| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| St. Louis Denver | Outbound 04/12/25 direct F94567 02h 31min | Return 04/27/25 1 Stopover (ORD) F93174, AA1926 26h 17min |  Frontier Airlines |  | ? | $180 | |
| Best option St. Louis Denver | Outbound 04/12/25 direct F94567 02h 31min | Return 04/27/25 direct UA0525 02h 06min | Frontier Airlines |  | ? | $207 | |
| St. Louis Denver | Outbound 04/12/25 direct F94567 02h 31min | Return 04/27/25 1 Stopover (LAS) F94967, F93108 26h 36min | Frontier Airlines |  | $229 | ||
| St. Louis Denver | Outbound 04/12/25 direct F94567 02h 31min | Return 04/27/25 1 Stopover (LAS) F94967, F93108 26h 36min | Frontier Airlines |  | $232 | ||
| St. Louis Denver | Outbound 04/12/25 direct UA2625 02h 30min | Return 04/27/25 direct UA0525 02h 06min |  United Airlines |  | ? | $292 | |
| St. Louis Denver | Outbound 04/12/25 direct UA2625 02h 30min | Return 04/27/25 direct UA0525 02h 06min | United Airlines |  | $314 | ||
| St. Louis Denver | Outbound 04/12/25 1 Stopover (CLT) AA3096, AA1529 08h 28min | Return 04/27/25 1 Stopover (CLT) AA2878, AA2497 07h 31min |  American Airlines |  | ? | $380 | |
| St. Louis Denver | Outbound 04/12/25 direct UA2625 02h 30min | Return 04/27/25 direct UA0525 02h 06min | United Airlines |  | ? | $436 | |
| St. Louis Denver | Outbound 04/12/25 direct F94567 02h 31min | Return 04/27/25 1 Stopover (LAS) F92349, F93108 06h 37min | Frontier Airlines |  | $590 | ||
| St. Louis Denver | Outbound 04/12/25 1 Stopover (SEA) AS0473, AS0620 10h 56min | Return 04/27/25 1 Stopover (SEA) AS0683, AS0472 11h 04min |  Alaska Airlines |  | ? | $715 |
Airline
- Frontier Airlines
- United Airlines
- American Airlines
- Alaska Airlines
Tips and tricks to help you find cheap flights from St. Louis to Denver
Favorite airline: Frontier Airlines
100 % of bookings on this flight route are made with Frontier Airlines, United Airlines and Delta.
Frontier Airlines
55 %
United Airlines
36 %
Delta
9 %
Direct flights are cheaper
Direct flights on this route are $162.00 cheaper on average than flights with a stopover.
non stop flight
1 stop
02h 28min
08h 30min
$117
$279
The favorite connection is non-stop
Non-stop flights are especially popular on this route. 88 % of travelers will book a direct flight.
Route
bookings
Direct flights
02h 28min, from $117
88 %
1 stopover Detroit Metropolitan Wayne County Airport, MI
08h 30min, from $279
12 %
Important flight information
Flight information: St. Louis - Denver
| Roundtrip from | $179.60 |
|---|---|
| Flight duration | min. 02:20 / max. 11:15 |
| Return flight duration | min. 01:50/ max. 07:30 |
| Distance | 1237 km |
| Flights per week | 123 |
| Departure airport | Airport St. Louis - Lambert International Airport (STL) |
| Arrival airport | Airport Denver International Airport, CO (DEN) |
| Destination country | Flights to United States |
Alternative routes to United States
- Flight St. Louis - New York from $131
- Flight St. Louis - Los Angeles from $122
- Flight St. Louis - Las Vegas from $296
- Flight St. Louis - Tampa from $216
- Flight St. Louis - San Francisco from $122
- Flight St. Louis - Orlando from $136
- Flight St. Louis - Fort Myers from $349
- Flight St. Louis - Seattle-Tacoma from $232
- Flight St. Louis - Chicago O'Hare from $113
- Flight St. Louis - Phoenix - Sky Harbor from $200
Alternative flights to Denver
- Flight New York - Denver from $166
- Flight San Francisco - Denver from $85
- Flight Chicago - Denver from $81
- Flight New York - Denver from $179
- Flight Miami - Denver from $158
- Flight Washington-DC - Denver from $131
- Flight Los Angeles - Denver from $86
- Flight Dallas - Denver from $44
- Flight Las Vegas - Denver from $37
- Flight Chicago O'Hare - Denver from $81
Flight destinations with a similar price
- Flight Denver - Amsterdam from $442
- Flight Denver - Cancun from $210
- Flight Denver - Frankfurt from $681
- Flight Denver - London Heathrow from $588
- Flight Denver - Munich from $666
- Flight Denver - Toronto from $289
- Flight Denver - Puerto Vallarta from $314
- Flight Denver - Muenster-Osnabrueck from $1,174
- Flight Denver - Hamburg from $679
- Flight Denver - Dusseldorf from $668
Flight destinations with a similar price
- Flight St. Louis - Minneapolis from $177