$73+ Cheap flights from Salt Lake City to St. Louis (SLC - 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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — STL
Apr 12 — Apr 191
Round-trip
1 adult, Economy
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Find cheap flights from Salt Lake City 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.Cheapflights Tip: The best prices from Salt Lake City to Lambert-St Louis are usually found in June or May, booked 69 days in advance, depart on a Sunday or Thursday and return on a Wednesday
Cheap flight deals from Salt Lake City to St. Louis
Cheapest
Best
Last-minute
One-way
Cheapest flights from Salt Lake City to St. LouisExplore the most affordable flight options available from Salt Lake City to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 13, 2026.
Explore the most affordable flight options available from Salt Lake City to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
Tue 4/71:35 pm
SLC
- STL
1 stop19h 13m
Frontier
Wed 4/88:16 pm
STL
- SLC
1 stop12h 49m
Frontier
Deal found 3/11![Frontier logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
Tue 4/79:17 pm
SLC
- STL
1 stop11h 31m
Frontier
Mon 4/138:19 pm
STL
- SLC
1 stop15h 55m
Frontier
Deal found 3/11![Frontier logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2011:49 am
SLC
- STL
1 stop6h 43m
Frontier
Sat 4/258:17 pm
STL
- SLC
1 stop12h 44m
Frontier
Deal found 3/9![Frontier logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
Thu 4/99:17 pm
SLC
- STL
1 stop11h 31m
Frontier
Mon 4/138:19 pm
STL
- SLC
1 stop15h 55m
Frontier
Deal found 3/11![Frontier logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 3/11. 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 4/242:49 pm
SLC
- STL
1 stop27h 43m
Frontier
Mon 4/278:17 pm
STL
- SLC
1 stop15h 57m
Frontier
Deal found 3/11![Frontier logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 5/12:49 pm
SLC
- STL
1 stop27h 43m
Frontier
Mon 5/48:17 pm
STL
- SLC
1 stop15h 57m
Frontier
Deal found 3/10![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
Tue 4/79:17 pm
SLC
- STL
1 stop11h 31m
Frontier
Fri 4/108:16 pm
STL
- SLC
1 stop12h 49m
Frontier
Deal found 3/11![Frontier logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
Thu 4/99:17 pm
SLC
- STL
1 stop11h 31m
Frontier
Fri 4/108:16 pm
STL
- SLC
1 stop15h 38m
Frontier
Deal found 3/11![Frontier logo]()
$174
This Frontier deal was found by Cheapflights users on 3/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2011:49 am
SLC
- STL
1 stop6h 43m
Frontier
Thu 4/239:55 pm
STL
- SLC
1 stop11h 57m
Frontier
Deal found 3/9![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 3/11. 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 4/109:17 pm
SLC
- STL
1 stop11h 31m
Frontier
Mon 4/138:19 pm
STL
- SLC
1 stop15h 55m
Frontier
Deal found 3/11![Frontier logo]()
$181
Best flights from Salt Lake City to St. LouisDiscover carefully curated flight deals from Salt Lake City to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 13, 2026.
Discover carefully curated flight deals from Salt Lake City to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 13, 2026.
This Alaska Airlines deal was found by Cheapflights users on 3/8. 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.
Sat 5/166:10 pm
SLC
- STL
2 stops21h 27m
Alaska Airlines
Tue 5/195:33 pm
STL
- SLC
1 stop24h 58m
Alaska Airlines
Deal found 3/8![Alaska Airlines logo]()
$395
This Delta deal was found by Cheapflights users on 3/7. 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.
Mon 6/18:38 pm
SLC
- STL
Nonstop2h 52m
Delta
Mon 6/86:59 pm
STL
- SLC
Nonstop3h 14m
Delta
Deal found 3/7![Delta logo]()
$419
This Delta deal was found by Cheapflights users on 3/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/97:45 am
SLC
- STL
1 stop6h 34m
Delta
Sat 5/167:00 am
STL
- SLC
Nonstop3h 11m
Delta
Deal found 3/9![Delta logo]()
$429
This Delta deal was found by Cheapflights users on 3/8. 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 4/187:45 am
SLC
- STL
1 stop8h 05m
Delta
Thu 4/236:45 pm
STL
- SLC
Nonstop3h 17m
Delta
Deal found 3/8![Delta logo]()
$429
This Delta deal was found by Cheapflights users on 3/7. 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.
Mon 4/208:40 pm
SLC
- STL
Nonstop2h 45m
Delta
Sat 4/256:20 am
STL
- SLC
1 stop7h 35m
Delta
Deal found 3/7![Delta logo]()
$429
This Delta deal was found by Cheapflights users on 3/8. 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 4/245:20 pm
SLC
- STL
1 stop4h 53m
Delta
Sun 4/267:00 am
STL
- SLC
Nonstop3h 19m
Delta
Deal found 3/8![Delta logo]()
$429
This Delta deal was found by Cheapflights users on 3/10. 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 5/158:38 pm
SLC
- STL
Nonstop2h 52m
Delta
Tue 5/192:27 pm
STL
- SLC
Nonstop3h 13m
Delta
Deal found 3/10![Delta logo]()
$439
This Delta deal was found by Cheapflights users on 3/10. 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 6/58:38 pm
SLC
- STL
Nonstop2h 52m
Delta
Mon 6/86:59 pm
STL
- SLC
Nonstop3h 14m
Delta
Deal found 3/10![Delta logo]()
$439
This Delta deal was found by Cheapflights users on 3/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:40 pm
SLC
- STL
Nonstop2h 45m
Delta
Sun 4/197:00 am
STL
- SLC
Nonstop3h 19m
Delta
Deal found 3/11![Delta logo]()
$439
This Delta deal was found by Cheapflights users on 3/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/165:15 pm
SLC
- STL
Nonstop2h 51m
Delta
Tue 5/197:00 am
STL
- SLC
Nonstop3h 11m
Delta
Deal found 3/11![Delta logo]()
$439
This Delta deal was found by Cheapflights users on 3/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/299:40 am
SLC
- STL
Nonstop2h 52m
Delta
Mon 6/17:00 am
STL
- SLC
Nonstop3h 11m
Delta
Deal found 3/9![Delta logo]()
$439
Last-minute flights from Salt Lake City to St. LouisDiscover last-minute flight deals from Salt Lake City to St. Louis. Data last updated March 13, 2026 and is based on user searches.
Discover last-minute flight deals from Salt Lake City to St. Louis. Data last updated March 13, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
Tue 4/71:35 pm
SLC
- STL
1 stop19h 13m
Frontier
Wed 4/88:16 pm
STL
- SLC
1 stop12h 49m
Frontier
Deal found 3/11![Frontier logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
Tue 4/79:17 pm
SLC
- STL
1 stop11h 31m
Frontier
Mon 4/138:19 pm
STL
- SLC
1 stop15h 55m
Frontier
Deal found 3/11![Frontier logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
Tue 4/79:17 pm
SLC
- STL
1 stop11h 31m
Frontier
Fri 4/108:16 pm
STL
- SLC
1 stop12h 49m
Frontier
Deal found 3/11![Frontier logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
Thu 4/99:17 pm
SLC
- STL
1 stop11h 31m
Frontier
Mon 4/138:19 pm
STL
- SLC
1 stop15h 55m
Frontier
Deal found 3/11![Frontier logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
Thu 4/99:17 pm
SLC
- STL
1 stop11h 31m
Frontier
Fri 4/108:16 pm
STL
- SLC
1 stop15h 38m
Frontier
Deal found 3/11![Frontier logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 3/11. 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 4/109:17 pm
SLC
- STL
1 stop11h 31m
Frontier
Mon 4/138:19 pm
STL
- SLC
1 stop15h 55m
Frontier
Deal found 3/11![Frontier logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2011:49 am
SLC
- STL
1 stop6h 43m
Frontier
Sat 4/258:17 pm
STL
- SLC
1 stop12h 44m
Frontier
Deal found 3/9![Frontier logo]()
$155
This Frontier deal was found by Cheapflights users on 3/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2011:49 am
SLC
- STL
1 stop6h 43m
Frontier
Thu 4/239:55 pm
STL
- SLC
1 stop11h 57m
Frontier
Deal found 3/9![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 3/11. 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 4/242:49 pm
SLC
- STL
1 stop27h 43m
Frontier
Mon 4/278:17 pm
STL
- SLC
1 stop15h 57m
Frontier
Deal found 3/11![Frontier logo]()
$159
One-way flights from Salt Lake City to St. LouisSearch for one-way flight options from Salt Lake City to St. Louis. Find affordable one-way fares based on user searches. Data last updated March 13, 2026.
Search for one-way flight options from Salt Lake City to St. Louis. Find affordable one-way fares based on user searches. Data last updated March 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/10. 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.
Tue 6/210:54 pm
SLC
- STL
1 stop19h 29m
Frontier
Deal found 3/10![Frontier logo]()
$73
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/89:59 pm
SLC
- STL
1 stop20h 13m
Frontier
Deal found 3/9![Frontier logo]()
$76
This Trip.com deal was found by Cheapflights users on 3/8. 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.
Tue 4/79:17 pm
SLC
- STL
1 stop11h 31m
Frontier
Deal found 3/8![Frontier logo]()
$79
This Trip.com deal was found by Cheapflights users on 3/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/173:19 pm
SLC
- STL
1 stop26h 53m
Frontier
Deal found 3/9![Frontier logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 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 3/9![Frontier logo]()
$84
This Trip.com deal was found by Cheapflights users on 3/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/127:35 am
SLC
- STL
1 stop25h 13m
Frontier
Deal found 3/10![Frontier logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 5/12:49 pm
SLC
- STL
1 stop27h 43m
Frontier
Deal found 3/10![Frontier logo]()
$88
This Priceline deal was found by Cheapflights users on 3/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/111:47 pm
SLC
- STL
1 stop8h 38m
Frontier
Deal found 3/9![Frontier logo]()
$90
This Trip.com deal was found by Cheapflights users on 3/7. 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 4/1010:49 am
SLC
- STL
1 stop21h 59m
Frontier
Deal found 3/7![Frontier logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 5/93:19 pm
SLC
- STL
1 stop26h 53m
Frontier
Deal found 3/8![Frontier logo]()
$93
Find flight deals from Salt Lake City to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from Salt Lake City (SLC) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $147 (Kiwi.com) |
One-way from | $73 (Kiwi.com) |
Popular in | November |
Cheapest in | June |
Average price | $429 |
Good round-trip deal | $399 or less |
Good one-way deal | $298 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Salt Lake City 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 13, 2026.
Use the filters below to find and compare flights from Salt Lake City 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
Sat 5/16
6:10 pm-4:37 pm
2 stops21h 27m
Lambert-St Louis
Tue 5/19
5:33 pm-5:31 pm
1 stop24h 58m
$395
Salt Lake CitySt. Louis
SLC - STL
SLCSTL
Salt Lake City
Mon 6/1
8:38 pm-12:30 am
Nonstop2h 52m
Lambert-St Louis
Mon 6/8
6:59 pm-9:13 pm
Nonstop3h 14m
$419
Salt Lake CitySt. Louis
SLC - STL
SLCSTL
Salt Lake City
Sat 5/9
7:45 am-3:19 pm
1 stop6h 34m
Lambert-St Louis
Sat 5/16
7:00 am-9:11 am
Nonstop3h 11m
$429
Salt Lake CitySt. Louis
SLC - STL
SLCSTL
Salt Lake City
Sat 4/18
7:45 am-4:50 pm
1 stop8h 05m
Lambert-St Louis
Thu 4/23
6:45 pm-9:02 pm
Nonstop3h 17m
$429
Salt Lake CitySt. Louis
SLC - STL
SLCSTL
Salt Lake City
Mon 4/20
8:40 pm-12:25 am
Nonstop2h 45m
Lambert-St Louis
Sat 4/25
6:20 am-12:55 pm
1 stop7h 35m
$429
Salt Lake CitySt. Louis
SLC - STL
SLCSTL
Salt Lake City
Fri 4/24
5:20 pm-11:13 pm
1 stop4h 53m
Lambert-St Louis
Sun 4/26
7:00 am-9:19 am
Nonstop3h 19m
$429
Salt Lake CitySt. Louis
SLC - STL
SLCSTL
Salt Lake City
Fri 5/15
8:38 pm-12:30 am
Nonstop2h 52m
Lambert-St Louis
Tue 5/19
2:27 pm-4:40 pm
Nonstop3h 13m
$439
Salt Lake CitySt. Louis
SLC - STL
SLCSTL
Salt Lake City
Fri 6/5
8:38 pm-12:30 am
Nonstop2h 52m
Lambert-St Louis
Mon 6/8
6:59 pm-9:13 pm
Nonstop3h 14m
$439
Salt Lake CitySt. Louis
SLC - STL
SLCSTL
Salt Lake City
Wed 4/15
8:40 pm-12:25 am
Nonstop2h 45m
Lambert-St Louis
Sun 4/19
7:00 am-9:19 am
Nonstop3h 19m
$439
Quickest round-trip
Salt Lake CitySt. Louis
SLC - STL
SLCSTL
Salt Lake City
Sat 5/16
5:15 pm-9:06 pm
Nonstop2h 51m
Lambert-St Louis
Tue 5/19
7:00 am-9:11 am
Nonstop3h 11m
$439
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Salt Lake City to St. Louis
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Salt Lake City to St. Louis in March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Salt Lake City-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Salt Lake City-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Salt Lake City-St. Louis flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Salt Lake City-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Salt Lake City-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Salt Lake City to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Salt Lake City 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 Salt Lake City to St. Louis
How far ahead should I book a flight from Salt Lake City to St. Louis?
Use this chart to determine the optimal time to book a round-trip flight from Salt Lake City to St. Louis. Price data was last updated on March 6, 2026.
Booking 69 days in advance of your planned departure date is, on average, the best time to get cheap flights from Salt Lake City to St. Louis. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Salt Lake City to St. Louis?
Currently, September is the cheapest month in which you can book a flight from Salt Lake City to St. Louis (average of $180). Flying from Salt Lake City to St. Louis in January is currently the most expensive (average of $309). 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 SLC to STL?
Find hourly flight availability from Salt Lake City 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 13, 2026.
One of the essential ways to save on airfare from Salt Lake City to St. Louis is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 30% on airfare.
What is the cheapest day to fly from Salt Lake City to St. Louis?
Use this chart to determine the cheapest time to fly round-trip from Salt Lake City to St. Louis. Price data was last updated on March 12, 2026.
Travelers seeking maximum savings on their Salt Lake City 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.
Reviews of airlines servicing St. Louis
Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated March 13, 2026.
Read through reviews of airlines operating flights from Salt Lake City to St. Louis, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Related info for your journey
Find useful and relevant information for your journey from Salt Lake City 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
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Salt Lake City and St. Louis flights
Browse other Salt Lake City and St. Louis flight options. Last updated on March 13, 2026.
Other flights from Salt Lake City
Browse through other flights departing from Salt Lake City. Flights are based on user searches made on Cheapflights and were last updated on March 13, 2026.
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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 13, 2026.
Top 5 airlines flying from Salt Lake City to St. Louis
Discover the top 5 airlines that operate flights from Salt Lake City 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 13, 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$452 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$306 | Average$438 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$338 | Average$451 | FlexibilityNo cancel fee | On-timeN/A |