How long is the flight from Chicago to San Diego?

Direct flights from ORD to SAN cover approximately 2,769 km (1,721 miles), with an estimated flight time of 3h 15m. Operating airlines: AA, AS, UA.

Cheap flights from Chicago to San Diego

Direct flight: 2,769 km, ~3h 15m from Chicago (ORD) to San Diego (SAN).

Last updated May 26, 2026 · By Flightmaps Editorial

How long is the flight from Chicago to San Diego?

Direct flights from ORD to SAN cover approximately 2,769 km (1,721 miles), with an estimated flight time of 3h 15m. Operating airlines: AA, AS, UA.

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