliest flight runs at 05:00, the last at 21:35. The fastest flight covers the 792 miles (1276 km) distance in 4h 16m. August is the cheapest month to fly.
Distance 792 miles (1276 km) |
Average flight duration 5h 23m |
Cheapest ticket price $107 (€87) |
Flights per day 48 |
Direct flights 1 |
Fastest flight 4h 16m |
First flight 5:00 AM |
Last flight 9:35 PM |
Cheapest Month Aug |
Cheapest Day Thu |
High Season Jan - Mar |
Low Season Jul - Sep |
Busiest Day Sat |
Least Busy Day Sat |
Best time to book 84 days |
Cheapest price
$527
Average price
$786
Fastest journey
3 h 48 m
Average duration
4 h 16 m
Flights per day
92
Distance
1276 km
The best way to find a cheap flight ticket from St. Louis, MO to San Antonio, TX is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from St. Louis, MO to San Antonio, TX will cost around $786 if you buy it on the day, but the cheapest tickets can be found for only $527.
It's difficult to get from St. Louis, MO to San Antonio, TX without transferring at least once.
AA2717 · AA1258
AA2712 · AA3097
AA2491 · AA1599
AA1410 · AA1539
AA2712 · AA546
AA2712 · AA546
UA6284 · UA2198
AA2374+
AA5655
UA6213 · UA697
AA2261 · AA413Omio recommends booking the train as it is the most popular option from St. Louis, MO to San Antonio, TX among Omio's users. If you are prioritising price take the train with prices starting from $117. For those with little time consider booking a flight which can get you there in 5h 23m. In case you are seeking to minimise your carbon footprint the train is your best bet as it emits only 0.4 - 1.1kg. The ticket price range depends on the travel mode: a train costs an average of $117, and a flight costs an average of $107.
Distance: 792 miles (1276 km)
| Flight | Most popular Train | Bus | Driving |
|---|---|---|---|
$234 Average price | $166 Average price Cheapest | $179 Average price | $238 Average price (fuel + tolls) |
8h 23m Average total duration Fastest 5h 23m Onboard + 3h 0m Additional time* | 26h 58m Average total duration 26h 28m Onboard + 30m Additional time* | 22h 12m Average total duration 21h 42m Onboard + 30m Additional time* | 13h 48m Average total duration (door-to-door) |
3.8 - 7.7kg CO2 emissions | 0.4 - 1.1kg CO2 emissions Lowest | 1.3 - 3.2kg CO2 emissions | - CO2 emissions |
Direct Options | Direct Options | Direct Options | Direct Options |
Additional time: Average total travel duration to departure point, security checks and transfers.
This is compared to other travel options from St. Louis, MO to San Antonio, TX:
A train is $13 (€10) less than a bus for this route with tickets for a bus from St. Louis, MO to San Antonio, TX costing on average $179 (€146).
A train is $68 (€56) less than a flight for this route with tickets for a flight from St. Louis, MO to San Antonio, TX costing on average $234 (€191).
Other travel options to San Antonio, TX take longer:
Bus takes on average 21h 42m.
Train takes on average 26h 28m.
The table below shows live departures for St. Louis, MO to San Antonio, TX flights for today, Saturday, June 6. You can also manually refresh the results below to see updated flight journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
![]() | 7:12 PM St. Louis, MO | 8h53 | 4:05 AM San Antonio, TX | 0 transfersDirect | |
![]() | 11:50 PM St. Louis, MO | 4h17 | 4:07 AM San Antonio, TX | 0 transfersDirect | |
| Sunday, June 7 | |||||
UA362 · UA2625 | 5:10 AM St. Louis Lambert International Airport | 7h33 | 12:43 PM San Antonio International Airport | 1 transfer | |
AA858 · AA1276 · AA1539 | 5:14 AM St. Louis Lambert International Airport | 9h42 | 2:56 PM San Antonio International Airport | 2 transfers | |
AA858 · AA1276 · AA2374 | 5:14 AM St. Louis Lambert International Airport | 12h26 | 5:40 PM San Antonio International Airport | 2 transfers | |
AA858 · AA1276+ AA3777 | 5:14 AM St. Louis Lambert International Airport | 10h40 | 3:54 PM San Antonio International Airport | 2 transfers | |
AA2261 · AA1539 | 5:29 AM St. Louis Lambert International Airport | 9h27 | 2:56 PM San Antonio International Airport | 1 transfer | |
AA2261 · AA413 | 5:29 AM St. Louis Lambert International Airport | 4h30 | 9:59 AM San Antonio International Airport | 1 transfer | |
AA2261 · AA2374 | 5:29 AM St. Louis Lambert International Airport | 12h11 | 5:40 PM San Antonio International Airport | 1 transfer | |
AA2261+ AA3777 | 5:29 AM St. Louis Lambert International Airport | 10h25 | 3:54 PM San Antonio International Airport | 1 transfer | |
AA2261+ AA4084 | 5:29 AM St. Louis Lambert International Airport | 7h44 | 1:13 PM San Antonio International Airport | 1 transfer | |
UA2104 · UA515 | 6:00 AM St. Louis Lambert International Airport | 9h21 | 3:21 PM San Antonio International Airport | 1 transfer | |
AA1623 · AA499+ AA5015 | 6:00 AM St. Louis Lambert International Airport | 13h40 | 7:40 PM San Antonio International Airport | 2 transfers | |
AA1623 · AA2374+ AA5015 | 6:00 AM St. Louis Lambert International Airport | 11h40 | 5:40 PM San Antonio International Airport | 2 transfers | |
UA1008 · UA202 | 6:00 AM St. Louis Lambert International Airport | 6h12 | 12:12 PM San Antonio International Airport | 1 transfer | |
AA1623 · AA546+ AA5015 | 6:00 AM St. Louis Lambert International Airport | 15h06 | 9:06 PM San Antonio International Airport | 2 transfers | |
UA6283 · UA6201 | 6:14 AM St. Louis Lambert International Airport | 4h32 | 10:46 AM San Antonio International Airport | 1 transfer | |
AA2324 · AA2486 | 7:00 AM St. Louis Lambert International Airport | 7h05 | 2:05 PM San Antonio International Airport | 1 transfer | |
AA537 · AA1539 | 7:04 AM St. Louis Lambert International Airport | 7h52 | 2:56 PM San Antonio International Airport | 1 transfer | |
AA537 · AA1539 | 7:04 AM St. Louis Lambert International Airport | 7h52 | 2:56 PM San Antonio International Airport | 1 transfer | |
AA537 · AA2374 | 7:04 AM St. Louis Lambert International Airport | 10h36 | 5:40 PM San Antonio International Airport | 1 transfer | |
AA537+ AA3777 | 7:04 AM St. Louis Lambert International Airport | 8h50 | 3:54 PM San Antonio International Airport | 1 transfer | |
AA537+ AA4084 | 7:04 AM St. Louis Lambert International Airport | 6h09 | 1:13 PM San Antonio International Airport | 1 transfer | |
UA4423 · UA723 · UA697 | 7:22 AM St. Louis Lambert International Airport | 8h17 | 3:39 PM San Antonio International Airport | 2 transfers | |
AA712 · AA1285 · AA546 | 7:30 AM St. Louis Lambert International Airport | 13h36 | 9:06 PM San Antonio International Airport | 2 transfers | |
AA712 · AA1285 · AA499 | 7:30 AM St. Louis Lambert International Airport | 12h10 | 7:40 PM San Antonio International Airport | 2 transfers | |
AA712 · AA1285 · AA2374 | 7:30 AM St. Louis Lambert International Airport | 10h10 | 5:40 PM San Antonio International Airport | 2 transfers | |
UA4567 · UA723 · UA697 | 8:10 AM St. Louis Lambert International Airport | 7h29 | 3:39 PM San Antonio International Airport | 2 transfers | |
UA4567 · UA2844 | 8:10 AM St. Louis Lambert International Airport | 8h20 | 4:30 PM San Antonio International Airport | 1 transfer | |
UA4028 · UA6202 | 8:35 AM St. Louis Lambert International Airport | 4h42 | 1:17 PM San Antonio International Airport | 1 transfer | |
AA3194 · AA2374 | 8:36 AM St. Louis Lambert International Airport | 9h04 | 5:40 PM San Antonio International Airport | 1 transfer | |
AA3194 · AA1539 | 8:36 AM St. Louis Lambert International Airport | 6h20 | 2:56 PM San Antonio International Airport | 1 transfer | |
AA3194 · AA1539 | 8:36 AM St. Louis Lambert International Airport | 6h20 | 2:56 PM San Antonio International Airport | 1 transfer | |
AA3194 · AA499 | 8:36 AM St. Louis Lambert International Airport | 11h04 | 7:40 PM San Antonio International Airport | 1 transfer | |
AA3194+ AA3777 | 8:36 AM St. Louis Lambert International Airport | 7h18 | 3:54 PM San Antonio International Airport | 1 transfer | |
AA3194+ AA4084 | 8:36 AM St. Louis Lambert International Airport | 4h37 | 1:13 PM San Antonio International Airport | 1 transfer | |
UA4506 · UA1869 | 8:43 AM St. Louis Lambert International Airport | 11h39 | 8:22 PM San Antonio International Airport | 1 transfer | |
UA2459 · UA2819 | 9:06 AM St. Louis Lambert International Airport | 11h48 | 8:54 PM San Antonio International Airport | 1 transfer | |
UA2459 · UA1022 | 9:06 AM St. Louis Lambert International Airport | 7h53 | 4:59 PM San Antonio International Airport | 1 transfer | |
AA3264 · AA2374+ AA4104 | 9:09 AM St. Louis Lambert International Airport | 8h31 | 5:40 PM San Antonio International Airport | 2 transfers | |
AA1120 · AA499+ AA4104 | 9:09 AM St. Louis Lambert International Airport | 10h31 | 7:40 PM San Antonio International Airport | 2 transfers | |
AA3264 · AA499+ AA4104 | 9:09 AM St. Louis Lambert International Airport | 10h31 | 7:40 PM San Antonio International Airport | 2 transfers | |
UA5572 · UA2844 | 9:14 AM St. Louis Lambert International Airport | 7h16 | 4:30 PM San Antonio International Airport | 1 transfer | |
AA2733 · AA2496 | 9:25 AM St. Louis Lambert International Airport | 7h35 | 5:00 PM San Antonio International Airport | 1 transfer | |
AA2733 · AA2407 · AA499 | 9:25 AM St. Louis Lambert International Airport | 10h15 | 7:40 PM San Antonio International Airport | 2 transfers | |
AA2733 · AA2407 · AA546 | 9:25 AM St. Louis Lambert International Airport | 11h41 | 9:06 PM San Antonio International Airport | 2 transfers | |
AA2733 · AA2407 · AA1406 | 9:25 AM St. Louis Lambert International Airport | 12h35 | 10:00 PM San Antonio International Airport | 2 transfers | |
This is the last flight of the day. | |||||
Find all the dates and times for this journey
Compare train, bus, and flight prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
Discover the best of San Antonio — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect San Antonio trip today.
Modern museum displaying artifacts and interpretation related to the Battle of the Alamo and Texas history, complementing the historic mission site.
Major art museum with strong collections of ancient Mediterranean, Asian, Latin American, and contemporary art in a restored brewery complex.
Renowned museum in a Spanish Colonial Revival mansion, known for modern and contemporary art, sculpture, and beautiful grounds.
The city’s signature pedestrian area lined with bridges, landscaping, public art, and river-level walkways through downtown.
Large Mexican market district with plazas, shops, and cultural atmosphere, one of the most recognizable public areas in the city.
Historic riverside district of galleries, courtyards, and preserved buildings, popular for strolling and photos near downtown.
San Antonio’s signature taco: a fried masa shell that puffs up, then is filled with meats, lettuce, cheese, and salsa. It is a local Tex-Mex classic strongly associated with the city.
Slow-cooked beef, traditionally eaten on weekends and often served in tacos with salsa. It is deeply rooted in South Texas and San Antonio breakfast culture.
A daily staple in San Antonio, usually built on flour or corn tortillas with fillings like egg, potato, bean, bacon, or chorizo. They reflect the city’s strong Tex-Mex identity.
Acclaimed contemporary American restaurant with fine-dining service and seasonal menus. A strong option for a higher-end meal in San Antonio with a consistently strong reputation.
Widely praised barbecue destination known for brisket, house-made sausages, and Texan smokehouse flavors with Mexican influences. Casual, popular, and highly regarded.
Long-running upscale Tex-Mex restaurant with a refined setting and strong local reputation. Known for polished regional dishes, margaritas, and patio dining.
Generally moderate for U.S. city travel. Tex-Mex, parking, and attractions are fairly priced; hotels rise during major events.
Tip 18-20% in restaurants; 20%+ for great service. Tip USD 1-2 per drink at bars, round up taxis, and tip hotel staff USD 2-5 where helpful.
Find answers to the most common questions about traveling from St. Louis, MO to San Antonio, TX by flight. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest flight, the cheapest option, or tips for making the most of your visit at San Antonio, TX, this guide helps you travel smarter and with confidence.

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