Cheap Flights from St. Louis (SUS) to Salt Lake City (SLC)

Popular airlines from St. Louis, MO (SUS-Spirit of St. Louis) to Salt Lake City International Airport (SLC)

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Frequently asked questions

How much does a flight from Spirit of St. Louis Airport (SUS) to Salt Lake City Intl. Airport (SLC) cost?
Grab a cheap one-way flight or cheap return flight from Spirit of St. Louis Airport (SUS) to Salt Lake City Intl. Airport (SLC) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Spirit of St. Louis Airport (SUS) to Salt Lake City Intl. Airport (SLC)?
The cheapest month to fly from SUS to SLC is , when there's less demand. Off-peak season is typically when you'll find lower airfares between these airports.
Which airlines fly direct from Spirit of St. Louis Airport (SUS) to Salt Lake City Intl. Airport (SLC)?
You can't fly nonstop to Salt Lake City Intl. Airport (SLC) from St. Louis, MO (SUS-Spirit of St. Louis). However, you can arrive in Salt Lake City without any layovers by taking off from Lambert-St. Louis Intl. Airport (STL).
What is the cheapest airline that flies from Spirit of St. Louis Airport (SUS) to Salt Lake City Intl. Airport (SLC)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll fly you from SUS to SLC. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from Spirit of St. Louis Airport (SUS) to Salt Lake City Intl. Airport (SLC)?
There aren't any daily nonstop flights available from Spirit of St. Louis Airport (SUS) to Salt Lake City Intl. Airport (SLC). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way in no time.
What day of the week has the most flights from SUS to SLC?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary based on various factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Spirit of St. Louis Airport (SUS) to Salt Lake City Intl. Airport (SLC)?
To avoid possible delays on the Spirit of St. Louis Airport (SUS) to Salt Lake City Intl. Airport (SLC) route, fly before 3 PM. Later departures have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Spirit of St. Louis Airport (SUS) to Salt Lake City Intl. Airport (SLC) last-minute?
Booking your plane ticket from SUS to SLC just before your trip is generally more expensive. But if you're flexible with your travel times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a SUS to SLC flight and hotel package?
Opting for a SUS to SLC flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Pick from our extensive range of hotels and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Spirit of St. Louis Airport (SUS) to Salt Lake City Intl. Airport (SLC)?
In most cases, you can modify or cancel your SUS to SLC flight. However, there may be additional fees, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you need further information, visit our Customer Service portal.

Travel information

Origin airport
Spirit of St. Louis
Destination airport
Salt Lake City Intl.
Distance
1140 mi

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St. Louis to Salt Lake City Flights

The cheapest times to fly from St. Louis to Salt Lake City

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Salt Lake City are during the month of . You can find some of the cheapest flights from St. Louis to Salt Lake City with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Salt Lake City

Sunday is one of the best days to book for cheap flights from St. Louis to Salt Lake City: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Salt Lake City

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Salt Lake City in 2026. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Salt Lake City flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Salt Lake City airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Louis to Salt Lake City Flights

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