Cheap flight deals from St. Louis to Denver Starting at $27
Discover our range of affordable one-way and round-trip flights from St. Louis to Denver and kick-start your next adventure today!
- One way
- Round-trip
- Cheapest nonstopSTL07:09 pm2h 28mNonstopDEN08:37 pmSat, Feb 8|St. Louis - Denver|Frontier Airlines$27$4033% OFF33% OFF$40$27
- STL06:54 pm2h 31mNonstopDEN08:25 pmWed, Feb 26|St. Louis - Denver|Frontier Airlines$27$4032% OFF32% OFF$40$27
- STL07:04 pm2h 28mNonstopDEN08:32 pmSat, Feb 15|St. Louis - Denver|Frontier Airlines$28$4030% OFF30% OFF$40$28
- STL07:04 pm2h 28mNonstopDEN08:32 pmWed, Feb 19|St. Louis - Denver|Frontier Airlines$30$30
- STL07:09 pm2h 28mNonstopDEN08:37 pmWed, Feb 5|St. Louis - Denver|Frontier Airlines$30$30
- STL07:09 pm2h 28mNonstopDEN08:37 pmSat, Feb 1|St. Louis - Denver|Frontier Airlines$31$31
- STL06:51 pm2h 31mNonstopDEN08:22 pmWed, Apr 16|St. Louis - Denver|Frontier Airlines$31$31
- STL06:51 pm2h 31mNonstopDEN08:22 pmWed, Apr 9|St. Louis - Denver|Frontier Airlines$31$31
- STL06:51 pm2h 31mNonstopDEN08:22 pmSat, Apr 5|St. Louis - Denver|Frontier Airlines$33$33
- STL07:03 pm2h 28mNonstopDEN08:31 pmWed, Mar 26|St. Louis - Denver|Frontier Airlines$33$33
- STL01:00 pm3h 5mNonstopDEN02:00 pmMon, Feb 3|St. Louis - Denver|Frontier AirlinesFind More FlightsFind More Flights
Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
St. Louis to Denver flight time & flight schedules
F92630
Frontier Airlines
05:52 pm
STL
09:24 pm
MCO
------SF91733
Frontier Airlines
06:20 am
MCO
08:44 am
DEN
SMTWTFSF94567
Frontier Airlines
06:51 pm
STL
08:22 pm
DEN
S-T-TF-F93641
Frontier Airlines
09:29 pm
STL
11:29 pm
LAS
SMTWTFSF92016
Frontier Airlines
09:19 am
LAS
12:24 pm
DEN
SMTWTFSF93641
Frontier Airlines
09:29 pm
STL
11:29 pm
LAS
SMTWTFSF93844
Frontier Airlines
08:36 pm
LAS
11:38 pm
DEN
SMTWTFSF93641
Frontier Airlines
09:29 pm
STL
11:29 pm
LAS
SMTWTFSF91994
Frontier Airlines
12:59 am
LAS
03:56 am
DEN
------SF93641
Frontier Airlines
09:29 pm
STL
11:29 pm
LAS
SMTWTFSF94968
Frontier Airlines
09:59 pm
LAS
12:58 am
DEN
-----F-
When is the cheapest time to fly from St. Louis to Denver?
Price trend charts are a great way of tracking how much your flights cost in the lead up to departure and can help you choose when to book your tickets. See how prices to Denver from St. Louis have changed and are set to move below.
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Flight Info | St. Louis to Denver
Cheapest nonstop flight price | $26 |
---|---|
Cheapest round-trip ticket price | $36 |
Off-season for travel | January |
Peak season for travel | October |
Flight distance | 1,253.6 km |
Average flight time | 2 hours 51 minutes |
Popular airline | Frontier Airlines |
Plan Your Trip Around Denver
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