Cheap Flights from San Diego, CA to Denver, CO from $108
On Cheapflightsplus.com you will find 4 direct and 31 connecting flights from San Diego to Denver. You can compare airfare deals from 6 airlines and multiple travel sites from $108, book and save on cheap plane tickets and last minute offers. Also check out SAN-DEN flight schedule to find best flight time, convenient departure and arrival airports.
Find One-Way and Round-Trip San Diego to Denver Flight Deals
Best Flights from San Diego to Denver Today
Price | Departure | Arrival | Flight Duration | Airline | Flight |
---|---|---|---|---|---|
from $108 | 06:45 San Diego San Diego | 10:13 Denver Denver International | 2h 28m | United Airlines | UA2270 |
from $108 | 08:45 San Diego San Diego | 12:13 Denver Denver International | 2h 28m | United Airlines | UA2476 |
from $108 | 19:01 San Diego San Diego | 22:29 Denver Denver International | 2h 28m | United Airlines | UA519 |
from $136 | 12:45 San Diego San Diego | 16:13 Denver Denver International | 2h 28m | United Airlines | UA1220 |
from $160 | 13:50 San Diego San Diego | 22:39 Denver Denver International | 7h 49m layover 3h 35m - San Francisco | United Airlines | UA1763 UA1230 |
from $160 | 10:43 San Diego San Diego | 19:33 Denver Denver International | 7h 50m layover 3h 30m - San Francisco | United Airlines | UA2855 UA566 |
from $161 | 17:50 San Diego San Diego | 00:48+1 день Denver Denver International | 5h 58m layover 1h 47m - San Francisco | United Airlines | UA1871 UA1317 |
from $169 | 21:30 San Diego San Diego | 10:15+1 день Denver Denver International | 11h 45m layover 8h 18m - Phoenix | Frontier Airlines | F91572 F91376 |
from $174 | 16:00 San Diego San Diego | 00:48+1 день Denver Denver International | 7h 48m layover 3h 37m - San Francisco | United Airlines | UA2117 UA1317 |
from $179 | 15:35 San Diego San Diego | 23:59 Denver Denver International | 7h 24m layover 1h 46m - Seattle | Alaska Airlines | AS1135 AS642 |
from $205 | 09:45 San Diego San Diego | 18:13 Denver Denver International | 7h 28m layover 3h 7m - San Francisco | United Airlines | UA305 UA1702 |
from $259 | 06:20 San Diego San Diego | 15:00 Denver Denver International | 7h 40m layover 3h 19m - San Francisco | United Airlines | UA1986 UA1374 |
from $264 | 19:01 San Diego San Diego | 04:00+1 день Denver Denver International | 7h 59m layover 4h 33m - Las Vegas | Spirit Airlines | NK1997 F91994 |
from $264 | 19:01 San Diego San Diego | 15:05+1 день Denver Denver International | 19h 4m layover 15h 26m - Las Vegas | Spirit Airlines | NK1997 F92016 |
from $273 | 09:45 San Diego San Diego | 16:36 Denver Denver International | 5h 51m layover 1h 32m - San Francisco | United Airlines | UA305 UA1333 |
from $252 | 19:01 San Diego San Diego | 08:27+1 день Denver Denver International | 12h 26m layover 4h 33m - Las Vegas 1h 21m - Dallas | Spirit Airlines | NK1997 F91650 F92147 |
Flight Schedule San Diego (California) to Denver (Colorado)
Departure | Arrival | Flight Details | Flight Duration | Price |
---|---|---|---|---|
06:45 — 10:13
|
06:45 — 10:13
UA2270
United Airlines
San Diego — Denver
|
2h 28m |
Find flight
from$108 |
|
08:45 — 12:13
|
08:45 — 12:13
UA2476
United Airlines
San Diego — Denver
|
2h 28m |
Find flight
from$108 |
|
12:45 — 16:13
|
12:45 — 16:13
UA1220
United Airlines
San Diego — Denver
|
2h 28m |
Find flight
from$136 |
|
19:01 — 22:29
|
19:01 — 22:29
UA519
United Airlines
San Diego — Denver
|
2h 28m |
Find flight
from$108 |
|
06:20 — 15:00
|
06:20 — 07:58
UA1986
United Airlines
San Diego — San Francisco
3h 19m stop
11:17 — 15:00
UA1374
United Airlines
San Francisco — Denver
|
7h 40m including layover |
Find flight
from$259 |
|
08:00 — 15:00
|
07:50 — 09:27
UA2863
United Airlines
San Diego — San Francisco
1h 39m stop
11:17 — 15:00
UA1374
United Airlines
San Francisco — Denver
|
6h including layover |
Find flight
from$275 |
|
09:45 — 18:13
|
09:42 — 11:20
UA305
United Airlines
San Diego — San Francisco
3h 7m stop
14:27 — 18:10
UA1702
United Airlines
San Francisco — Denver
|
7h 28m including layover |
Find flight
from$205 |
|
09:45 — 16:36
|
09:42 — 11:20
UA305
United Airlines
San Diego — San Francisco
1h 32m stop
12:55 — 16:36
UA1333
United Airlines
San Francisco — Denver
|
5h 51m including layover |
Find flight
from$273 |
|
10:15 — 19:59
|
10:15 — 15:39
UA2140
United Airlines
San Diego — Houston
2h 26m stop
18:05 — 19:59
UA1654
United Airlines
Houston — Denver
|
8h 44m including layover |
Find flight
from$408 |
|
10:43 — 19:33
|
10:43 — 12:20
UA2855
United Airlines
San Diego — San Francisco
3h 30m stop
15:50 — 19:33
UA566
United Airlines
San Francisco — Denver
|
7h 50m including layover |
Find flight
from$160 |
|
11:58 — 22:29
|
11:58 — 17:22
UA2237
United Airlines
San Diego — Houston
3h 13m stop
20:35 — 22:29
UA2215
United Airlines
Houston — Denver
|
9h 31m including layover |
Find flight
from$408 |
|
13:50 — 22:39
|
13:30 — 15:08
UA1763
United Airlines
San Diego — San Francisco
3h 35m stop
19:05 — 22:41
UA1230
United Airlines
San Francisco — Denver
|
7h 49m including layover |
Find flight
from$160 |
|
15:25 — 23:38
|
15:25 — 20:45
UA1179
United Airlines
San Diego — Houston
1h 12m stop
22:05 — 23:46
UA1338
United Airlines
Houston — Denver
|
7h 13m including layover |
Find flight
from$274 |
|
15:35 — 23:59
|
15:35 — 18:31
AS1135
Alaska Airlines
San Diego — Seattle
1h 46m stop
20:17 — 23:59
AS642
Alaska Airlines
Seattle — Denver
|
7h 24m including layover |
Find flight
from$179 |
|
16:00 — 00:48
+1 day
|
16:00 — 17:38
UA2117
United Airlines
San Diego — San Francisco
3h 37m stop
21:15 — 00:48
UA1317
United Airlines
San Francisco — Denver
|
7h 48m including layover |
Find flight
from$174 |
|
17:50 — 00:48
+1 day
|
17:50 — 19:28
UA1871
United Airlines
San Diego — San Francisco
1h 47m stop
21:15 — 00:48
UA1317
United Airlines
San Francisco — Denver
|
5h 58m including layover |
Find flight
from$161 |
|
20:45 — 21:47
+1 day
|
20:45 — 23:44
HA6533
Hawaiian Airlines
San Diego — Seattle
18h 8m stop
17:59 — 21:47
HA6654
Hawaiian Airlines
Seattle — Denver
|
24h 2m including layover |
Find flight
from$349 |
|
21:30 — 10:15
+1 day
|
21:30 — 23:00
F91572
Frontier Airlines
San Diego — Phoenix
8h 18m stop
07:18 — 10:15
F91376
Frontier Airlines
Phoenix — Denver
|
11h 45m including layover |
Find flight
from$169 |
|
22:20 — 08:58
+1 day
|
22:20 — 04:30
UA1726
United Airlines
San Diego — Chicago
2h 40m stop
07:10 — 08:58
UA791
United Airlines
Chicago — Denver
|
9h 38m including layover |
Find flight
from$733 |
|
12:02 — 17:01
+1 day
|
12:02 — 19:27
NK2103
Spirit Airlines
San Diego — Detroit
1h 18m stop
20:45 — 21:28
NK2104
Spirit Airlines
Detroit — Minneapolis
18h 26m stop
15:54 — 17:01
SY1609
Sun Country Airlines
Minneapolis — Denver
|
27h 59m including layover |
Find flight
from$507 |
|
13:17 — 17:01
+1 day
|
13:17 — 14:45
NK2565
Spirit Airlines
San Diego — Las Vegas
9h 10m stop
23:55 — 05:02
SY778
Sun Country Airlines
Las Vegas — Minneapolis
10h 52m stop
15:54 — 17:01
SY1609
Sun Country Airlines
Minneapolis — Denver
|
26h 44m including layover |
Find flight
from$570 |
|
19:01 — 08:27
+1 day
|
19:01 — 20:26
NK1997
Spirit Airlines
San Diego — Las Vegas
4h 33m stop
00:59 — 05:54
F91650
Frontier Airlines
Las Vegas — Dallas
1h 21m stop
07:15 — 08:27
F92147
Frontier Airlines
Dallas — Denver
|
12h 26m including layover |
Find flight
from$252 |
|
21:30 — 15:05
+1 day
|
21:30 — 23:00
F91572
Frontier Airlines
San Diego — Phoenix
8h stop
07:00 — 08:16
F93983
Frontier Airlines
Phoenix — Las Vegas
3h 36m stop
11:52 — 15:05
F92016
Frontier Airlines
Las Vegas — Denver
|
16h 35m including layover |
Find flight
from$315 |
|
22:30 — 18:24
+1 day
|
22:30 — 05:51
AM4444
Aeromexico
San Diego — Atlanta
4h 4m stop
09:55 — 11:30
AM5229
Aeromexico
Atlanta — Cancun
3h 35m stop
15:05 — 18:24
F971
Frontier Airlines
Cancun — Denver
|
18h 54m including layover |
Find flight
from$642 |
Flight Information
Below we will explain in detail what the flights cost on the destination from San Diego to Denver depends on and how to choose the most interesting flight option for you.
Distance between San Diego and Denver is 1371 miles. Time difference between the cities is 1h. Airplanes depart 06:15 to 22:30 from 11 San Diego airport and arrive 06:15 to 22:30 to 2 Denver airports. Average flight time is 2h 28m.
- The fastest flight 2h 28m
- Average flight time 2h 28m
- The earliest flight 06:15
- The latest flight 22:30
- Distance 852 ml
The cheapest months to travel to Denver are september (from 108 $), october (from 112 $), august (from 114 $).
The most expensive months are may (from 169 $), february (from 168 $), june (from 152 $).
What is the lowest airfare San Diego to Denver?
The cheapest plane ticket found by our users is $108. This airfare is for economy class on one-way UA2270 flight by United Airlines for September 27, 2025 which leaves San Diego in San Diego at 06:45 am and arrives at Denver Denver International at 10:13.
Popular Airlines on the Route
The flight San Diego — Denver is served by 6 regular airlines and 2 low-cost airlines. Most of the flights on this route are operated by Frontier Airlines - 2 departures per week at the price of from $ 169 . And the most expensive tickets are offered by United Airlines airline - from $ 1473.
Direct flights
There are 4 nonstop flights on the route. The fastest direct flight is UA2270 by United Airlines takes 2h 28m and the cheapest is UA2270 by United Airlines for $108.
- from $108Find
Connecting Flights
There are 31 flights with layovers on the route. The fastest connecting flight is UA305 by United Airlines takes 5h 51m and the cheapest is UA2270 by United Airlines for $160.
- from $169Find
- from $160Find
- AS - Alaska Airlinesfrom $179Find
- HA - Hawaiian Airlinesfrom $349Find
- AM - Aeromexicofrom $642Find
- NK - Spirit Airlinesfrom $252Find
Airports
You can fly from San Diego to Denver from 11 airports (San Diego, San Diego Regional, Gillespie Field, Golden Triangle Reg., El Cajon, Lowndes County, Miramar NAS, Montgomery Field, North Island NAS, Brown Field Municipal, AFB).
San Diego airports
- San Diego-SANfrom $108Find
- San Diego Regional-USAFind
- Gillespie Field-SEEFind
- Golden Triangle Reg.-GTRFind
- El Cajon-CJNFind
- Lowndes County-UBSFind
- Miramar NAS-NKXFind
- Montgomery Field-MYFFind
- North Island NAS-NZYFind
- Brown Field Municipal-SDMFind
- AFB-CBMFind
Denver airports
- Denver International-DENFind
- Arapahoe Co-APAFind
Airplanes
There are flights to Denver from San Diego by 6 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.
Top Domestic Destinations from San Diego
You may also consider searching for discounted plane tickets to some other popular places from San Diego within United States.
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Top International Destinations from San Diego
Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.
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How to book a plane ticket yourself?

- Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
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