What airlines fly to Utah?

Delta, Frontier and Southwest are the top three most popular airlines that fly to Utah from St. Louis according to our data. Delta is the first choice among our users, with 65% of people opting to fly with this airline when traveling to Utah. Keep in mind that there are 5 different airlines that fly to Utah on a routine basis, so you have a few additional options to choose from.

How many flights depart from St. Louis to Utah on average per week?

As of May 2026, 30 flights take off from St. Louis and land in Utah each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.

What is the cheapest airline that flies from Lambert-St Louis to Utah?

Southwest, United Airlines, and Delta are the most popular carriers operating from Lambert-St Louis to Utah

How many flights depart from St. Louis to Utah on average per day?

The number of flights available between St. Louis and Utah is 4 per day as of May 2026. The most frequent departure time is 7:00AM, with 52% of daily flights leaving at noon.

When did momondo last update prices for flights from Lambert-St Louis Airport to Utah?

Prices for flights from Lambert-St Louis Airport to Utah refresh daily.

How many operators does momondo search for flights from Lambert-St Louis Airport to Utah?

As of May 2026, there are 5 operators available to choose from for flights from Lambert-St Louis Airport to Utah.

How old do you have to be to fly from Lambert-St Louis Airport to Utah?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Utah.

What documentation or ID do you need to fly to Utah?

The travel and health documents you'll need for your trip to Utah may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Utah. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$76 Cheap Flights from St. Louis to Utah in 2026

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Find the cheapest flights from St. Louis to Utah

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:10 pm - 8:03 am

STL

SLC

12h 53m

1 stop

6:52 pm - 7:15 pm

SLC

STL

23h 23m

1 stop

$169Frontier

Wed, Oct 14 - Tue, Oct 20

3:34 pm - 8:22 pm

STL

SLC

5h 48m

1 stop

8:16 am - 7:23 pm

SLC

STL

10h 07m

1 stop

$190Frontier

Tue, Aug 11 - Wed, Aug 12

6:33 pm - 2:55 pm

STL

SLC

21h 22m

2 stops

10:41 pm - 7:23 pm

SLC

STL

19h 42m

1 stop

$194Frontier

Tue, Aug 11 - Tue, Aug 18

4:52 pm - 9:26 am

STL

SLC

41h 34m

2 stops

10:41 pm - 7:23 pm

SLC

STL

19h 42m

1 stop

$195Frontier

Mon, Aug 10 - Tue, Aug 18

7:03 pm - 9:35 am

STL

SLC

15h 32m

1 stop

3:41 pm - 6:53 pm

SLC

STL

26h 12m

1 stop

$200Frontier

Wed, Jun 10 - Wed, Jun 17

8:08 pm - 9:55 pm

STL

SLC

26h 47m

1 stop

8:16 am - 6:53 pm

SLC

STL

9h 37m

1 stop

$204Frontier

Tue, Jun 23 - Sat, Jun 27

3:34 pm - 8:22 pm

STL

SLC

5h 48m

1 stop

8:16 am - 7:23 pm

SLC

STL

10h 07m

1 stop

$209Frontier

Thu, Aug 6 - Wed, Aug 12

2:52 pm - 9:26 am

STL

SLC

19h 34m

1 stop

10:41 pm - 7:23 pm

SLC

STL

19h 42m

1 stop

$210Frontier

Fri, Jul 31 - Wed, Aug 5

7:38 pm - 5:10 pm

STL

CNY

22h 32m

1 stop

3:00 pm - 6:18 pm

CNY

STL

26h 18m

2 stops

$459Multiple Airlines

Thu, Jun 11 - Wed, Jun 17

11:25 am - 6:15 pm

STL

CDC

7h 50m

2 stops

9:30 am - 9:09 pm

CDC

STL

10h 39m

2 stops

$609Delta

Sat, May 30 - Wed, Jun 3

Frontier flights from St. Louis to Utah

Our best Frontier deals on St. Louis to Utah flight tickets

Frontier

Oct 14

STL8:10 pmLambert-St Louis

12h 53m

1 stop

SLC8:03 amSalt Lake City

Oct 20

SLC6:52 pmSalt Lake City

23h 23m

1 stop

STL7:15 pmLambert-St Louis

$169

Frontier

Aug 11

STL3:34 pmLambert-St Louis

5h 48m

1 stop

SLC8:22 pmSalt Lake City

Aug 12

SLC8:16 amSalt Lake City

10h 07m

1 stop

STL7:23 pmLambert-St Louis

$190

Frontier

Jun 10

STL7:03 pmLambert-St Louis

15h 32m

1 stop

SLC9:35 amSalt Lake City

Jun 17

SLC3:41 pmSalt Lake City

26h 12m

1 stop

STL6:53 pmLambert-St Louis

$200

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Wed 10/14

8:10 pm-8:03 am

1 stop12h 53m

Salt Lake City

Tue 10/20

6:52 pm-7:15 pm

1 stop23h 23m

$169

Quickest round-trip

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Tue 8/11

3:34 pm-8:22 pm

1 stop5h 48m

Salt Lake City

Wed 8/12

8:16 am-7:23 pm

1 stop10h 07m

$190

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Tue 8/11

6:33 pm-2:55 pm

2 stops21h 22m

Salt Lake City

Tue 8/18

10:41 pm-7:23 pm

1 stop19h 42m

$194

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Mon 8/10

4:52 pm-9:26 am

2 stops41h 34m

Salt Lake City

Tue 8/18

10:41 pm-7:23 pm

1 stop19h 42m

$195

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Wed 6/10

7:03 pm-9:35 am

1 stop15h 32m

Salt Lake City

Wed 6/17

3:41 pm-6:53 pm

1 stop26h 12m

$200

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Tue 6/23

8:08 pm-9:55 pm

1 stop26h 47m

Salt Lake City

Sat 6/27

8:16 am-6:53 pm

1 stop9h 37m

$204

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Thu 8/6

3:34 pm-8:22 pm

1 stop5h 48m

Salt Lake City

Wed 8/12

8:16 am-7:23 pm

1 stop10h 07m

$209

St. LouisSalt Lake City

STL - SLC

STLSLC

Lambert-St Louis

Fri 7/31

2:52 pm-9:26 am

1 stop19h 34m

Salt Lake City

Wed 8/5

10:41 pm-7:23 pm

1 stop19h 42m

$210

St. LouisMoab

STL - CNY

STLCNY

Lambert-St Louis

Thu 6/11

7:38 pm-5:10 pm

1 stop22h 32m

Moab Canyonlands Field

Wed 6/17

3:00 pm-6:18 pm

2 stops26h 18m

$459

St. LouisCedar City

STL - CDC

STLCDC

Lambert-St Louis

Sat 5/30

11:25 am-6:15 pm

2 stops7h 50m

Cedar City

Wed 6/3

9:30 am-9:09 pm

2 stops10h 39m

$609

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from St. Louis to Utah

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Utah?

The cheapest month to fly to Utah from St. Louis is in November. Flight prices, which tend to average around $77, are often lower during this time because this is during the off-season. If you aren’t able to travel to Utah during the month of November, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $90.

What is the cheapest day to depart on your flight to Utah?

The cheapest day to depart on your flight to Utah is on a Thursday when prices can be found for as low as $423. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Utah is Monday, with ticket prices averaging around $492.

What is the cheapest time of day to depart on your flight to Utah?

Our data shows that the cheapest St. Louis to Utah flights are usually those with departure times in the evening. Our users have found flights to Utah in the evening for as low as $371. Flights to Utah are more costly in the morning, with an average ticket price of $498. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Lambert-St Louis to Utah flight route?

Fly from Lambert-St Louis to Salt Lake City for the best Lambert-St Louis - Utah flight prices

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

You are more likely to see cheaper flights to Utah from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Utah for around $450 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Utah from St. Louis for as low as $412 on momondo.

Cheap St. Louis to Utah flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Utah

Best Price Found	$213
Fastest flight time	3h 07m
Direct flights	Mon, Tue, Wed, Fri, Sat and Sun
Airports in Utah	51 airports

The best one-way flight to Utah from St. Louis in the past 72 hours is $213. The best round-trip flight deal from St. Louis to Utah found on momondo in the last 72 hours is $387.

The fastest flight from St. Louis to Utah takes 3h 07m

Direct flights go from St. Louis to Utah on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. There are no airlines offering direct flights.

There are 51 airports in Utah. From St. Louis there are direct flights to Salt Lake City (SLC).

Search flight deals

Frequently asked questions about flying from St. Louis to Utah

When did momondo last update prices for flights from Lambert-St Louis Airport to Utah?
Prices for flights from Lambert-St Louis Airport to Utah refresh daily.
How many operators does momondo search for flights from Lambert-St Louis Airport to Utah?
As of May 2026, there are 5 operators available to choose from for flights from Lambert-St Louis Airport to Utah.
How old do you have to be to fly from Lambert-St Louis Airport to Utah?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Utah.
What documentation or ID do you need to fly to Utah?
The travel and health documents you'll need for your trip to Utah may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Utah. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from St. Louis to Utah?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from St. Louis to Utah is Airbus A319 (21.99% of total bookings). The next most popular plane models are Airbus A220-100 (15.60%), Boeing 737 MAX 8 (14.89%), and Boeing 737-800 Passenger/BBJ2 (winglets) (13.71%).

Best airlines flying from St. Louis to Utah

Compare and see reviews for airlines that fly from St. Louis to Utah with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $105	Free Cancellation	Rating 5.6 2,946 reviews	Search Frontier flights
Southwest	PriceFrom $244	Free Cancellation	Rating 7.9 4,287 reviews	Search Southwest flights
Delta	PriceFrom $258	Free Cancellation	Rating 7.9 8,447 reviews	Search Delta flights
United Airlines	PriceFrom $260	Free Cancellation	Rating 7.4 9,737 reviews	Search United Airlines flights
American Airlines	PriceFrom $263	Free Cancellation	Rating 7.1 11,648 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Utah?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Utah. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from St. Louis to Utah with flexible booking policies on momondo?

momondo does allow users to show only those flights to Utah from St. Louis which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from St. Louis to Utah?

Once all potential St. Louis to Utah flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from St. Louis to Utah right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Utah from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.