- Must visit
San Antonio Museum of Art
A premier collection of Greek, Roman, Egyptian, and Asian art in a striking riverside complex, ideal for art lovers and curious first-time visitors.
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 $87 (€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 $87 (€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
$138
Average price
$194
Fastest journey
4 h 16 m
Average duration
4 h 40 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 $194 if you buy it on the day, but the cheapest tickets can be found for only $138.
Of the 5 flights that leave St. Louis, MO for San Antonio, TX onThu, Jul 23, 5 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Thu, Jul 23 the direct flights cover the 1276 km distance in an average of 4 h 40 m but if you time it right, some flights will get you there in just 4 h 16 m .
On Thu, Jul 23 the longest flights will take 5 h 46 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.










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 $96. 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 $96, and a flight costs an average of $87.
Distance: 792 miles (1276 km)
| Flight | Most popular Train | Bus | Driving |
|---|---|---|---|
$191 Average price | $135 Average price Cheapest | $146 Average price | $194 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 $10 (€10) less than a bus for this route with tickets for a bus from St. Louis, MO to San Antonio, TX costing on average $146 (€146).
A train is $56 (€56) less than a flight for this route with tickets for a flight from St. Louis, MO to San Antonio, TX costing on average $191 (€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, Wednesday, July 22. You can also manually refresh the results below to see updated flight journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
![]() | 11:11 PM St. Louis, MO | 4h41 | 3:52 AM San Antonio, TX | 0 transfersDirect | |
![]() | 11:50 PM St. Louis, MO | 4h17 | 4:07 AM San Antonio, TX | 0 transfersDirect | |
![]() | 11:52 PM St. Louis, MO | 6h03 | 5:55 AM San Antonio, TX | 0 transfersDirect | |
| Thursday, July 23 | |||||
![]() | 10:12 AM St. Louis, MO | 5h46 | 3:58 PM San Antonio, TX | 0 transfersDirect | |
![]() | 10:20 AM St. Louis, MO | 4h16 | 2:36 PM San Antonio, TX | 0 transfersDirect | |
![]() | 11:12 AM St. Louis, MO | 4h21 | 3:33 PM San Antonio, TX | 0 transfersDirect | |
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, TX — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect San Antonio, TX trip today.
A premier collection of Greek, Roman, Egyptian, and Asian art in a striking riverside complex, ideal for art lovers and curious first-time visitors.
This leading Latinx art museum showcases contemporary and historic works, making it one of the city’s most distinctive cultural stops.
Housed in a former brewery, this contemporary art museum presents rotating exhibitions in one of San Antonio’s most atmospheric spaces.
The city’s signature pedestrian corridor links shops, boats, bridges, and historic architecture, making it San Antonio’s essential walking experience.
This artsy, fast-evolving district mixes galleries, murals, boutiques, and nightlife with a strong local identity near the river.
A lively downtown plaza framed by major civic buildings, it is best known for events, fountains, and the nightly cathedral light show nearby.
Puffy tacos are San Antonio’s signature dish: crisp, airy fried corn tortillas filled with picadillo, chicken, or beans, rooted in local Tex-Mex history.
Barbacoa is slow-cooked beef, often served on weekends in breakfast tacos. It is a beloved South Texas tradition with deep Mexican roots.
Breakfast tacos are a daily staple in San Antonio, usually filled with egg, potato, bean, bacon, or chorizo in flour or corn tortillas.
Refined River Walk restaurant serving upscale South Texas and Mexican cuisine. Elegant atmosphere with a long-standing fine dining reputation.
Popular breakfast and lunch spot known for house-made tortillas, tacos, and classic San Antonio Tex-Mex in a relaxed setting.
Beloved market restaurant for authentic Mexican dishes, fresh tortillas, and bakery items. Bustling, traditional atmosphere.
Moderate for a major U.S. city. Hotels and dining are usually cheaper than New York or San Francisco, while car use can add costs because transit is limited.
Tip 18-20% at restaurants, 10-15% for taxis, and $1-$2 per drink or coffee if there is table or bar service.
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.

Most St. Louis, MO to San Antonio, TX flights use the St. Louis Lambert International Airport to San Antonio International Airport airport pair. Use this guide to compare St. Louis, MO and San Antonio, TX airports on this route, check city-centre transport, alongside checking practicalities like airport facilities and services.
St. Louis Lambert International Airport is 2 km from St. Louis city centre. Public transport options include:
St. Louis Lambert International Airport has practical services for this route, including Wifi, Shopping, Parking, Dining, ATM, Taxis, Accessibility, WC, Hotel, Shower, Lounge, Lost and Found Office, and Car Rental.
Food options include: Restaurants in both terminals, including fast food and sit-down options like Starbucks and Chili's
Free Wi-Fi available throughout the airport. ATMs are located in both terminals.
Lost and found is available at the station.
Available at St. Louis Lambert International Airport: Parking, Taxis, WC.
Available at St. Louis Lambert International Airport: Car Rental.
Accessibility facilities are available at St. Louis Lambert International Airport: Elevators, ramps.
Nearby hotels include Hotels nearby, such as Marriott St. Louis Airport within walking distance..
San Antonio International Airport is 11 km from San Antonio city centre. Public transport options include:
San Antonio International Airport has practical services for this route, including Wifi, Shopping, Parking, Dining, ATM, Taxis, Accessibility, WC, Hotel, Lounge, Lost and Found Office, and Car Rental.
Food options include: Restaurants are located in both terminals, including Tex-Mex and American cuisine. Top options include La Gloria and Rosario's.
Free Wi-Fi available throughout the airport. ATMs are located in both terminals near the ticketing and baggage claimas.
Lost and found is available at the station.
Available at San Antonio International Airport: Parking, Taxis, WC.
Available at San Antonio International Airport: Car Rental.
Accessibility facilities are available at San Antonio International Airport: Ramps, assistance.
Nearby hotels include Hotels within walking distance, including the Hilton San Antonio Airport..
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