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

FLIGHT SCHEDULE
Direct Flights:
Tue-Fri,Sun 18:45 Denver (DEN) 20:27 San Diego (SAN) 2 Alaska Airlines AS 1428 Non-stop Boeing 737 (73J) 2:42 Effective 2026-02-12 through 2026-03-11
Mon,Sat 18:45 Denver (DEN) 20:27 San Diego (SAN) 2 Alaska Airlines AS 1428 Non-stop Boeing 737 MAX 9 (7M9) 2:42 Effective 2026-02-14 through 2026-03-16
Thu 18:45 Denver (DEN) 20:27 San Diego (SAN) 2 Alaska Airlines AS 1428 Non-stop Boeing 737-800 (73H) 2:42 Operates only on 2026-03-12
Tue,Fri,Sun 18:45 Denver (DEN) 20:27 San Diego (SAN) 2 Alaska Airlines AS 1428 Non-stop Boeing 737 (73J) 2:42 Effective 2026-03-13 through 2026-03-17
Mon-Wed,Fri,Sun 18:48 Denver (DEN) 20:28 San Diego (SAN) 2 Alaska Airlines AS 1428 Non-stop Boeing 737 (73J) 2:40 Valid until 2026-01-06
Thu,Sat 18:48 Denver (DEN) 20:28 San Diego (SAN) 2 Alaska Airlines AS 1428 Non-stop Boeing 737 MAX 9 (7M9) 2:40 Valid until 2026-01-03
Daily 19:04 Denver (DEN) 20:27 San Diego (SAN) 2 Alaska Airlines AS 1428 Non-stop Boeing 737 (73J) 2:23 Effective 2026-03-18 through 2026-04-21
Daily 19:04 Denver (DEN) 20:27 San Diego (SAN) 2 Alaska Airlines AS 1428 Non-stop Boeing 737 (73J) 2:23 Effective from 2026-05-13
Mon,Thu,Fri,Sun 19:39 Denver (DEN) 21:14 San Diego (SAN) 2 Alaska Airlines AS 1428 Non-stop Boeing 737 (73J) 2:35 Effective 2026-01-08 through 2026-02-09
Daily 12:30 Denver (DEN) 13:56 San Diego (SAN) 2 Alaska Airlines AS 1491 Non-stop Boeing 737 (73J) 2:26 Effective 2026-03-18 through 2026-05-12
Daily 12:34 Denver (DEN) 14:13 San Diego (SAN) 2 Alaska Airlines AS 1491 Non-stop Boeing 737 (73J) 2:39 Effective 2026-01-07 through 2026-01-13
Wed 12:34 Denver (DEN) 14:13 San Diego (SAN) 2 Alaska Airlines AS 1491 Non-stop Boeing 737 MAX 9 (7M9) 2:39 Effective 2026-01-14 through 2026-01-28
Mon,Tue,Thu-Sun 12:34 Denver (DEN) 14:13 San Diego (SAN) 2 Alaska Airlines AS 1491 Non-stop Boeing 737 (73J) 2:39 Effective 2026-01-15 through 2026-02-03
Daily 12:34 Denver (DEN) 14:13 San Diego (SAN) 2 Alaska Airlines AS 1491 Non-stop Boeing 737 (73J) 2:39 Effective 2026-02-04 through 2026-02-11
Daily 12:49 Denver (DEN) 14:15 San Diego (SAN) 2 Alaska Airlines AS 1491 Non-stop Boeing 737 (73J) 2:26 Effective from 2026-05-13
Daily 13:10 Denver (DEN) 14:49 San Diego (SAN) 2 Alaska Airlines AS 1491 Non-stop Boeing 737 (73J) 2:39 Effective 2026-02-12 through 2026-03-05
Fri 13:10 Denver (DEN) 14:49 San Diego (SAN) 2 Alaska Airlines AS 1491 Non-stop Boeing 737 MAX 9 (7M9) 2:39 Operates only on 2026-03-06
Daily 13:10 Denver (DEN) 14:49 San Diego (SAN) 2 Alaska Airlines AS 1491 Non-stop Boeing 737 (73J) 2:39 Effective 2026-03-07 through 2026-03-14
Tue,Sun 13:10 Denver (DEN) 14:49 San Diego (SAN) 2 Alaska Airlines AS 1491 Non-stop Boeing 737 MAX 9 (7M9) 2:39 Effective 2026-03-15 through 2026-03-17
Mon 13:10 Denver (DEN) 14:49 San Diego (SAN) 2 Alaska Airlines AS 1491 Non-stop Boeing 737 (73J) 2:39 Operates only on 2026-03-16
Daily 08:20 Denver (DEN) 09:45 San Diego (SAN) 2 Alaska Airlines AS 3012 Non-stop Embraer EMB 175 (E75) 2:25 Effective from 2026-05-13
Mon,Tue,Fri-Sun 06:00 Denver (DEN) 07:51 San Diego (SAN) 2 Alaska Airlines AS 3021 Non-stop Embraer EMB 175 (E75) 2:51 Valid until 2026-01-06
Daily 07:40 Denver (DEN) 09:34 San Diego (SAN) 2 Alaska Airlines AS 3021 Non-stop Embraer EMB 175 (E75) 2:54 Effective 2026-02-12 through 2026-03-17
Daily 08:04 Denver (DEN) 09:50 San Diego (SAN) 2 Alaska Airlines AS 3021 Non-stop Embraer EMB 175 (E75) 2:46 Effective 2026-01-07 through 2026-02-11
Daily 08:20 Denver (DEN) 09:45 San Diego (SAN) 2 Alaska Airlines AS 3021 Non-stop Embraer EMB 175 (E75) 2:25 Effective 2026-03-18 through 2026-04-21
Mon,Tue,Fri-Sun 12:47 Denver (DEN) 14:40 San Diego (SAN) 2 Alaska Airlines AS 3029 Non-stop Embraer EMB 175 (E75) 2:53 Valid until 2026-01-06
Wed,Thu 12:51 Denver (DEN) 14:44 San Diego (SAN) 2 Alaska Airlines AS 3029 Non-stop Embraer EMB 175 (E75) 2:53 Valid until 2026-01-01
Daily 08:20 Denver (DEN) 09:45 San Diego (SAN) 2 Alaska Airlines AS 3308 Non-stop Embraer EMB 175 (E75) 2:25 Effective 2026-04-22 through 2026-05-12
Daily 19:05 Denver (DEN) 20:28 San Diego (SAN) 2 Alaska Airlines AS 3332 Non-stop Embraer EMB 175 (E75) 2:23 Effective 2026-04-22 through 2026-05-12

A domestic route departing from the Denver airport (DEN) and arriving at San Diego airport (SAN).
The flight distance is 851 miles, or 1370 km.
The timezone of the departure airport is UTC-7 , and the timezone of the arrival airport is UTC-8 . 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 2:54.

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FLIGHT SCHEDULE

Direct Flights:

Alaska Airlines AS1428

18:45

Denver (DEN)

20:27

San Diego (SAN) 2

Effective 2026-02-12 through 2026-03-11

Mon
-

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 2:42, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS1428

18:45

Denver (DEN)

20:27

San Diego (SAN) 2

Effective 2026-02-14 through 2026-03-16

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:42, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS1428

18:45

Denver (DEN)

20:27

San Diego (SAN) 2

Operates only on 2026-03-12

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:42, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS1428

18:45

Denver (DEN)

20:27

San Diego (SAN) 2

Effective 2026-03-13 through 2026-03-17

Mon
-

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 2:42, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS1428

18:48

Denver (DEN)

20:28

San Diego (SAN) 2

Valid until 2026-01-06

Mon

Tue

Wed

Thu
-

Fri

Sat
-

Sun

Duration: 2:40, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS1428

18:48

Denver (DEN)

20:28

San Diego (SAN) 2

Valid until 2026-01-03

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat

Sun
-

Duration: 2:40, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS1428

19:04

Denver (DEN)

20:27

San Diego (SAN) 2

Effective 2026-03-18 through 2026-04-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:23, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS1428

19:04

Denver (DEN)

20:27

San Diego (SAN) 2

Effective from 2026-05-13

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:23, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS1428

19:39

Denver (DEN)

21:14

San Diego (SAN) 2

Effective 2026-01-08 through 2026-02-09

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 2:35, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS1491

12:30

Denver (DEN)

13:56

San Diego (SAN) 2

Effective 2026-03-18 through 2026-05-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:26, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS1491

12:34

Denver (DEN)

14:13

San Diego (SAN) 2

Effective 2026-01-07 through 2026-01-13

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:39, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS1491

12:34

Denver (DEN)

14:13

San Diego (SAN) 2

Effective 2026-01-14 through 2026-01-28

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:39, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS1491

12:34

Denver (DEN)

14:13

San Diego (SAN) 2

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

Mon

Tue

Wed
-

Thu

Fri

Sat

Sun

Duration: 2:39, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS1491

12:34

Denver (DEN)

14:13

San Diego (SAN) 2

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:39, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS1491

12:49

Denver (DEN)

14:15

San Diego (SAN) 2

Effective from 2026-05-13

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:26, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS1491

13:10

Denver (DEN)

14:49

San Diego (SAN) 2

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:39, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS1491

13:10

Denver (DEN)

14:49

San Diego (SAN) 2

Operates only on 2026-03-06

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 2:39, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS1491

13:10

Denver (DEN)

14:49

San Diego (SAN) 2

Effective 2026-03-07 through 2026-03-14

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:39, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS1491

13:10

Denver (DEN)

14:49

San Diego (SAN) 2

Effective 2026-03-15 through 2026-03-17

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:39, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS1491

13:10

Denver (DEN)

14:49

San Diego (SAN) 2

Operates only on 2026-03-16

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:39, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS3012

08:20

Denver (DEN)

09:45

San Diego (SAN) 2

Effective from 2026-05-13

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:25, non-stop
Embraer EMB 175 (E75)

Direct Flights:

Alaska Airlines AS3021

06:00

Denver (DEN)

07:51

San Diego (SAN) 2

Valid until 2026-01-06

Mon

Tue

Wed
-

Thu
-

Fri

Sat

Sun

Duration: 2:51, non-stop
Embraer EMB 175 (E75)

Direct Flights:

Alaska Airlines AS3021

07:40

Denver (DEN)

09:34

San Diego (SAN) 2

Effective 2026-02-12 through 2026-03-17

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:54, non-stop
Embraer EMB 175 (E75)

Direct Flights:

Alaska Airlines AS3021

08:04

Denver (DEN)

09:50

San Diego (SAN) 2

Effective 2026-01-07 through 2026-02-11

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:46, non-stop
Embraer EMB 175 (E75)

Direct Flights:

Alaska Airlines AS3021

08:20

Denver (DEN)

09:45

San Diego (SAN) 2

Effective 2026-03-18 through 2026-04-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:25, non-stop
Embraer EMB 175 (E75)

Direct Flights:

Alaska Airlines AS3029

12:47

Denver (DEN)

14:40

San Diego (SAN) 2

Valid until 2026-01-06

Mon

Tue

Wed
-

Thu
-

Fri

Sat

Sun

Duration: 2:53, non-stop
Embraer EMB 175 (E75)

Direct Flights:

Alaska Airlines AS3029

12:51

Denver (DEN)

14:44

San Diego (SAN) 2

Valid until 2026-01-01

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:53, non-stop
Embraer EMB 175 (E75)

Direct Flights:

Alaska Airlines AS3308

08:20

Denver (DEN)

09:45

San Diego (SAN) 2

Effective 2026-04-22 through 2026-05-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:25, non-stop
Embraer EMB 175 (E75)

Direct Flights:

Alaska Airlines AS3332

19:05

Denver (DEN)

20:28

San Diego (SAN) 2

Effective 2026-04-22 through 2026-05-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:23, non-stop
Embraer EMB 175 (E75)

A domestic route departing from the Denver airport (DEN) and arriving at San Diego airport (SAN).
The flight distance is 851 miles, or 1370 km.
The timezone of the departure airport is UTC-7 , and the timezone of the arrival airport is UTC-8 . 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 2:54.

All DEN-SAN flights

All Alaska Airlines flights

Return (SAN-DEN) flights

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