$90 Find Cheap Flights from St. Louis to Utah

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to Utah departing on 7/28. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Utah

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Utah, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Utah, as well as popular online travel agencies
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Cheap Flights from St. Louis to Utah

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Salt Lake City
Salt Lake City1 stop$200
Moab
Moab2 stops$574
Salt Lake City
Salt Lake City1 stop$200
Moab
Moab2 stops$574

Book Cheap St. Louis to Utah Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to Utah that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to Utah

Tue, Jul 21 - Sat, Jul 25
Frontier Logo
8:08 pm - 7:31 am
STL
-
SLC
12h 23m
1 stop
Frontier Logo
8:16 am - 7:23 pm
SLC
-
STL
10h 07m
1 stop
$200Frontier
Tue, Jul 28 - Sat, Aug 1
Frontier Logo
8:08 pm - 7:31 am
STL
-
SLC
12h 23m
1 stop
Frontier Logo
6:05 am - 7:23 pm
SLC
-
STL
12h 18m
1 stop
$202Frontier
Fri, Aug 7 - Wed, Aug 12
Frontier Logo
7:10 pm - 9:26 am
STL
-
SLC
15h 16m
1 stop
Frontier Logo
8:16 am - 7:23 pm
SLC
-
STL
10h 07m
1 stop
$209Frontier
Tue, Oct 20 - Tue, Oct 27
Frontier Logo
8:10 pm - 12:24 am
STL
-
SLC
5h 14m
1 stop
Frontier Logo
9:42 pm - 10:39 pm
SLC
-
STL
23h 57m
1 stop
$210Frontier
Mon, Aug 3 - Wed, Aug 5
Frontier Logo
7:10 pm - 9:26 am
STL
-
SLC
15h 16m
1 stop
Frontier Logo
6:05 am - 7:23 pm
SLC
-
STL
12h 18m
1 stop
$215Frontier
Tue, Sep 29 - Tue, Oct 6
Frontier Logo
12:46 pm - 1:56 pm
STL
-
SLC
26h 10m
1 stop
Frontier Logo
2:51 pm - 11:51 am
SLC
-
STL
20h 00m
1 stop
$220Frontier
Tue, Aug 4 - Fri, Aug 7
Frontier Logo
8:08 pm - 2:55 pm
STL
-
SLC
19h 47m
1 stop
Frontier Logo
3:41 pm - 7:23 pm
SLC
-
STL
26h 42m
1 stop
$221Frontier
Tue, Aug 4 - Thu, Aug 6
Frontier Logo
8:08 pm - 7:31 am
STL
-
SLC
12h 23m
1 stop
Frontier Logo
1:52 pm - 6:15 pm
SLC
-
STL
27h 23m
1 stop
$223Frontier
Tue, Jul 7 - Sat, Jul 11
Multiple Airlines Logo
3:41 pm - 2:05 pm
STL
-
CNY
23h 24m
2 stops
Multiple Airlines Logo
3:00 pm - 7:23 pm
CNY
-
STL
27h 23m
1 stop
$574Multiple Airlines
Tue, Jul 7 - Sat, Jul 11
Multiple Airlines Logo
8:08 pm - 2:05 pm
STL
-
CNY
18h 57m
1 stop
Multiple Airlines Logo
3:00 pm - 7:23 pm
CNY
-
STL
27h 23m
1 stop
$606Multiple Airlines
Booking Insights

KAYAK's insights & trends for St. Louis to Utah flights

Get data-powered insights and trends into flights from St. Louis to Utah to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from St. Louis to Utah?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from St. Louis to Utah departing in July.

What is the cheapest St. Louis to Utah flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest ticket to Utah from St. Louis found in the last 5 days was to Salt Lake City, at $209 round-trip. The most popular route is from St. Louis (STL) to Salt Lake City (SLC), and the cheapest round-trip airline ticket found on this route in the last 5 days was $209.

What is the cheapest time of day to fly to Utah?

The average price for all round-trip flights from St. Louis to Utah depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.

The cheapest time of day to fly to Utah is generally in the evening, when round-trip flights cost $392 on average. Morning departures are around 28% more expensive than evening flights, on average. The most expensive time of day to fly to Utah is generally in the morning, which is peak travel time and where the average cost of a ticket is $503.

What is the cheapest month to fly from St. Louis to Utah?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from St. Louis to Utah, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from St. Louis to Utah is November, when tickets cost $77 (return) on average. On the other hand, the most expensive months are March and April, when the average cost of round-trip tickets is $171 and $160 respectively.

What’s the cheapest day of the week to fly from St. Louis to Utah?

The average price of all round-trip flights from St. Louis to Utah clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from St. Louis to Utah, look for departures on Thursdays and avoid leaving on a Monday, as it's usually the priciest day. When flying back from Utah, Tuesday is the cheapest day to fly and Monday is the most expensive.

How far in advance should I book a flight from St. Louis to Utah?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from St. Louis to Utah, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from St. Louis to Utah, you should book around 4 weeks before departure, which saves you about 25% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 9 weeks before departure.

Good to know

Low seasonNovember
Cheapest flight$90
Best time to beat the crowds with an average 5% drop in price.
Most popular time to fly and prices are also 16% lower on average.
Flight from St. Louis to Salt Lake City

FAQs - booking Utah flights

  • How does KAYAK find such low prices on flights from St. Louis to Utah?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from St. Louis to Utah.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from St. Louis to Utah?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from St. Louis to Utah is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from St. Louis to Utah?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from St. Louis to Utah with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. Louis to Utah?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from St. Louis to Utah up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 5 airlines serving from St. Louis to Utah

 
See real verified KAYAK customer reviews for airlines flying from St. Louis to Utah. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from St. Louis to Utah? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
SouthwestOverall score based on 4245 reviews
7.0Food
7.5Entertainment
8.1Boarding
8.0Comfort
8.6Crew
Airline reviews

Snacks are always pretzels. Why can't you also offer peanuts ?

6.0 GoodAnonymous, Mar 2026
STL - HOU
Read more Southwest reviews

Snacks are always pretzels. Why can't you also offer peanuts ?

Only downside was the legroom and seat width, which is always a problem unless I spend more for a premium seat.

Very good. Sad to learn Southwest is going start to charge for bags

Exceptional crew! Friendly and professional. Pleasant attitude and treated everyone with respect.

The flight was promptly on schedule and Southwest delivered everything they promised. No excuses for any shortfalls just 100% ownership of their responsibilities and business. The boarding and seating policy is a complete shambles. What started out as a great idea when Southwest first hit the market has been turned into a disaster due to the lack of integrity in many of the people who fly Southwest and take advantage of Southwest generosity at the expense of their fellow passengers.

Crew was excellent - Plane was fine. Media was good, could use more kid shows; Not a fan of the brownie brittle -- snack could be slightly better.

Left on time and arrived early. Brand new plane and no parts missing. Comfortable seats. The actual Captain spoke prior to the flight and reassured everyone about safety. Crew was so nice and fun. Perfect flight!

Everything went smoothly and the plane wasn’t full. It was delayed though. The delay was increased due to a crew change which was frustrating.

Love Southwest! Always a good trip with a happy crew who goes out of their way to be kind and fun.

friendly staff for the most part. they thought we were going to have bad turbulence so no drink service. there wasn't any turbulence. Iwish you had a choice of snacks

From checking to boarding, it was a seamless experience. The service agents were so helpful. The flight crew was so pleasant.

THEY FAILED ME AND I NEVER GOT ON THE FLIGHT BECAUSE IT WAS SO DELAYED! I ENDED UP HAVING TO PAY OUT OF POCKET FOR A HOTEL AND STAY IN NASHVILLE TO CATCH A FLIGHT FOR THE FOLLOWING DAY. DELTA IS POOR CUSTOMER SERVICE>

I was in first class and literally the men behind me were so aggressively loud I moved myself to economy. This has become so common on Delta - people using audio without headphones, and men on 12am / late night flights drinking and yelling to talk to each other which prevents anyone around them from resting. Pretty crazy to have to move from first to economy (poorer service, less comfort...). Wild wild. Looking into other airlines.

First flight out and was 85 minutes delayed. Notification came out way too late

Departure was delayed resulting in me missing my connection. Delta did not autimatically find me another flight.

Great flight with Delta! Boarding was quick and easy, the amenities were solid, and the plane was in great shape. The flight attendants had a fun, lively energy while staying professional. All in all, a smooth trip — even managed to catch up on some rest. Thanks, Delta!

My flight was canceled after being rescheduled for four days canceling my trip. Kayak and everyone affiliated with it I.e the airlines, and just fly have been excruciating to deal with. My trip to visit family had to be canceled as there was no way to make it. I am furious at all of you.

They delayed our flight because of bad weather in NY which was completely understandable. Then they cancelled our flight and a later flight that evening. The earliest we could fly was the next morning. We ended up buying last minute tickets on another airline and made it home slightly delayed but safely that evening. Delta kept saying it was weather related but if that was the case how did we make it back on another airline? The weather in NY was cloudy but not bad.

The plane smelled like a sewer. Multiple passengers complained. It’s a safety and quality issue to clean these planes.

We were delayed 2 hours leaving STL. I had 20 mins from when we landed in SLC terminal A to make it to SLC terminal B. I had to actually run! thankfully I made my flight but 3/4 legs were delayed to some capacity.

Fine not above and beyond as I had a connection that was delayed due to maintenance

HORRIBLE, my initial flight was cancelled, they made me pay $200 extra dollars and that got cancelled as well! After 6 cancellations I decided to get a refund because I needed to get home to my babies. Out of $1000+ dollars they offered me only $40 in refund! Totally unacceptable! The flight that they cancelled I was able to fly it on another airline. I had to spend $400 on one way tickets just to get home! I’m still getting the runaround.

Flight was delayed. De-icing took a while. When we landed had to wait for another plane to vacate our gate. Just an overall bad experience.

Flight was delayed only slightly before takeoff due to traffic control. However, the flight arrived early to ORD. Good flight. United has been very reliable for me.

Our flight was understandably diverted to a small regional airport in Laramie, Wyoming due to weather conditions, which I fully recognize and appreciate. However, the low rating stems from the experience that followed: passengers remained on board for over an hour without the option to deplane and stretch, despite the aircraft being stationary. Although the pilot opened the cabin door, only he was permitted to exit. Meanwhile, passengers grew increasingly uncomfortable as warm summer air entered the cabin through the open door, and being in the second row meant we were impacted immediately. While the flight attendants made efforts to keep everyone at ease, I believe allowing passengers to deplane briefly, given the extended delay, would have significantly improved the overall experience.

Overall a very poor experience - booked premium economy tickets but due to last minute flight delays , all my itinery went for a toss and had to fly economy class with no access to lounge or any compensation by united airlines to make up for the flight delays . i had expected better experience than that from united.

737 Max was leaking water into the cabin through the windows. Overhead bins opened on landing. Bad bad plane.

Flight was canceled 12 hours before take-off due to “weather”

Onboarding - it would be great to see on the screen what group they were boarding. It was very confusing on who was boarding (even though they called it out) they were not clear and the space to board was strange.

Older plane. Food was really bad, almost not worth the effort. Huge difference with European based airlines.

American delayed the flight for a crew rest period. The delay occurred late in the evening - the earliest i can find is 10:20 pm. With a 6 am flight anyone on the flight would have already have been asleep (unless you are insane, a vampire or on drugs) and at least for me i was already on the way to the airport at 445 am the next morning when i discovered they delayed the flight until 9 am. Given the incoming flight was in the air at 6 pm the evening before this should have been figured out a lot more timely that was there only crew to use. Just frustrating given there is no consideration for customer experience anymore in flying.

Good crew and flight was on time. It’s a small plane with limited overhead luggage space. They said the overhead space was full and I had to check my bag. There was still space when I got on. Waiting for my checked luggage added 30 minutes to my trip. Not the end of the world but also not great.

Trip delayed for 2 hours because of rain. We boarded and have to get down the flight and reboard again.

No enough space plus only allowing one laggage instead of two like other airlines.

Qatar airways ,boarding arrangements at Hamid international airport could been better

Two flight changes before the scheduled flight. On the day of the flight, the flight was delayed, which caused the connecting flight to be missed. Then, I was directed to another airport (CUN) and traveled to Tulum. American gave a $12 voucher for lunch. The least expensive item on the menu at a Mexican restaurant was $9.99. Driving to Tulum was a bad auto crash, and traffic was delayed two-plus hours. The bottom line is that we should have been at the hotel at noon, but it ended up at 11:30 PM.

Miami lounges were overcrowded and we were unable to get in. We only had a short time. But the banks are too tight in all American hubs

Overall boarding and debarking is a joke. I dont even bring luggage anymore on trips because you can never allow them to be place then in the overhead bin or you have to pay or you check them which is even worse having to wait for your luggage on the tarmac.

First time flying internationally with AA and probably my last. Not military friendly at all. Didn't allow free checked bag for military family members (dependents) on orders like other airlines. We were charged $100 for baggage weight overage (5 lbs!)even though we had military orders allowing us extra.. Didn’t allow military members to board early. Inefficient and long wait time to board. Seats are smaller and more uncomfortable than other airlines.. no drink service for over 7 hrs of flight! After initial meal was served, the crew never offered a snack or drinks until the breakfast's was served 1 1/2 hrs before landing. Overall expensive and poor experience for the entire flight.

Boarding process was good. I was assigned the most rear (non-reclining) seat in both directions, which wasn't great.

Crew was kind of grumpy and there was no beverage service at all. Sodas were $4. Disappointing.

There weren't enough employees at check in took awhile to get bags checked. There wasn't a wheel chair for me, I was sent to someone who turns out to work for a different airline, if My flight hadn't been delayed I probably would have missed my flight as it was, by the time I arrived at my gate, they started boarding in about 15 minutes. I don't know who took me to my gate, definitely was not the normal people who take passengers to the gate. I'm guessing she may have been in a management position. I wish I knew her name, she went beyond to help me. With that said everyone was kind, and were doing the best they could. So, I choose to say it was an Adventure, stressful start, but good. In the end went well. The situation was not only difficult for passengers but the employee's.

No way to get boarding pass on my phone. In order to print the bag ticket a boarding pass is needed. Asked the agent to print me one, they said they typically do not due this as its so much work. I showed the email confirmation and I asked how i could do it my self the agent replied he did not know as there was no link. The flight was delayed due to an attendant forgetting to come to work. On the flight no drinks were offered only for purchase meals.

The seats were dirty with crumbs and trash , looked it had not been cleaned up from a previous flight

The last time I flew Frontier was in the 1960s when it was a “real” airline. We flew this time because of the price & schedule. As the saying goes, you get what you pay for.

I’ve never flown frontier without a flight getting canceled. I understand that things go wrong with planes, but all other airlines handle cancellations so well. Frontier becomes a dumpster fire if a problem appears for them.

Flight was canceled with little warning. Flight was rebooked through Ontario, California and connecting flight was delayed by over three hours. Frontier is living up to their Greyhound of the skies reputation for sure.

Left Denver late, then sat on tarmac 30 min after arrival

I have come to accept Frontier as an absolute no-frills airline, paying for everything I want. A 4.5-hour flight should provide me with a complimentary beverage—rather, $4.9x for a soda. Or a bottle of water ought to be extended at no cost. 4 beers are on the menu, but only 1 type of beer is available (at $9.95). Also, so many restrictions to using a voucher from Barclay‘s Credit Card. Finally, try to reach a live agent for Frontier- impossible!

It’s a cheap airline and I wish if they had better seats.

Everything you need to know for your flight from St. Louis to Utah

Information on your arrival and departure airports