Frontier Airlines flights from San Antonio (SAT) to Denver (DEN).

FLIGHT SCHEDULE
Direct Flights:
Mon,Thu-Sun 10:05 San Antonio (SAT) A 11:29 Denver (DEN) Frontier Airlines F9 2097 Non-stop Airbus A321 (321) 2:24 Effective 2026-03-06 through 2026-03-30
Sun 15:57 San Antonio (SAT) A 17:23 Denver (DEN) Frontier Airlines F9 2097 Non-stop Airbus A320neo (32N) 2:26 Operates only on 2026-01-18
Thu 16:06 San Antonio (SAT) A 17:31 Denver (DEN) Frontier Airlines F9 2097 Non-stop Airbus A320neo (32N) 2:25 Operates only on 2026-01-15
Mon,Thu,Fri 20:24 San Antonio (SAT) A 21:49 Denver (DEN) Frontier Airlines F9 2097 Non-stop Airbus A320neo (32N) 2:25 Effective 2026-01-22 through 2026-02-09
Sun 20:24 San Antonio (SAT) A 21:49 Denver (DEN) Frontier Airlines F9 2097 Non-stop Airbus A321neo (32Q) 2:25 Effective 2026-01-25 through 2026-02-08
Mon-Fri,Sun 06:45 San Antonio (SAT) A 08:09 Denver (DEN) Frontier Airlines F9 2355 Non-stop Airbus A321neo (32Q) 2:24 Valid until 2026-01-05
Tue,Sat 06:45 San Antonio (SAT) A 08:09 Denver (DEN) Frontier Airlines F9 2355 Non-stop Airbus A320neo (32N) 2:24 Effective 2026-01-03 through 2026-01-06
Daily 06:45 San Antonio (SAT) A 08:08 Denver (DEN) Frontier Airlines F9 2355 Non-stop Airbus A320neo (32N) 2:23 Effective 2026-03-06 through 2026-03-13
Daily 06:45 San Antonio (SAT) A 08:08 Denver (DEN) Frontier Airlines F9 2355 Non-stop Airbus A321 (321) 2:23 Effective 2026-03-14 through 2026-03-31
Daily 06:45 San Antonio (SAT) A 08:09 Denver (DEN) Frontier Airlines F9 2355 Non-stop Airbus A321 (321) 2:24 Effective 2026-04-01 through 2026-04-13
Sun 19:07 San Antonio (SAT) A 20:32 Denver (DEN) Frontier Airlines F9 2355 Non-stop Airbus A320neo (32N) 2:25 Effective 2026-02-15 through 2026-03-01
Sat 19:56 San Antonio (SAT) A 21:21 Denver (DEN) Frontier Airlines F9 2355 Non-stop Airbus A320neo (32N) 2:25 Effective 2026-02-14 through 2026-02-28
Thu 20:20 San Antonio (SAT) A 21:45 Denver (DEN) Frontier Airlines F9 2355 Non-stop Airbus A320neo (32N) 2:25 Operates only on 2026-02-26
Fri 20:22 San Antonio (SAT) A 21:47 Denver (DEN) Frontier Airlines F9 2355 Non-stop Airbus A320neo (32N) 2:25 Effective 2026-02-13 through 2026-02-27
Mon 20:22 San Antonio (SAT) A 21:47 Denver (DEN) Frontier Airlines F9 2355 Non-stop Airbus A320 (320) 2:25 Effective 2026-02-16 through 2026-03-02
Thu 20:25 San Antonio (SAT) A 21:49 Denver (DEN) Frontier Airlines F9 2355 Non-stop Airbus A321neo (32Q) 2:24 Effective 2026-02-12 through 2026-02-19
Thu 10:13 San Antonio (SAT) A 11:39 Denver (DEN) Frontier Airlines F9 3707 Non-stop Airbus A320neo (32N) 2:26 Operates only on 2026-01-08
Fri 10:13 San Antonio (SAT) A 11:39 Denver (DEN) Frontier Airlines F9 3707 Non-stop Airbus A320 (320) 2:26 Operates only on 2026-01-09
Sun 10:13 San Antonio (SAT) A 11:39 Denver (DEN) Frontier Airlines F9 3707 Non-stop Airbus A321neo (32Q) 2:26 Operates only on 2026-01-11
Thu,Sun 10:15 San Antonio (SAT) A 11:39 Denver (DEN) Frontier Airlines F9 3707 Non-stop Airbus A320neo (32N) 2:24 Effective 2026-01-15 through 2026-01-18
Mon,Fri 11:17 San Antonio (SAT) A 12:42 Denver (DEN) Frontier Airlines F9 3707 Non-stop Airbus A320neo (32N) 2:25 Effective 2026-01-16 through 2026-01-19
Tue,Sun 12:18 San Antonio (SAT) A 13:41 Denver (DEN) Frontier Airlines F9 3707 Non-stop Airbus A320neo (32N) 2:23 Valid until 2026-01-04
Mon,Fri 12:18 San Antonio (SAT) A 13:41 Denver (DEN) Frontier Airlines F9 3707 Non-stop Airbus A321neo (32Q) 2:23 Valid until 2026-01-05
Sat 13:33 San Antonio (SAT) A 14:57 Denver (DEN) Frontier Airlines F9 3707 Non-stop Airbus A321 (321) 2:24 Operates only on 2026-01-03
Wed,Thu 14:09 San Antonio (SAT) A 15:33 Denver (DEN) Frontier Airlines F9 3707 Non-stop Airbus A321neo (32Q) 2:24 Valid until 2026-01-01
Tue 15:55 San Antonio (SAT) A 17:23 Denver (DEN) Frontier Airlines F9 3707 Non-stop Airbus A320neo (32N) 2:28 Operates only on 2026-01-06
Wed 15:55 San Antonio (SAT) A 17:23 Denver (DEN) Frontier Airlines F9 3707 Non-stop Airbus A321neo (32Q) 2:28 Operates only on 2026-01-07
Sat 15:55 San Antonio (SAT) A 17:23 Denver (DEN) Frontier Airlines F9 3707 Non-stop Airbus A321 (321) 2:28 Operates only on 2026-01-10
Tue 17:12 San Antonio (SAT) A 18:36 Denver (DEN) Frontier Airlines F9 3707 Non-stop Airbus A320neo (32N) 2:24 Operates only on 2026-02-10
Tue,Wed 17:12 San Antonio (SAT) A 18:36 Denver (DEN) Frontier Airlines F9 3707 Non-stop Airbus A321neo (32Q) 2:24 Effective 2026-02-11 through 2026-03-04
Thu 20:25 San Antonio (SAT) A 21:49 Denver (DEN) Frontier Airlines F9 3707 Non-stop Airbus A321neo (32Q) 2:24 Operates only on 2026-03-05

A domestic route departing from the San Antonio airport (SAT) and arriving at Denver airport (DEN).
The flight distance is 795 miles, or 1279 km.
The timezone of the departure airport is UTC-6 , and the timezone of the arrival airport is UTC-7 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
For direct flights, the flight time varies between 2:23 and 2:28.

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FLIGHT SCHEDULE

Direct Flights:

Frontier Airlines F92097

10:05

San Antonio (SAT) A

11:29

Denver (DEN)

Effective 2026-03-06 through 2026-03-30

Mon

Tue
-

Wed
-

Thu

Fri

Sat

Sun

Duration: 2:24, non-stop
Airbus A321 (321)

Direct Flights:

Frontier Airlines F92097

15:57

San Antonio (SAT) A

17:23

Denver (DEN)

Operates only on 2026-01-18

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:26, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F92097

16:06

San Antonio (SAT) A

17:31

Denver (DEN)

Operates only on 2026-01-15

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:25, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F92097

20:24

San Antonio (SAT) A

21:49

Denver (DEN)

Effective 2026-01-22 through 2026-02-09

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:25, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F92097

20:24

San Antonio (SAT) A

21:49

Denver (DEN)

Effective 2026-01-25 through 2026-02-08

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:25, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F92355

06:45

San Antonio (SAT) A

08:09

Denver (DEN)

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 2:24, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F92355

06:45

San Antonio (SAT) A

08:09

Denver (DEN)

Effective 2026-01-03 through 2026-01-06

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:24, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F92355

06:45

San Antonio (SAT) A

08:08

Denver (DEN)

Effective 2026-03-06 through 2026-03-13

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:23, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F92355

06:45

San Antonio (SAT) A

08:08

Denver (DEN)

Effective 2026-03-14 through 2026-03-31

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:23, non-stop
Airbus A321 (321)

Direct Flights:

Frontier Airlines F92355

06:45

San Antonio (SAT) A

08:09

Denver (DEN)

Effective 2026-04-01 through 2026-04-13

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:24, non-stop
Airbus A321 (321)

Direct Flights:

Frontier Airlines F92355

19:07

San Antonio (SAT) A

20:32

Denver (DEN)

Effective 2026-02-15 through 2026-03-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:25, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F92355

19:56

San Antonio (SAT) A

21:21

Denver (DEN)

Effective 2026-02-14 through 2026-02-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:25, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F92355

20:20

San Antonio (SAT) A

21:45

Denver (DEN)

Operates only on 2026-02-26

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:25, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F92355

20:22

San Antonio (SAT) A

21:47

Denver (DEN)

Effective 2026-02-13 through 2026-02-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 2:25, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F92355

20:22

San Antonio (SAT) A

21:47

Denver (DEN)

Effective 2026-02-16 through 2026-03-02

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:25, non-stop
Airbus A320 (320)

Direct Flights:

Frontier Airlines F92355

20:25

San Antonio (SAT) A

21:49

Denver (DEN)

Effective 2026-02-12 through 2026-02-19

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:24, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F93707

10:13

San Antonio (SAT) A

11:39

Denver (DEN)

Operates only on 2026-01-08

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:26, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F93707

10:13

San Antonio (SAT) A

11:39

Denver (DEN)

Operates only on 2026-01-09

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 2:26, non-stop
Airbus A320 (320)

Direct Flights:

Frontier Airlines F93707

10:13

San Antonio (SAT) A

11:39

Denver (DEN)

Operates only on 2026-01-11

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:26, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F93707

10:15

San Antonio (SAT) A

11:39

Denver (DEN)

Effective 2026-01-15 through 2026-01-18

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun

Duration: 2:24, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F93707

11:17

San Antonio (SAT) A

12:42

Denver (DEN)

Effective 2026-01-16 through 2026-01-19

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 2:25, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F93707

12:18

San Antonio (SAT) A

13:41

Denver (DEN)

Valid until 2026-01-04

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:23, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F93707

12:18

San Antonio (SAT) A

13:41

Denver (DEN)

Valid until 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 2:23, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F93707

13:33

San Antonio (SAT) A

14:57

Denver (DEN)

Operates only on 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:24, non-stop
Airbus A321 (321)

Direct Flights:

Frontier Airlines F93707

14:09

San Antonio (SAT) A

15:33

Denver (DEN)

Valid until 2026-01-01

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:24, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F93707

15:55

San Antonio (SAT) A

17:23

Denver (DEN)

Operates only on 2026-01-06

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:28, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F93707

15:55

San Antonio (SAT) A

17:23

Denver (DEN)

Operates only on 2026-01-07

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:28, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F93707

15:55

San Antonio (SAT) A

17:23

Denver (DEN)

Operates only on 2026-01-10

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:28, non-stop
Airbus A321 (321)

Direct Flights:

Frontier Airlines F93707

17:12

San Antonio (SAT) A

18:36

Denver (DEN)

Operates only on 2026-02-10

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:24, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F93707

17:12

San Antonio (SAT) A

18:36

Denver (DEN)

Effective 2026-02-11 through 2026-03-04

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:24, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F93707

20:25

San Antonio (SAT) A

21:49

Denver (DEN)

Operates only on 2026-03-05

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:24, non-stop
Airbus A321neo (32Q)

A domestic route departing from the San Antonio airport (SAT) and arriving at Denver airport (DEN).
The flight distance is 795 miles, or 1279 km.
The timezone of the departure airport is UTC-6 , and the timezone of the arrival airport is UTC-7 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
For direct flights, the flight time varies between 2:23 and 2:28.

All SAT-DEN flights

All Frontier Airlines flights

Return (DEN-SAT) flights

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