Routes/St. Louis, MO to Washington, DC (Metropolitan Area)
St. Louis, MO to Washington, DC (Metropolitan Area)
Average one-way fare in 2026 Q1: $268 · 738 nonstop miles · 869 passengers per day.
2026 Q1 fare$268
2025 Q1 fare$229
Change+$39
Passengers/day869
Distance738 mi
The average fare a year earlier (2025 Q1) was $229. The change is $39 higher (16.9%).
The largest carrier on this route in 2026 Q1 was Southwest with 69% of passengers. The lowest-fare carrier was Southwest with 69% of passengers, at an average fare of $259.
All routes from St. Louis, MO · All routes from Washington, DC (Metropolitan Area)
All quarters on this route
| Quarter | Passengers/day | Avg. fare | Largest carrier | Largest share | Lowest-fare carrier |
|---|---|---|---|---|---|
| 2024 Q1 | 1041 | $216 | Southwest | 67% | Southwest |
| 2024 Q2 | 1511 | $225 | Southwest | 67% | Southwest |
| 2024 Q3 | 1315 | $218 | Southwest | 67% | American |
| 2024 Q4 | 1318 | $229 | Southwest | 71% | Southwest |
| 2025 Q1 | 907 | $229 | Southwest | 75% | Southwest |
| 2025 Q2 | 1396 | $223 | Southwest | 70% | Southwest |
| 2025 Q3 | 1172 | $224 | Southwest | 70% | Southwest |
| 2025 Q4 | 1084 | $249 | Southwest | 68% | Southwest |
| 2026 Q1 | 869 | $268 | Southwest | 69% | Southwest |