Routes/Detroit, MI to St. Louis, MO
Detroit, MI to St. Louis, MO
Average one-way fare in 2026 Q1: $307 · 440 nonstop miles · 286 passengers per day.
2026 Q1 fare$307
2025 Q1 fare$261
Change+$46
Passengers/day286
Distance440 mi
The average fare a year earlier (2025 Q1) was $261. The change is $46 higher (17.4%).
The largest carrier on this route in 2026 Q1 was Delta with 70% of passengers. The lowest-fare carrier was Southwest with 28% of passengers, at an average fare of $242.
All quarters on this route
| Quarter | Passengers/day | Avg. fare | Largest carrier | Largest share | Lowest-fare carrier |
|---|---|---|---|---|---|
| 2024 Q1 | 299 | $233 | Delta | 69% | Southwest |
| 2024 Q2 | 421 | $226 | Delta | 66% | Southwest |
| 2024 Q3 | 399 | $236 | Delta | 64% | Southwest |
| 2024 Q4 | 379 | $249 | Delta | 62% | Southwest |
| 2025 Q1 | 275 | $261 | Delta | 73% | Southwest |
| 2025 Q2 | 402 | $234 | Delta | 69% | Southwest |
| 2025 Q3 | 445 | $197 | Delta | 63% | Southwest |
| 2025 Q4 | 380 | $252 | Delta | 67% | Southwest |
| 2026 Q1 | 286 | $307 | Delta | 70% | Southwest |