Alaska Airlines Cheap Flights from Chicago to San Diego

Grab affordable return Alaska Airlines flights from ORD to SAN by filtering your results from "Price (lowest to highest)" on Expedia. Or look for options 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 one-way or return flights to San Diego in January or November. You could find lower fares with Alaska Airlines during these off-peak months.

To find out if there's a direct route from ORD to SAN with Alaska Airlines or any other carriers, use our "Nonstop" filter when searching for tickets.

Alaska Airlines flights from O'Hare Intl. Airport (ORD) to San Diego come in to land at San Diego Intl. Airport (SAN). This is the main gateway here.

It's usually possible to modify or cancel your flight, although additional fees may apply if you made your booking more than 24 hours ago. Prefer to keep your options open? Make use of Expedia's "Changes included" or "No cancel fee" filter to find flights that won't penalize you if you need to adjust your plans. To update your booking, go to "Trips," select your flight and click on "Manage Booking" for more details.