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

FLIGHT SCHEDULE
Direct Flights:
Mon,Thu-Sun 05:45 Denver (DEN) 09:06 San Antonio (SAT) A Frontier Airlines F9 2098 Non-stop Airbus A321 (321) 2:21 Effective 2026-03-06 through 2026-03-30
Sun 11:54 Denver (DEN) 15:12 San Antonio (SAT) A Frontier Airlines F9 2098 Non-stop Airbus A320neo (32N) 2:18 Operates only on 2026-01-18
Thu 11:56 Denver (DEN) 15:14 San Antonio (SAT) A Frontier Airlines F9 2098 Non-stop Airbus A320neo (32N) 2:18 Operates only on 2026-01-15
Sun 15:06 Denver (DEN) 18:22 San Antonio (SAT) A Frontier Airlines F9 2098 Non-stop Airbus A320neo (32N) 2:16 Effective 2026-02-15 through 2026-03-01
Sat 15:45 Denver (DEN) 19:01 San Antonio (SAT) A Frontier Airlines F9 2098 Non-stop Airbus A320neo (32N) 2:16 Effective 2026-02-14 through 2026-02-28
Thu 16:08 Denver (DEN) 19:25 San Antonio (SAT) A Frontier Airlines F9 2098 Non-stop Airbus A320neo (32N) 2:17 Operates only on 2026-02-26
Sun 16:12 Denver (DEN) 19:29 San Antonio (SAT) A Frontier Airlines F9 2098 Non-stop Airbus A321neo (32Q) 2:17 Effective 2026-01-25 through 2026-02-08
Thu 16:13 Denver (DEN) 19:30 San Antonio (SAT) A Frontier Airlines F9 2098 Non-stop Airbus A321neo (32Q) 2:17 Effective 2026-02-12 through 2026-02-19
Thu 16:13 Denver (DEN) 19:30 San Antonio (SAT) A Frontier Airlines F9 2098 Non-stop Airbus A321neo (32Q) 2:17 Operates only on 2026-03-05
Mon,Thu,Fri 16:16 Denver (DEN) 19:33 San Antonio (SAT) A Frontier Airlines F9 2098 Non-stop Airbus A320neo (32N) 2:17 Effective 2026-01-22 through 2026-02-09
Fri 16:20 Denver (DEN) 19:37 San Antonio (SAT) A Frontier Airlines F9 2098 Non-stop Airbus A320neo (32N) 2:17 Effective 2026-02-13 through 2026-02-27
Mon 16:20 Denver (DEN) 19:37 San Antonio (SAT) A Frontier Airlines F9 2098 Non-stop Airbus A320 (320) 2:17 Effective 2026-02-16 through 2026-03-02
Thu 06:00 Denver (DEN) 09:18 San Antonio (SAT) A Frontier Airlines F9 2356 Non-stop Airbus A320neo (32N) 2:18 Operates only on 2026-01-08
Fri 06:00 Denver (DEN) 09:18 San Antonio (SAT) A Frontier Airlines F9 2356 Non-stop Airbus A320 (320) 2:18 Operates only on 2026-01-09
Sun 06:00 Denver (DEN) 09:18 San Antonio (SAT) A Frontier Airlines F9 2356 Non-stop Airbus A321neo (32Q) 2:18 Operates only on 2026-01-11
Thu,Sun 06:05 Denver (DEN) 09:30 San Antonio (SAT) A Frontier Airlines F9 2356 Non-stop Airbus A320neo (32N) 2:25 Effective 2026-01-15 through 2026-01-18
Mon,Fri 07:00 Denver (DEN) 10:22 San Antonio (SAT) A Frontier Airlines F9 2356 Non-stop Airbus A320neo (32N) 2:22 Effective 2026-01-16 through 2026-01-19
Tue,Sun 08:05 Denver (DEN) 11:21 San Antonio (SAT) A Frontier Airlines F9 2356 Non-stop Airbus A320neo (32N) 2:16 Valid until 2026-01-04
Mon,Fri 08:05 Denver (DEN) 11:21 San Antonio (SAT) A Frontier Airlines F9 2356 Non-stop Airbus A321neo (32Q) 2:16 Valid until 2026-01-05
Sat 09:20 Denver (DEN) 12:36 San Antonio (SAT) A Frontier Airlines F9 2356 Non-stop Airbus A321 (321) 2:16 Operates only on 2026-01-03
Wed,Thu 10:00 Denver (DEN) 13:14 San Antonio (SAT) A Frontier Airlines F9 2356 Non-stop Airbus A321neo (32Q) 2:14 Valid until 2026-01-01
Tue 11:42 Denver (DEN) 15:00 San Antonio (SAT) A Frontier Airlines F9 2356 Non-stop Airbus A320neo (32N) 2:18 Operates only on 2026-01-06
Wed 11:42 Denver (DEN) 15:00 San Antonio (SAT) A Frontier Airlines F9 2356 Non-stop Airbus A321neo (32Q) 2:18 Operates only on 2026-01-07
Sat 11:42 Denver (DEN) 15:00 San Antonio (SAT) A Frontier Airlines F9 2356 Non-stop Airbus A321 (321) 2:18 Operates only on 2026-01-10
Tue 13:00 Denver (DEN) 16:17 San Antonio (SAT) A Frontier Airlines F9 2356 Non-stop Airbus A320neo (32N) 2:17 Operates only on 2026-02-10
Tue,Wed 13:00 Denver (DEN) 16:17 San Antonio (SAT) A Frontier Airlines F9 2356 Non-stop Airbus A321neo (32Q) 2:17 Effective 2026-02-11 through 2026-03-04
Mon-Thu,Sat,Sun 21:00 Denver (DEN) 00:17 San Antonio (SAT) A Frontier Airlines F9 3708 Non-stop Airbus A321neo (32Q) 2:17 Valid until 2026-01-04 The flight arrives 1 day after departure.
Mon,Fri 21:00 Denver (DEN) 00:17 San Antonio (SAT) A Frontier Airlines F9 3708 Non-stop Airbus A320neo (32N) 2:17 Effective 2026-01-02 through 2026-01-05 The flight arrives 1 day after departure.
Daily 21:00 Denver (DEN) 00:17 San Antonio (SAT) A Frontier Airlines F9 3708 Non-stop Airbus A320neo (32N) 2:17 Effective 2026-03-06 through 2026-03-12 The flight arrives 1 day after departure.
Daily 21:00 Denver (DEN) 00:17 San Antonio (SAT) A Frontier Airlines F9 3708 Non-stop Airbus A321 (321) 2:17 Effective 2026-03-13 through 2026-04-13 The flight arrives 1 day after departure.

A domestic route departing from the Denver airport (DEN) and arriving at San Antonio airport (SAT).
The flight distance is 795 miles, or 1279 km.
The timezone of the departure airport is UTC-7 , and the timezone of the arrival airport is UTC-6 . 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 2:14 and 2:25.

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FLIGHT SCHEDULE

Direct Flights:

Frontier Airlines F92098

05:45

Denver (DEN)

09:06

San Antonio (SAT) A

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat

Sun

Duration: 2:21, non-stop
Airbus A321 (321)

Direct Flights:

Frontier Airlines F92098

11:54

Denver (DEN)

15:12

San Antonio (SAT) A

Operates only on 2026-01-18

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:18, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F92098

11:56

Denver (DEN)

15:14

San Antonio (SAT) A

Operates only on 2026-01-15

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:18, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F92098

15:06

Denver (DEN)

18:22

San Antonio (SAT) A

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:16, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F92098

15:45

Denver (DEN)

19:01

San Antonio (SAT) A

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:16, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F92098

16:08

Denver (DEN)

19:25

San Antonio (SAT) A

Operates only on 2026-02-26

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:17, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F92098

16:12

Denver (DEN)

19:29

San Antonio (SAT) A

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:17, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F92098

16:13

Denver (DEN)

19:30

San Antonio (SAT) A

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

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:17, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F92098

16:13

Denver (DEN)

19:30

San Antonio (SAT) A

Operates only on 2026-03-05

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:17, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F92098

16:16

Denver (DEN)

19:33

San Antonio (SAT) A

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:17, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F92098

16:20

Denver (DEN)

19:37

San Antonio (SAT) A

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 2:17, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F92098

16:20

Denver (DEN)

19:37

San Antonio (SAT) A

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

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:17, non-stop
Airbus A320 (320)

Direct Flights:

Frontier Airlines F92356

06:00

Denver (DEN)

09:18

San Antonio (SAT) A

Operates only on 2026-01-08

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:18, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F92356

06:00

Denver (DEN)

09:18

San Antonio (SAT) A

Operates only on 2026-01-09

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 2:18, non-stop
Airbus A320 (320)

Direct Flights:

Frontier Airlines F92356

06:00

Denver (DEN)

09:18

San Antonio (SAT) A

Operates only on 2026-01-11

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:18, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F92356

06:05

Denver (DEN)

09:30

San Antonio (SAT) A

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

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun

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

Direct Flights:

Frontier Airlines F92356

07:00

Denver (DEN)

10:22

San Antonio (SAT) A

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

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 2:22, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F92356

08:05

Denver (DEN)

11:21

San Antonio (SAT) A

Valid until 2026-01-04

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:16, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F92356

08:05

Denver (DEN)

11:21

San Antonio (SAT) A

Valid until 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 2:16, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F92356

09:20

Denver (DEN)

12:36

San Antonio (SAT) A

Operates only on 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:16, non-stop
Airbus A321 (321)

Direct Flights:

Frontier Airlines F92356

10:00

Denver (DEN)

13:14

San Antonio (SAT) A

Valid until 2026-01-01

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:14, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F92356

11:42

Denver (DEN)

15:00

San Antonio (SAT) A

Operates only on 2026-01-06

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:18, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F92356

11:42

Denver (DEN)

15:00

San Antonio (SAT) A

Operates only on 2026-01-07

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:18, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F92356

11:42

Denver (DEN)

15:00

San Antonio (SAT) A

Operates only on 2026-01-10

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:18, non-stop
Airbus A321 (321)

Direct Flights:

Frontier Airlines F92356

13:00

Denver (DEN)

16:17

San Antonio (SAT) A

Operates only on 2026-02-10

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:17, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F92356

13:00

Denver (DEN)

16:17

San Antonio (SAT) A

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:17, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F93708

21:00

Denver (DEN)

00:17(+1)

San Antonio (SAT) A

Valid until 2026-01-04

Mon

Tue

Wed

Thu

Fri
-

Sat

Sun

Duration: 2:17, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.

Direct Flights:

Frontier Airlines F93708

21:00

Denver (DEN)

00:17(+1)

San Antonio (SAT) A

Effective 2026-01-02 through 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 2:17, non-stop
Airbus A320neo (32N)
The flight arrives 1 day after departure.

Direct Flights:

Frontier Airlines F93708

21:00

Denver (DEN)

00:17(+1)

San Antonio (SAT) A

Effective 2026-03-06 through 2026-03-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:17, non-stop
Airbus A320neo (32N)
The flight arrives 1 day after departure.

Direct Flights:

Frontier Airlines F93708

21:00

Denver (DEN)

00:17(+1)

San Antonio (SAT) A

Effective 2026-03-13 through 2026-04-13

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:17, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.

A domestic route departing from the Denver airport (DEN) and arriving at San Antonio airport (SAT).
The flight distance is 795 miles, or 1279 km.
The timezone of the departure airport is UTC-7 , and the timezone of the arrival airport is UTC-6 . 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 2:14 and 2:25.

All DEN-SAT flights

All Frontier Airlines flights

Return (SAT-DEN) flights

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