$78 Find Cheap Flights from St. Louis to Salt Lake City - Compare and Save

These are the earliest and latest flight times available from St. Louis to Salt Lake City:

• Earliest: departs at 7:05 am and lands at 10:24 am
• Latest: departs at 7:38 pm and lands at 10:57 pm.

The flight takes about 3h 19m.

Three cabin classes are available on flights from St. Louis to Salt Lake City:

• Economy Class
• Premium Economy Class
• First Class

A nonstop flight from St. Louis to Salt Lake City takes 3h 19m, covering 1,153 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Round-trip flights from St. Louis to Salt Lake City range from $399 to $578, with an average of $473 over the past 12 months. Anything below $399 counts as a good deal.

Last-minute fares on this route - booked within 2 weeks of departure - run 34% above the route average of $473. Book 20 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $320 round-trip via Las Vegas Harry Reid Intl (LAS), compared to $499 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $35–$90 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Boeing 737 MAX 8 family is used most often on this route, operated mainly by Southwest and American Airlines. Other aircraft seen on the route include Boeing 737-800 Passenger/BBJ2 (winglets) variants.

Morning is the busiest departure period on St. Louis to Salt Lake City flights, with 34% of flights leaving in that window. Afternoon departures account for 33%, evening flights for 33%, and night flights for 0%.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $158 to $1,122. That means the highest observed fare was about 7x higher than the lowest one.

Delta is the only airline on the St. Louis to Salt Lake City route offering in-flight Wi-Fi. Pricing depends on fare class.

One-way fares from St. Louis to Salt Lake City are currently lower than usual. Average one-way flight prices are about $192, which is 26% below the typical average for this route.

Salt Lake City Airport (SLC) hosts 5 major car rental companies, with daily rates starting from around $16 for economy cars. Top options include:
• Fox
• Hertz
• Dollar
• NU Car
• Thrifty

Flights from St. Louis to Salt Lake City usually depart from Lambert-St Louis (STL) and arrive at Salt Lake City (SLC).

One-stop flights from St. Louis to Salt Lake City most commonly connect through:

• Denver Intl (DEN) - 91% of one-stop connections
• Dallas Love Field (DAL) - 2% of one-stop connections
• Las Vegas Harry Reid Intl (LAS) - 2% of one-stop connections
• Chicago Midway (MDW) - 1% of one-stop connections

Denver Intl (DEN) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 19% on the St. Louis to Salt Lake City route. Thursday is the cheapest departure day at $436 round-trip on average, while Monday is the most expensive at $537, a difference of $101. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Only Delta operates flights between St. Louis and Salt Lake City.

Flying via Minneapolis St Paul (MSP) gives the shortest average 1-stop total travel time at 5h 36m, compared with 6h 08m via Dallas Love Field (DAL) and 6h 27m via Chicago Midway (MDW).

Salt Lake City is 1 hour behind St. Louis (Mountain Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Salt Lake City are Salt Palace Convention Center, Vivint Smart Home Arena and Temple Square. These are among the most viewed places in Salt Lake City on KAYAK.

Among airlines operating St. Louis to Salt Lake City flights:

• Delta: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• Delta: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.