Cheap flights from Chicago to San Diego
The lowest fare found is €103. The cheapest month to fly is October.
Search live pricesSearch round-trip pricesLowest price by month
| October | €103 |
When is the cheapest time to fly from Chicago to San Diego?
Fares are typically lowest in October, starting from €103.
Popular routes
- Chicago → Baltimore
- Chicago → Tampa
- Chicago → Austin
- Chicago → Washington Dulles
- Chicago → Washington
- Chicago → Nashville
- Chicago → Chicago Midway
- Chicago → Honolulu
- Chicago → Portland
- Chicago → St Louis
- Chicago → Raleigh
- Chicago → Sacramento
Prices updated 2026-09-08