Routes/Salt Lake City, UT to St. Louis, MO

Salt Lake City, UT to St. Louis, MO

Average one-way fare in 2026 Q1: $364 · 1156 nonstop miles · 296 passengers per day.

2026 Q1 fare$364
2025 Q1 fare$337
Change+$27
Passengers/day296
Distance1156 mi

The average fare a year earlier (2025 Q1) was $337. The change is $27 higher (8.0%).

The largest carrier on this route in 2026 Q1 was Delta with 72% of passengers. The lowest-fare carrier was Southwest with 21% of passengers, at an average fare of $296.

All routes from Salt Lake City, UT · All routes from St. Louis, MO

All quarters on this route

QuarterPassengers/dayAvg. fareLargest carrierLargest shareLowest-fare carrier
2024 Q1292$300Delta74%Southwest
2024 Q2348$299Delta64%Southwest
2024 Q3314$302Delta67%Southwest
2024 Q4279$320Delta72%Southwest
2025 Q1271$337Delta73%Southwest
2025 Q2321$305Delta69%Southwest
2025 Q3317$318Delta69%Southwest
2025 Q4275$342Delta73%Southwest
2026 Q1296$364Delta72%Southwest

Source: U.S. Department of Transportation, Consumer Airfare Report Table 1, 2026 Q1. Figures are average one-way fares paid, including taxes and fees, for the quarter shown. Record: city markets 34614 and 31123; U.S. Department of Transportation, Domestic Airline Consumer Airfare Report, Table 1: top 1,000 contiguous-state city-pair markets (average one-way fare, passengers per day, largest carrier, lowest-fare carrier). Fetched 2026-09-27T00:40:04Z. Source data.