Cheap Alaska Airlines Flights from Denver to San Diego (DEN→SAN)

You can find cheap round-trip Alaska Airlines flights from DEN to SAN by sorting your results from "Price (lowest to highest)" on Expedia. Or search for deals from AU$128 for a one-way journey.*

*These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Search for round-trip or one-way flights to San Diego in January or November. You could find a cheap fare with Alaska Airlines during these quieter months.

Click on the "Nonstop" filter when browsing for direct Alaska Airlines flights from DEN to SAN. It's also a great way to compare other airlines offering the same nonstop trip.

Take an Alaska Airlines flight from Denver Intl. Airport (DEN) to San Diego, and you're most likely to land at San Diego Intl. Airport (SAN). This is the airline's primary hub here.

Changes are usually free within 24 hours of booking, but your airline may add a charge after that time. For more information about altering your flights, check out your "Trips," select your flight and click on "Manage Booking." If you'd like the flexibility to change your itinerary without extra charges, check the "No cancel fee" or "Changes included" filter when organising your next adventure.