Flights to San Diego from Chicago from RM740

View RM740 flight on Wed, 6 Aug 2025Opens in a new window

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

Prices were available within the past 7 days and start at RM740 for one-way flights and RM1,716 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, 20 Dec - Wed, 31 Dec
ORD
Chicago
SAN
San Diego
RM1,716 Return, found 4 days ago
RM1,716
Return
found 4 days ago
Select United flight, departing Sat, 20 Dec from Chicago to San Diego, returning Wed, 31 Dec, priced at RM1,716 found 4 days ago
United
Sat, 20 Dec - Wed, 31 Dec
ORD
Chicago
SAN
San Diego
RM1,723 Return, found 4 days ago
RM1,723
Return
found 4 days ago
Select United flight, departing Sat, 20 Dec from Chicago to San Diego, returning Wed, 31 Dec, priced at RM1,723 found 4 days ago
United
Sat, 20 Dec - Wed, 31 Dec
ORD
Chicago
SAN
San Diego
RM1,778 Return, found 4 days ago
RM1,778
Return
found 4 days ago
Select United flight, departing Sat, 20 Dec from Chicago to San Diego, returning Wed, 31 Dec, priced at RM1,778 found 4 days ago
United
Sat, 20 Dec - Wed, 31 Dec
ORD
Chicago
SAN
San Diego
RM1,805 Return, found 4 days ago
RM1,805
Return
found 4 days ago
Select United flight, departing Sat, 20 Dec from Chicago to San Diego, returning Wed, 31 Dec, priced at RM1,805 found 4 days ago
Delta
Sat, 20 Dec - Wed, 31 Dec
ORD
Chicago
SAN
San Diego
RM2,090 Return, found 4 days ago
RM2,090
Return
found 4 days ago
Select Delta flight, departing Sat, 20 Dec from Chicago to San Diego, returning Wed, 31 Dec, priced at RM2,090 found 4 days ago
American Airlines
Sat, 20 Dec - Wed, 31 Dec
ORD
Chicago
SAN
San Diego
RM2,182 Return, found 4 days ago
RM2,182
Return
found 4 days ago
Select American Airlines flight, departing Sat, 20 Dec from Chicago to San Diego, returning Wed, 31 Dec, priced at RM2,182 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 RM 378 - RM 888 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.