St Louis to Salt Lake City (STL–SLC) — Airlines, Schedules & Connections
No flights match your filters.
No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.
Most recently operated nonstop flights — the month shown is when each was last scheduled. Most destinations remain reachable with a connection.
No discontinued nonstop flights on record for this route.
STL–SLC is served by 4 airlines with nonstop service. Delta Air Lines, Sun Country Airlines and Southwest Airlines lead the route. The flight covers 1,153 miles in approximately 3h 13m. Beyond nonstop, 1-stop connecting options are also available.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| DL Delta Air Lines Also: KE | 21 | 221, BCS1 | 3h12-3h15 | SkyTeam | KE | |
| GXA GXA | 0 | – | – | – | – | |
| SY Sun Country Airlines | 0 | – | – | – | – | |
| WN Southwest Airlines | 0 | – | – | – | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Other ways to reach Salt Lake City from St Louis
| Metric | STL→SLC | COU→SLC | CGI→SLC |
|---|---|---|---|
| Distance from STL | – | 100 mi | 114 mi |
| Nonstop airlines | 4 | 1 | 1 |
| Weekly flights | 28 | – | 1 |
| Flight time | 3h 13m | 2h 27m | 2h 43m |
| Departure OTP | 48% | – | – |
Travel Essentials
STL: CDT · SLC: MDT
When it's 6:00 PM in St Louis, it's 5:00 PM in Salt Lake City.
TRAX Green Line from the airport station (inside the terminal) to downtown Salt Lake City takes 18 minutes ($2.50). Direct service to Intermodal Hub, Temple Square, and University of Utah. Running 5am to 11pm.Ride-shares to downtown cost $15–25. Taxis are available. For ski resorts, ski resort shuttles and Canyon Transportation offer door-to-door service ($40–60 to Park City). Car rental is on-site. The terminal opened in 2020 and is a single, modern facility; efficient to navigate.
Semi-arid continental climate at 1,290m elevation. Winters (November–March) bring regular snow and inversions. Temperature inversions trap cold air and pollution in the Salt Lake Valley, producing dense fog that can close or delay flights for hours. Snow is frequent but usually manageable. Inversions are the real disruption risk.
Summers are hot and dry (32–38°C) with low humidity and good flying weather. Afternoon thunderstorms occur in July and August but are brief. Spring is windy. The Great Salt Lake creates localized weather effects including lake-effect snow on the north side of the Wasatch.
STL–SLC Quick Facts
Frequently Asked Questions
Flights from STL to SLC
St. Louis Lambert International Airport (STL) and Salt Lake City International Airport (SLC) are connected by nonstop service from Delta Air Lines, Sun Country Airlines and Southwest Airlines. With 28 weekly departures, this is a heavily served route.
STL to SLC Flight Duration and Schedule
Nonstop flight time from STL to SLC is about 3 hours 13 minutes gate to gate. The route covers a distance of 1,153 miles (1,856 km). There are approximately 28 weekly flights outbound and 27 return, totaling 55 flights per week in both directions.
Connecting Options and Alternatives
1-stop connecting options are also available, commonly via Denver, Dallas Love Field and Minneapolis–Saint Paul. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Columbia (COU) and Cape Girardeau (CGI).