$55+ Cheap flights from St. Louis to Salt Lake City (STL - SLC)
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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SLC
Dec 4 — Dec 111
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from St. Louis to Salt Lake City 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 Lambert-St Louis to Salt Lake City are usually found in April or May, booked 18 days in advance, depart on a Tuesday or Wednesday and return on a Friday
Find flight deals from St. Louis to Salt Lake City
Cheapest flights from St. Louis to Salt Lake CityExplore the most affordable flight options available from St. Louis to Salt Lake City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2025.
Explore the most affordable flight options available from St. Louis to Salt Lake City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2025.
This Frontier deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/41:16 pmSTL - SLC
1 stop21h 09mFrontier
Sun 12/710:22 amSLC - STL
1 stop22h 52mFrontier
Deal found 11/3![Frontier logo]()
$124
This Frontier deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/277:57 pmSTL - SLC
1 stop5h 09mFrontier
Sun 11/3010:12 pmSLC - STL
1 stop10h 50mFrontier
Deal found 11/3![Frontier logo]()
$138
This Mytrip deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/154:51 pmSTL - SLC
1 stop16h 42mFrontier
Wed 11/195:34 pmSLC - STL
1 stop26h 35mFrontier
Deal found 11/4![Frontier logo]()
$170
This CheapOair deal was found by Cheapflights users on 11/3. 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.
Thu 11/207:57 pmSTL - SLC
1 stop5h 09mFrontier
Mon 11/246:46 pmSLC - STL
1 stop25h 23mFrontier
Deal found 11/3![Frontier logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 11/157:45 pmSTL - SLC
1 stop12h 47mFrontier
Tue 11/181:10 pmSLC - STL
1 stop18h 57mFrontier
Deal found 11/4![Frontier logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 12/510:44 pmSTL - SLC
1 stop15h 59mFrontier
Wed 12/106:23 pmSLC - STL
2 stops38h 24mFrontier
Deal found 11/3![Frontier logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 12/245:19 pmSTL - SLC
1 stop20h 35mFrontier
Mon 12/2912:51 pmSLC - STL
1 stop6h 16mFrontier
Deal found 11/4![Frontier logo]()
$215
This Mytrip deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:45 pmSTL - SLC
1 stop12h 47mFrontier
Mon 11/174:50 pmSLC - STL
1 stop15h 17mFrontier
Deal found 11/4![Frontier logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 12/317:43 pmSTL - SLC
1 stop13h 29mFrontier
Tue 1/61:29 pmSLC - STL
1 stop19h 33mFrontier
Deal found 11/3![Frontier logo]()
$222
Cheap flight deals from St. Louis to Salt Lake City
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Salt Lake City (SLC). 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 November 4, 2025.
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $124 (Frontier) |
One-way from | $55 (Frontier) |
Popular in | December |
Cheapest in | April |
Average price | $429 |
Good round-trip deal | $358 or less |
Good one-way deal | $179 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Salt Lake City 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 November 4, 2025.
Use the filters below to find and compare flights from St. Louis to Salt Lake City that are best for you.
Fly from
St. Louis
Fly to
Salt Lake City
Route
Depart
Return
Price
St. LouisSalt Lake City
STL - SLC
STLSLC
Lambert-St Louis
Fri 12/12
7:00 am-12:00 pm
1 stop30h 00m
Salt Lake City
Mon 12/15
3:37 pm-11:59 pm
1 stop7h 22m
$342
St. LouisSalt Lake City
STL - SLC
STLSLC
Lambert-St Louis
Fri 2/20
2:55 pm-2:20 pm
1 stop24h 25m
Salt Lake City
Mon 2/23
9:00 am-11:56 pm
1 stop13h 56m
$378
St. LouisSalt Lake City
STL - SLC
STLSLC
Lambert-St Louis
Mon 2/23
7:00 am-2:20 pm
1 stop8h 20m
Salt Lake City
Wed 2/25
3:20 pm-11:56 pm
1 stop7h 36m
$380
St. LouisSalt Lake City
STL - SLC
STLSLC
Lambert-St Louis
Mon 2/16
5:35 am-9:55 am
1 stop5h 20m
Salt Lake City
Mon 2/23
2:05 pm-8:15 pm
1 stop5h 10m
$412
St. LouisSalt Lake City
STL - SLC
STLSLC
Lambert-St Louis
Tue 1/6
10:15 am-5:30 pm
2 stops8h 15m
Salt Lake City
Sat 1/10
7:20 am-10:05 pm
2 stops13h 45m
$413
St. LouisSalt Lake City
STL - SLC
STLSLC
Lambert-St Louis
Wed 12/31
2:18 pm-4:39 pm
Nonstop3h 21m
Salt Lake City
Tue 1/6
5:50 pm-9:35 pm
Nonstop2h 45m
$419
St. LouisSalt Lake City
STL - SLC
STLSLC
Lambert-St Louis
Thu 12/4
2:20 pm-4:39 pm
Nonstop3h 19m
Salt Lake City
Sun 12/7
8:55 pm-12:48 am
Nonstop2h 53m
$419
St. LouisSalt Lake City
STL - SLC
STLSLC
Lambert-St Louis
Mon 2/16
7:00 am-9:25 am
Nonstop3h 25m
Salt Lake City
Mon 2/23
8:34 pm-12:24 am
Nonstop2h 50m
$419
St. LouisSalt Lake City
STL - SLC
STLSLC
Lambert-St Louis
Mon 2/16
6:38 pm-9:03 pm
Nonstop3h 25m
Salt Lake City
Sun 2/22
8:34 pm-12:24 am
Nonstop2h 50m
$419
St. LouisSalt Lake City
STL - SLC
STLSLC
Lambert-St Louis
Fri 12/12
2:20 pm-4:39 pm
Nonstop3h 19m
Salt Lake City
Mon 12/15
3:30 pm-7:10 pm
Nonstop2h 40m
$419
Showing 1-10 of 23 results
Compare providers for flights from St. Louis to Salt Lake City
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 St. Louis to Salt Lake City in November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on St. Louis-Salt Lake City flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on St. Louis-Salt Lake City flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from St. Louis-Salt Lake City flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Salt Lake City flights, Cheapflights users trust CheapOair the most. CheapOair 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 St. Louis-Salt Lake City 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 St. Louis to Salt Lake City
Have a flexible travel schedule? Discover the best time to fly to Salt Lake City from St. Louis with our price prediction graph.
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 Salt Lake City
Prices
Airlines
How far ahead should I book a flight from St. Louis to Salt Lake City?
Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Salt Lake City. Price data was last updated on October 31, 2025.
The price you pay for your flight from St. Louis to Salt Lake City may vary depending on when you book. For the best chance of a lower fare, look to book 18 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from St. Louis to Salt Lake City?
Currently, February is the cheapest month in which you can book a flight from St. Louis to Salt Lake City (average of $124). Flying from St. Louis to Salt Lake City in June is currently the most expensive (average of $263). 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 SLC?
Find hourly flight availability from St. Louis to Salt Lake City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 4, 2025.
When flying from St. Louis to Salt Lake City, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 21% versus a flight in the morning.
What is the cheapest day to fly from St. Louis to Salt Lake City?
Use this chart to determine the cheapest time to fly round-trip from St. Louis to Salt Lake City. Price data was last updated on November 2, 2025.
Travelers seeking maximum savings on their St. Louis to Salt Lake City flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Salt Lake City
Get insights into the airlines that provide service to Salt Lake City. 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 Salt Lake City. Reviews last updated November 4, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from St. Louis to Salt Lake City to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Salt Lake City. 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 Salt Lake City?
Book flights to Salt Lake City if you plan to visit one of these locationsBountiful
Lehi
Farmington
Midvale
Logan
West Valley City
Evanston
West Jordan
South Jordan
Layton
Draper
Alta
Sandy
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for St. Louis to Salt Lake City
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from St. Louis to Salt Lake City
Discover the top 5 airlines that operate flights from St. Louis to Salt Lake City. 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 November 4, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$114 | Average$238 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$276 | Average$408 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$290 | Average$473 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$306 | Average$416 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$359 | Average$448 | FlexibilityNo cancel fee | On-timeN/A |