🇺🇸 DEN
Denver
822 mi
SAT 🇺🇸
San Antonio

Denver to San Antonio Flights

Denver International Airport San Antonio International Airport 4 airlines

Get Notified About Route Changes

Track up to 3 airports free. Weekly alerts when airlines add or remove routes.

Sign Up Free

The Denver to San Antonio route connects Denver International Airport (DEN) in US with San Antonio International Airport (SAT) in US. This short-haul flight covers approximately 822 miles (1323 km) with a typical flight time of 1h 43m. This route is served by 4 airlines: Frontier, Southwest, Volaris and others. AirportRoutes has tracked 17 unique flight numbers on this route.

Search tickets for this route

Compare flight prices across hundreds of booking sites

Search DEN → SAT flights

Opens a live price search — just pick your dates

Departure Airport

Denver International Airport

ICAO Code:
KDEN
IATA Code:
DEN
City:
🇺🇸 Denver
Country:
US
Elevation:
5431 ft

Destination Airport

San Antonio International Airport

ICAO Code:
KSAT
IATA Code:
SAT
City:
🇺🇸 San Antonio
Country:
US
Elevation:
809 ft

4

Operators

17

Tracked Flights

822

Miles

1h 43m

Flight Duration

Route Map

Operating Airlines

Airline ICAO IATA
Frontier FFT F9
Southwest SWA WN
Volaris VOI Y4
United UAL UA

Flight Schedule Pattern

Day Flights Observed Frequency Activity
Monday 7 15%
Tuesday 4 8%
Wednesday 8 17%
Thursday 14 29%
Friday 2 4%
Saturday 4 8%
Sunday 9 19%

Pattern Analysis

17 Tracked Flights:
Data Points: 48
API observations used to build this analysis
Weekdays: 35 flights
Weekend: 13 flights
Business Route More active on weekdays

All Flight Routes

4 Routes
Note: This table shows aggregated route data by airline. Each airline may operate multiple daily flights at different times. See the "Spotted Departure Times" section below for all observed departure times.
Airline Flight Numbers Aircraft Type Typical Time Days Active Last Seen Status
Frontier
FFT / F9
A21N 05:45 5:45 AM (Representative)
M T W T F S S
Jul 28, 2026 Active
Southwest
SWA / WN
B38M 12:40 12:40 PM (Representative)
M T W T F S S
Jul 28, 2026 Active
United
UAL / UA
B738 09:55 9:55 AM (Representative)
M T W T F S S
Jul 28, 2026 Active
Volaris
VOI / Y4
A321 21:00 9:00 PM (Representative)
M T W T F S S
Dec 25, 2025 Active
Total Routes: 4
Active Routes: 4
Unique Airlines: 4
Aircraft Types: 4

Spotted Departure Times

Departure Time Operator ICAO IATA
05:45 5:45 AM Frontier FFT F9
09:55 9:55 AM United UAL UA
12:40 12:40 PM Southwest SWA WN
21:00 9:00 PM Volaris VOI Y4

Time Information

Times are shown in the departure airport's local timezone (UTC).

Total Departure Times: 4
Time Range:
05:45 - 21:00
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.