Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Salt Lake City to St. Louis from $112

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Salt Lake City to St. Louis departing on 9/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Salt Lake City to St. Louis

Cheap round-trip flights

Frontier Logo
9:43 pm - 9:07 amSLC-STL
10h 24m1 stop
Frontier Logo
7:52 pm - 12:16 amSTL-SLC
5h 24m1 stop
$214Frontier
Find Deal
Thu, Sep 4 - Sun, Sep 14
Frontier Logo
12:52 pm - 9:11 amSLC-STL
19h 19m1 stop
Frontier Logo
7:54 pm - 9:59 amSTL-SLC
15h 05m1 stop
$217Frontier
Find Deal
Tue, Aug 19 - Wed, Aug 20
American Airlines Logo
12:18 am - 8:19 amSLC-STL
7h 01m1 stop
American Airlines Logo
6:06 am - 4:05 pmSTL-SLC
10h 59m1 stop
$320American Airlines
Find Deal
Tue, Jul 29 - Wed, Aug 6
American Airlines Logo
8:40 am - 6:27 pmSLC-STL
8h 47m2 stops
American Airlines Logo
7:10 am - 3:21 pmSTL-SLC
9h 11m1 stop
$328American Airlines
Find Deal
Wed, Sep 10 - Mon, Sep 15
United Airlines Logo
2:36 pm - 8:45 pmSLC-STL
5h 09m1 stop
United Airlines Logo
6:33 am - 11:40 amSTL-SLC
6h 07m1 stop
$337United Airlines
Find Deal
Tue, Jul 8 - Tue, Jul 15
Southwest Logo
10:35 am - 5:50 pmSLC-STL
6h 15m2 stops
Southwest Logo
10:15 am - 4:55 pmSTL-SLC
7h 40m2 stops
$347Southwest
Find Deal
Tue, Aug 19 - Wed, Aug 20
United Airlines Logo
7:00 am - 3:44 pmSLC-STL
7h 44m2 stops
United Airlines Logo
1:39 pm - 10:42 pmSTL-SLC
10h 03m1 stop
$406United Airlines
Find Deal
Tue, Aug 19 - Wed, Aug 20
Southwest Logo
11:05 am - 6:05 pmSLC-STL
6h 00m1 stop
Southwest Logo
2:05 pm - 9:20 pmSTL-SLC
8h 15m2 stops
$410Southwest
Find Deal
Thu, Jul 31 - Sat, Aug 16
Delta Logo
8:50 pm - 12:38 amSLC-STL
2h 48mnonstop
Delta Logo
7:45 am - 9:55 amSTL-SLC
3h 10mnonstop
$439Delta
Find Deal
Fri, Aug 1 - Thu, Aug 7
Delta Logo
2:29 pm - 6:16 pmSLC-STL
2h 47mnonstop
Delta Logo
5:37 pm - 10:12 pmSTL-SLC
5h 35m1 stop
$449Delta
Find Deal
Fri, Aug 1 - Mon, Aug 4

Spirit Airlines flights from Salt Lake City to St. Louis

Our best Spirit Airlines deals on Salt Lake City to St. Louis flight tickets
Spirit Airlines
Jul 9
SLC12:33 pmSalt Lake City
20h 19m
1 stop
STL9:52 amLambert-St Louis
Jul 16
STL11:24 amLambert-St Louis
34h 33m
2 stops
SLC8:57 pmSalt Lake City
Spirit Airlines
Sep 11
SLC11:55 amSalt Lake City
18h 54m
1 stop
STL7:49 amLambert-St Louis
Sep 14
STL8:44 amLambert-St Louis
30h 26m
2 stops
SLC2:10 pmSalt Lake City
Spirit Airlines
Jul 10
SLC9:52 pmSalt Lake City
11h 00m
2 stops
STL9:52 amLambert-St Louis
Jul 17
STL10:47 amLambert-St Louis
25h 22m
1 stop
SLC11:09 amSalt Lake City

Alaska Airlines flights from Salt Lake City to St. Louis

Our best Alaska Airlines deals on Salt Lake City to St. Louis flight tickets
Alaska Airlines
Sep 2
SLC7:25 pmSalt Lake City
21h 09m
1 stop
STL5:34 pmLambert-St Louis
Sep 8
STL6:00 amLambert-St Louis
9h 35m
1 stop
SLC2:35 pmSalt Lake City
Alaska Airlines
Aug 20
SLC8:43 pmSalt Lake City
16h 56m
1 stop
STL2:39 pmLambert-St Louis
Aug 23
STL6:00 amLambert-St Louis
15h 30m
2 stops
SLC8:30 pmSalt Lake City
Alaska Airlines
Oct 15
SLC8:30 amSalt Lake City
14h 29m
2 stops
STL11:59 pmLambert-St Louis
Oct 19
STL6:33 amLambert-St Louis
14h 15m
1 stop
SLC7:48 pmSalt Lake City

See travel insights to St. Louis from

How to get the cheapest flight ticket from Salt Lake City to St. Louis

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

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

In general, August is the cheapest month to fly from Salt Lake City to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $268. The month of February is another great option to travel to St. Louis, with average flight prices from Salt Lake City averaging around $359.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Wednesday when prices can be found for as low as $439. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $567. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Salt Lake City in the evening is the least expensive time of day to depart. momondo users have found prices as low as $419 when looking at flights departing in the evening. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $488 per ticket.

What is the cheapest Salt Lake City to Lambert-St Louis flight route?

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

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

You are more likely to see cheaper flights to St. Louis from Salt Lake City when booking 11 weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $400 when searching 11 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Salt Lake City for as low as $310 on momondo.

What cabin class options are available on Salt Lake City to Lambert-St Louis flights?

There are 4 cabin classes available to choose from on Salt Lake City to Lambert-St Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Salt Lake City to St. Louis flight prices changed over time?

As of June 2025, prices for Salt Lake City to St. Louis flights are approximately 18% more expensive when compared to flights at the same time last year.

When to book flights from Salt Lake City to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Salt Lake City to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Salt Lake City to St. Louis (SLC to STL) flight deals and tips

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

Best Price Found

$112

Fastest flight time

2h 47m

Direct flights

Every day

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Salt Lake City in the past 72 hours is $112. The best round-trip flight deal from Salt Lake City to St. Louis found on momondo in the last 72 hours is $214.
The fastest flight from Salt Lake City to St. Louis takes 2h 47m
Direct flights go from Salt Lake City to St. Louis every day.
There is 1 airport near St. Louis: Lambert-St Louis (STL)

  • How far is Salt Lake City to Lambert-St Louis by plane?

    There are 1158.3 mi between Salt Lake City and Lambert-St Louis. In terms of flight time, this usually takes a little over 2h 47m.

  • When did momondo last update prices for flights from Salt Lake City Airport to Lambert-St Louis Airport?

    Prices for flights from Salt Lake City Airport to Lambert-St Louis Airport refresh daily.

  • How many operators does momondo search for flights from Salt Lake City Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from Salt Lake City Airport to Lambert-St Louis Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Salt Lake City Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Salt Lake City to St. Louis?

  • What is the most popular airline from Salt Lake City to St. Louis?


Best airlines flying from Salt Lake City to St. Louis

Compare and see reviews for airlines that fly from Salt Lake City to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $108Free CancellationRating
5.9
3,295 reviews
Search Frontier flights
American AirlinesPriceFrom $276Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $298Free CancellationRating
7.4
8,790 reviews
Search United Airlines flights
SouthwestPriceFrom $350Free CancellationRating
8.0
4,287 reviews
Search Southwest flights
DeltaPriceFrom $359Free CancellationRating
8.0
7,950 reviews
Search Delta flights
  • Southwest Flights From Salt Lake City to St. Louis

    Southwest operates around 3 flights from Salt Lake City to St. Louis every week. The average price of these flights found in the last 72 hours has been $438, but momondo users have found Southwest deals from Salt Lake City to St. Louis from as low as $350 round-trip. Southwest has been scored 8.0/10 in 4,287 reviews.

  • Delta Flights From Salt Lake City to St. Louis

    Delta is also a popular choice for this route. Delta flight deals for Salt Lake City to St. Louis start from as low as $359 round-trip, depending on your selected dates, with average Delta deals seen on momondo around $469. Delta operates 13 flights to St. Louis from Salt Lake City in an average week. Users have rated it 8.0/10 across 7,946 reviews.


Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Florissant
Fairview Heights
Maryland Heights
Collinsville
Fenton
Farmington
O'Fallon
Alton
St. Peters
Wentzville
Glencoe
Festus
Clayton
Eureka
Edwardsville
Grafton
Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Salt Lake City to St. Louis?

It is quick and easy to find Salt Lake City to St. Louis flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to St. Louis that suits you.

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

Yes. momondo enables you to select and highlight flights to St. Louis from Salt Lake City with this policy.

How can momondo help me find flights from Salt Lake City to St. Louis?

momondo helps you find the best flight between Salt Lake City and St. Louis by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to St. Louis from Salt Lake City. 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.


An easier way to manage your St. Louis trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 6/17
Tue 6/24

Find better results for your trip to the United States