
Popular airlines from Chicago to San Diego
- American Airlines
American Airlines
- Delta
Delta
- United
United
- JetBlue Airways
JetBlue Airways
- Plan, book, fly with confidence
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Cheap flights from Chicago to San Diego (CHI-SAN)
Prices were available within the past 7 days and start at €62 for one-way flights and €122 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, 16 Aug - Sat, 23 Aug
ORD
Chicago
SAN
San Diego
€122 Return, found 1 day ago
€122
Return
found 1 day ago

Thu, 9 Oct - Sun, 12 Oct
ORD
Chicago
SAN
San Diego
€129 Return, found 2 days ago
€129
Return
found 2 days ago

Fri, 22 Aug - Fri, 29 Aug
ORD
Chicago
SAN
San Diego
€134 Return, found 1 day ago
€134
Return
found 1 day ago

Mon, 25 Aug - Wed, 3 Sep
ORD
Chicago
SAN
San Diego
€162 Return, found 5 hours ago
€162
Return
found 5 hours ago

Mon, 25 Aug - Wed, 3 Sep
ORD
Chicago
SAN
San Diego
€171 Return, found 5 hours ago
€171
Return
found 5 hours ago

Mon, 18 Aug - Tue, 26 Aug
ORD
Chicago
SAN
San Diego
€323 Return, found 2 days ago
€323
Return
found 2 days ago
Find the cheapest month to fly from Chicago (CHI) to San Diego (SAN)
September is typically the cheapest month to fly
From €76 - €256 per traveller.
Graph displaying average flight prices per month
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