Alaska Airlines San Diego to Denver Flights

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Best Airfare Price Calendar Flights Schedule

Cheapflightsplus.com will find cheap Alaska Airlines flights from San Diego to Denver. Compare airline ticket prices and book air tickets starting from $187 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 San Diego (CA) — Denver (CO) 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 - $187, two-way – $321.

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Cheap Flights from San Diego to Denver by Alaska Airlines

Look at the list of plane tickets for the most connecting flights by Alaska Airlines, their prices start from $187. There’re no direct flights. The fastest connecting flight – 8h 57m.

Price	Departure	Arrival	Flight Time	Airline	Flight
from $187 Find flight	6:15 am San Diego San Diego	11:49 pm Denver Denver International	16h 34m layover 8h 39m - San Francisco 1h 17m - Seattle	Alaska Airlines	AS2180 AS1078 AS321
from $198 Find flight	1:39 pm San Diego San Diego	11:49 pm Denver Denver International	9h 10m layover 1h 13m - San Francisco 1h 17m - Seattle	Alaska Airlines	AS3352 AS1078 AS321
from $214 Find flight	8:00 am San Diego San Diego	6:59 pm Denver Denver International	9h 59m layover 1h 51m - San Francisco 1h 28m - Seattle	Alaska Airlines	AS3463 AS1225 AS524

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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 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
1:39 pm — 11:49 pm	1:39 pm — 3:26 pm AS3352 Alaska Airlines San Diego — San Francisco 1h 13m stop 4:39 pm — 6:53 pm AS1078 Alaska Airlines San Francisco — Seattle 1h 17m stop 8:10 pm — 11:49 pm AS321 Alaska Airlines Seattle — Denver	9h 10m including layover	Find flight from$198
6:15 am — 11:49 pm	6:15 am — 8:00 am AS2180 Alaska Airlines San Diego — San Francisco 8h 39m stop 4:39 pm — 6:53 pm AS1078 Alaska Airlines San Francisco — Seattle 1h 17m stop 8:10 pm — 11:49 pm AS321 Alaska Airlines Seattle — Denver	16h 34m including layover	Find flight from$187
6:15 am — 4:12 pm	6:15 am — 8:00 am AS2180 Alaska Airlines San Diego — San Francisco 1h stop 9:00 am — 11:18 am AS1289 Alaska Airlines San Francisco — Seattle 1h 16m stop 12:34 pm — 4:12 pm AS602 Alaska Airlines Seattle — Denver	8h 57m including layover	Find flight from$214
6:15 am — 6:59 pm	6:15 am — 8:00 am AS2180 Alaska Airlines San Diego — San Francisco 3h 35m stop 11:35 am — 1:53 pm AS1225 Alaska Airlines San Francisco — Seattle 1h 28m stop 3:21 pm — 6:59 pm AS524 Alaska Airlines Seattle — Denver	11h 44m including layover	Find flight from$214
6:15 am — 6:59 pm	6:15 am — 8:00 am AS2180 Alaska Airlines San Diego — San Francisco 1h stop 9:00 am — 11:18 am AS1289 Alaska Airlines San Francisco — Seattle 4h 3m stop 3:21 pm — 6:59 pm AS524 Alaska Airlines Seattle — Denver	11h 44m including layover	Find flight from$220
8:00 am — 6:59 pm	8:00 am — 9:44 am AS3463 Alaska Airlines San Diego — San Francisco 1h 51m stop 11:35 am — 1:53 pm AS1225 Alaska Airlines San Francisco — Seattle 1h 28m stop 3:21 pm — 6:59 pm AS524 Alaska Airlines Seattle — Denver	9h 59m including layover	Find flight from$214

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 7 flights by Alaska 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 1:39 pm to 8:00 am. Nonstop flight is 8h 57m. The time difference between San Diego and Denver is 1h.

The fastest flight 8h 57m
Average flight time 10h 52m
The earliest flight 1:39 pm
The latest flight 8:00 am
Distance 852 ml

The cheapest months for traveling to Denver are february (from 187 $).

The cheapest flight by Alaska Airlines that our users were able to find is $187. This airfare is economy class on one-way AS2180 flight for February 21, 2025 leaving San Diego in San Diego at 6:15 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 San Diego to Denver:

Other Popular Airlines on the Route

Besides Alaska Airlines there are other 5 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 6 direct flights every day from San Diego. Airlines and fares are below:

UA - United Airlines

from $140

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Connecting Flights

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

F9 - Frontier Airlines

from $70

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UA - United Airlines

from $268

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NK - Spirit Airlines

from $197

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SY - Sun Country Airlines

from $154

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WS - WestJet

from $984

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How to book an air ticket yourself?

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That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
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