$78+ Cheap flights from St. Louis (STL) to Utah
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SLC
Oct 15 — Oct 221
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Utah with Cheapflights
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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
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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 September 15, 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 September 15, 2026.
This Expedia deal was found by Cheapflights users on 9/10. 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.
Fri 10/238:00 pm -
1 stop20h 21m
Mon 10/268:00 am -
1 stop10h 15m
Deal found 9/10![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 11/137:59 pm -
1 stop15h 52m
Mon 11/1611:46 am -
1 stop6h 28m
Deal found 9/11![Frontier logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 -
1 stop20h 11m
Fri 10/211:40 am -
1 stop6h 37m
Deal found 9/10![Frontier logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 11/54:26 pm -
2 stops23h 55m
Mon 11/911:46 am -
1 stop6h 28m
Deal found 9/10![Frontier logo]()
$200
This CheapOair deal was found by Cheapflights users on 9/11. 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 10/307:59 pm -
1 stop20h 22m
Fri 11/611:46 am -
1 stop6h 28m
Deal found 9/11![Frontier logo]()
$206
This Travelocity deal was found by Cheapflights users on 9/10. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/57:49 pm -
1 stop5h 41m
Sat 12/127:15 am -
1 stop10h 39m
Deal found 9/10![Frontier logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 12/57:49 pm -
1 stop5h 41m
Wed 12/912:58 pm -
1 stop4h 56m
Deal found 9/12![Frontier logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/307:59 pm -
1 stop15h 52m
Sun 11/84:16 pm -
1 stop25h 58m
Deal found 9/10![Frontier logo]()
$222
This Expedia deal was found by Cheapflights users on 9/11. 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.
Fri 10/307:59 pm -
1 stop20h 22m
Mon 11/211:46 am -
1 stop6h 28m
Deal found 9/11![Frontier logo]()
$223
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 10/298:50 am -
1 stop5h 55m
Mon 11/22:20 pm -
1 stop5h 39m
Deal found 9/10![United Airlines logo]()
$399
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 10/128:00 pm -
1 stop24h 10m
Mon 10/199:05 am -
1 stop9h 10m
Deal found 9/12![Multiple Airlines logo]()
$420
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Sat 11/145:00 am -
2 stops9h 45m
Wed 11/182:20 pm -
2 stops8h 04m
Deal found 9/14![United Airlines logo]()
$439
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 September 15, 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 September 15, 2026.
This Frontier deal was found by Cheapflights users on 9/14. 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.
Fri 10/3012:14 pm -
1 stop6h 45m
Mon 11/211:46 am -
1 stop6h 28m
Deal found 9/14![Frontier logo]()
$328
This Southwest deal was found by Cheapflights users on 9/14. 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.
Tue 10/208:30 am -
1 stop7h 25m
Fri 10/2311:00 am -
1 stop7h 05m
Deal found 9/14![Southwest logo]()
$371
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Thu 10/298:50 am -
1 stop5h 55m
Mon 11/22:20 pm -
1 stop5h 39m
Deal found 9/9![United Airlines logo]()
$399
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 10/128:00 pm -
1 stop24h 10m
Mon 10/199:05 am -
1 stop9h 10m
Deal found 9/12![Multiple Airlines logo]()
$420
This Alaska Airlines deal was found by Cheapflights users on 9/11. 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 10/304:42 pm -
2 stops27h 17m
Fri 11/62:20 pm -
1 stop8h 39m
Deal found 9/11![Alaska Airlines logo]()
$463
This Delta deal was found by Cheapflights users on 9/10. 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 10/307:45 am -
Nonstop3h 20m
Fri 11/65:20 pm -
Nonstop2h 49m
Deal found 9/10![Delta logo]()
$469
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Sat 11/148:50 am -
1 stop5h 55m
Wed 11/182:20 pm -
1 stop5h 39m
Deal found 9/14![United Airlines logo]()
$419
This Southwest deal was found by Cheapflights users on 9/10. 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.
Fri 11/65:45 am -
1 stop7h 55m
Fri 11/62:20 pm -
2 stops9h 30m
Deal found 9/10![Southwest logo]()
$432
This Alaska Airlines deal was found by Cheapflights users on 9/11. 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.
Thu 11/57:00 am -
1 stop11h 44m
Mon 11/98:20 am -
2 stops29h 05m
Deal found 9/11![Alaska Airlines logo]()
$485
This Delta deal was found by Cheapflights users on 9/13. 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 11/107:08 am -
Nonstop3h 20m
Sun 11/159:38 am -
Nonstop2h 52m
Deal found 9/13![Delta logo]()
$489
This Southwest deal was found by Cheapflights users on 9/13. 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.
Tue 12/18:25 am -
2 stops8h 20m
Fri 12/47:05 am -
2 stops13h 00m
Deal found 9/13![Southwest logo]()
$479
This Delta deal was found by Cheapflights users on 9/12. 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 3/112:15 pm -
1 stop5h 04m
Tue 3/169:31 am -
1 stop7h 25m
Deal found 9/12![Delta logo]()
$849
Last-minute flights from St. Louis to UtahDiscover last-minute flight deals from St. Louis to Utah. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Utah. Data last updated September 15, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 -
1 stop18h 55m
Wed 9/303:00 pm -
2 stops17h 35m
Deal found 9/11![Multiple Airlines logo]()
$650
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 -
1 stop20h 11m
Fri 10/211:40 am -
1 stop6h 37m
Deal found 9/10![Frontier logo]()
$190
This CheapOair deal was found by Cheapflights users on 9/10. 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 10/28:10 pm -
1 stop15h 31m
Mon 10/59:28 am -
1 stop25h 04m
Deal found 9/10![Frontier logo]()
$237
This Expedia deal was found by Cheapflights users on 9/10. 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.
Sat 10/107:42 pm -
1 stop15h 59m
Fri 10/1611:36 am -
1 stop6h 39m
Deal found 9/10![Frontier logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 10/128:00 pm -
1 stop24h 10m
Mon 10/199:05 am -
1 stop9h 10m
Deal found 9/12![Multiple Airlines logo]()
$420
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Fri 10/165:10 am -
1 stop5h 20m
Mon 10/192:20 pm -
1 stop5h 16m
Deal found 9/13![United Airlines logo]()
$456
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/224:30 pm -
2 stops43h 11m
Mon 10/2611:36 am -
1 stop6h 39m
Deal found 9/10![Frontier logo]()
$226
This Expedia deal was found by Cheapflights users on 9/10. 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.
Fri 10/238:00 pm -
1 stop20h 21m
Mon 10/268:00 am -
1 stop10h 15m
Deal found 9/10![Frontier logo]()
$166
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 10/298:50 am -
1 stop5h 55m
Mon 11/22:20 pm -
1 stop5h 39m
Deal found 9/10![United Airlines logo]()
$399
This CheapOair deal was found by Cheapflights users on 9/11. 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 10/307:59 pm -
1 stop20h 22m
Fri 11/611:46 am -
1 stop6h 28m
Deal found 9/11![Frontier logo]()
$206
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/307:59 pm -
1 stop15h 52m
Sun 11/84:16 pm -
1 stop25h 58m
Deal found 9/10![Frontier logo]()
$222
This Expedia deal was found by Cheapflights users on 9/11. 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.
Fri 10/307:59 pm -
1 stop20h 22m
Mon 11/211:46 am -
1 stop6h 28m
Deal found 9/11![Frontier logo]()
$223
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 September 15, 2026.
Search for one-way flight options from St. Louis to Utah. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
This Priceline deal was found by Cheapflights users on 9/10. 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.
Mon 11/27:59 pm -
1 stop5h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 11/184:18 pm -
1 stop8h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 10/284:18 pm -
1 stop8h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 11/97:59 pm -
1 stop15h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$85
This WAYA deal was found by Cheapflights users on 9/10. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:59 pm -
1 stop5h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$87
This WAYA deal was found by Cheapflights users on 9/11. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:59 pm -
1 stop5h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Frontier logo]()
$89
This Super.com deal was found by Cheapflights users on 9/10. 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.
Fri 11/137:59 pm -
1 stop15h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$93
This Expedia deal was found by Cheapflights users on 9/10. 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.
Fri 10/238:00 pm -
1 stop20h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$94
This CheapOair deal was found by Cheapflights users on 9/11. 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 10/307:59 pm -
1 stop15h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 12/27:49 pm -
1 stop17h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Frontier logo]()
$97
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 September 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $166 (Expedia) |
One-way from | $78 (Priceline) |
Popular in | September |
Cheapest in | January |
Average price | $522 |
Good round-trip deal | $435 or less |
Good one-way deal | $211 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 7,457,451 searches. Data last updated September 15, 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 Lambert-St Louis - SLC Salt Lake City
STLSLC
Lambert-St Louis
Tue 11/17
8:25 am-3:45 pm
2 stops8h 20m
Salt Lake City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$168
St. LouisSalt Lake City
STL Lambert-St Louis - SLC Salt Lake City
STLSLC
Lambert-St Louis
Tue 10/6
1:25 pm-9:05 pm
2 stops8h 40m
Salt Lake City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$177
St. LouisSalt Lake City
STL Lambert-St Louis - SLC Salt Lake City
STLSLC
Lambert-St Louis
Mon 11/16
8:25 am-3:45 pm
2 stops8h 20m
Salt Lake City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$191
St. LouisSalt Lake City
STL Lambert-St Louis - SLC Salt Lake City
STLSLC
Lambert-St Louis
Thu 12/10
6:35 am-2:10 pm
1 stop8h 35m
Salt Lake City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$193
St. LouisSalt Lake City
STL Lambert-St Louis - SLC Salt Lake City
STLSLC
Lambert-St Louis
Sat 12/5
5:55 am-2:10 pm
2 stops9h 15m
Salt Lake City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$198
St. LouisSalt Lake City
STL Lambert-St Louis - SLC Salt Lake City
STLSLC
Lambert-St Louis
Tue 10/20
1:25 pm-9:05 pm
2 stops8h 40m
Salt Lake City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$219
St. LouisSalt Lake City
STL Lambert-St Louis - SLC Salt Lake City
STLSLC
Lambert-St Louis
Fri 11/6
2:45 pm-10:00 pm
2 stops8h 15m
Salt Lake City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$219
St. LouisSalt Lake City
STL Lambert-St Louis - SLC Salt Lake City
STLSLC
Lambert-St Louis
Sat 10/24
8:25 am-2:30 pm
2 stops7h 05m
Salt Lake City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$260
St. LouisSalt Lake City
STL Lambert-St Louis - SLC Salt Lake City
STLSLC
Lambert-St Louis
Sat 12/12
10:21 am-8:09 pm
2 stops10h 48m
Salt Lake City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$300
St. LouisSalt Lake City
STL Lambert-St Louis - SLC Salt Lake City
STLSLC
Lambert-St Louis
Fri 9/25
2:29 pm-3:21 pm
2 stops25h 52m
Salt Lake City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$313
Showing 1-10 of 24 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-VEL
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-VEL
STL-CDC
What is the cheapest month to book a flight from St. Louis to Utah?
Currently, January is the cheapest month in which you can book a flight from St. Louis to Utah (average of $411). Flying from St. Louis to Utah in September is currently the most expensive (average of $514). 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 September 15, 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 23% 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 September 15, 2026.
The most flights from STL to USUT are scheduled on a Monday (4 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 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 $406 and $637 in October.The cheapest round-trip price found within the last 5 days was $166 on Frontier (Oct 23-Oct 26).
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 September 12, 2026.
Travelers seeking maximum savings on their St. Louis to Utah flight should consider departing on Wednesday afternoons 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 September 15, 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.
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Utah. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for St. Louis to Utah
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Utah by adding a car rental and/or hotel reservation to your travel itinerary.
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St. Louis and Utah flights
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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 7,457,451 searches. Data last updated September 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$156 | Average$265 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$226 | Average$433 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$278 | Average$514 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$349 | Average$466 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$399 | Average$519 | FlexibilityNo cancel fee | On-timeN/A |