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St. Louis to San Antonio flight ticket price

Compare live prices for STL to SAT. Use the search panel to change origin, destination, passengers, cabin and trip type instantly.
STL → SAT Approx. 1265.88 km 07 May 2026 Live inventory
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Showing 25 of 116 live flights
Delta Air Lines
DL-1524
06:00
05/07/2026
STL
St Louis Lambert International Airport
5h 13m
1 Stop
⏱ ATL · 0h 58mATL Airport
11:13
05/07/2026
SAT
San Antonio International Airport
₹16,219
per person
✕ Non-refundable2 fare options
Delta Air Lines
DL-1571
09:15
05/07/2026
STL
St Louis Lambert International Airport
5h 42m
1 Stop
⏱ ATL · 1h 36mATL Airport
14:57
05/07/2026
SAT
San Antonio International Airport
₹16,219
per person
✕ Non-refundable2 fare options
Delta Air Lines
DL-1597
06:21
05/07/2026
STL
St Louis Lambert International Airport
5h 24m
1 Stop
⏱ MSP · 0h 51mMSP Airport
11:45
05/07/2026
SAT
San Antonio International Airport
₹16,219
per person
✕ Non-refundable2 fare options
Delta Air Lines
DL-1053
11:25
05/07/2026
STL
St Louis Lambert International Airport
5h 55m
1 Stop
⏱ MSP · 1h 16mMSP Airport
17:20
05/07/2026
SAT
San Antonio International Airport
₹16,219
per person
✕ Non-refundable2 fare options
Delta Air Lines
DL-2868
10:19
05/07/2026
STL
St Louis Lambert International Airport
5h 33m
1 Stop
⏱ DTW · 0h 48mDTW Airport
15:52
05/07/2026
SAT
San Antonio International Airport
₹16,219
per person
✕ Non-refundable2 fare options
Delta Air Lines
DL-1371
13:59
05/07/2026
STL
St Louis Lambert International Airport
8h 28m
1 Stop
⏱ DTW · 3h 39mDTW Airport
22:27
05/07/2026
SAT
San Antonio International Airport
₹16,219
per person
✕ Non-refundable2 fare options
American Airlines
AA-418
17:21
05/07/2026
STL
St Louis Lambert International Airport
6h 38m
1 Stop
⏱ ORD · 1h 51mORD Airport
23:59
05/07/2026
SAT
San Antonio International Airport
₹16,219
per person
✕ Non-refundable9 fare options
American Airlines
AA-1410
07:12
05/07/2026
STL
St Louis Lambert International Airport
7h 9m
1 Stop
⏱ DFW · 3h 50mDFW Airport
14:21
05/07/2026
SAT
San Antonio International Airport
₹16,219
per person
✕ Non-refundable8 fare options
Delta Air Lines
DL-1393
19:01
05/07/2026
STL
St Louis Lambert International Airport
5h 43m
1 Stop
⏱ ATL · 1h 26mATL Airport
00:44
05/08/2026
+1
SAT
San Antonio International Airport
₹16,219
per person
✕ Non-refundable
American Airlines
AA-2444
07:05
05/07/2026
STL
St Louis Lambert International Airport
5h 44m
1 Stop
⏱ ORD · 1h 4mORD Airport
12:49
05/07/2026
SAT
San Antonio International Airport
₹16,219
per person
✕ Non-refundable8 fare options
Delta Air Lines
DL-1536
07:05
05/07/2026
STL
St Louis Lambert International Airport
6h 27m
1 Stop
⏱ ATL · 2h 20mATL Airport
13:32
05/07/2026
SAT
San Antonio International Airport
₹16,219
per person
✕ Non-refundable
Delta Air Lines
DL-1400
10:49
05/07/2026
STL
St Louis Lambert International Airport
6h 27m
1 Stop
⏱ ATL · 2h 21mATL Airport
17:16
05/07/2026
SAT
San Antonio International Airport
₹16,219
per person
✕ Non-refundable
American Airlines
AA-3128
05:51
05/07/2026
STL
St Louis Lambert International Airport
6h 58m
1 Stop
⏱ ORD · 2h 19mORD Airport
12:49
05/07/2026
SAT
San Antonio International Airport
₹16,219
per person
✕ Non-refundable8 fare options
Delta Air Lines
DL-1524
06:00
05/07/2026
STL
St Louis Lambert International Airport
7h 32m
1 Stop
⏱ ATL · 3h 17mATL Airport
13:32
05/07/2026
SAT
San Antonio International Airport
₹16,219
per person
✕ Non-refundable
Delta Air Lines
DL-1536
07:05
05/07/2026
STL
St Louis Lambert International Airport
7h 52m
1 Stop
⏱ ATL · 3h 47mATL Airport
14:57
05/07/2026
SAT
San Antonio International Airport
₹16,219
per person
✕ Non-refundable
Delta Air Lines
DL-1571
09:15
05/07/2026
STL
St Louis Lambert International Airport
8h 1m
1 Stop
⏱ ATL · 3h 53mATL Airport
17:16
05/07/2026
SAT
San Antonio International Airport
₹16,219
per person
✕ Non-refundable
Delta Air Lines
DL-5325
08:53
05/07/2026
STL
St Louis Lambert International Airport
8h 27m
1 Stop
⏱ MSP · 3h 50mMSP Airport
17:20
05/07/2026
SAT
San Antonio International Airport
₹16,219
per person
✕ Non-refundable
Southwest Airlines
WN-3890
18:00
05/07/2026
STL
St Louis Lambert International Airport
6h 30m
1 Stop
⏱ PHX · 1h 0mPHX Airport
00:30
05/08/2026
+1
SAT
San Antonio International Airport
₹16,737
per person
✕ Non-refundable🔥 Last 4 seats5 fare options
Southwest Airlines
WN-397
07:20
05/07/2026
STL
St Louis Lambert International Airport
5h 40m
1 Stop
⏱ MDW · 1h 40mMDW Airport
13:00
05/07/2026
SAT
San Antonio International Airport
₹18,009
per person
✕ Non-refundable🔥 Last 2 seats6 fare options
Southwest Airlines
WN-4489
05:40
05/07/2026
STL
St Louis Lambert International Airport
7h 20m
1 Stop
⏱ MDW · 3h 20mMDW Airport
13:00
05/07/2026
SAT
San Antonio International Airport
₹18,009
per person
✕ Non-refundable🔥 Last 2 seats6 fare options
Southwest Airlines
WN-2599
08:30
05/07/2026
STL
St Louis Lambert International Airport
2h 20m
Non-stop
10:50
05/07/2026
SAT
San Antonio International Airport
₹18,171
per person
✕ Non-refundable6 fare options
Southwest Airlines
WN-4517
21:45
05/07/2026
STL
St Louis Lambert International Airport
2h 20m
Non-stop
00:05
05/08/2026
+1
SAT
San Antonio International Airport
₹18,171
per person
✕ Non-refundable6 fare options
American Airlines
AA-1410
07:12
05/07/2026
STL
St Louis Lambert International Airport
5h 30m
1 Stop
⏱ DFW · 2h 11mDFW Airport
12:42
05/07/2026
SAT
San Antonio International Airport
₹18,256
per person
✕ Non-refundable13 fare options
American Airlines
AA-2958
14:12
05/07/2026
STL
St Louis Lambert International Airport
6h 35m
1 Stop
⏱ CLT · 1h 24mCLT Airport
20:47
05/07/2026
SAT
San Antonio International Airport
₹18,256
per person
✕ Non-refundable9 fare options
American Airlines
AA-2261
05:20
05/07/2026
STL
St Louis Lambert International Airport
5h 45m
1 Stop
⏱ DFW · 2h 18mDFW Airport
11:05
05/07/2026
SAT
San Antonio International Airport
₹18,256
per person
✕ Non-refundable12 fare options
😕 No flights match your filters.
St. Louis (STL)
📍 St Louis Lambert International Airport
🌍 United States
🕐 GMT -6
📐 Latitude: 38.748697
📐 Longitude: -90.370003
San Antonio (SAT)
📍 San Antonio International Airport
🌍 United States
🕐 GMT -6
📐 Latitude: 29.533700942993164
📐 Longitude: -98.46980285644531

✈ Distance: St. Louis,USA to San Antonio,USA1265.88 km

📅 Results on this page are loaded for 07 May 2026. Click View all flights for the complete live search.

St. Louis to San Antonio — what to expect when booking

The STL–SAT route is served by multiple carriers throughout the year. Fares on this route can move quickly — a price available now may not be there 30 minutes later.

If your dates are flexible, try shifting your departure by a day or two using the date strip above. Mid-week departures often show lower base fares compared to weekend starts on many routes.

The distance between St. Louis,USA and San Antonio,USA is approximately 1265.88 km.

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More flights from San Antonio (SAT)
32 routes
❓ Frequently asked questions — St. Louis to San Antonio flights

Generally yes — fares on most routes are most competitive around 4–6 weeks before departure. Booking earlier usually means better availability and a lower base fare when your dates are fixed.

The straight-line distance between St. Louis,USA (STL) and San Antonio,USA (SAT) is approximately 1265.88 km. Actual flying distance may vary slightly depending on routing.

Non-stop availability on this route varies by airline schedule and season. Use the filters below to quickly check whether direct options are available on your selected date.

Mid-week departures often show lower prices than weekend travel on many routes. Use the date strip above to compare nearby days quickly.