Alaska Airlines Denver to San Diego Flights

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Cheapflightsplus.com will find cheap Alaska Airlines flights from Denver to San Diego. Compare airline ticket prices and book air tickets starting from $139 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of Alaska Airlines, arrivals and departure details below.

Find Cheap Airfare Denver (CO) — San Diego (CA) by Alaska 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 february: one-way - $139, two-way – $238.

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Cheap Flights from Denver to San Diego by Alaska Airlines

Look at the list of plane tickets for the most connecting flights by Alaska Airlines, their prices start from $139. There’re no direct flights. The fastest connecting flight – 6h 29m.

Price	Departure	Arrival	Flight Time	Airline	Flight
from $139 Find flight	7:00 am Denver Denver International	1:50 pm San Diego San Diego	7h 50m layover 1h 46m - Seattle	Alaska Airlines	AS643 AS1180
from $252 Find flight	12:38 pm Denver Denver International	7:10 pm San Diego San Diego	7h 32m layover 1h 39m - Seattle	Alaska Airlines	AS682 AS1142
from $285 Find flight	5:08 pm Denver Denver International	10:37 pm San Diego San Diego	6h 29m layover 0h 40m - Seattle	Alaska Airlines	AS615 AS1131
from $203 Find flight	7:00 am Denver Denver International	5:03 pm San Diego San Diego	11h 3m layover 0h 44m - Seattle 3h 43m - Portland	Alaska Airlines	AS643 AS2213 AS1204

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*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 02/09/2025

Alaska Airlines Flight Schedule Denver to San Diego

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
12:38 pm — 7:10 pm	12:04 pm — 2:17 pm AS682 Alaska Airlines Denver — Seattle 1h 39m stop 4:30 pm — 7:12 pm AS1142 Alaska Airlines Seattle — San Diego	7h 32m including layover	Find flight from$252
12:38 pm — 9:14 pm	12:04 pm — 2:17 pm AS682 Alaska Airlines Denver — Seattle 3h 42m stop 6:05 pm — 8:48 pm AS1098 Alaska Airlines Seattle — San Diego	9h 36m including layover	Find flight from$252
5:08 pm — 10:37 pm	4:45 pm — 6:50 pm AS615 Alaska Airlines Denver — Seattle 40m stop 7:50 pm — 10:33 pm AS1131 Alaska Airlines Seattle — San Diego	6h 29m including layover	Find flight from$285
7:00 am — 1:50 pm	7:00 am — 9:16 am AS643 Alaska Airlines Denver — Seattle 1h 46m stop 11:02 am — 1:50 pm AS1180 Alaska Airlines Seattle — San Diego	7h 50m including layover	Find flight from$139
7:00 am — 12:46 pm	6:00 am — 8:06 am AS643 Alaska Airlines Denver — Seattle 41m stop 9:08 am — 11:57 am AS1108 Alaska Airlines Seattle — San Diego	6h 46m including layover	Find flight from$139
7:00 am — 5:03 pm	7:00 am — 9:16 am AS643 Alaska Airlines Denver — Seattle 44m stop 10:00 am — 10:54 am AS2213 Alaska Airlines Seattle — Portland 3h 43m stop 2:37 pm — 5:03 pm AS1204 Alaska Airlines Portland — San Diego	11h 3m including layover	Find flight from$203
7:00 am — 5:03 pm	7:00 am — 9:16 am AS643 Alaska Airlines Denver — Seattle 2h 20m stop 11:36 am — 12:33 pm AS1039 Alaska Airlines Seattle — Portland 2h 4m stop 2:37 pm — 5:03 pm AS1204 Alaska Airlines Portland — San Diego	11h 3m including layover	Find flight from$203
7:00 am — 4:43 pm	7:00 am — 9:16 am AS643 Alaska Airlines Denver — Seattle 2h 4m stop 11:20 am — 1:12 pm AS1216 Alaska Airlines Seattle — Sacramento 1h 56m stop 3:08 pm — 4:43 pm AS3439 Alaska Airlines Sacramento — San Diego	10h 43m including layover	Find flight from$219
7:00 am — 4:24 pm	7:00 am — 9:16 am AS643 Alaska Airlines Denver — Seattle 2h 44m stop 12:00 pm — 2:11 pm AS975 Alaska Airlines Seattle — San Jose 48m stop 2:59 pm — 4:24 pm AS3496 Alaska Airlines San Jose — San Diego	10h 24m including layover	Find flight from$246

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

*Departure and arrival times are local. Last updated on 02/09/2025

Flight Information

There are 10 flights by Alaska Airlines from Denver to San Diego every week with departures from Denver International and Arapahoe Co. All flights arrive at 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.

Departures start from 12:38 pm to 7:00 am. Nonstop flight is 6h 29m. The time difference between Denver and San Diego is 1h.

The fastest flight 6h 29m
Average flight time 9h 36m
The earliest flight 12:38 pm
The latest flight 7:00 am
Distance 852 ml

The cheapest months for traveling to San Diego are february (from 139 $), december (from 165 $), january (from 194 $).

The most expensive and popular months are november (from 268 $), january (from 194 $), december (from 165 $).

The cheapest flight by Alaska Airlines that our users were able to find is $139. This airfare is economy class on one-way AS643 flight for February 21, 2025 leaving Denver International in Denver at 7:00 am, it includes all taxes and additional fees.

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Alaska Airlines Airplanes on the Route

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

Other Popular Airlines on the Route

Besides Alaska Airlines there are other 3 airline carriers between Denver and San Diego. Please review schedules and prices from the most popular airlines to find the best airfare deals from Denver to San Diego.

Nonstop flights

There are 6 direct flights every day from Denver. Airlines and fares are below:

F9 - Frontier Airlines

from $70

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UA - United Airlines

from $57

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Connecting Flights

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

F9 - Frontier Airlines

from $81

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UA - United Airlines

from $171

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AM - Aeromexico

from $746

Find

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How to book an air ticket yourself?

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