Flights from Chicago O'Hare to San Diego

Our cheapest offers for flights from Chicago O'Hare to San Diego

Here you can compare cheap flights from Chicago O'Hare (ORD) to San Diego (SAN) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to San Diego. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Chicago O'Hare
San Diego
Outbound
09/25/25
1 Stopover (DEN)
F91483, F92711
19h 53min
Return
10/05/25
1 Stopover (DEN)
F94990, F93172
24h 56min
Frontier Airlines
$156
Best option
Chicago O'Hare
San Diego
Outbound
09/25/25
direct
UA0542
04h 20min
Return
10/05/25
direct
UA2624
04h 07min
United Airlines ?
$273
Chicago O'Hare
San Diego
Outbound
09/25/25
1 Stopover (DEN)
F91483, F92711
19h 53min
Return
10/05/25
1 Stopover (DEN)
F94990, F93174
10h 34min
Frontier Airlines ?
$165
Chicago O'Hare
San Diego
Outbound
09/25/25
1 Stopover (DEN)
F91483, F92817
07h 09min
Return
10/05/25
1 Stopover (DEN)
F94990, F93174
10h 34min
Frontier Airlines
$168
Chicago O'Hare
San Diego
Outbound
09/25/25
1 Stopover (DEN)
F91483, F94989
16h 07min
Return
10/05/25
1 Stopover (DEN)
F94990, F93172
24h 56min
Frontier Airlines ?
$177
found 3 days ago
Chicago O'Hare
San Diego
Outbound
09/25/25
1 Stopover (DEN)
F91483, F92817
07h 09min
Return
10/05/25
1 Stopover (DEN)
F94990, F93174
10h 34min
Frontier Airlines
$182
found 3 days ago
Chicago O'Hare
San Diego
Outbound
09/25/25
1 Stopover (DEN)
F91483, F94989
16h 07min
Return
10/05/25
direct
AS1184
04h 40min
Frontier Airlines
$202
Chicago O'Hare
San Diego
Outbound
09/25/25
1 Stopover (DEN)
F91483, F92817
07h 09min
Return
10/05/25
direct
HA6430
04h 40min
Frontier Airlines ?
$222
found 3 days ago
Chicago O'Hare
San Diego
Outbound
09/25/25
direct
UA2417
04h 20min
Return
10/05/25
direct
UA2624
04h 07min
United Airlines ?
$274
found 3 days ago
Chicago O'Hare
San Diego
Outbound
09/25/25
direct
AA2343
04h 18min
Return
10/05/25
direct
AA0518
04h 27min
American Airlines ?
$337
Prices based on recent searches, subject to last-minute changes
Page 1 / 2

Important flight information

Flight information: Chicago O'Hare - San Diego

Roundtrip from $ 155,68
Distance 2771 km
Departure airport Airport Chicago O'Hare International Airport, IL (ORD)
Arrival airport Airport San Diego - Lindberg Field International, CA (SAN)
Destination country Flights to United States
Alternative routes to United States
Alternative flights to San Diego
Flight destinations with a similar price
Flight destinations with a similar price