| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| Best option Denver St. Louis | Outbound 06/20/25 direct F93302 02h 12min | Return 07/19/25 direct F94567 02h 31min |  Frontier Airlines |  | $88 | ||
| Denver St. Louis | Outbound 06/20/25 direct F93302 02h 12min | Return 07/19/25 direct F94567 02h 31min | Frontier Airlines |  | $93 | ||
| Denver St. Louis | Outbound 06/20/25 direct F93302 02h 12min | Return 07/19/25 direct F94567 02h 31min | Frontier Airlines |  | $96 | ||
| Denver St. Louis | Outbound 06/20/25 direct F93302 02h 12min | Return 07/19/25 direct F94567 02h 31min | Frontier Airlines |  | ? | $97 | |
| Denver St. Louis | Outbound 04/21/25 direct F93302 02h 06min | Return 05/19/25 1 Stopover (MCO) F92630, F91733 15h 31min | Frontier Airlines | | $98 | ||
| Denver St. Louis | Outbound 04/21/25 direct F93302 02h 06min | Return 05/19/25 1 Stopover (MCO) F92630, F91733 15h 31min | Frontier Airlines |  | $102 | ||
| Denver St. Louis | Outbound 04/21/25 direct F93302 02h 06min | Return 05/19/25 1 Stopover (MCO) F92630, F91733 15h 31min | Frontier Airlines | | ? | $103 | |
| Denver St. Louis | Outbound 04/21/25 direct F93302 02h 06min | Return 05/19/25 direct F94567 02h 29min | Frontier Airlines |  | ? | $106 | |
| Denver St. Louis | Outbound 04/21/25 direct F93302 02h 06min | Return 05/19/25 direct F94567 02h 29min | Frontier Airlines | | $116 | ||
| Denver St. Louis | Outbound 04/12/25 direct F93302 02h 06min | Return 04/27/25 2 Stopovers (MCO, LAS) F92630, F91875, F91994 35h 15min | Frontier Airlines | | ? | $167 found 2 days ago |
Stops
- Direct flight
Airline
- Frontier Airlines
- United Airlines
- American Airlines
- Alaska Airlines
Flight type
- Return
Outbound departure month
- April 2025
- June 2025
Outbound weekday
- Monday
- Friday
- Saturday
Return departure month
- April 2025
- May 2025
- July 2025
Return weekday
- Monday
- Saturday
- Sunday
Change in
- Charlotte Douglas International Airport, NC
- Seattle-Tacoma International Airport, WA
Tips and tricks to help you find cheap flights from Denver to St. Louis
Favorite airline: Frontier Airlines
Flight tickets on the route Denver – St. Louis are most frequently booked with Frontier Airlines.
Frontier Airlines
62 %
United Airlines
38 %
Important flight information
Flight information: Denver - St. Louis
| Roundtrip from | 87,73 $US |
|---|---|
| Flight duration | min. 01:50 / max. 07:30 |
| Return flight duration | min. 02:20/ max. 11:15 |
| Distance | 1237 km |
| Flights per week | 123 |
| Departure airport | Airport Denver International Airport, CO (DEN) |
| Arrival airport | Airport St. Louis - Lambert International Airport (STL) |
| Destination country | Flights to United States |
Alternative routes to United States
- Flight Denver - Las Vegas from 101 $US
- Flight Denver - San Francisco from 72 $US
- Flight Denver - Miami from 160 $US
- Flight Denver - New York from 112 $US
- Flight Denver - Seattle-Tacoma from 122 $US
- Flight Denver - Los Angeles from 86 $US
- Flight Denver - Chicago from 101 $US
- Flight Denver - New York from 112 $US
- Flight Denver - Tampa from 192 $US
- Flight Denver - Dallas from 46 $US
Alternative flights to St. Louis
- Flight Atlanta - St. Louis from 109 $US
- Flight Tampa - St. Louis from 495 $US
- Flight Los Angeles - St. Louis from 404 $US
- Flight Orlando - St. Louis from 202 $US
- Flight Las Vegas - St. Louis from 421 $US
- Flight Chicago - St. Louis from 123 $US
- Flight Fort Myers - St. Louis from 475 $US
- Flight Miami - St. Louis from 420 $US
- Flight Dallas - St. Louis from 170 $US
- Flight Boston - St. Louis from 282 $US
Flight destinations with a similar price
- Flight St. Louis - Dublin from 765 $US
- Flight St. Louis - Puerto Vallarta from 465 $US
- Flight St. Louis - Frankfurt from 1 011 $US
- Flight St. Louis - Hamburg from 955 $US
- Flight St. Louis - Dusseldorf from 964 $US
- Flight St. Louis - Munich from 969 $US
- Flight St. Louis - Berlin from 985 $US
- Flight St. Louis - Amsterdam from 896 $US
Flight destinations with a similar price
- Flight Denver - San Francisco from 72 $US
- Flight Denver - Los Angeles from 86 $US
- Flight Denver - Phoenix - Sky Harbor from 54 $US
- Flight Denver - Minneapolis from 62 $US
- Flight Denver - San Diego from 76 $US
- Flight Denver - Portland-Oregon from 81 $US
- Flight Denver - Houston - George Bush from 82 $US
- Flight Denver - Austin from 99 $US
- Flight Denver - San Jose from 99 $US