United Airlines flights from STL to DEN
Find comprehensive United Airlines flight information, schedules, and booking details for direct flights from STL to DEN. United Airlines operates 7-15 flights daily flights on this route.• Flight Duration: 2h 10m - 2h 39m (average flight time)• Distance: 772 miles (1242 km) (air miles between airports)• Daily Flights: 7-15 flights (scheduled departures per day)
STL
DEN
FLIGHT TIME
2h 10m - 2h 39m
FLIGHT DISTANCE
772 miles (1242 km)
2h 30m - 2h 31m
09:00
16:43
772 miles (1242 km)
March
1 (Show)
77
United Airlines Flight Schedule from STL to DEN
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
UA1396 |  United Airlines | 09:00 | 10:30:00 | Boeing 737MAX 8 Passenger |
UA2625 | United Airlines | 13:35 | 15:05:00 | Airbus A320 |
UA696 | United Airlines | 16:43 | 18:14:00 | Airbus A320 |
United Airlines Monthly Flight Calendar
December 2025
Route Insights
Duration variability: Flight duration on this route can vary based on aircraft type, wind conditions, and airline scheduling. Average duration is 2h 10m - 2h 39m.
Pricing patterns: March typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 9:00, 13:00, 16:00, offering more flight options and potentially better connections.
STL - DEN flight price statistics
$175
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.
$61
Jan$48
Feb$39
Mar$93
Apr$39
May$180
Jun$190
Jul$241
Aug$230
Sep$326
Oct$326
Nov$326
DecUnited Airlines Terminal Information
Terminal information for United Airlines on this route is currently being updated. Please check back soon or contact the airports directly for terminal details.
Frequently Asked Questions about United Airlines Flights
How many United Airlines flights operate from STL to DEN?
United Airlines operates 3 flights from STL to DEN.
What city does DEN airport serve?
DEN airport serves Denver.
How long is the United Airlines flight from STL to DEN?
The flight duration is approximately 2h 10m - 2h 39m.
What is the distance from STL to DEN?
The distance is 772 miles (1242 km).
What aircraft does United Airlines use on this route?
United Airlines uses Boeing 737MAX 8 Passenger, Airbus A320 on this route.
Which other airlines operate on this route?
2 other airlines operate on this route: Southwest Airlines, Frontier Airlines.
What are the earliest and latest United Airlines flight departure times?
The earliest United Airlines flight departs at 09:00 and the latest departs at 16:43.
What is the cheapest month to fly United Airlines from STL to DEN?
March is typically the cheapest month to fly United Airlines on this route.
What is the average price for a United Airlines flight from STL to DEN?
The average price for a round-trip United Airlines flight on this route is approximately $175. Prices can vary based on booking time and demand.
How many United Airlines flights operate per week on this route?
United Airlines operates approximately 77 flights per week from STL to DEN.