Discover affordable flights from San Antonio to Saint Louis with prices starting from $368. Book your journey today!
San Antonio
SAT
→
Saint Louis
STL
10/19/2025 – 10/26/2025
Cheap flight deals from San Antonio to Saint Louis
Average price start from:
i
$140
Round-trip flights from San Antonio to Saint Louis starting at $140. Book now for the best deals!
One-way from:
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$65
One-way flights from San Antonio to Saint Louis starting at $65. Great for flexible travel!
Cheapest day:
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Thursday
Thursday is the cheapest day to fly from San Antonio to Saint Louis. Save more by booking on this day!
Cheapest In:
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$74
Mar 2025
Mar 2025 is the cheapest month to fly from San Antonio to Saint Louis with prices starting at $74.
Find flight deals from San Antonio to Saint Louis
Cheapest flights from San Antonio to Saint Louis
ONEWAY FLIGHTS
LAST MINUTE
CHEAP FLIGHTS
BEST FLIGHTS
Explore the cheapest oneway flights from San Antonio to Saint Louis spotted daily.
SAT
San Antonio
SAT - San Antonio • 2025-10-19 • 09:00
Unknown
60 min
STL
Unknown City
$65
Non-stop • 60 min
SAT
San Antonio
SAT - San Antonio • 2025-10-19 • 09:00
Unknown
60 min
STL
Unknown City
$89
Non-stop • 60 min
SAT
San Antonio
SAT - San Antonio • 2025-10-19 • 09:00
Unknown
60 min
STL
Unknown City
$94
Non-stop • 60 min
SAT
San Antonio
SAT - San Antonio • 2025-10-19 • 09:00
Unknown
60 min
STL
Unknown City
$99
Non-stop • 60 min
SAT
San Antonio
SAT - San Antonio • 2025-10-19 • 09:00
Unknown
60 min
ORD
Unknown City
$99
Non-stop • 60 min
SAT
San Antonio
SAT - San Antonio • 2025-10-19 • 09:00
Unknown
60 min
MDW
Unknown City
$105
Non-stop • 60 min
SAT
San Antonio
SAT - San Antonio • 2025-10-19 • 09:00
Unknown
60 min
ORD
Unknown City
$113
Non-stop • 60 min
SAT
San Antonio
SAT - San Antonio • 2025-10-19 • 09:00
Unknown
60 min
STL
Unknown City
$134
Non-stop • 60 min
SAT
San Antonio
SAT - San Antonio • 2025-10-19 • 09:00
Unknown
60 min
RFD
Unknown City
$135
Non-stop • 60 min
SAT
San Antonio
SAT - San Antonio • 2025-10-19 • 09:00
Unknown
60 min
ORD
Unknown City
$138
Non-stop • 60 min
SAT
San Antonio
SAT - San Antonio • 2025-10-19 • 09:00
Unknown
60 min
MDW
Unknown City
$172
Non-stop • 60 min
SAT
San Antonio
SAT - San Antonio • 2025-10-19 • 09:00
Unknown
60 min
ORD
Unknown City
$174
Non-stop • 60 min
Price Trends & Analysis
Weekly Price Trends
Save money by choosing Thursday flights to Saint Louis.
Monthly Price Trends
Lowest fares from San Antonio to Saint Louis typically available in April.
Weather & Climate Information
Temperature
Saint Louis experiences a humid subtropical climate with hot summers (average highs around 32°C in July) and cold winters (average lows around -3°C in January). Rainfall is distributed throughout the year, with occasional thunderstorms.
Rainfall
The best time to visit Saint Louis is in spring (April to June) and fall (September to October) when temperatures are mild and outdoor events are plentiful.
Airlines at STL
Book your journey from San Antonio to Saint Louis with leading airlines including Frontier Airlines, Spirit Airlines, Southwest Airlines, American Airlines. These carriers provide excellent connectivity and multiple daily options for convenient travel.
The typical flight time is about 10-15 hours, with most flights featuring one stopover for better pricing and route optimization. When traveling from San Antonio to Saint Louis, these airlines ensure a smooth and comfortable experience with their modern fleet and professional service.
Places to Visit in Saint Louis
Top places to visit in Saint Louis include the **Gateway Arch**, The tallest monument in the U.S., offering panoramic views of the city and Mississippi River.; the **Forest Park**, A sprawling urban park featuring museums, a zoo, and scenic walking trails.; the **Saint Louis Art Museum**, A renowned museum with extensive collections of art from around the world, located in Forest Park.; the **Saint Louis Zoo**, One of the top zoos in the country, offering free admission and a wide variety of animals.; and the **City Museum**, An eclectic, interactive museum housed in a former shoe factory, popular with families..
About Saint Louis
Discover the magic of Saint Louis when you fly from San Antonio. This captivating destination in a beautiful region offers Saint Louis is a major city in Missouri, known for its iconic Gateway Arch, vibrant cultural scene, and rich history along the Mississippi River.
Founded in 1764 by French fur traders, Saint Louis became a key port on the Mississippi River and played a significant role in westward expansion, notably as the starting point for the Lewis and Clark Expedition.
Plan your visit during Peak tourist season is summer (June to August), coinciding with school holidays and major festivals. for the most enjoyable weather and outdoor activities in Saint Louis.
To maximize your savings, book flights from San Antonio to Saint Louis during April and choose Thursday departures. Don't miss exploring the local traditions and savoring Saint Louis's authentic cuisine.
Airlines Flying from San Antonio to Saint Louis
Book your journey from San Antonio to Saint Louis with leading airlines including Frontier Airlines, Spirit Airlines, Southwest Airlines, American Airlines. These carriers provide excellent connectivity and multiple daily options for convenient travel.
The typical flight time is about 10-15 hours, with most flights featuring one stopover for better pricing and route optimization. When traveling from San Antonio to Saint Louis, these airlines ensure a smooth and comfortable experience with their modern fleet and professional service.
Hotels in Saint Louis
If you're traveling to Saint Louis and need convenient accommodations near STL Airport, several excellent hotel options are available. These hotels near Saint Louis airport not only provide easy access for travelers but also ensure a comfortable experience. When planning your trip, be sure to check for shuttle services and book in advance for the best rates.
Hotel
Category: Standard
Comfortable accommodations with modern amenities.
Location: Near airport
Hotel ID:
Airport Statistics
As a premier transportation hub, the airport offers extensive connectivity with direct flights to major domestic and international destinations, supported by a robust network of ground transportation options including rail, bus, and taxi services. Featuring state-of-the-art facilities, passengers can enjoy amenities such as lounges, dining options, and efficient check-in processes, ensuring a seamless travel experience from arrival to departure.
About Saint Louis
Discover the magic of Saint Louis when you fly from San Antonio. This captivating destination in a beautiful region offers Saint Louis is a major city in Missouri, known for its iconic Gateway Arch, vibrant cultural scene, and rich history along the Mississippi River.
Founded in 1764 by French fur traders, Saint Louis became a key port on the Mississippi River and played a significant role in westward expansion, notably as the starting point for the Lewis and Clark Expedition.
Plan your visit during Peak tourist season is summer (June to August), coinciding with school holidays and major festivals. for the most enjoyable weather and outdoor activities in Saint Louis.
To maximize your savings, book flights from San Antonio to Saint Louis during April and choose Thursday departures. Don't miss exploring the local traditions and savoring Saint Louis's authentic cuisine.
Places to Visit in Saint Louis
Top places to visit in Saint Louis include the **Gateway Arch**, The tallest monument in the U.S., offering panoramic views of the city and Mississippi River.; the **Forest Park**, A sprawling urban park featuring museums, a zoo, and scenic walking trails.; the **Saint Louis Art Museum**, A renowned museum with extensive collections of art from around the world, located in Forest Park.; the **Saint Louis Zoo**, One of the top zoos in the country, offering free admission and a wide variety of animals.; and the **City Museum**, An eclectic, interactive museum housed in a former shoe factory, popular with families..
Hotels in Saint Louis
If you're traveling to Saint Louis and need convenient accommodations near STL Airport, several excellent hotel options are available. These hotels near Saint Louis airport not only provide easy access for travelers but also ensure a comfortable experience. When planning your trip, be sure to check for shuttle services and book in advance for the best rates.
Hotel
Category: Standard
Comfortable accommodations with modern amenities.
Location: Near airport
Hotel ID:
Airlines Flying from San Antonio to Saint Louis
Book your journey from San Antonio to Saint Louis with leading airlines including Frontier Airlines, Spirit Airlines, Southwest Airlines, American Airlines. These carriers provide excellent connectivity and multiple daily options for convenient travel.
The typical flight time is about 10-15 hours, with most flights featuring one stopover for better pricing and route optimization. When traveling from San Antonio to Saint Louis, these airlines ensure a smooth and comfortable experience with their modern fleet and professional service.
Frequently Asked Questions
What's the lowest price for flights from San Antonio to Saint Louis?
You can find flights starting from $65. For better deals, book during April and choose Thursday departures.
How long is the journey from San Antonio to Saint Louis?
The average flight time is about 10-15 hours, with most routes including one stopover for better pricing and comfort.
What airlines operate flights on this route?
Several airlines serve this route including Frontier Airlines, Spirit Airlines, Southwest Airlines. Research current schedules and compare prices for the best deal.
How far in advance should I book?
For the best prices, book 2-3 months ahead and consider traveling during April when prices are typically lower.
What accommodation options are near STL Airport?
STL Airport has several nearby hotels with shuttle services, making it convenient for travelers with early or late flights.
What attractions can I visit in Saint Louis?
Saint Louis features a wonderful combination of historical sites and modern attractions. The best time to visit is during Peak tourist season is summer (June to August), coinciding with school holidays and major festivals. for optimal sightseeing.
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