Cheap flights from Gary to San Diego from CA $76

View CA $76 flight on Tue, Jul. 22, 2025Opens in a new window

Popular airlines from Gary to San Diego

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Cheap flights from Gary (RFD) to San Diego (SAN)

Prices were available within the past 7 days and start at CA $76 for one-way flights and CA $182 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Sun, Aug. 17 - Mon, Aug. 18
ORD
Chicago
SAN
San Diego
CA $182 Roundtrip, found 5 days ago
CA $182
Roundtrip
found 5 days ago
Select Spirit Airlines flight, departing Sun, Aug. 17 from Chicago to San Diego, returning Mon, Aug. 18, priced at CA $182 found 5 days ago
Spirit Airlines
Sat, Jul. 19 - Wed, Jul. 23
ORD
Chicago
SAN
San Diego
CA $194 Roundtrip, found 4 days ago
CA $194
Roundtrip
found 4 days ago
Select Spirit Airlines flight, departing Sat, Jul. 19 from Chicago to San Diego, returning Wed, Jul. 23, priced at CA $194 found 4 days ago
American Airlines
Thu, Sep. 4 - Sun, Sep. 7
ORD
Chicago
SAN
San Diego
CA $204 Roundtrip, found 2 hours ago
CA $204
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Thu, Sep. 4 from Chicago to San Diego, returning Sun, Sep. 7, priced at CA $204 found 2 hours ago
Alaska Airlines
Wed, Oct. 15 - Thu, Oct. 16
ORD
Chicago
SAN
San Diego
CA $223 Roundtrip, found 1 day ago
CA $223
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Oct. 15 from Chicago to San Diego, returning Thu, Oct. 16, priced at CA $223 found 1 day ago
Hawaiian Airlines
Tue, Oct. 14 - Tue, Oct. 21
ORD
Chicago
SAN
San Diego
CA $232 Roundtrip, found 1 day ago
CA $232
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Tue, Oct. 14 from Chicago to San Diego, returning Tue, Oct. 21, priced at CA $232 found 1 day ago
Frontier Airlines
Fri, Aug. 8 - Sat, Aug. 16
ORD
Chicago
SAN
San Diego
CA $264 Roundtrip, found 4 days ago
CA $264
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Fri, Aug. 8 from Chicago to San Diego, returning Sat, Aug. 16, priced at CA $264 found 4 days ago

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

September is typically the cheapest month to fly

From CA $113 - CA $226 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.