Direct (nonstop) flights from Saint Louis to Salt Lake City

2 airlines fly nonstop from Saint Louis Airport (STL) to Salt Lake City International (SLC). It's 1,155 miles (1,859 km), about 3h 17m in the air. Operated by Delta Air Lines, Southwest Airlines.

STL
Saint Louis Airport
🇺🇸 Saint Louis, USA
SLC
Salt Lake City International
🇺🇸 Salt Lake City, USA
Flight Time
3h 17m
Distance
1,155 mi
1,859 km
CO₂/pax
195 kg
−44 kg vs. layover
Airlines
2
Delta Air Lines +1
Time Diff
-1h
Operated by Delta Air Lines Delta Air Lines Southwest Airlines Southwest Airlines

Route data last updated: May 30, 2026

Airlines with non-stop flights

Delta Air Lines DL Delta Air Lines
Route
STL → SLC
Flight Time
3h 17m
Distance
1,155 mi
Southwest Airlines WN Southwest Airlines
Route
STL → SLC
Flight Time
3h 17m
Distance
1,155 mi

Alternative Routes

Other ways to fly from Saint Louis to Salt Lake City with one stop · direct emits 195 kg CO₂ per passenger

STL MCI (Kansas City) SLC
Leg 1: 1h 10m (236 mi) Leg 2: 2h 45m (919 mi) Total: ~3h 55m 🍃 239 kg CO₂ (+23% vs. direct)
Leg 1
STL → MCI
1h 10m · 236 mi
View STL to MCI flights →
Leg 2
MCI → SLC
2h 45m · 919 mi
View MCI to SLC flights →
STL DEN (Denver) SLC
Leg 1: 2h 25m (769 mi) Leg 2: 1h 36m (391 mi) Total: ~4h 1m 🍃 239 kg CO₂ (+23% vs. direct)
Leg 1
STL → DEN
2h 25m · 769 mi
View STL to DEN flights →
Leg 2
DEN → SLC
1h 36m · 391 mi
View DEN to SLC flights →
STL OMA (Omaha) SLC
Leg 1: 1h 20m (341 mi) Leg 2: 2h 43m (839 mi) Total: ~4h 3m 🍃 243 kg CO₂ (+25% vs. direct)
Leg 1
STL → OMA
1h 20m · 341 mi
View STL to OMA flights →
Leg 2
OMA → SLC
2h 43m · 839 mi
View OMA to SLC flights →
STL DSM (Des Moines) SLC
Leg 1: 1h 10m (258 mi) Leg 2: 2h 55m (956 mi) Total: ~4h 5m 🍃 234 kg CO₂ (+20% vs. direct)
Leg 1
STL → DSM
1h 10m · 258 mi
View STL to DSM flights →
Leg 2
DSM → SLC
2h 55m · 956 mi
View DSM to SLC flights →
STL TUL (Tulsa) SLC
Leg 1: 1h 25m (350 mi) Leg 2: 3h (926 mi) Total: ~4h 25m 🍃 261 kg CO₂ (+34% vs. direct)
Leg 1
STL → TUL
1h 25m · 350 mi
View STL to TUL flights →
Leg 2
TUL → SLC
3h · 926 mi
View TUL to SLC flights →

Frequently Asked Questions

How long is the direct flight from Saint Louis to Salt Lake City?

A nonstop flight from Saint Louis (STL) to Salt Lake City (SLC) takes approximately 3 hours and 17 minutes. The distance is 1,155 miles (1,859 km).

Which airlines fly nonstop from Saint Louis to Salt Lake City?

2 airlines: Delta Air Lines, Southwest Airlines.

Is there a nonstop flight from Saint Louis to Salt Lake City?

Yes. 2 airlines: Delta Air Lines, Southwest Airlines.

How far is Saint Louis from Salt Lake City?

The flight distance from Saint Louis to Salt Lake City is 1,155 miles (1,859 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Miami.

What type of aircraft flies from Saint Louis to Salt Lake City?

At 3h 17m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.

What is the carbon footprint of a flight from Saint Louis to Salt Lake City?

Roughly 195 kg CO2 per passenger one-way. That's about the same as driving 975 km.

Is the return flight from Salt Lake City to Saint Louis also nonstop?

Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.

When is the cheapest time to fly from Saint Louis to Salt Lake City?

Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.

How early should I arrive at Saint Louis Airport for this flight?

1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.