American Airlines Cheap Flights from Chicago to San Diego: AA CHI→SAN

View HK$948 flight on Tue, 17 Feb 2026Opens in a new window
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Prices were available within the past 7 days and start at HK$948 for one-way flights and HK$2,693 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, 22 Dec - Tue, 30 Dec
ORD
Chicago
SAN
San Diego
HK$2,693 Return, found 1 day ago
HK$2,693
Return
found 1 day ago
Select American Airlines flight, departing Mon, 22 Dec from Chicago to San Diego, returning Tue, 30 Dec, priced at HK$2,693 found 1 day ago
American Airlines
Tue, 23 Dec - Wed, 31 Dec
ORD
Chicago
SAN
San Diego
HK$2,886 Return, found 1 day ago
HK$2,886
Return
found 1 day ago
Select American Airlines flight, departing Tue, 23 Dec from Chicago to San Diego, returning Wed, 31 Dec, priced at HK$2,886 found 1 day ago
American Airlines
Tue, 23 Dec - Tue, 30 Dec
ORD
Chicago
SAN
San Diego
HK$2,908 Return, found 1 day ago
HK$2,908
Return
found 1 day ago
Select American Airlines flight, departing Tue, 23 Dec from Chicago to San Diego, returning Tue, 30 Dec, priced at HK$2,908 found 1 day ago
American Airlines
Tue, 23 Dec - Wed, 31 Dec
ORD
Chicago
SAN
San Diego
HK$2,918 Return, found 1 day ago
HK$2,918
Return
found 1 day ago
Select American Airlines flight, departing Tue, 23 Dec from Chicago to San Diego, returning Wed, 31 Dec, priced at HK$2,918 found 1 day ago
American Airlines
Tue, 23 Dec - Wed, 31 Dec
ORD
Chicago
SAN
San Diego
HK$2,939 Return, found 1 day ago
HK$2,939
Return
found 1 day ago
Select American Airlines flight, departing Tue, 23 Dec from Chicago to San Diego, returning Wed, 31 Dec, priced at HK$2,939 found 1 day ago
American Airlines
Tue, 23 Dec - Tue, 30 Dec
ORD
Chicago
SAN
San Diego
HK$2,961 Return, found 1 day ago
HK$2,961
Return
found 1 day ago
Select American Airlines flight, departing Tue, 23 Dec from Chicago to San Diego, returning Tue, 30 Dec, priced at HK$2,961 found 1 day ago
Chicago to San Diego route information
Origin airport
O'Hare Intl.
Destination airport
San Diego Intl.
Airlines serving
American Airlines, Delta, United
Popular airline
American Airlines
Distance
2752 km
*Available to Expedia members.