
Popular airlines from Chicago to San Diego
- Alaska Airlines
Alaska Airlines
- American Airlines
American Airlines
- Southwest Airlines
Southwest Airlines
- Delta
Delta
- Spirit Airlines
Spirit Airlines
- United
United
- Frontier Airlines
Frontier Airlines
- Plan, book, fly with confidence
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Cheap Flights from Chicago (CHI) to San Diego (SAN)
Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, 4 Oct. - Sat, 11 Oct.
ORD
Chicago
SAN
San Diego
AU$214 Return, found 2 days ago
AU$214
Return
found 2 days ago

Sat, 4 Oct. - Sat, 11 Oct.
ORD
Chicago
SAN
San Diego
AU$254 Return, found 2 days ago
AU$254
Return
found 2 days ago

Thu, 18 Sep. - Sat, 20 Sep.
ORD
Chicago
SAN
San Diego
AU$259 Return, found 2 days ago
AU$259
Return
found 2 days ago

Thu, 11 Sep. - Sat, 13 Sep.
ORD
Chicago
SAN
San Diego
AU$282 Return, found 3 days ago
AU$282
Return
found 3 days ago

Sat, 4 Oct. - Sat, 11 Oct.
ORD
Chicago
SAN
San Diego
AU$284 Return, found 2 days ago
AU$284
Return
found 2 days ago

Sat, 4 Oct. - Sat, 11 Oct.
ORD
Chicago
SAN
San Diego
AU$359 Return, found 2 days ago
AU$359
Return
found 2 days ago
Find the cheapest month to fly from Chicago (CHI) to San Diego (SAN)
September is typically the cheapest month to fly
From AU$141 - AU$301 per traveller.
Graph displaying average flight prices per month
Expedia's Latest Trends
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