
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $128 (Expedia) |
One-way from | $60 (Trip.com) |
Popular in | December |
Cheapest in | April |
Average price | $499 |
Good round-trip deal | $394 or less |
Good one-way deal | $188 or less |
Fly from
Fly to
Route
Depart
Return
Price
St. LouisSalt Lake City
STL - SLC
STLSLC
Lambert-St Louis
Wed 12/24
7:43 pm-12:07 am
1 stop5h 24m
Salt Lake City
Mon 12/29
10:25 pm-9:25 pm
1 stop22h 00m
St. LouisSalt Lake City
STL - SLC
STLSLC
Lambert-St Louis
Tue 1/6
7:00 am-11:46 pm
1 stop17h 46m
Salt Lake City
Mon 1/12
6:28 pm-1:54 pm
1 stop18h 26m
St. LouisSalt Lake City
STL - SLC
STLSLC
Lambert-St Louis
Thu 1/8
2:50 pm-10:31 am
2 stops20h 41m
Salt Lake City
Thu 1/15
8:20 am-1:54 pm
2 stops28h 34m
St. LouisSalt Lake City
STL - SLC
STLSLC
Lambert-St Louis
Thu 2/26
7:00 am-11:58 pm
1 stop17h 58m
Salt Lake City
Tue 3/3
9:00 am-1:51 pm
1 stop27h 51m
St. LouisSalt Lake City
STL - SLC
STLSLC
Lambert-St Louis
Fri 1/9
2:50 pm-11:43 pm
1 stop9h 53m
Salt Lake City
Mon 1/12
6:28 pm-1:54 pm
1 stop18h 26m
St. LouisSalt Lake City
STL - SLC
STLSLC
Lambert-St Louis
Sun 2/15
3:19 pm-10:02 pm
1 stop7h 43m
Salt Lake City
Wed 2/18
9:00 am-1:51 pm
1 stop27h 51m
St. LouisSalt Lake City
STL - SLC
STLSLC
Lambert-St Louis
Fri 1/9
2:50 pm-11:43 pm
1 stop9h 53m
Salt Lake City
Tue 1/13
3:40 pm-1:54 pm
1 stop21h 14m
St. LouisSalt Lake City
STL - SLC
STLSLC
Lambert-St Louis
Sat 1/31
6:19 pm-8:58 pm
1 stop27h 39m
Salt Lake City
Tue 2/3
8:20 am-1:54 pm
2 stops28h 34m
St. LouisSalt Lake City
STL - SLC
STLSLC
Lambert-St Louis
Mon 2/23
3:55 pm-11:00 pm
2 stops8h 05m
Salt Lake City
Wed 2/25
12:35 pm-8:35 pm
1 stop7h 00m
St. LouisSalt Lake City
STL - SLC
STLSLC
Lambert-St Louis
Thu 1/22
6:20 am-11:55 am
1 stop6h 35m
Salt Lake City
Mon 1/26
9:30 am-8:35 pm
2 stops10h 05m
Currently, February is the cheapest month in which you can book a flight from St. Louis to Utah (average of $131). Flying from St. Louis to Utah in December is currently the most expensive (average of $283). 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.
A simple way to save on the total cost of your ticket is to fly from St. Louis to Utah in the evening. If you’re flexible enough to do this you can expect to save up to 51% on your trip compared to booking a flight at noon.
Travelers seeking maximum savings on their St. Louis to Utah flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Entertainment
Overall
Comfort
Boarding
Crew
Food
Reviews
Thomas,Dec 2025
SEA - DEN
Entertainment
Overall
Comfort
Boarding
Crew
Food
Reviews
Thomas,Dec 2025
SEA - DEN
Entertainment
Overall
Comfort
Boarding
Crew
Food
Reviews
Thomas,Dec 2025
SEA - DEN
Entertainment
Overall
Comfort
Boarding
Crew
Food
Reviews
Thomas,Dec 2025
SEA - DEN
Entertainment
Overall
Comfort
Boarding
Crew
Food
Reviews
Thomas,Dec 2025
SEA - DEN
Entertainment
Overall
Comfort
Boarding
Crew
Food
Reviews
Thomas,Dec 2025
SEA - DEN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$115 | Average$234 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$258 | Average$405 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$276 | Average$402 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$290 | Average$554 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$306 | Average$413 | FlexibilityNo cancel fee | On-time63% |