Routes/Philadelphia, PA to St. Louis, MO
Philadelphia, PA to St. Louis, MO
Average one-way fare in 2026 Q1: $315 · 814 nonstop miles · 297 passengers per day.
2026 Q1 fare$315
2025 Q1 fare$313
Change+$1
Passengers/day297
Distance814 mi
The average fare a year earlier (2025 Q1) was $313. The change is $1 higher (0.4%).
The largest carrier on this route in 2026 Q1 was American with 50% of passengers. The lowest-fare carrier was Southwest with 44% of passengers, at an average fare of $300.
All routes from Philadelphia, PA · 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 | 312 | $250 | Southwest | 52% | Southwest |
| 2024 Q2 | 565 | $220 | American | 52% | American |
| 2024 Q3 | 613 | $191 | American | 57% | Southwest |
| 2024 Q4 | 463 | $256 | Southwest | 56% | Southwest |
| 2025 Q1 | 285 | $313 | American | 48% | Southwest |
| 2025 Q2 | 459 | $291 | Southwest | 49% | Southwest |
| 2025 Q3 | 446 | $261 | American | 52% | Southwest |
| 2025 Q4 | 424 | $279 | Southwest | 52% | Southwest |
| 2026 Q1 | 297 | $315 | American | 50% | Southwest |