| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| Chicago 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 San Diego | Outbound 09/25/25 direct UA0542 04h 20min | Return 10/05/25 direct UA2624 04h 07min |  United Airlines |  | ? | $273 | |
| Chicago 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 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 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 | |
| Chicago 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 | ||
| Chicago 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 San Diego | Outbound 09/25/25 1 Stopover (DEN) F91483, F92817 07h 09min | Return 10/05/25 direct HA6430 04h 40min | Frontier Airlines |  | ? | $222 | |
| Chicago San Diego | Outbound 09/25/25 direct UA2417 04h 20min | Return 10/05/25 direct UA2624 04h 07min | United Airlines | | ? | $274 | |
| Chicago San Diego | Outbound 09/25/25 direct AA2343 04h 18min | Return 10/05/25 direct AA0518 04h 27min |  American Airlines |  | ? | $337 |
Stops
- Direct flight
Tips and tricks to help you find cheap flights from Chicago to San Diego
Favorite airline: Spirit Airlines
The favorite airline for flights from Chicago to San Diego is Spirit Airlines.
Spirit Airlines
34 %
Alaska Airlines
22 %
United Airlines
22 %
Direct flights are more expensive
On this route, direct flights are $179.00 more expensive than flights with a stopover.
non stop flight
1 stop
04h 15min
14h 15min
$352
$173
Favourite connection: via Las Vegas
The most popular route is via Las Vegas and is booked by 36 % of all travelers.
Route
bookings
1 stopover Las Vegas - McCarran International Airport, NV
14h 15min, from $173
36 %
Direct flights
04h 15min, from $352
28 %
1 stopover San Francisco International Airport, CA
12h 42min, from $421
15 %
Important flight information
Flight information: Chicago - San Diego
| Roundtrip from | $155.68 |
|---|---|
| Flight duration | min. 04:22 / max. 11:10 |
| Return flight duration | min. 03:50/ max. 06:30 |
| Distance | 2791 km |
| Flights per week | 110 |
| Departure airport | Airport Chicago-IL, all airports (CHI) |
| Arrival airport | Airport San Diego - Lindberg Field International, CA (SAN) |
| Destination country | Flights to United States |
Alternative routes to United States
- Flight Chicago - New York from $106
- Flight Chicago - Las Vegas from $153
- Flight Chicago - Los Angeles from $383
- Flight Chicago - Miami from $519
- Flight Chicago - San Francisco from $156
- Flight Chicago - Tampa from $56
- Flight Chicago - Denver from $268
- Flight Chicago - Orlando from $117
- Flight Chicago - New Orleans from $103
- Flight Chicago - Boston from $213
Alternative flights to San Diego
- Flight San Francisco - San Diego from $117
- Flight Austin - San Diego from $201
- Flight San Jose - San Diego from $133
- Flight Denver - San Diego from $106
- Flight Boston - San Diego from $218
- Flight Detroit - San Diego from $176
- Flight Dallas - San Diego from $227
- Flight Chicago O'Hare - San Diego from $156
- Flight Atlanta - San Diego from $197
Flight destinations with a similar price
- Flight San Diego - Frankfurt from $587
- Flight San Diego - Dusseldorf from $620
- Flight San Diego - Munich from $742
Flight destinations with a similar price
- Flight Chicago - Las Vegas from $153
- Flight Chicago - San Francisco from $156
- Flight Chicago - Fort Myers from $163
- Flight Chicago - Seattle-Tacoma from $154
- Flight Chicago - Philadelphia from $145