Cheap flights from Chicago to San Diego
From 257 USD — compare hundreds of airlines
Vuelos directosMás barato: 2026-07 · 145 US$
Precios por fecha
162 US$
07-02
162 US$
07-03
182 US$
07-04
201 US$
07-05
198 US$
07-06
145 US$
07-07
185 US$
07-08
171 US$
07-09
157 US$
07-10
Aerolíneas en esta ruta
American AirlinesAlaska AirlinesUnited AirlinesSilk AviaSouthwest Airlines
Preguntas frecuentes
What's the cheapest month to fly Chicago to San Diego?
Usually 2026-07, from 145 USD.
Are there direct flights from Chicago to San Diego?
We show both direct and connecting options — filter to compare.