Cheap Flights from Chicago, IL to San Diego, CA from $62

Return flight: San Diego – Chicago

On Cheapflightsplus.com you will find 15 direct and 265 connecting flights from Chicago to San Diego. You can compare airfare deals from 7 airlines and multiple travel sites from $62, book and save on cheap plane tickets and last minute offers. Also check out CHI-SAN flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Chicago to San Diego Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $62 (one-way), $106 (round-trip).
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Full flight schedule will help you in detecting at what time planes fly from Chicago to San Diego. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
Departure Arrival Flight Details Flight Duration Price
07:10 — 09:45
07:10 — 09:45 UA1382 United Airlines
Chicago — San Diego
4h 35m
Find flight
from$371
08:50 — 11:28
08:50 — 11:28 UA660 United Airlines
Chicago — San Diego
4h 38m
Find flight
from$334
08:59 — 11:34
08:59 — 11:34 UA1928 United Airlines
Chicago — San Diego
4h 35m
Find flight
from$371
09:00 — 11:35
09:00 — 11:35 UA1334 United Airlines
Chicago — San Diego
4h 35m
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from$317
10:05 — 12:26
10:05 — 12:26 AS4232 Alaska Airlines
Chicago — San Diego
4h 21m
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from$373
13:02 — 15:32
13:02 — 15:32 UA2683 United Airlines
Chicago — San Diego
4h 30m
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from$317
16:20 — 18:51
16:20 — 18:51 UA2080 United Airlines
Chicago — San Diego
4h 31m
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from$317
16:20 — 19:00
16:20 — 19:00 UA2184 United Airlines
Chicago — San Diego
4h 40m
Find flight
from$338
16:20 — 18:51
16:20 — 18:51 UA1631 United Airlines
Chicago — San Diego
4h 31m
Find flight
from$371
16:55 — 19:13
16:55 — 19:13 AS4231 Alaska Airlines
Chicago — San Diego
4h 18m
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from$373
19:45 — 22:30
19:45 — 22:30 UA2154 United Airlines
Chicago — San Diego
4h 45m
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from$338
19:50 — 22:22
19:50 — 22:22 UA2735 United Airlines
Chicago — San Diego
4h 32m
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from$317
19:55 — 22:30
19:55 — 22:30 UA1773 United Airlines
Chicago — San Diego
4h 35m
Find flight
from$334
20:15 — 22:47
20:15 — 22:47 UA1182 United Airlines
Chicago — San Diego
4h 32m
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from$371
21:09 — 23:30
21:09 — 23:30 AS4762 Alaska Airlines
Chicago — San Diego
4h 21m
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from$372
06:00 — 23:56
10:57 — 12:46 F93173 Frontier Airlines
Chicago — Denver
14h 45m stop
09:45 — 11:15 F94927 Frontier Airlines
Denver — San Diego
19h 56m
including layover
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from$62
06:05 — 12:18
09:45 — 11:33 F92209 Frontier Airlines
Chicago — Denver
3h 1m stop
10:15 — 11:41 F94927 Frontier Airlines
Denver — San Diego
8h 13m
including layover
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from$62
07:00 — 14:27
07:00 — 09:49 F91887 Frontier Airlines
Chicago — Dallas
3h 17m stop
13:06 — 14:27 F91425 Frontier Airlines
Dallas — San Diego
9h 27m
including layover
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from$82
07:25 — 18:26
07:15 — 09:05 F92209 Frontier Airlines
Chicago — Denver
7h 48m stop
22:15 — 23:49 F94989 Frontier Airlines
Denver — San Diego
13h 1m
including layover
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from$65
08:15 — 12:41
09:45 — 11:33 F92209 Frontier Airlines
Chicago — Denver
53m stop
05:35 — 07:05 F92817 Frontier Airlines
Denver — San Diego
6h 26m
including layover
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from$65
08:15 — 23:52
08:15 — 10:08 F92209 Frontier Airlines
Chicago — Denver
12h 7m stop
22:15 — 23:52 F94993 Frontier Airlines
Denver — San Diego
17h 37m
including layover
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from$67
09:35 — 14:59
09:35 — 12:09 F93143 Frontier Airlines
Chicago — Dallas
1h 31m stop
13:40 — 14:59 F91769 Frontier Airlines
Dallas — San Diego
7h 24m
including layover
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from$65
09:45 — 23:56
09:45 — 11:33 F92209 Frontier Airlines
Chicago — Denver
10h 57m stop
22:30 — 23:56 F92711 Frontier Airlines
Denver — San Diego
16h 11m
including layover
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from$62
11:55 — 16:32
11:55 — 13:31 SY260 Sun Country Airlines
Chicago — Minneapolis
1h 9m stop
14:40 — 16:32 SY407 Sun Country Airlines
Minneapolis — San Diego
6h 37m
including layover
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from$128
12:43 — 19:10
12:43 — 15:07 F92329 Frontier Airlines
Chicago — Las Vegas
2h 45m stop
17:52 — 19:10 F91465 Frontier Airlines
Las Vegas — San Diego
8h 27m
including layover
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from$64
12:57 — 21:36
12:57 — 15:02 NK188 Spirit Airlines
Chicago — Las Vegas
5h 19m stop
20:21 — 21:36 NK3791 Spirit Airlines
Las Vegas — San Diego
10h 39m
including layover
Find flight
from$146
13:09 — 18:02
13:09 — 15:14 NK188 Spirit Airlines
Chicago — Las Vegas
1h 30m stop
16:44 — 18:02 NK2907 Spirit Airlines
Las Vegas — San Diego
6h 53m
including layover
Find flight
from$85
14:01 — 20:48
14:01 — 17:10 F91735 Frontier Airlines
Chicago — Phoenix
3h 15m stop
20:25 — 20:48 F91571 Frontier Airlines
Phoenix — San Diego
8h 47m
including layover
Find flight
from$82
15:20 — 20:06
20:25 — 22:49 F92145 Frontier Airlines
Chicago — Las Vegas
1h 18m stop
17:52 — 19:10 F91465 Frontier Airlines
Las Vegas — San Diego
6h 46m
including layover
Find flight
from$82
15:21 — 22:17
15:21 — 17:28 NK2859 Spirit Airlines
Chicago — Las Vegas
3h 37m stop
21:05 — 22:17 NK1496 Spirit Airlines
Las Vegas — San Diego
8h 56m
including layover
Find flight
from$117
16:40 — 23:56
10:57 — 12:46 F93173 Frontier Airlines
Chicago — Denver
3h 59m stop
22:30 — 23:56 F92711 Frontier Airlines
Denver — San Diego
9h 16m
including layover
Find flight
from$65
16:40 — 07:01
+1 day
12:21 — 14:11 F93173 Frontier Airlines
Chicago — Denver
11h stop
05:35 — 07:05 F92817 Frontier Airlines
Denver — San Diego
16h 21m
including layover
Find flight
from$65
18:13 — 11:15
+1 day
18:13 — 20:00 F91227 Frontier Airlines
Chicago — Denver
13h 45m stop
09:45 — 11:15 F94927 Frontier Airlines
Denver — San Diego
19h 2m
including layover
Find flight
from$62
18:48 — 06:24
+1 day
16:48 — 18:39 F91483 Frontier Airlines
Chicago — Denver
8h 29m stop
11:01 — 12:38 F92817 Frontier Airlines
Denver — San Diego
13h 36m
including layover
Find flight
from$85
19:30 — 10:05
+1 day
19:30 — 21:48 F92145 Frontier Airlines
Chicago — Las Vegas
11h stop
08:48 — 10:05 F91469 Frontier Airlines
Las Vegas — San Diego
16h 35m
including layover
Find flight
from$85
20:54 — 07:46
+1 day
20:54 — 23:24 F92881 Frontier Airlines
Chicago — Dallas
7h 21m stop
06:45 — 07:46 F91425 Frontier Airlines
Dallas — San Diego
12h 52m
including layover
Find flight
from$85
20:56 — 07:42
+1 day
20:50 — 00:05 F91827 Frontier Airlines
Chicago — Phoenix
7h 14m stop
07:25 — 07:42 F92083 Frontier Airlines
Phoenix — San Diego
12h 46m
including layover
Find flight
from$87
21:09 — 07:42
+1 day
21:09 — 00:13 F91735 Frontier Airlines
Chicago — Phoenix
7h 12m stop
07:25 — 07:42 F92083 Frontier Airlines
Phoenix — San Diego
12h 33m
including layover
Find flight
from$84
22:00 — 10:05
+1 day
22:00 — 23:59 F92329 Frontier Airlines
Chicago — Las Vegas
8h 49m stop
08:48 — 10:05 F91469 Frontier Airlines
Las Vegas — San Diego
14h 5m
including layover
Find flight
from$85
22:13 — 06:40
+1 day
22:13 — 00:21 NK330 Spirit Airlines
Chicago — Las Vegas
5h 9m stop
05:30 — 06:40 NK1496 Spirit Airlines
Las Vegas — San Diego
10h 27m
including layover
Find flight
from$85
13:09 — 06:40
+1 day
13:09 — 16:57 NK1146 Spirit Airlines
Chicago — Orlando
3h 33m stop
20:30 — 22:41 NK1852 Spirit Airlines
Orlando — Las Vegas
6h 49m stop
05:30 — 06:40 NK1496 Spirit Airlines
Las Vegas — San Diego
19h 31m
including layover
Find flight
from$146
17:41 — 06:40
+1 day
13:40 — 17:46 NK1 Spirit Airlines
Chicago — Miami
1h 13m stop
20:30 — 23:06 NK777 Spirit Airlines
Miami — Las Vegas
3h 53m stop
05:30 — 06:40 NK1496 Spirit Airlines
Las Vegas — San Diego
14h 59m
including layover
Find flight
from$135
19:46 — 12:20
+1 day
19:46 — 23:54 NK158 Spirit Airlines
Chicago — Miami
6h 26m stop
06:20 — 08:54 NK866 Spirit Airlines
Miami — Las Vegas
2h 8m stop
11:02 — 12:20 NK1475 Spirit Airlines
Las Vegas — San Diego
18h 34m
including layover
Find flight
from$135
*Departure and arrival times - local. Updated on April 4, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from Chicago to San Diego depends on and how to choose the most interesting flight option for you.

Distance between Chicago and San Diego is 2788 miles. Time difference between the cities is 2h. Airplanes depart 05:15 to 22:47 from 7 Chicago airports and arrive 05:15 to 22:47 to 11 San Diego airports. Average flight time is 4h 32m.

  • The fastest flight 4h 18m
  • Average flight time 4h 32m
  • The earliest flight 05:15
  • The latest flight 22:47
  • Distance 1733 ml

The cheapest months to travel to San Diego are november (from 62 $), december (from 64 $), january (from 65 $).

The most expensive months are february (from 85 $), january (from 65 $), december (from 64 $).

What is the lowest airfare Chicago to San Diego?

The cheapest plane ticket found by our users is $62. This airfare is for economy class on one-way F93173 flight by Frontier Airlines for December 2, 2024 which leaves O'Hare International in Chicago at 06:00 am and arrives at San Diego San Diego at 23:56.

Economy class
$62
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Business class
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First class
?
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Popular Airlines on the Route

The flight Chicago — San Diego is served by 7 regular airlines and 5 low-cost airlines. Most of the flights on this route are operated by United Airlines - 135 departures per week at the price of from $ 241 . And the most expensive tickets are offered by United Airlines airline - from $ 490.

Direct flights

There are 15 nonstop flights on the route. The fastest direct flight is AS4231 by Alaska Airlines takes 4h 18m and the cheapest is F93173 by Frontier Airlines for $317.

See more direct flights

Connecting Flights

There are 265 flights with layovers on the route. The fastest connecting flight is UA1803 by United Airlines takes 6h 3m and the cheapest is F93173 by Frontier Airlines for $62.

  • from $241
    Find
  • AS - Alaska Airlines
    from $185
    Find
  • F9 - Frontier Airlines
    from $62
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  • PD - Porter Airlines
    from $446
    Find
  • SY - Sun Country Airlines
    from $128
    Find
  • NK - Spirit Airlines
    from $85
    Find
  • TS - Air Transat
    from $479
    Find
See more connecting flights

Airports

You can fly from Chicago to San Diego from 7 airports (O'Hare International, Midway, Dupage County, Chicago FSS, Merrill C Meigs (closed), Pal-Waukee, Chicago NAS).

Chicago airports

  • O'Hare International-ORD
    from $62
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  • Midway-MDW
    from $62
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  • Dupage County-DPA
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  • Chicago FSS-CHI
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  • Merrill C Meigs (closed)-CGX
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  • Pal-Waukee-PWK
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  • Chicago NAS-NOH
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San Diego airports

  • San Diego-SAN
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  • San Diego Regional-USA
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  • Gillespie Field-SEE
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  • Golden Triangle Reg.-GTR
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  • El Cajon-CJN
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  • Lowndes County-UBS
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  • Miramar NAS-NKX
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  • Montgomery Field-MYF
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  • North Island NAS-NZY
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  • Brown Field Municipal-SDM
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  • AFB-CBM
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How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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