Chicago to San Diego Flights
Flights from Chicago (CHI) to San Diego (SAN) connect United States and US. The great-circle distance is approximately 2,786 km, and a typical direct flight takes about 4 to 5 hours. Airports commonly used for this city pair include CHI, ORD, MDW and SAN, CLD. The reverse route is San Diego to Chicago. Use the search tool below to compare live prices and schedules — do not treat any static text on this page as a live fare.
Route facts
- Origin
- Chicago, United States
- Destination
- San Diego, US
- Distance
- 2,786 km
- Typical duration
- about 4 to 5 hours
- Origin codes
- CHI, ORD, MDW
- Destination codes
- SAN, CLD
- Primary keyword
- flights from Chicago to San Diego
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Route overview
Chicago to San Diego is a city-pair air route between United States and US. Travelers use this corridor for leisure, business, and connecting itineraries.
Primary search codes are CHI and SAN. Related codes: CHI, ORD, MDW → SAN, CLD.
Distance
Approximate flight distance: 2,786 km (great-circle). Actual flown distance can be longer depending on airway routing.
Duration
Typical block time for a direct flight is about 4 to 5 hours. Connecting itineraries take longer and depend on layover airports.
Airports
Chicago airports and metro codes: CHI, ORD, MDW.
San Diego airports and metro codes: SAN, CLD.
Alternative routes
Related searches include the reverse route San Diego to Chicago, other destinations from Chicago, and other origins into San Diego.
Frequently asked questions
How long is the flight from Chicago to San Diego?
Direct flights from Chicago to San Diego typically take about 4 to 5 hours, depending on aircraft type, routing, and wind conditions. Connecting itineraries take longer.
What is the distance from Chicago to San Diego?
The great-circle distance between Chicago and San Diego is approximately 2,786 km. Flown distance can be longer depending on airways.
Which airports serve flights from Chicago to San Diego?
Chicago is commonly searched with code CHI (related: CHI, ORD, MDW). San Diego is commonly searched with code SAN (related: SAN, CLD).
Are there direct flights from Chicago to San Diego?
Direct service availability varies by season and airline. Compare live schedules on Cheap Flights Worldwide for current nonstop and connecting options on this route.
What is the reverse flight route from San Diego to Chicago?
The reverse city pair is San Diego to Chicago. Distance is the same great-circle measure (2,786 km); block time can differ with winds and schedules.
Which countries does the Chicago to San Diego route connect?
This route connects United States (Chicago) with US (San Diego).