Cheap Flights from Chicago to San Diego: CHI→SAN from HK$906

View HK$906 flight on Wed, 27 Aug 2025Opens in a new window

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Find Cheap Flights from Chicago (CHI) to San Diego (SAN)

Prices were available within the past 7 days and start at HK$906 for one-way flights and HK$1,921 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 12 Sep - Sat, 13 Sep
ORD
Chicago
SAN
San Diego
HK$1,921 Return, found 1 day ago
HK$1,921
Return
found 1 day ago
Select Delta flight, departing Fri, 12 Sep from Chicago to San Diego, returning Sat, 13 Sep, priced at HK$1,921 found 1 day ago
Delta
Fri, 12 Sep - Sun, 14 Sep
ORD
Chicago
SAN
San Diego
HK$2,020 Return, found 1 day ago
HK$2,020
Return
found 1 day ago
Select Delta flight, departing Fri, 12 Sep from Chicago to San Diego, returning Sun, 14 Sep, priced at HK$2,020 found 1 day ago
United
Fri, 12 Sep - Sat, 13 Sep
ORD
Chicago
SAN
San Diego
HK$2,038 Return, found 1 day ago
HK$2,038
Return
found 1 day ago
Select United flight, departing Fri, 12 Sep from Chicago to San Diego, returning Sat, 13 Sep, priced at HK$2,038 found 1 day ago
United
Fri, 12 Sep - Sun, 14 Sep
ORD
Chicago
SAN
San Diego
HK$2,147 Return, found 1 day ago
HK$2,147
Return
found 1 day ago
Select United flight, departing Fri, 12 Sep from Chicago to San Diego, returning Sun, 14 Sep, priced at HK$2,147 found 1 day ago
United
Sun, 24 Aug - Sun, 31 Aug
ORD
Chicago
SAN
San Diego
HK$2,177 Return, found 4 days ago
HK$2,177
Return
found 4 days ago
Select United flight, departing Sun, 24 Aug from Chicago to San Diego, returning Sun, 31 Aug, priced at HK$2,177 found 4 days ago
American Airlines
Sun, 24 Aug - Sun, 31 Aug
ORD
Chicago
CLD
Carlsbad
HK$2,181 Return, found 4 days ago
HK$2,181
Return
found 4 days ago
Select American Airlines flight, departing Sun, 24 Aug from Chicago to Carlsbad, returning Sun, 31 Aug, priced at HK$2,181 found 4 days ago

Find the cheapest month to fly from Chicago (CHI) to San Diego (SAN)

September is typically the cheapest month to fly

From HK$692 - HK$1,521 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.