Cheap flights from Gary to San Diego from CA $61

View CA $61 flight on Tue, Aug. 5, 2025Opens in a new window

Popular airlines from Gary to San Diego

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days and start at CA $61 for one-way flights and CA $194 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Sat, Jul. 19 - Wed, Jul. 23
ORD
Chicago
SAN
San Diego
CA $194 Roundtrip, found 6 days ago
CA $194
Roundtrip
found 6 days ago
Select Spirit Airlines flight, departing Sat, Jul. 19 from Chicago to San Diego, returning Wed, Jul. 23, priced at CA $194 found 6 days ago
American Airlines
Thu, Sep. 4 - Sun, Sep. 7
ORD
Chicago
SAN
San Diego
CA $204 Roundtrip, found 2 days ago
CA $204
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Sep. 4 from Chicago to San Diego, returning Sun, Sep. 7, priced at CA $204 found 2 days ago
Spirit Airlines
Thu, Sep. 18 - Mon, Sep. 22
ORD
Chicago
SAN
San Diego
CA $213 Roundtrip, found 5 days ago
CA $213
Roundtrip
found 5 days ago
Select Spirit Airlines flight, departing Thu, Sep. 18 from Chicago to San Diego, returning Mon, Sep. 22, priced at CA $213 found 5 days ago
Alaska Airlines
Wed, Oct. 15 - Thu, Oct. 16
ORD
Chicago
SAN
San Diego
CA $223 Roundtrip, found 3 days ago
CA $223
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Wed, Oct. 15 from Chicago to San Diego, returning Thu, Oct. 16, priced at CA $223 found 3 days ago
Hawaiian Airlines
Tue, Oct. 14 - Tue, Oct. 21
ORD
Chicago
SAN
San Diego
CA $232 Roundtrip, found 3 days ago
CA $232
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Tue, Oct. 14 from Chicago to San Diego, returning Tue, Oct. 21, priced at CA $232 found 3 days ago
Frontier Airlines
Fri, Aug. 8 - Sat, Aug. 16
ORD
Chicago
SAN
San Diego
CA $264 Roundtrip, found 6 days ago
CA $264
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Fri, Aug. 8 from Chicago to San Diego, returning Sat, Aug. 16, priced at CA $264 found 6 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.