Frontier Airlines flights from DEN to STL
Find comprehensive Frontier Airlines flight information, schedules, and booking details for direct flights from DEN to STL. Frontier Airlines operates 6-16 flights daily flights on this route.• Flight Duration: 1h 56m - 2h 20m (average flight time)• Distance: 772 miles (1242 km) (air miles between airports)• Daily Flights: 6-16 flights (scheduled departures per day)
DEN
STL
FLIGHT TIME
1h 56m - 2h 20m
FLIGHT DISTANCE
772 miles (1242 km)
2h 12m - 2h 12m
06:50
06:50
772 miles (1242 km)
January
1 (Show)
74
Frontier Airlines Flight Schedule from DEN to STL
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
F93302 |  Frontier Airlines | 06:50 | 10:02:00 | Airbus A321neo |
Frontier Airlines Monthly Flight Calendar
December 2025
Route Insights
Pricing patterns: January typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 6:00, offering more flight options and potentially better connections.
DEN - STL flight price statistics
$233
ApproximateThe numbers are average prices found based on user searches for direct flights between the airports. It's calculated from the cheapest prices found per month for a round-trip with 1 adult and can vary depending on the amount of data we have for this particular route.
$67
Jan$110
Feb$78
Mar$93
Apr$326
May$180
Jun$284
Jul$264
Aug$244
Sep$220
Oct$601
Nov$326
DecFrontier Airlines Terminal Information
Terminal information for Frontier Airlines on this route is currently being updated. Please check back soon or contact the airports directly for terminal details.
Frequently Asked Questions about Frontier Airlines Flights
How many Frontier Airlines flights operate from DEN to STL?
Frontier Airlines operates 1 flight from DEN to STL.
What city does STL airport serve?
STL airport serves Saint Louis.
How long is the Frontier Airlines flight from DEN to STL?
The flight duration is approximately 1h 56m - 2h 20m.
What is the distance from DEN to STL?
The distance is 772 miles (1242 km).
What aircraft does Frontier Airlines use on this route?
Frontier Airlines uses Airbus A321neo on this route.
Which other airlines operate on this route?
2 other airlines operate on this route: Southwest Airlines, United Airlines.
What is the cheapest month to fly Frontier Airlines from DEN to STL?
January is typically the cheapest month to fly Frontier Airlines on this route.
What is the average price for a Frontier Airlines flight from DEN to STL?
The average price for a round-trip Frontier Airlines flight on this route is approximately $233. Prices can vary based on booking time and demand.
How many Frontier Airlines flights operate per week on this route?
Frontier Airlines operates approximately 74 flights per week from DEN to STL.