Cheap Flights from Chicago to San Diego

Popular airlines from Chicago to San Diego

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Cheap flights from Chicago to San Diego (CHI-SAN)

Prices were available within the past 7 days and start at €62 for one-way flights and €122 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
American Airlines
American Airlines
United
Delta
JetBlue Airways

Find the cheapest month to fly from Chicago (CHI) to San Diego (SAN)

September is typically the cheapest month to fly

From €76 - €256 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.