United Airlines San Diego to Denver Flights

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Cheapflightsplus.com will find cheap United Airlines flights from San Diego to Denver. Compare airline ticket prices and book air tickets starting from $83 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of United Airlines, arrivals and departure details below.

Find Cheap Airfare San Diego (CA) — Denver (CO) by United Airlines

To find cheap tickets choose a day of your departure with attractive price on the graph below and click «Find flights». For round trip flights please click «Check prices for return flight». The cheapest airfare is in july: one-way - $83, two-way – $142.

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Cheap Flights from San Diego to Denver by United Airlines

Look at the list of plane tickets for the most popular direct and connecting flights by United Airlines, their prices start from $83. The fastest nonstop flight takes 2h 26m. The fastest connecting flight — 4h 15m.

Price	Departure	Arrival	Flight Time	Airline	Flight
from $83 Find flight	6:45 am San Diego San Diego	10:13 am Denver Denver International	2h 28m	United Airlines	UA2270
from $83 Find flight	9:02 am San Diego San Diego	12:30 pm Denver Denver International	2h 28m	United Airlines	UA2476
from $83 Find flight	6:32 pm San Diego San Diego	10:00 pm Denver Denver International	2h 28m	United Airlines	UA519
from $91 Find flight	11:17 am San Diego San Diego	2:45 pm Denver Denver International	2h 28m	United Airlines	UA1337
from $91 Find flight	12:52 pm San Diego San Diego	4:20 pm Denver Denver International	2h 28m	United Airlines	UA1483
from $105 Find flight	12:45 pm San Diego San Diego	4:13 pm Denver Denver International	2h 28m	United Airlines	UA1220
from $270 Find flight	4:14 pm San Diego San Diego	7:40 pm Denver Denver International	2h 26m	United Airlines	UA682
from $94 Find flight	4:11 pm San Diego San Diego	10:17 pm Denver Denver International	5h 6m layover 0h 52m - San Francisco	United Airlines	UA2117 UA1745
from $94 Find flight	6:15 am San Diego San Diego	12:15 pm Denver Denver International	5h 0m layover 0h 39m - San Francisco	United Airlines	UA499 UA2348
from $94 Find flight	11:08 am San Diego San Diego	6:06 pm Denver Denver International	5h 58m layover 2h 19m - Los Angeles	United Airlines	UA5249 UA2859
from $94 Find flight	1:58 pm San Diego San Diego	8:08 pm Denver Denver International	5h 10m layover 0h 53m - San Francisco	United Airlines	UA1763 UA2464
from $94 Find flight	8:00 am San Diego San Diego	2:56 pm Denver Denver International	5h 56m layover 1h 34m - San Francisco	United Airlines	UA2863 UA2076
from $102 Find flight	6:15 am San Diego San Diego	12:26 pm Denver Denver International	5h 11m layover 1h 32m - Los Angeles	United Airlines	UA4723 UA1912
from $102 Find flight	1:58 pm San Diego San Diego	10:17 pm Denver Denver International	7h 19m layover 3h 5m - San Francisco	United Airlines	UA1763 UA1745
from $118 Find flight	5:56 pm San Diego San Diego	0:28 am+1 день Denver Denver International	5h 32m layover 1h 17m - San Francisco	United Airlines	UA1871 UA1871
from $172 Find flight	10:43 am San Diego San Diego	10:39 pm Denver Denver International	10h 56m layover 6h 43m - San Francisco	United Airlines	UA2855 UA1230

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*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 06/23/2025

United Airlines Flight Schedule San Diego to Denver

Below is a detailed 2025 flight schedule for today, tomorrow and all other days. It may vary depending on season and a day of the week of your desired trip. We recommend booking your itinerary at least 2 weeks prior your travel to get the best price and availability by the airline.

Departure	Flight Details	Flight Time	Price
11:17 am — 2:45 pm	11:17 am — 2:45 pm UA1337 United Airlines San Diego — Denver	2h 28m	Find flight from$91
12:45 pm — 4:13 pm	12:45 pm — 4:13 pm UA1220 United Airlines San Diego — Denver	2h 28m	Find flight from$105
12:52 pm — 4:20 pm	12:52 pm — 4:20 pm UA1483 United Airlines San Diego — Denver	2h 28m	Find flight from$91
4:14 pm — 7:40 pm	4:14 pm — 7:40 pm UA682 United Airlines San Diego — Denver	2h 26m	Find flight from$270
6:32 pm — 10:00 pm	6:32 pm — 10:00 pm UA519 United Airlines San Diego — Denver	2h 28m	Find flight from$83
6:45 am — 10:13 am	6:45 am — 10:13 am UA2270 United Airlines San Diego — Denver	2h 28m	Find flight from$83
8:45 am — 12:13 pm	8:45 am — 12:13 pm UA347 United Airlines San Diego — Denver	2h 28m	Find flight from$108
9:02 am — 12:30 pm	9:02 am — 12:30 pm UA2476 United Airlines San Diego — Denver	2h 28m	Find flight from$83
10:38 am — 6:14 pm	10:38 am — 12:20 pm UA2855 United Airlines San Diego — San Francisco 2h 14m stop 2:34 pm — 6:14 pm UA1596 United Airlines San Francisco — Denver	6h 36m including layover	Find flight from$94
10:54 am — 4:09 pm	10:54 am — 12:05 pm UA5249 United Airlines San Diego — Los Angeles 38m stop 12:57 pm — 4:25 pm UA311 United Airlines Los Angeles — Denver	4h 15m including layover	Find flight from$122
11:08 am — 6:06 pm	11:08 am — 12:20 pm UA5249 United Airlines San Diego — Los Angeles 2h 19m stop 2:39 pm — 6:06 pm UA2859 United Airlines Los Angeles — Denver	5h 58m including layover	Find flight from$94
1:58 pm — 8:08 pm	1:58 pm — 3:35 pm UA1763 United Airlines San Diego — San Francisco 53m stop 4:28 pm — 8:08 pm UA2464 United Airlines San Francisco — Denver	5h 10m including layover	Find flight from$94
1:58 pm — 10:17 pm	1:58 pm — 3:35 pm UA1763 United Airlines San Diego — San Francisco 3h 5m stop 6:42 pm — 10:18 pm UA1745 United Airlines San Francisco — Denver	7h 19m including layover	Find flight from$102
2:21 pm — 8:47 pm	2:21 pm — 3:35 pm UA5647 United Airlines San Diego — Los Angeles 1h 45m stop 5:20 pm — 8:47 pm UA2267 United Airlines Los Angeles — Denver	5h 26m including layover	Find flight from$122
2:21 pm — 7:40 pm	2:21 pm — 3:35 pm UA5647 United Airlines San Diego — Los Angeles 38m stop 4:13 pm — 7:40 pm UA2146 United Airlines Los Angeles — Denver	4h 19m including layover	Find flight from$122
3:25 pm — 11:38 pm	3:25 pm — 8:45 pm UA1179 United Airlines San Diego — Houston 1h 12m stop 10:05 pm — 11:46 pm UA1338 United Airlines Houston — Denver	7h 13m including layover	Find flight from$211
4:11 pm — 10:17 pm	4:11 pm — 5:48 pm UA2117 United Airlines San Diego — San Francisco 52m stop 6:42 pm — 10:18 pm UA1745 United Airlines San Francisco — Denver	5h 6m including layover	Find flight from$94
4:11 pm — 0:28 am +1 day	4:11 pm — 5:48 pm UA2117 United Airlines San Diego — San Francisco 3h 4m stop 8:52 pm — 0:28 am UA1871 United Airlines San Francisco — Denver	7h 17m including layover	Find flight from$104
5:50 pm — 0:48 am +1 day	5:50 pm — 7:28 pm UA1871 United Airlines San Diego — San Francisco 1h 47m stop 9:15 pm — 0:48 am UA1317 United Airlines San Francisco — Denver	5h 58m including layover	Find flight from$124
5:56 pm — 0:28 am +1 day	5:56 pm — 7:35 pm UA1871 United Airlines San Diego — San Francisco 1h 17m stop 8:52 pm — 0:28 am UA1871 United Airlines San Francisco — Denver	5h 32m including layover	Find flight from$118
7:27 pm — 8:36 am +1 day	7:27 pm — 9:05 pm UA505 United Airlines San Diego — San Francisco 7h 55m stop 5:00 am — 8:36 am UA2420 United Airlines San Francisco — Denver	12h 9m including layover	Find flight from$183
8:00 am — 2:56 pm	8:00 am — 9:42 am UA2863 United Airlines San Diego — San Francisco 1h 34m stop 11:16 am — 2:56 pm UA2076 United Airlines San Francisco — Denver	5h 56m including layover	Find flight from$94
9:45 am — 6:13 pm	9:45 am — 11:23 am UA305 United Airlines San Diego — San Francisco 3h 7m stop 2:30 pm — 6:13 pm UA2142 United Airlines San Francisco — Denver	7h 28m including layover	Find flight from$123

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times are local. Last updated on 06/23/2025

Flight Information

There are 8 flights by United Airlines from San Diego to Denver every week with departures from San Diego, AFB, Golden Triangle Reg., Lowndes County, San Diego Regional, El Cajon, Montgomery Field, Miramar NAS, North Island NAS, Brown Field Municipal, Gillespie Field. All flights arrive at Denver International and Arapahoe Co.

Departures start from 10:00 pm to 9:45 am. Nonstop flight is 2h 26m. The time difference between San Diego and Denver is 1h.

The fastest flight 2h 26m
Average flight time 2h 28m
The earliest flight 10:00 pm
The latest flight 9:45 am
Distance 852 ml

The cheapest months for traveling to Denver are september (from 111 $), october (from 115 $), august (from 117 $).

The most expensive and popular months are may (from 173 $), february (from 173 $), june (from 156 $).

The cheapest flight by United Airlines that our users were able to find is $83. This airfare is economy class on one-way UA2270 flight for September 27, 2025 leaving San Diego in San Diego at 6:45 am, it includes all taxes and additional fees.

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United Airlines Airplanes on the Route

List of the most popular United Airlines airplanes flying from San Diego to Denver:

Other Popular Airlines on the Route

Besides United Airlines there are other 6 airline carriers between San Diego and Denver. Please review schedules and prices from the most popular airlines to find the best airfare deals from San Diego to Denver.

Nonstop flights

There are 15 direct flights every day from San Diego. Airlines and fares are below:

F9 - Frontier Airlines

from $39

Find
AS - Alaska Airlines

from $63

Find
HA - Hawaiian Airlines

from $60

Find

See more direct flights

Connecting Flights

List of flights with layovers (1 and more stops):

F9 - Frontier Airlines

from $51

Find
AS - Alaska Airlines

from $103

Find
SY - Sun Country Airlines

from $122

Find
HA - Hawaiian Airlines

from $97

Find
MX - Mexicana

from $215

Find
NK - Spirit Airlines

from $88

Find

See more connecting flights

How to book an air ticket yourself?

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