$94+ Cheap flights from Utah to St. Louis (STL)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — STL
Apr 19 — Apr 261
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Utah to St. Louis with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Utah to St. Louis
Cheapest
Best
Last-minute
One-way
Cheapest flights from Utah to St. LouisExplore the most affordable flight options available from Utah to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 20, 2026.
Explore the most affordable flight options available from Utah to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 20, 2026.
This CheapOair deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/101:47 pm
SLC
- STL
1 stop9h 11m
Frontier
Sat 4/188:17 pm
STL
- SLC
1 stop12h 44m
Frontier
Deal found 3/19![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/242:49 pm
SLC
- STL
1 stop27h 43m
Frontier
Mon 4/278:17 pm
STL
- SLC
1 stop15h 57m
Frontier
Deal found 3/18![Frontier logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:35 am
SLC
- STL
1 stop10h 46m
Frontier
Mon 4/278:17 pm
STL
- SLC
1 stop27h 57m
Frontier
Deal found 3/18![Frontier logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/99:17 pm
SLC
- STL
1 stop11h 31m
Frontier
Mon 4/138:19 pm
STL
- SLC
1 stop15h 55m
Frontier
Deal found 3/16![Frontier logo]()
$187
This CheapOair deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/168:23 am
SLC
- STL
1 stop10h 00m
Frontier
Tue 5/196:51 pm
STL
- SLC
1 stop15h 39m
Frontier
Deal found 3/20![Frontier logo]()
$191
This Frontier deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:35 am
SLC
- STL
1 stop10h 46m
Frontier
Thu 4/239:55 pm
STL
- SLC
1 stop11h 57m
Frontier
Deal found 3/16![Frontier logo]()
$200
This Orbitz deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/91:47 pm
SLC
- STL
1 stop17h 04m
Frontier
Thu 4/168:06 pm
STL
- SLC
1 stop15h 48m
Frontier
Deal found 3/18![Frontier logo]()
$204
This Mytrip deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/149:59 pm
SLC
- STL
1 stop24h 20m
Frontier
Fri 4/179:55 pm
STL
- SLC
1 stop15h 04m
Frontier
Deal found 3/16![Frontier logo]()
$209
This CheapOair deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/149:59 pm
SLC
- STL
1 stop24h 20m
Frontier
Thu 4/168:06 pm
STL
- SLC
1 stop12h 55m
Frontier
Deal found 3/15![Frontier logo]()
$211
This Expedia deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/710:54 pm
SLC
- STL
1 stop19h 29m
Frontier
Sun 5/1012:16 pm
STL
- SLC
1 stop22h 14m
Frontier
Deal found 3/16![Frontier logo]()
$221
Best flights from Utah to St. LouisDiscover carefully curated flight deals from Utah to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 20, 2026.
Discover carefully curated flight deals from Utah to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 20, 2026.
This Alaska Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/208:40 pm
SLC
- STL
1 stop26h 19m
Alaska Airlines
Wed 4/294:46 pm
STL
- SLC
1 stop8h 13m
Alaska Airlines
Deal found 3/16![Alaska Airlines logo]()
$380
This Delta deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/128:45 pm
SLC
- STL
Nonstop2h 51m
Delta
Sun 6/147:30 am
STL
- SLC
Nonstop3h 16m
Delta
Deal found 3/16![Delta logo]()
$439
This Alaska Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/223:37 pm
SLC
- STL
1 stop7h 22m
Alaska Airlines
Wed 4/294:46 pm
STL
- SLC
1 stop8h 13m
Alaska Airlines
Deal found 3/16![Alaska Airlines logo]()
$408
This Delta deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/248:40 pm
SLC
- STL
Nonstop2h 45m
Delta
Mon 4/277:00 am
STL
- SLC
Nonstop3h 19m
Delta
Deal found 3/18![Delta logo]()
$439
This Delta deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/248:40 pm
SLC
- STL
Nonstop2h 45m
Delta
Sun 4/266:45 pm
STL
- SLC
Nonstop3h 17m
Delta
Deal found 3/18![Delta logo]()
$439
This Delta deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/178:45 pm
SLC
- STL
Nonstop2h 51m
Delta
Sun 7/267:30 am
STL
- SLC
Nonstop3h 16m
Delta
Deal found 3/19![Delta logo]()
$439
This Delta deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/95:24 pm
SLC
- STL
1 stop4h 57m
Delta
Mon 5/117:00 am
STL
- SLC
Nonstop3h 11m
Delta
Deal found 3/17![Delta logo]()
$449
This Delta deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1811:15 am
SLC
- STL
1 stop4h 35m
Delta
Thu 4/236:45 pm
STL
- SLC
Nonstop3h 17m
Delta
Deal found 3/19![Delta logo]()
$449
This Delta deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/118:45 pm
SLC
- STL
Nonstop2h 51m
Delta
Sun 6/147:30 am
STL
- SLC
Nonstop3h 16m
Delta
Deal found 3/15![Delta logo]()
$459
Last-minute flights from Utah to St. LouisDiscover last-minute flight deals from Utah to St. Louis. Data last updated March 20, 2026 and is based on user searches.
Discover last-minute flight deals from Utah to St. Louis. Data last updated March 20, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/99:17 pm
SLC
- STL
1 stop11h 31m
Frontier
Mon 4/138:19 pm
STL
- SLC
1 stop15h 55m
Frontier
Deal found 3/16![Frontier logo]()
$187
This Orbitz deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/91:47 pm
SLC
- STL
1 stop17h 04m
Frontier
Thu 4/168:06 pm
STL
- SLC
1 stop15h 48m
Frontier
Deal found 3/18![Frontier logo]()
$204
This CheapOair deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/101:47 pm
SLC
- STL
1 stop9h 11m
Frontier
Sat 4/188:17 pm
STL
- SLC
1 stop12h 44m
Frontier
Deal found 3/19![Frontier logo]()
$171
This Mytrip deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/149:59 pm
SLC
- STL
1 stop24h 20m
Frontier
Fri 4/179:55 pm
STL
- SLC
1 stop15h 04m
Frontier
Deal found 3/16![Frontier logo]()
$209
This CheapOair deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/149:59 pm
SLC
- STL
1 stop24h 20m
Frontier
Thu 4/168:06 pm
STL
- SLC
1 stop12h 55m
Frontier
Deal found 3/15![Frontier logo]()
$211
This Frontier deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:35 am
SLC
- STL
1 stop10h 46m
Frontier
Thu 4/239:55 pm
STL
- SLC
1 stop11h 57m
Frontier
Deal found 3/16![Frontier logo]()
$200
This Orbitz deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:35 am
SLC
- STL
1 stop10h 46m
Frontier
Sun 4/199:55 pm
STL
- SLC
1 stop21h 18m
Frontier
Deal found 3/16![Frontier logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:35 am
SLC
- STL
1 stop10h 46m
Frontier
Mon 4/278:17 pm
STL
- SLC
1 stop27h 57m
Frontier
Deal found 3/18![Frontier logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/242:49 pm
SLC
- STL
1 stop27h 43m
Frontier
Mon 4/278:17 pm
STL
- SLC
1 stop15h 57m
Frontier
Deal found 3/18![Frontier logo]()
$181
One-way flights from Utah to St. LouisSearch for one-way flight options from Utah to St. Louis. Find affordable one-way fares based on user searches. Data last updated March 20, 2026.
Search for one-way flight options from Utah to St. Louis. Find affordable one-way fares based on user searches. Data last updated March 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:00 am
SLC
- STL
1 stop10h 32m
Frontier
Deal found 3/16![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/163:19 pm
SLC
- STL
1 stop27h 02m
Frontier
Deal found 3/17![Frontier logo]()
$95
This Super.com deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/91:47 pm
SLC
- STL
1 stop8h 38m
Frontier
Deal found 3/19![Frontier logo]()
$99
This Priceline deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/91:32 pm
SLC
- STL
1 stop5h 51m
Frontier
Deal found 3/17![Frontier logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1710:13 pm
SLC
- STL
1 stop20h 19m
Frontier
Deal found 3/17![Frontier logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:49 pm
SLC
- STL
1 stop22h 32m
Frontier
Deal found 3/17![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/1510:54 pm
SLC
- STL
1 stop19h 29m
Frontier
Deal found 3/19![Frontier logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/57:35 am
SLC
- STL
1 stop25h 13m
Frontier
Deal found 3/15![Frontier logo]()
$114
This Frontier deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/161:32 pm
SLC
- STL
1 stop5h 51m
Frontier
Deal found 3/15![Frontier logo]()
$121
This Priceline deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/211:12 pm
SLC
- STL
1 stop5h 11m
Frontier
Deal found 3/18![Frontier logo]()
$125
Find flight deals from Utah to St. Louis
Keep the following information in mind while searching for Utah to St. Louis flight deals. Data was last updated March 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $171 (CheapOair) |
One-way from | $94 (Kiwi.com) |
Popular in | November |
Cheapest in | June |
Average price | $423 |
Good round-trip deal | $399 or less |
Good one-way deal | $338 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Utah to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 20, 2026.
Use the filters below to find and compare flights from Utah to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Salt Lake CitySt. Louis
SLC - STL
SLCSTL
Salt Lake City
Mon 4/20
8:40 pm-11:59 pm
1 stop26h 19m
Lambert-St Louis
Wed 4/29
4:46 pm-11:59 pm
1 stop8h 13m
$380
Salt Lake CitySt. Louis
SLC - STL
SLCSTL
Salt Lake City
Wed 4/22
3:37 pm-11:59 pm
1 stop7h 22m
Lambert-St Louis
Wed 4/29
4:46 pm-11:59 pm
1 stop8h 13m
$408
Salt Lake CitySt. Louis
SLC - STL
SLCSTL
Salt Lake City
Fri 6/12
8:45 pm-12:36 am
Nonstop2h 51m
Lambert-St Louis
Sun 6/14
7:30 am-9:46 am
Nonstop3h 16m
$439
Salt Lake CitySt. Louis
SLC - STL
SLCSTL
Salt Lake City
Fri 4/24
8:40 pm-12:25 am
Nonstop2h 45m
Lambert-St Louis
Mon 4/27
7:00 am-9:19 am
Nonstop3h 19m
$439
Quickest round-trip
Salt Lake CitySt. Louis
SLC - STL
SLCSTL
Salt Lake City
Fri 4/24
8:40 pm-12:25 am
Nonstop2h 45m
Lambert-St Louis
Sun 4/26
6:45 pm-9:02 pm
Nonstop3h 17m
$439
Salt Lake CitySt. Louis
SLC - STL
SLCSTL
Salt Lake City
Fri 7/17
8:45 pm-12:36 am
Nonstop2h 51m
Lambert-St Louis
Sun 7/26
7:30 am-9:46 am
Nonstop3h 16m
$439
Salt Lake CitySt. Louis
SLC - STL
SLCSTL
Salt Lake City
Sat 5/9
5:24 pm-11:21 pm
1 stop4h 57m
Lambert-St Louis
Mon 5/11
7:00 am-9:11 am
Nonstop3h 11m
$449
Salt Lake CitySt. Louis
SLC - STL
SLCSTL
Salt Lake City
Sat 4/18
11:15 am-4:50 pm
1 stop4h 35m
Lambert-St Louis
Thu 4/23
6:45 pm-9:02 pm
Nonstop3h 17m
$449
Salt Lake CitySt. Louis
SLC - STL
SLCSTL
Salt Lake City
Thu 6/11
8:45 pm-12:36 am
Nonstop2h 51m
Lambert-St Louis
Sun 6/14
7:30 am-9:46 am
Nonstop3h 16m
$459
Cheapest one-way
Salt Lake CitySt. Louis
SLC - STL
SLCSTL
Salt Lake City
Thu 4/9
11:49 am-11:58 pm
2 stops35h 09m
$137
Showing 1-10 of 18 resultsSorted by cheapest first
Best time to book a flight from Utah to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Utah with our price prediction graph.
SLC-STL
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Utah to St. Louis
USUT-STL
SLC-STL
What is the cheapest month to book a flight from Utah to St. Louis?
Currently, September is the cheapest month in which you can book a flight from Utah to St. Louis (average of $180). Flying from Utah to St. Louis in January is currently the most expensive (average of $278). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from UT to STL?
Find hourly flight availability from Utah to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 20, 2026.
It’s typically best to fly out from Utah to St. Louis in the evening. Doing so could potentially save you 34% on the flight price compared to flying in the afternoon, which is usually more expensive.
What is the cheapest day to fly from Utah to St. Louis?
Use this chart to determine the cheapest time to fly round-trip from Utah to St. Louis. Price data was last updated on March 14, 2026.
Travelers seeking maximum savings on their Utah to St. Louis flight should consider departing on Saturday at noon when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Related info for your journey
Find useful and relevant information for your journey from Utah to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsEdwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
St. Louis flight routes
Top destinations
Alternative routes for Utah to St. Louis
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to St. Louis by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Utah to St. Louis by cabin class
Find flights from Utah to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Utah and St. Louis flights
Browse other Utah and St. Louis flight options. Last updated on March 20, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to St. Louis
Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 20, 2026.
Utah to St. Louis flights
Consider these flights traveling from Utah to St. Louis.
Top 5 airlines flying from Utah to St. Louis
Discover the top 5 airlines that operate flights from Utah to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$140 | Average$231 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$249 | Average$406 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$271 | Average$442 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$306 | Average$438 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$328 | Average$455 | FlexibilityNo cancel fee | On-timeN/A |