Frontier Airlines flights from San Diego (SAN) to Denver (DEN).

FLIGHT SCHEDULE
Direct Flights:
Wed,Thu 06:25 San Diego (SAN) 1 10:03 Denver (DEN) Frontier Airlines F9 2818 Non-stop Airbus A321neo (32Q) 2:38 Valid until 2026-01-01
Tue,Fri-Sun 06:25 San Diego (SAN) 1 10:03 Denver (DEN) Frontier Airlines F9 2818 Non-stop Airbus A320neo (32N) 2:38 Valid until 2026-01-04
Mon 06:25 San Diego (SAN) 1 10:03 Denver (DEN) Frontier Airlines F9 2818 Non-stop Airbus A320 (320) 2:38 Valid until 2026-01-05
Mon,Thu,Fri,Sun 06:25 San Diego (SAN) 1 10:00 Denver (DEN) Frontier Airlines F9 2818 Non-stop Airbus A320neo (32N) 2:35 Effective 2026-01-15 through 2026-01-19
Mon,Thu,Sat 06:25 San Diego (SAN) 1 10:00 Denver (DEN) Frontier Airlines F9 2818 Non-stop Airbus A320neo (32N) 2:35 Effective 2026-02-12 through 2026-02-28
Fri,Sun 06:25 San Diego (SAN) 1 10:00 Denver (DEN) Frontier Airlines F9 2818 Non-stop Airbus A321neo (32Q) 2:35 Effective 2026-02-13 through 2026-02-27
Mon,Thu-Sun 06:25 San Diego (SAN) 1 10:00 Denver (DEN) Frontier Airlines F9 2818 Non-stop Airbus A320neo (32N) 2:35 Effective 2026-03-01 through 2026-03-07
Daily 06:25 San Diego (SAN) 1 10:00 Denver (DEN) Frontier Airlines F9 2818 Non-stop Airbus A320neo (32N) 2:35 Effective 2026-03-08 through 2026-03-31
Daily 06:25 San Diego (SAN) 1 10:03 Denver (DEN) Frontier Airlines F9 2818 Non-stop Airbus A321 (321) 2:38 Effective 2026-04-01 through 2026-04-13
Mon,Thu,Fri,Sun 06:30 San Diego (SAN) 1 10:05 Denver (DEN) Frontier Airlines F9 2818 Non-stop Airbus A321neo (32Q) 2:35 Effective 2026-01-22 through 2026-02-09
Thu,Sun 06:36 San Diego (SAN) 1 10:14 Denver (DEN) Frontier Airlines F9 2818 Non-stop Airbus A320 (320) 2:38 Effective 2026-01-08 through 2026-01-11
Fri 06:36 San Diego (SAN) 1 10:14 Denver (DEN) Frontier Airlines F9 2818 Non-stop Airbus A321neo (32Q) 2:38 Operates only on 2026-01-09
Mon 06:36 San Diego (SAN) 1 10:14 Denver (DEN) Frontier Airlines F9 2818 Non-stop Airbus A320neo (32N) 2:38 Operates only on 2026-01-12
Tue 07:00 San Diego (SAN) 1 10:36 Denver (DEN) Frontier Airlines F9 2818 Non-stop Airbus A320neo (32N) 2:36 Operates only on 2026-01-06
Wed,Sat 07:00 San Diego (SAN) 1 10:36 Denver (DEN) Frontier Airlines F9 2818 Non-stop Airbus A320 (320) 2:36 Effective 2026-01-07 through 2026-01-10
Tue,Wed 07:00 San Diego (SAN) 1 10:31 Denver (DEN) Frontier Airlines F9 2818 Non-stop Airbus A320neo (32N) 2:31 Effective 2026-01-20 through 2026-01-21
Tue 07:00 San Diego (SAN) 1 10:31 Denver (DEN) Frontier Airlines F9 2818 Non-stop Airbus A321neo (32Q) 2:31 Effective 2026-01-27 through 2026-02-03
Wed 07:00 San Diego (SAN) 1 10:31 Denver (DEN) Frontier Airlines F9 2818 Non-stop Airbus A320neo (32N) 2:31 Effective 2026-01-28 through 2026-02-04
Tue 07:10 San Diego (SAN) 1 10:41 Denver (DEN) Frontier Airlines F9 2818 Non-stop Airbus A320 (320) 2:31 Operates only on 2026-01-13
Wed,Sat 07:10 San Diego (SAN) 1 10:41 Denver (DEN) Frontier Airlines F9 2818 Non-stop Airbus A320neo (32N) 2:31 Effective 2026-01-14 through 2026-01-17
Tue 07:11 San Diego (SAN) 1 10:42 Denver (DEN) Frontier Airlines F9 2818 Non-stop Airbus A320neo (32N) 2:31 Effective 2026-02-10 through 2026-03-03
Wed 07:11 San Diego (SAN) 1 10:42 Denver (DEN) Frontier Airlines F9 2818 Non-stop Airbus A321neo (32Q) 2:31 Effective 2026-02-11 through 2026-03-04
Mon 08:25 San Diego (SAN) 1 11:59 Denver (DEN) Frontier Airlines F9 4928 Non-stop Airbus A320neo (32N) 2:34 Operates only on 2026-02-16
Fri 08:35 San Diego (SAN) 1 12:09 Denver (DEN) Frontier Airlines F9 4928 Non-stop Airbus A320neo (32N) 2:34 Effective 2026-02-13 through 2026-02-27
Mon,Fri 09:00 San Diego (SAN) 1 12:33 Denver (DEN) Frontier Airlines F9 4928 Non-stop Airbus A321neo (32Q) 2:33 Effective 2026-03-06 through 2026-03-30
Sun 09:09 San Diego (SAN) 1 12:42 Denver (DEN) Frontier Airlines F9 4928 Non-stop Airbus A320neo (32N) 2:33 Effective 2026-02-15 through 2026-03-01
Sat 10:34 San Diego (SAN) 1 14:05 Denver (DEN) Frontier Airlines F9 4928 Non-stop Airbus A320neo (32N) 2:31 Effective 2026-01-24 through 2026-02-07
Mon 11:30 San Diego (SAN) 1 14:59 Denver (DEN) Frontier Airlines F9 4928 Non-stop Airbus A320neo (32N) 2:29 Effective 2026-02-23 through 2026-03-02
Thu 11:47 San Diego (SAN) 1 15:23 Denver (DEN) Frontier Airlines F9 4928 Non-stop Airbus A321 (321) 2:36 Operates only on 2026-01-08
Sun 11:47 San Diego (SAN) 1 15:23 Denver (DEN) Frontier Airlines F9 4928 Non-stop Airbus A321neo (32Q) 2:36 Operates only on 2026-01-11
Thu 11:49 San Diego (SAN) 1 15:18 Denver (DEN) Frontier Airlines F9 4928 Non-stop Airbus A321neo (32Q) 2:29 Effective 2026-01-22 through 2026-02-05
Mon 11:49 San Diego (SAN) 1 15:18 Denver (DEN) Frontier Airlines F9 4928 Non-stop Airbus A320neo (32N) 2:29 Effective 2026-01-26 through 2026-02-09
Thu 11:50 San Diego (SAN) 1 15:19 Denver (DEN) Frontier Airlines F9 4928 Non-stop Airbus A320neo (32N) 2:29 Operates only on 2026-01-15
Sun 11:50 San Diego (SAN) 1 15:19 Denver (DEN) Frontier Airlines F9 4928 Non-stop Airbus A321neo (32Q) 2:29 Operates only on 2026-01-18
Thu 11:59 San Diego (SAN) 1 15:28 Denver (DEN) Frontier Airlines F9 4928 Non-stop Airbus A320neo (32N) 2:29 Effective 2026-02-12 through 2026-03-05
Tue,Wed,Sat 12:00 San Diego (SAN) 1 15:33 Denver (DEN) Frontier Airlines F9 4928 Non-stop Airbus A320neo (32N) 2:33 Effective 2026-01-13 through 2026-01-17
Sat 12:23 San Diego (SAN) 1 15:56 Denver (DEN) Frontier Airlines F9 4928 Non-stop Airbus A320neo (32N) 2:33 Effective 2026-02-14 through 2026-02-28
Tue,Wed 12:30 San Diego (SAN) 1 16:03 Denver (DEN) Frontier Airlines F9 4928 Non-stop Airbus A321 (321) 2:33 Effective 2026-03-10 through 2026-03-31
Wed 15:29 San Diego (SAN) 1 19:03 Denver (DEN) Frontier Airlines F9 4928 Non-stop Airbus A321 (321) 2:34 Operates only on 2026-01-07
Sat 15:29 San Diego (SAN) 1 19:03 Denver (DEN) Frontier Airlines F9 4928 Non-stop Airbus A321neo (32Q) 2:34 Operates only on 2026-01-10
Daily 16:47 San Diego (SAN) 1 20:20 Denver (DEN) Frontier Airlines F9 4928 Non-stop Airbus A321neo (32Q) 2:33 Valid until 2026-01-05
Daily 16:47 San Diego (SAN) 1 20:20 Denver (DEN) Frontier Airlines F9 4928 Non-stop Airbus A320neo (32N) 2:33 Effective 2026-04-01 through 2026-04-13
Tue 15:29 San Diego (SAN) 1 19:03 Denver (DEN) Frontier Airlines F9 4990 Non-stop Airbus A321neo (32Q) 2:34 Operates only on 2026-01-06
Mon,Fri 16:47 San Diego (SAN) 1 20:20 Denver (DEN) Frontier Airlines F9 4990 Non-stop Airbus A321neo (32Q) 2:33 Effective 2026-01-09 through 2026-01-12
Mon,Fri 16:56 San Diego (SAN) 1 20:25 Denver (DEN) Frontier Airlines F9 4990 Non-stop Airbus A321neo (32Q) 2:29 Effective 2026-01-16 through 2026-01-19
Fri,Sun 20:16 San Diego (SAN) 1 23:53 Denver (DEN) Frontier Airlines F9 4990 Non-stop Airbus A320neo (32N) 2:37 Effective 2026-01-23 through 2026-01-25
Fri 20:16 San Diego (SAN) 1 23:53 Denver (DEN) Frontier Airlines F9 4990 Non-stop Airbus A321neo (32Q) 2:37 Operates only on 2026-01-30
Fri,Sun 20:16 San Diego (SAN) 1 23:53 Denver (DEN) Frontier Airlines F9 4990 Non-stop Airbus A320neo (32N) 2:37 Effective 2026-02-01 through 2026-02-08
Mon,Thu-Sun 21:28 San Diego (SAN) 1 00:57 Denver (DEN) Frontier Airlines F9 4990 Non-stop Airbus A320neo (32N) 2:29 Effective 2026-03-06 through 2026-03-30 The flight arrives 1 day after departure.

A domestic route departing from the San Diego airport (SAN) and arriving at Denver airport (DEN).
The flight distance is 851 miles, or 1370 km.
The timezone of the departure airport is UTC-8 , 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 2:29 and 2:38.

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FLIGHT SCHEDULE

Direct Flights:

Frontier Airlines F92818

06:25

San Diego (SAN) 1

10:03

Denver (DEN)

Valid until 2026-01-01

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:38, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F92818

06:25

San Diego (SAN) 1

10:03

Denver (DEN)

Valid until 2026-01-04

Mon
-

Tue

Wed
-

Thu
-

Fri

Sat

Sun

Duration: 2:38, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F92818

06:25

San Diego (SAN) 1

10:03

Denver (DEN)

Valid until 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:38, non-stop
Airbus A320 (320)

Direct Flights:

Frontier Airlines F92818

06:25

San Diego (SAN) 1

10:00

Denver (DEN)

Effective 2026-01-15 through 2026-01-19

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 2:35, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F92818

06:25

San Diego (SAN) 1

10:00

Denver (DEN)

Effective 2026-02-12 through 2026-02-28

Mon

Tue
-

Wed
-

Thu

Fri
-

Sat

Sun
-

Duration: 2:35, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F92818

06:25

San Diego (SAN) 1

10:00

Denver (DEN)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 2:35, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F92818

06:25

San Diego (SAN) 1

10:00

Denver (DEN)

Effective 2026-03-01 through 2026-03-07

Mon

Tue
-

Wed
-

Thu

Fri

Sat

Sun

Duration: 2:35, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F92818

06:25

San Diego (SAN) 1

10:00

Denver (DEN)

Effective 2026-03-08 through 2026-03-31

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:35, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F92818

06:25

San Diego (SAN) 1

10:03

Denver (DEN)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:38, non-stop
Airbus A321 (321)

Direct Flights:

Frontier Airlines F92818

06:30

San Diego (SAN) 1

10:05

Denver (DEN)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 2:35, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F92818

06:36

San Diego (SAN) 1

10:14

Denver (DEN)

Effective 2026-01-08 through 2026-01-11

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun

Duration: 2:38, non-stop
Airbus A320 (320)

Direct Flights:

Frontier Airlines F92818

06:36

San Diego (SAN) 1

10:14

Denver (DEN)

Operates only on 2026-01-09

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 2:38, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F92818

06:36

San Diego (SAN) 1

10:14

Denver (DEN)

Operates only on 2026-01-12

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:38, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F92818

07:00

San Diego (SAN) 1

10:36

Denver (DEN)

Operates only on 2026-01-06

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:36, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F92818

07:00

San Diego (SAN) 1

10:36

Denver (DEN)

Effective 2026-01-07 through 2026-01-10

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:36, non-stop
Airbus A320 (320)

Direct Flights:

Frontier Airlines F92818

07:00

San Diego (SAN) 1

10:31

Denver (DEN)

Effective 2026-01-20 through 2026-01-21

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:31, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F92818

07:00

San Diego (SAN) 1

10:31

Denver (DEN)

Effective 2026-01-27 through 2026-02-03

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:31, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F92818

07:00

San Diego (SAN) 1

10:31

Denver (DEN)

Effective 2026-01-28 through 2026-02-04

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:31, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F92818

07:10

San Diego (SAN) 1

10:41

Denver (DEN)

Operates only on 2026-01-13

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:31, non-stop
Airbus A320 (320)

Direct Flights:

Frontier Airlines F92818

07:10

San Diego (SAN) 1

10:41

Denver (DEN)

Effective 2026-01-14 through 2026-01-17

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:31, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F92818

07:11

San Diego (SAN) 1

10:42

Denver (DEN)

Effective 2026-02-10 through 2026-03-03

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:31, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F92818

07:11

San Diego (SAN) 1

10:42

Denver (DEN)

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

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:31, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F94928

08:25

San Diego (SAN) 1

11:59

Denver (DEN)

Operates only on 2026-02-16

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:34, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F94928

08:35

San Diego (SAN) 1

12:09

Denver (DEN)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 2:34, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F94928

09:00

San Diego (SAN) 1

12:33

Denver (DEN)

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

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 2:33, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F94928

09:09

San Diego (SAN) 1

12:42

Denver (DEN)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:33, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F94928

10:34

San Diego (SAN) 1

14:05

Denver (DEN)

Effective 2026-01-24 through 2026-02-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:31, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F94928

11:30

San Diego (SAN) 1

14:59

Denver (DEN)

Effective 2026-02-23 through 2026-03-02

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:29, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F94928

11:47

San Diego (SAN) 1

15:23

Denver (DEN)

Operates only on 2026-01-08

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:36, non-stop
Airbus A321 (321)

Direct Flights:

Frontier Airlines F94928

11:47

San Diego (SAN) 1

15:23

Denver (DEN)

Operates only on 2026-01-11

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:36, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F94928

11:49

San Diego (SAN) 1

15:18

Denver (DEN)

Effective 2026-01-22 through 2026-02-05

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:29, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F94928

11:49

San Diego (SAN) 1

15:18

Denver (DEN)

Effective 2026-01-26 through 2026-02-09

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:29, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F94928

11:50

San Diego (SAN) 1

15:19

Denver (DEN)

Operates only on 2026-01-15

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:29, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F94928

11:50

San Diego (SAN) 1

15:19

Denver (DEN)

Operates only on 2026-01-18

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:29, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F94928

11:59

San Diego (SAN) 1

15:28

Denver (DEN)

Effective 2026-02-12 through 2026-03-05

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:29, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F94928

12:00

San Diego (SAN) 1

15:33

Denver (DEN)

Effective 2026-01-13 through 2026-01-17

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:33, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F94928

12:23

San Diego (SAN) 1

15:56

Denver (DEN)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:33, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F94928

12:30

San Diego (SAN) 1

16:03

Denver (DEN)

Effective 2026-03-10 through 2026-03-31

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:33, non-stop
Airbus A321 (321)

Direct Flights:

Frontier Airlines F94928

15:29

San Diego (SAN) 1

19:03

Denver (DEN)

Operates only on 2026-01-07

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:34, non-stop
Airbus A321 (321)

Direct Flights:

Frontier Airlines F94928

15:29

San Diego (SAN) 1

19:03

Denver (DEN)

Operates only on 2026-01-10

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:34, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F94928

16:47

San Diego (SAN) 1

20:20

Denver (DEN)

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:33, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F94928

16:47

San Diego (SAN) 1

20:20

Denver (DEN)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:33, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F94990

15:29

San Diego (SAN) 1

19:03

Denver (DEN)

Operates only on 2026-01-06

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:34, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F94990

16:47

San Diego (SAN) 1

20:20

Denver (DEN)

Effective 2026-01-09 through 2026-01-12

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 2:33, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F94990

16:56

San Diego (SAN) 1

20:25

Denver (DEN)

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

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 2:29, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F94990

20:16

San Diego (SAN) 1

23:53

Denver (DEN)

Effective 2026-01-23 through 2026-01-25

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 2:37, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F94990

20:16

San Diego (SAN) 1

23:53

Denver (DEN)

Operates only on 2026-01-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 2:37, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F94990

20:16

San Diego (SAN) 1

23:53

Denver (DEN)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 2:37, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F94990

21:28

San Diego (SAN) 1

00:57(+1)

Denver (DEN)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat

Sun

Duration: 2:29, non-stop
Airbus A320neo (32N)
The flight arrives 1 day after departure.

A domestic route departing from the San Diego airport (SAN) and arriving at Denver airport (DEN).
The flight distance is 851 miles, or 1370 km.
The timezone of the departure airport is UTC-8 , 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 2:29 and 2:38.

All SAN-DEN flights

All Frontier Airlines flights

Return (DEN-SAN) flights

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