$71+ Cheap flights from St. Louis (STL) to Utah
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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SLC
Aug 29 — Sep 51
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Utah 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 St. Louis to Utah
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Cheapest flights from St. Louis to UtahExplore the most affordable flight options available from St. Louis to Utah. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2026.
Explore the most affordable flight options available from St. Louis to Utah. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 9/168:10 pm
STL
- SLC
1 stop15h 31m
Frontier
Tue 9/224:16 pm
SLC
- STL
1 stop26h 01m
Frontier
Deal found 7/29![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 9/131:02 pm
STL
- SLC
1 stop22h 39m
Frontier
Wed 9/238:00 am
SLC
- STL
1 stop10h 17m
Frontier
Deal found 7/30![Frontier logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 9/98:10 pm
STL
- SLC
1 stop15h 31m
Frontier
Sat 9/124:16 pm
SLC
- STL
1 stop18h 51m
Frontier
Deal found 7/29![Frontier logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 9/98:10 pm
STL
- SLC
1 stop15h 31m
Frontier
Mon 9/1411:40 am
SLC
- STL
1 stop6h 37m
Frontier
Deal found 7/29![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 9/67:58 pm
STL
- SLC
1 stop12h 33m
Frontier
Tue 9/87:08 pm
SLC
- STL
1 stop23h 09m
Frontier
Deal found 7/29![Frontier logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 9/67:58 pm
STL
- SLC
1 stop12h 33m
Frontier
Wed 9/911:40 am
SLC
- STL
1 stop6h 37m
Frontier
Deal found 7/29![Frontier logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 9/128:10 pm
STL
- SLC
1 stop15h 31m
Frontier
Mon 9/1411:40 am
SLC
- STL
1 stop6h 37m
Frontier
Deal found 7/29![Frontier logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 9/268:10 pm
STL
- SLC
1 stop15h 31m
Frontier
Wed 9/3011:40 am
SLC
- STL
1 stop6h 37m
Frontier
Deal found 7/26![Frontier logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 10/158:10 pm
STL
- SLC
1 stop12h 53m
Frontier
Sun 10/189:28 pm
SLC
- STL
1 stop20h 47m
Frontier
Deal found 7/27![Frontier logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 9/67:58 pm
STL
- SLC
1 stop12h 33m
Frontier
Sat 9/124:16 pm
SLC
- STL
1 stop18h 51m
Frontier
Deal found 7/29![Frontier logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 10/88:10 pm
STL
- SLC
1 stop25h 23m
Frontier
Tue 10/137:25 am
SLC
- STL
1 stop10h 50m
Frontier
Deal found 7/25![Frontier logo]()
$186
This United Airlines deal was found by Cheapflights users on 7/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:00 am
STL
- CNY
1 stop5h 45m
United Airlines
Thu 10/222:20 pm
CNY
- STL
1 stop5h 16m
United Airlines
Deal found 7/28![United Airlines logo]()
$617
Best flights from St. Louis to UtahDiscover carefully curated flight deals from St. Louis to Utah that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 30, 2026.
Discover carefully curated flight deals from St. Louis to Utah that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 30, 2026.
This Southwest deal was found by Cheapflights users on 7/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/265:25 am
STL
- SLC
2 stops7h 30m
Southwest
Wed 10/288:30 am
SLC
- STL
2 stops8h 15m
Southwest
Deal found 7/28![Southwest logo]()
$379
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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.
Fri 9/116:29 am
STL
- SLC
2 stops15h 30m
Alaska Airlines
Mon 9/146:26 pm
SLC
- STL
2 stops21h 44m
Alaska Airlines
Deal found 7/30![Alaska Airlines logo]()
$384
This Delta deal was found by Cheapflights users on 7/27. 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 10/152:22 pm
STL
- SLC
Nonstop3h 16m
Delta
Sun 10/188:50 pm
SLC
- STL
Nonstop2h 54m
Delta
Deal found 7/27![Delta logo]()
$449
This United Airlines deal was found by Cheapflights users on 7/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:00 am
STL
- CNY
1 stop5h 45m
United Airlines
Thu 10/222:20 pm
CNY
- STL
1 stop5h 16m
United Airlines
Deal found 7/28![United Airlines logo]()
$617
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Tue 8/118:08 pm
STL
- CNY
1 stop18h 57m
Multiple Airlines
Sat 8/155:25 pm
CNY
- STL
2 stops23h 50m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$652
This Southwest deal was found by Cheapflights users on 7/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:30 am
STL
- SLC
2 stops8h 05m
Southwest
Sat 9/1211:00 am
SLC
- STL
2 stops8h 40m
Southwest
Deal found 7/28![Southwest logo]()
$381
This Delta deal was found by Cheapflights users on 7/25. 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 9/47:45 pm
STL
- SLC
Nonstop3h 10m
Delta
Tue 9/85:40 pm
SLC
- STL
Nonstop2h 51m
Delta
Deal found 7/25![Delta logo]()
$449
This Alaska Airlines deal was found by Cheapflights users on 7/27. 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 8/268:36 am
STL
- SLC
2 stops11h 20m
Alaska Airlines
Sat 8/297:06 am
SLC
- STL
2 stops15h 52m
Alaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$479
This Delta deal was found by Cheapflights users on 7/26. 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.
Tue 10/272:22 pm
STL
- SLC
Nonstop3h 16m
Delta
Tue 11/39:38 am
SLC
- STL
Nonstop2h 54m
Delta
Deal found 7/26![Delta logo]()
$449
This Delta deal was found by Cheapflights users on 7/27. 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.
Tue 10/62:25 pm
STL
- SLC
1 stop8h 15m
Delta
Sun 10/118:50 pm
SLC
- STL
Nonstop2h 54m
Delta
Deal found 7/27![Delta logo]()
$459
This Delta deal was found by Cheapflights users on 7/27. 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 8/272:32 pm
STL
- SLC
Nonstop3h 07m
Delta
Sat 8/2911:35 pm
SLC
- STL
1 stop7h 34m
Delta
Deal found 7/27![Delta logo]()
$459
This Delta deal was found by Cheapflights users on 7/29. 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 9/115:00 pm
STL
- SLC
Nonstop3h 15m
Delta
Tue 9/151:45 pm
SLC
- STL
Nonstop2h 52m
Delta
Deal found 7/29![Delta logo]()
$469
This Delta deal was found by Cheapflights users on 7/29. 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.
Sun 9/65:00 pm
STL
- SLC
Nonstop3h 09m
Delta
Tue 9/811:35 pm
SLC
- STL
1 stop8h 59m
Delta
Deal found 7/29![Delta logo]()
$479
This Delta deal was found by Cheapflights users on 7/29. 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 9/172:30 pm
STL
- SLC
1 stop9h 23m
Delta
Thu 9/241:45 pm
SLC
- STL
Nonstop2h 52m
Delta
Deal found 7/29![Delta logo]()
$479
This Delta deal was found by Cheapflights users on 7/28. 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.
Tue 10/209:47 am
STL
- CNY
2 stops8h 07m
Delta
Thu 10/225:36 pm
CNY
- STL
1 stop6h 08m
Delta
Deal found 7/28![Delta logo]()
$627
This Delta deal was found by Cheapflights users on 7/30. 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 8/142:32 pm
STL
- CDC
1 stop4h 46m
Delta
Tue 8/189:27 am
CDC
- STL
2 stops6h 17m
Delta
Deal found 7/30![Delta logo]()
$925
Last-minute flights from St. Louis to UtahDiscover last-minute flight deals from St. Louis to Utah. Data last updated July 30, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Utah. Data last updated July 30, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Tue 8/118:08 pm
STL
- CNY
1 stop18h 57m
Multiple Airlines
Sat 8/155:25 pm
CNY
- STL
2 stops23h 50m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$652
This Delta deal was found by Cheapflights users on 7/30. 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 8/142:32 pm
STL
- CDC
1 stop4h 46m
Delta
Tue 8/189:27 am
CDC
- STL
2 stops6h 17m
Delta
Deal found 7/30![Delta logo]()
$925
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Tue 8/185:27 pm
STL
- SLC
2 stops15h 04m
Frontier
Wed 8/267:08 pm
SLC
- STL
1 stop23h 05m
Frontier
Deal found 7/28![Frontier logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 8/207:58 pm
STL
- SLC
1 stop12h 33m
Frontier
Wed 8/267:08 pm
SLC
- STL
1 stop23h 05m
Frontier
Deal found 7/28![Frontier logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 8/207:58 pm
STL
- SLC
1 stop12h 33m
Frontier
Thu 8/276:05 am
SLC
- STL
1 stop12h 08m
Frontier
Deal found 7/28![Frontier logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 8/207:58 pm
STL
- SLC
1 stop12h 33m
Frontier
Sun 8/236:05 am
SLC
- STL
1 stop12h 08m
Frontier
Deal found 7/28![Frontier logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 8/217:58 pm
STL
- SLC
1 stop12h 33m
Frontier
Mon 8/248:16 am
SLC
- STL
1 stop9h 57m
Frontier
Deal found 7/29![Frontier logo]()
$256
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Mon 8/247:58 pm
STL
- SLC
1 stop12h 33m
Frontier
Thu 8/276:05 am
SLC
- STL
1 stop12h 08m
Frontier
Deal found 7/28![Frontier logo]()
$225
This CheapOair deal was found by Cheapflights users on 7/30. 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.
Wed 8/266:45 pm
STL
- SLC
1 stop15h 41m
Frontier
Sat 8/297:08 pm
SLC
- STL
1 stop23h 05m
Frontier
Deal found 7/30![Frontier logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 8/277:58 pm
STL
- SLC
1 stop12h 33m
Frontier
Thu 9/36:05 am
SLC
- STL
1 stop12h 08m
Frontier
Deal found 7/30![Frontier logo]()
$184
This Super.com deal was found by Cheapflights users on 7/26. 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 8/277:58 pm
STL
- SLC
1 stop5h 01m
Frontier
Thu 9/174:16 pm
SLC
- STL
1 stop26h 01m
Frontier
Deal found 7/26![Frontier logo]()
$258
One-way flights from St. Louis to UtahSearch for one-way flight options from St. Louis to Utah. Find affordable one-way fares based on user searches. Data last updated July 30, 2026.
Search for one-way flight options from St. Louis to Utah. Find affordable one-way fares based on user searches. Data last updated July 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 9/238:10 pm
STL
- SLC
1 stop20h 11m
Frontier
Deal found 7/30![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 9/168:10 pm
STL
- SLC
1 stop15h 31m
Frontier
Deal found 7/30![Frontier logo]()
$72
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 10/148:10 pm
STL
- SLC
1 stop12h 53m
Frontier
Deal found 7/29![Frontier logo]()
$73
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 9/98:10 pm
STL
- SLC
1 stop15h 31m
Frontier
Deal found 7/30![Frontier logo]()
$74
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Tue 10/138:10 pm
STL
- SLC
1 stop12h 53m
Frontier
Deal found 7/28![Frontier logo]()
$77
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 9/308:10 pm
STL
- SLC
1 stop15h 31m
Frontier
Deal found 7/28![Frontier logo]()
$78
This Trip.com deal was found by Cheapflights users on 7/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/208:10 pm
STL
- SLC
1 stop20h 11m
Frontier
Deal found 7/29![Frontier logo]()
$83
This Trip.com deal was found by Cheapflights users on 7/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/188:10 pm
STL
- SLC
1 stop20h 11m
Frontier
Deal found 7/29![Frontier logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 9/131:02 pm
STL
- SLC
1 stop27h 19m
Frontier
Deal found 7/30![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 9/268:10 pm
STL
- SLC
1 stop15h 31m
Frontier
Deal found 7/30![Frontier logo]()
$88
This Trip.com deal was found by Cheapflights users on 7/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:58 pm
STL
- SLC
1 stop23h 25m
Frontier
Deal found 7/30![Frontier logo]()
$89
This Delta deal was found by Cheapflights users on 7/26. 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 8/62:32 pm
STL
- CDC
1 stop4h 46m
Delta
Deal found 7/26![Delta logo]()
$504
Find flight deals from St. Louis to Utah
Keep the following information in mind while searching for St. Louis to Utah flight deals. Data was last updated July 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $140 (Kiwi.com) |
One-way from | $71 (Kiwi.com) |
Popular in | July |
Cheapest in | September |
Average price | $508 |
Good round-trip deal | $302 or less |
Good one-way deal | $188 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Utah 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 July 30, 2026.
Use the filters below to find and compare flights from St. Louis to Utah that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisSalt Lake City
STL - SLC
STLSLC
Lambert-St Louis
Mon 10/26
5:25 am-11:55 am
2 stops7h 30m
Salt Lake City
Wed 10/28
8:30 am-5:45 pm
2 stops8h 15m
$379
St. LouisSalt Lake City
STL - SLC
STLSLC
Lambert-St Louis
Sun 9/6
6:30 am-1:35 pm
2 stops8h 05m
Salt Lake City
Sat 9/12
11:00 am-8:40 pm
2 stops8h 40m
$381
St. LouisSalt Lake City
STL - SLC
STLSLC
Lambert-St Louis
Fri 9/11
6:29 am-8:59 pm
2 stops15h 30m
Salt Lake City
Mon 9/14
6:26 pm-5:10 pm
2 stops21h 44m
$384
St. LouisSalt Lake City
STL - SLC
STLSLC
Lambert-St Louis
Thu 10/15
2:22 pm-4:38 pm
Nonstop3h 16m
Salt Lake City
Sun 10/18
8:50 pm-12:44 am
Nonstop2h 54m
$449
Quickest round-trip
St. LouisSalt Lake City
STL - SLC
STLSLC
Lambert-St Louis
Fri 9/4
7:45 pm-9:55 pm
Nonstop3h 10m
Salt Lake City
Tue 9/8
5:40 pm-9:31 pm
Nonstop2h 51m
$449
St. LouisSalt Lake City
STL - SLC
STLSLC
Lambert-St Louis
Tue 10/27
2:22 pm-4:38 pm
Nonstop3h 16m
Salt Lake City
Tue 11/3
9:38 am-1:32 pm
Nonstop2h 54m
$449
St. LouisSalt Lake City
STL - SLC
STLSLC
Lambert-St Louis
Tue 10/6
2:25 pm-9:40 pm
1 stop8h 15m
Salt Lake City
Sun 10/11
8:50 pm-12:44 am
Nonstop2h 54m
$459
St. LouisSalt Lake City
STL - SLC
STLSLC
Lambert-St Louis
Thu 8/27
2:32 pm-4:39 pm
Nonstop3h 07m
Salt Lake City
Sat 8/29
11:35 pm-8:09 am
1 stop7h 34m
$459
St. LouisSalt Lake City
STL - SLC
STLSLC
Lambert-St Louis
Fri 9/11
5:00 pm-7:15 pm
Nonstop3h 15m
Salt Lake City
Tue 9/15
1:45 pm-5:37 pm
Nonstop2h 52m
$469
St. LouisSalt Lake City
STL - SLC
STLSLC
Lambert-St Louis
Wed 8/26
8:36 am-6:56 pm
2 stops11h 20m
Salt Lake City
Sat 8/29
7:06 am-11:58 pm
2 stops15h 52m
$479
Showing 1-10 of 28 resultsSorted by cheapest first
Best time to book a flight from St. Louis to Utah
Have a flexible travel schedule? Discover the best time to fly to Utah from St. Louis with our price prediction graph.
STL-SLC
STL-CNY
STL-CDC
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 St. Louis to Utah
STL-USUT
STL-SLC
STL-CNY
STL-CDC
What is the cheapest month to book a flight from St. Louis to Utah?
Currently, August is the cheapest month in which you can book a flight from St. Louis to Utah (average of $393). Flying from St. Louis to Utah in July is currently the most expensive (average of $512). 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 STL to UT?
Find hourly flight availability from St. Louis to Utah. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 30, 2026.
A simple way to save on the total cost of your ticket is to fly from St. Louis to Utah in the afternoon. If you’re flexible enough to do this you can expect to save up to 25% on your trip compared to booking a flight in the morning.
Weekly flight availability from St. Louis to Utah
Explore weekly flight availability from St. Louis to Utah. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 30, 2026.
The most flights from STL to USUT are scheduled on a Wednesday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).
How much does it cost to fly round-trip from St. Louis to Utah?
Airfare is below average for this route at the moment.
St. Louis to Utah flights typically cost between $349 and $549 in September.The cheapest round-trip price found within the last 5 days was $140 on Frontier (Sep 16-Sep 22).
How far ahead should I book a flight from St. Louis to Utah?
The best time to book flights from St. Louis to Utah is 36 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest day to fly from St. Louis to Utah?
Use this chart to determine the cheapest time to fly round-trip from St. Louis to Utah. Price data was last updated on July 25, 2026.
Travelers seeking maximum savings on their St. Louis to Utah flight should consider departing on Saturday evenings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Utah
Get insights into the airlines that provide service to Utah. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Utah. Reviews last updated July 30, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from St. Louis to Utah have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Related info for your journey
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St. Louis and Utah flights
Browse other St. Louis and Utah flight options. Last updated on July 30, 2026.
Popular flight searches
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St. Louis to Utah flights
Consider these flights traveling from St. Louis to Utah.
Top 5 airlines flying from St. Louis to Utah
Discover the top 5 airlines that operate flights from St. Louis to Utah. 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 July 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$124 | Average$244 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$226 | Average$437 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$258 | Average$396 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$263 | Average$463 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$337 | Average$444 | FlexibilityNo cancel fee | On-time63% |