Chicago To San Diego Flights — from €196
Compare cheap flights from Chicago 🇺🇸 to San Diego 🇺🇸. Real prices, daily refreshed from Aviasales.
Live price data temporarily unavailable for this route. Search current fares directly →
Other ways travelers describe this route — we cover all of them on this page:
🏨 Search Hotels in San Diego — Compare 100+ booking sites
🚗 Rent a Car in San Diego — 800+ rental brands worldwide
🚙 Local Car Rental — Owner-operated fleets
🎧 Self-Guided Audio Tours of San Diego
🎫 Skip-the-Line Tickets
🚕 Airport Transfer
🛡️ Travel Insurance from $4/day
📱 Get an eSIM (code FALLY20)
✈️ Flight Delayed? Claim up to €600
Chicago → Barcelona Chicago → Madrid Chicago → Malaga Chicago → Valencia Chicago → Seville Chicago → Ibiza Chicago → Mallorca Chicago → Tenerife Chicago → Gran Canaria Chicago → Lanzarote Chicago → Bilbao Chicago → Granada Chicago → Lisbon Chicago → Porto Chicago → Faro Chicago → Madeira Chicago → Rome Chicago → Milan Chicago → Venice Chicago → Florence Chicago → Naples Chicago → Palermo Chicago → Catania Chicago → Bologna Chicago → Bari Chicago → Verona Chicago → Pisa Chicago → Sardinia Chicago → Paris Chicago → Nice
London → San Diego Paris → San Diego Amsterdam → San Diego Brussels → San Diego Frankfurt → San Diego Munich → San Diego Berlin → San Diego Hamburg → San Diego Zurich → San Diego Geneva → San Diego Vienna → San Diego Dublin → San Diego Madrid → San Diego Barcelona → San Diego Lisbon → San Diego Porto → San Diego Rome → San Diego Milan → San Diego Naples → San Diego Athens → San Diego Copenhagen → San Diego Stockholm → San Diego Oslo → San Diego Helsinki → San Diego Reykjavik → San Diego Warsaw → San Diego Krakow → San Diego Prague → San Diego Budapest → San Diego Bucharest → San Diego
Updated 2026-04-14 · Real-time travel data · Affiliate disclosure: this page contains affiliate links — we earn a commission if you book.
The Chicago to San Diego flight takes approximately 1–5 hours. Total journey time including check-in and airport transfers adds 2–3 hours. Filter search results by total journey time, not just fare, to find the most efficient routing.
January, february, and november typically offer the lowest fares, often 15–25% below peak-season prices. Shoulder season — April through May and September through October — balances value with excellent travel conditions. Avoid school holiday windows, when demand drives fares sharply higher.
Book 3–5 weeks ahead for the best price and seat availability. Fares typically rise sharply inside 14 days of departure. Searching on Tuesday or Wednesday mornings returns 10–15% lower fares than weekend searches on average.
Yes, nonstop options operate on this route — frequency varies by season.
Set a fare alert for the route and search ±3 days around your target travel dates. Compare fares from nearby airports — a short drive can unlock significantly lower base fares. Self-connecting through a separate booking can beat bundled itinerary prices by 20–30%, though this carries risk if your first segment is delayed.