Journey information
Overview: St. Louis, MO to San Antonio, TX flight
Flights from St. Louis, MO to San Antonio, TX depart on average 45 times per day, taking around 5h 54m. Cheap flight tickets for this journey start at $124 (€99) but you can travel from only $123 (€98) by train.
The earliest flight runs at 05:00, the last at 21:35. The fastest flight covers the 792 miles (1276 km) distance in 4h 15m. August is the cheapest month to fly.
Distance 792 miles (1276 km) |
Average flight duration 5h 54m |
Cheapest ticket price $124 (€99) |
Flights per day 45 |
Fastest flight 4h 15m |
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 |
The cheapest and fastest flights from St. Louis, MO to San Antonio, TX
Cheapest price
$110
Average price
$174
Fastest journey
4 h 21 m
Average duration
6 h 50 m
Flights per day
5
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 $174 if you buy it on the day, but the cheapest tickets can be found for only $110.
Of the 5 flights that leave St. Louis, MO for San Antonio, TX onThu, Apr 23, 5 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Thu, Apr 23 the direct flights cover the 1276 km distance in an average of 6 h 50 m but if you time it right, some flights will get you there in just 4 h 21 m .
On Thu, Apr 23 the longest flights will take 9 h 25 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.
4:53 PM7h39St. Louis, MO12:32 AMSan Antonio, TX$1101One-way0 transfers
3:36 PM9h25St. Louis, MO1:01 AMSan Antonio, TX$1241One-way0 transfers
11:12 AM4h21St. Louis, MO3:33 PMSan Antonio, TX$1931One-way0 transfers
2:13 PM7h57St. Louis, MO10:10 PMSan Antonio, TX$2171One-way0 transfers
11:04 PM4h48St. Louis, MO3:52 AMSan Antonio, TX$2281One-way0 transfers
11:12 AM4h21St. Louis, MO3:33 PMSan Antonio, TX$1931One-way0 transfers
11:04 PM4h48St. Louis, MO3:52 AMSan Antonio, TX$2281One-way0 transfers
4:53 PM7h39St. Louis, MO12:32 AMSan Antonio, TX$1101One-way0 transfers
2:13 PM7h57St. Louis, MO10:10 PMSan Antonio, TX$2171One-way0 transfers
3:36 PM9h25St. Louis, MO1:01 AMSan Antonio, TX$1241One-way0 transfers
Travel Information
Compare train, bus, and flight for St. Louis, MO to San Antonio, TX
Omio 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 $123. For those with little time consider booking a flight which can get you there in 5h 54m. 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 $123, and a flight costs an average of $124.
Distance: 792 miles (1276 km)
Compare flight with
| Flight | Most popular Train | Bus |
|---|---|---|
$269 Average price | $186 Average price Cheapest | $212 Average price |
8h 54m Average total duration Fastest 5h 54m Onboard + 3h 0m Additional time* | 26h 51m Average total duration 26h 21m Onboard + 30m Additional time* | 22h 12m Average total duration 21h 42m Onboard + 30m Additional time* |
3.8 - 7.7kg CO2 emissions | 0.4 - 1.1kg CO2 emissions Lowest | 1.3 - 3.2kg CO2 emissions |
Direct Options | Direct Options | Direct Options |
Additional time: Average total travel duration to departure point, security checks and transfers.
Live departures
St. Louis, MO to San Antonio, TX flight times
The table below shows live departures for St. Louis, MO to San Antonio, TX flights for today, Wednesday, April 22. You can also manually refresh the results below to see updated flight journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
UA4555 · UA1719 | 8:21 AM St. Louis Lambert International Airport | 7h48 | 4:09 PM San Antonio International Airport | 1 transfer | |
UA4555 · UA1803 · UA1022 | 8:21 AM St. Louis Lambert International Airport | 8h35 | 4:56 PM San Antonio International Airport | 2 transfers | |
UA4555 · UA2638 · UA697 | 8:21 AM St. Louis Lambert International Airport | 7h25 | 3:46 PM San Antonio International Airport | 2 transfers | |
UA5728 · UA5417 | 8:30 AM St. Louis Lambert International Airport | 30h28 | 2:58 PM San Antonio International Airport | 1 transfer | |
UA4506 · UA1869 | 8:30 AM St. Louis Lambert International Airport | 12h10 | 8:40 PM San Antonio International Airport | 1 transfer | |
UA1415 · UA1110 | 8:54 AM St. Louis Lambert International Airport | 11h48 | 8:42 PM San Antonio International Airport | 1 transfer | |
UA1415 · UA1022 | 8:54 AM St. Louis Lambert International Airport | 8h02 | 4:56 PM San Antonio International Airport | 1 transfer | |
AA2812 · AA499+ AA4135 | 8:54 AM St. Louis Lambert International Airport | 12h04 | 8:58 PM San Antonio International Airport | 2 transfers | |
AA1938 · AA2368+ AA4135 | 8:54 AM St. Louis Lambert International Airport | 10h50 | 7:44 PM San Antonio International Airport | 2 transfers | |
AA2812 · AA2368+ AA4135 | 8:54 AM St. Louis Lambert International Airport | 10h50 | 7:44 PM San Antonio International Airport | 2 transfers | |
AA2950 · AA2744 | 9:10 AM St. Louis Lambert International Airport | 7h42 | 4:52 PM San Antonio International Airport | 1 transfer | |
AA2950 · AA840 · AA2368 | 9:10 AM St. Louis Lambert International Airport | 10h34 | 7:44 PM San Antonio International Airport | 2 transfers | |
AA2950 · AA840 · AA499 | 9:10 AM St. Louis Lambert International Airport | 11h48 | 8:58 PM San Antonio International Airport | 2 transfers | |
UA3686 · UA1448 · UA1407 | 9:10 AM St. Louis Lambert International Airport | 8h33 | 5:43 PM San Antonio International Airport | 2 transfers | |
AA2950 · AA840 · AA1406 | 9:10 AM St. Louis Lambert International Airport | 12h32 | 9:42 PM San Antonio International Airport | 2 transfers | |
UA3686 · UA1719 | 9:10 AM St. Louis Lambert International Airport | 6h59 | 4:09 PM San Antonio International Airport | 1 transfer | |
AA2942 · AA499 | 9:34 AM St. Louis Lambert International Airport | 11h24 | 8:58 PM San Antonio International Airport | 1 transfer | |
AA2942 · AA1449 | 9:34 AM St. Louis Lambert International Airport | 6h04 | 3:38 PM San Antonio International Airport | 1 transfer | |
AA2942 · AA2609 | 9:34 AM St. Louis Lambert International Airport | 4h47 | 2:21 PM San Antonio International Airport | 1 transfer | |
AA2942 · AA1449 | 9:34 AM St. Louis Lambert International Airport | 6h04 | 3:38 PM San Antonio International Airport | 1 transfer | |
AA2942 · AA2368 | 9:34 AM St. Louis Lambert International Airport | 10h10 | 7:44 PM San Antonio International Airport | 1 transfer | |
UA4601 · UA1448 · UA1407 | 10:00 AM St. Louis Lambert International Airport | 7h43 | 5:43 PM San Antonio International Airport | 2 transfers | |
UA4601 · UA1719 | 10:00 AM St. Louis Lambert International Airport | 6h09 | 4:09 PM San Antonio International Airport | 1 transfer | |
UA6213 · UA1407 | 10:09 AM St. Louis Lambert International Airport | 7h34 | 5:43 PM San Antonio International Airport | 1 transfer | |
UA6213 · UA697 | 10:09 AM St. Louis Lambert International Airport | 5h37 | 3:46 PM San Antonio International Airport | 1 transfer | |
UA4395 · UA609 · UA1110 | 11:15 AM St. Louis Lambert International Airport | 9h27 | 8:42 PM San Antonio International Airport | 2 transfers | |
UA4395 · UA2347 · UA1110 | 11:15 AM St. Louis Lambert International Airport | 9h27 | 8:42 PM San Antonio International Airport | 2 transfers | |
UA4395 · UA1983 · UA1477 | 11:15 AM St. Louis Lambert International Airport | 8h33 | 7:48 PM San Antonio International Airport | 2 transfers | |
UA4454 · UA1869 | 12:15 PM St. Louis Lambert International Airport | 8h25 | 8:40 PM San Antonio International Airport | 1 transfer | |
AA2941 · AA2368 | 12:27 PM St. Louis Lambert International Airport | 7h17 | 7:44 PM San Antonio International Airport | 1 transfer | |
AA2941 · AA1406 | 12:27 PM St. Louis Lambert International Airport | 9h15 | 9:42 PM San Antonio International Airport | 1 transfer | |
AA2941 · AA499 | 12:27 PM St. Louis Lambert International Airport | 8h31 | 8:58 PM San Antonio International Airport | 1 transfer | |
AA2941 · AA2368 | 12:27 PM St. Louis Lambert International Airport | 7h17 | 7:44 PM San Antonio International Airport | 1 transfer | |
AA1926+ AA4186 | 12:27 PM St. Louis Lambert International Airport | 5h17 | 5:44 PM San Antonio International Airport | 1 transfer | |
AA2941+ AA3827 | 12:27 PM St. Louis Lambert International Airport | 6h15 | 6:42 PM San Antonio International Airport | 1 transfer | |
AA3130 · AA452 | 1:29 PM St. Louis Lambert International Airport | 7h29 | 8:58 PM San Antonio International Airport | 1 transfer | |
AA2958 · AA1258 | 2:12 PM St. Louis Lambert International Airport | 6h35 | 8:47 PM San Antonio International Airport | 1 transfer | |
AA2958 · AA366 | 2:12 PM St. Louis Lambert International Airport | 8h47 | 10:59 PM San Antonio International Airport | 1 transfer | |
AA2988 · AA2282+ AA3622 | 2:33 PM St. Louis Lambert International Airport | 9h23 | 11:56 PM San Antonio International Airport | 2 transfers | |
AA2988 · AA546+ AA3622 | 2:33 PM St. Louis Lambert International Airport | 8h19 | 10:52 PM San Antonio International Airport | 2 transfers | |
UA1380 · UA1110 | 2:40 PM St. Louis Lambert International Airport | 6h02 | 8:42 PM San Antonio International Airport | 1 transfer | |
AA546+ AA3917 | 3:38 PM St. Louis Lambert International Airport | 7h14 | 10:52 PM San Antonio International Airport | 1 transfer | |
AA546+ AA3917 | 3:38 PM St. Louis Lambert International Airport | 7h14 | 10:52 PM San Antonio International Airport | 1 transfer | |
AA499+ AA3917 | 3:38 PM St. Louis Lambert International Airport | 5h20 | 8:58 PM San Antonio International Airport | 1 transfer | |
AA2368+ AA3917 | 3:38 PM St. Louis Lambert International Airport | 4h06 | 7:44 PM San Antonio International Airport | 1 transfer | |
AA1406+ AA3917 | 3:38 PM St. Louis Lambert International Airport | 6h04 | 9:42 PM San Antonio International Airport | 1 transfer | |
AA2282+ AA3917 | 3:38 PM St. Louis Lambert International Airport | 8h18 | 11:56 PM San Antonio International Airport | 1 transfer | |
AA499+ AA3917 | 3:38 PM St. Louis Lambert International Airport | 5h20 | 8:58 PM San Antonio International Airport | 1 transfer | |
AA1406+ AA3917 | 3:38 PM St. Louis Lambert International Airport | 6h04 | 9:42 PM San Antonio International Airport | 1 transfer | |
AA6399+ AA4067 | 4:30 PM St. Louis Lambert International Airport | 7h29 | 11:59 PM San Antonio International Airport | 1 transfer | |
UA6219 · UA1542 | 4:49 PM St. Louis Lambert International Airport | 4h14 | 9:03 PM San Antonio International Airport | 1 transfer | |
UA6219 · UA4023 | 4:49 PM St. Louis Lambert International Airport | 6h10 | 10:59 PM San Antonio International Airport | 1 transfer | |
AA418+ AA4067 | 5:21 PM St. Louis Lambert International Airport | 6h38 | 11:59 PM San Antonio International Airport | 1 transfer | |
UA3606 · UA591 | 5:24 PM St. Louis Lambert International Airport | 17h10 | 10:34 AM San Antonio International Airport | 1 transfer | |
UA3606 · UA515 | 5:24 PM St. Louis Lambert International Airport | 21h47 | 3:11 PM San Antonio International Airport | 1 transfer | |
UA1236 · UA2625 | 6:05 PM St. Louis Lambert International Airport | 18h55 | 1:00 PM San Antonio International Airport | 1 transfer | |
UA1236 · UA1022 | 6:05 PM St. Louis Lambert International Airport | 22h52 | 4:57 PM San Antonio International Airport | 1 transfer | |
AA2945 · AA546 | 6:11 PM St. Louis Lambert International Airport | 4h41 | 10:52 PM San Antonio International Airport | 1 transfer | |
AA2945 · AA2282 | 6:11 PM St. Louis Lambert International Airport | 5h45 | 11:56 PM San Antonio International Airport | 1 transfer | |
| Thursday, April 23 | |||||
![]() | 11:12 AM St. Louis, MO | 4h21 | 3:33 PM San Antonio, TX | 0 transfersDirect | |
Find all the dates and times for this journey
Compare prices and tickets St. Louis, MO to San Antonio, TX by train, bus, or flight
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.
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Apr 29
FAQs: St. Louis, MO to San Antonio, TX Flight
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.

- Fiesta San Antonio, a vibrant celebration featuring parades, live music, and cultural events honoring the city's diverse heritage
- San Antonio Stock Show & Rodeo, a thrilling event showcasing rodeo competitions, livestock shows, and live entertainment
- Diwali Festival of Lights, a colorful celebration of Indian culture with food, music, and traditional performances.
- The Alamo, a historic Spanish mission and site of the famous 1836 battle for Texan independence
- River Walk, a scenic network of walkways along the San Antonio River lined with shops and restaurants
- San Antonio Missions National Historical Park, a UNESCO World Heritage site preserving four Spanish frontier missions
- San Antonio Museum of Art, housing an extensive collection of art from around the world
- Tower of the Americas, offering panoramic views of the city from its observation deck and revolving restaurant.
- Fiesta San Antonio, vibrant cultural celebrations with parades, music, and food
- Memorial Day, warm weather perfect for outdoor activities and events
- Independence Day, spectacular fireworks and festive atmosphere throughout the city.
- Explore the vibrant Pearl District, known for its trendy shops, restaurants, and farmers market
- take a boat tour along the San Antonio River for a unique perspective of the city
- visit the historic Market Square, a lively Mexican market with shops, food, and entertainment
- enjoy a day at Six Flags Fiesta Texas, an amusement park with thrilling rides and shows
- experience the San Antonio Zoo, home to a wide variety of animals and interactive exhibits.
popular airports
Popular airports from St. Louis, MO to San Antonio, TX
- Free Wi-Fi available throughout the airport.
- Shops in both terminals, including Hudson News and Tech on the Go.
- Parking available with short-term and long-term options, approximately 1.42€ ($1.50) per hour.
- Restaurants in both terminals, including fast food and sit-down options like Starbucks and Chili's
- Available outside the terminal.
- Elevators, ramps
- Available throughout both terminals.
- Hotels nearby, such as Marriott St. Louis Airport within walking distance.
- Showers available in some lounges, access may require lounge fee.
- Lounges available, including American Airlines Admirals Club.
- Lost and Found located in terminal 1, contact airport for details.
- Car rental services available, including Hertz and Enterprise in terminal 1
- MetroLink Red Line, Lambert Airport terminal 1 & 2 stations, 35 minutes
- Free Wi-Fi available throughout the airport.
- Shops are located in both terminals, including Duty-Free and local souvenir shops.
- Parking available on-site, approximately 2.4€ (CAD 3.50) per hour.
- Restaurants are located in both terminals, including Tex-Mex and American cuisine. Top options include La Gloria and Rosario's.
- Available outside the terminal.
- Ramps, assistance
- Available throughout the airport in both terminals.
- Hotels within walking distance, including the Hilton San Antonio Airport.
- Lounges available, including the United Club in terminal B.
- Lost and Found located in terminal A, near the baggage claim area.
- Car rental services are available on-site from major providers like Hertz and Avis.
- VIA Metropolitan Transit bus line 5, stop at San Antonio Intertiol Airport, 8 miles
More options for your journey from St. Louis, MO to San Antonio, TX
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