Routes/San Antonio, TX to St. Louis, MO
San Antonio, TX to St. Louis, MO
Average one-way fare in 2026 Q1: $288 · 786 nonstop miles · 231 passengers per day.
2026 Q1 fare$288
2025 Q1 fare$266
Change+$23
Passengers/day231
Distance786 mi
The average fare a year earlier (2025 Q1) was $266. The change is $23 higher (8.5%).
The largest carrier on this route in 2026 Q1 was Southwest with 76% of passengers. The lowest-fare carrier was American with 14% of passengers, at an average fare of $245.
All routes from San Antonio, TX · All routes from St. Louis, MO
All quarters on this route
| Quarter | Passengers/day | Avg. fare | Largest carrier | Largest share | Lowest-fare carrier |
|---|---|---|---|---|---|
| 2024 Q1 | 239 | $256 | Southwest | 77% | Southwest |
| 2024 Q2 | 273 | $257 | Southwest | 80% | Southwest |
| 2024 Q3 | not available | ||||
| 2024 Q4 | 258 | $275 | Southwest | 73% | Southwest |
| 2025 Q1 | 244 | $266 | Southwest | 79% | Southwest |
| 2025 Q2 | 286 | $241 | Southwest | 85% | Southwest |
| 2025 Q3 | not available | ||||
| 2025 Q4 | 238 | $274 | Southwest | 80% | Southwest |
| 2026 Q1 | 231 | $288 | Southwest | 76% | American |