United Airlines Chicago to San Diego Flights

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Cheapflightsplus.com will find cheap United Airlines flights from Chicago to San Diego. Compare airline ticket prices and book air tickets starting from $262 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of United Airlines, arrivals and departure details below.

Find Cheap Airfare Chicago (IL) — San Diego (CA) by United Airlines

To find cheap tickets choose a day of your departure with attractive price on the graph below and click «Find flights». For round trip flights please click «Check prices for return flight». The cheapest airfare is in may: one-way - $262, two-way – $449.

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Cheap Flights from Chicago to San Diego by United Airlines

Look at the list of plane tickets for the most popular direct and connecting flights by United Airlines, their prices start from $262. The fastest nonstop flight takes 4h 30m. The fastest connecting flight — 6h 3m.

Price	Departure	Arrival	Flight Time	Airline	Flight
from $345 Find flight	1:02 pm Chicago O'Hare International	3:32 pm San Diego San Diego	4h 30m	United Airlines	UA2683
from $403 Find flight	8:59 am Chicago O'Hare International	11:34 am San Diego San Diego	4h 35m	United Airlines	UA1928
from $262 Find flight	9:36 pm Chicago O'Hare International	9:28 am+1 день San Diego San Diego	13h 52m layover 8h 41m - Denver	United Airlines	UA2485 UA2309
from $286 Find flight	7:10 am Chicago O'Hare International	8:53 pm San Diego San Diego	15h 43m layover 10h 25m - Denver	United Airlines	UA711 UA540
from $288 Find flight	12:45 pm Chicago O'Hare International	8:53 pm San Diego San Diego	10h 8m layover 4h 51m - Denver	United Airlines	UA2311 UA540
from $293 Find flight	2:39 pm Chicago O'Hare International	10:30 pm San Diego San Diego	9h 51m layover 4h 30m - Denver	United Airlines	UA310 UA778
from $293 Find flight	10:35 am Chicago O'Hare International	10:30 pm San Diego San Diego	13h 55m layover 8h 32m - Denver	United Airlines	UA1803 UA778
from $301 Find flight	8:20 pm Chicago O'Hare International	8:37 am+1 день San Diego San Diego	14h 17m layover 7h 52m - San Francisco	United Airlines	UA210 UA1640
from $313 Find flight	8:45 am Chicago O'Hare International	8:39 pm San Diego San Diego	13h 54m layover 7h 27m - San Francisco	United Airlines	UA1387 UA2633
from $313 Find flight	2:35 pm Chicago O'Hare International	0:14 am+1 день San Diego San Diego	11h 39m layover 5h 5m - San Francisco	United Airlines	UA1577 UA2201
from $360 Find flight	2:25 pm Chicago O'Hare International	8:22 pm San Diego San Diego	7h 57m layover 1h 27m - San Francisco	United Airlines	UA1165 UA298
from $300 Find flight	12:45 pm Chicago O'Hare International	11:58 pm San Diego San Diego	13h 13m layover 5h 9m - Denver 1h 34m - Los Angeles	United Airlines	UA1491 UA1368 UA5612
from $308 Find flight	10:35 am Chicago O'Hare International	9:22 pm San Diego San Diego	12h 47m layover 0h 58m - Denver 4h 31m - San Francisco	United Airlines	UA1803 UA1812 UA1395
from $308 Find flight	10:35 am Chicago O'Hare International	10:27 pm San Diego San Diego	13h 52m layover 0h 58m - Denver 5h 36m - San Francisco	United Airlines	UA1803 UA1812 UA214
from $312 Find flight	12:45 pm Chicago O'Hare International	11:58 pm San Diego San Diego	13h 13m layover 5h 11m - Denver 1h 36m - Los Angeles	United Airlines	UA2311 UA1368 UA5612
from $496 Find flight	8:15 pm Chicago O'Hare International	9:48 am+1 день San Diego San Diego	15h 33m layover 7h 48m - Las Vegas 1h 16m - Los Angeles	United Airlines	UA2347 UA2650 UA4643

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*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 04/28/2025

United Airlines Flight Schedule Chicago to San Diego

Below is a detailed 2025 flight schedule for today, tomorrow and all other days. It may vary depending on season and a day of the week of your desired trip. We recommend booking your itinerary at least 2 weeks prior your travel to get the best price and availability by the airline.

Departure	Flight Details	Flight Time	Price
1:02 pm — 3:32 pm	1:02 pm — 3:32 pm UA2683 United Airlines Chicago — San Diego	4h 30m	Find flight from$345
4:20 pm — 6:51 pm	4:20 pm — 6:51 pm UA2080 United Airlines Chicago — San Diego	4h 31m	Find flight from$345
4:20 pm — 7:00 pm	4:20 pm — 7:00 pm UA2184 United Airlines Chicago — San Diego	4h 40m	Find flight from$367
4:20 pm — 6:51 pm	4:20 pm — 6:51 pm UA1631 United Airlines Chicago — San Diego	4h 31m	Find flight from$403
7:10 am — 9:45 am	7:10 am — 9:45 am UA1382 United Airlines Chicago — San Diego	4h 35m	Find flight from$403
7:45 pm — 10:30 pm	7:45 pm — 10:30 pm UA2154 United Airlines Chicago — San Diego	4h 45m	Find flight from$367
7:50 pm — 10:22 pm	7:50 pm — 10:22 pm UA2735 United Airlines Chicago — San Diego	4h 32m	Find flight from$345
7:55 pm — 10:30 pm	7:55 pm — 10:30 pm UA1773 United Airlines Chicago — San Diego	4h 35m	Find flight from$362
8:15 pm — 10:47 pm	8:15 pm — 10:47 pm UA1182 United Airlines Chicago — San Diego	4h 32m	Find flight from$403
8:50 am — 11:28 am	8:50 am — 11:28 am UA660 United Airlines Chicago — San Diego	4h 38m	Find flight from$362
8:59 am — 11:34 am	8:59 am — 11:34 am UA1928 United Airlines Chicago — San Diego	4h 35m	Find flight from$403
9:00 am — 11:35 am	9:00 am — 11:35 am UA1334 United Airlines Chicago — San Diego	4h 35m	Find flight from$345
10:35 am — 10:30 pm	10:35 am — 12:28 pm UA1803 United Airlines Chicago — Denver 8h 32m stop 9:00 pm — 10:30 pm UA778 United Airlines Denver — San Diego	13h 55m including layover	Find flight from$293
11:51 am — 11:28 pm	11:51 am — 3:06 pm UA2133 United Airlines Chicago — Newark 5h 17m stop 8:23 pm — 11:28 pm UA1726 United Airlines Newark — San Diego	13h 37m including layover	Find flight from$339
12:45 pm — 8:53 pm	12:45 pm — 2:34 pm UA2311 United Airlines Chicago — Denver 4h 51m stop 7:25 pm — 8:53 pm UA540 United Airlines Denver — San Diego	10h 8m including layover	Find flight from$288
12:45 pm — 9:10 pm	12:45 pm — 2:36 pm UA1491 United Airlines Chicago — Denver 5h 4m stop 7:40 pm — 9:10 pm UA540 United Airlines Denver — San Diego	10h 25m including layover	Find flight from$293
1:15 pm — 10:28 pm	1:15 pm — 3:05 pm UA1882 United Airlines Chicago — Denver 5h 55m stop 9:00 pm — 10:28 pm UA765 United Airlines Denver — San Diego	11h 13m including layover	Find flight from$346
2:35 pm — 0:14 am +1 day	2:35 pm — 5:30 pm UA1577 United Airlines Chicago — San Francisco 5h 5m stop 10:35 pm — 0:14 am UA2201 United Airlines San Francisco — San Diego	11h 39m including layover	Find flight from$313
2:39 pm — 10:30 pm	2:39 pm — 4:30 pm UA310 United Airlines Chicago — Denver 4h 30m stop 9:00 pm — 10:30 pm UA778 United Airlines Denver — San Diego	9h 51m including layover	Find flight from$293
3:35 pm — 7:53 pm	3:35 pm — 6:13 pm UA2669 United Airlines Chicago — Los Angeles 37m stop 6:50 pm — 7:53 pm UA5415 United Airlines Los Angeles — San Diego	6h 18m including layover	Find flight from$357
3:50 pm — 9:47 pm	3:50 pm — 6:49 pm UA2617 United Airlines Chicago — Houston 1h 28m stop 8:17 pm — 9:47 pm UA2674 United Airlines Houston — San Diego	7h 57m including layover	Find flight from$357
4:10 pm — 10:27 pm	4:10 pm — 6:50 pm UA2409 United Airlines Chicago — San Francisco 2h stop 8:50 pm — 10:27 pm UA214 United Airlines San Francisco — San Diego	8h 17m including layover	Find flight from$357
5:45 am — 11:00 am	5:45 am — 8:42 am UA2437 United Airlines Chicago — Houston 48m stop 9:30 am — 11:00 am UA2491 United Airlines Houston — San Diego	7h 15m including layover	Find flight from$357
5:45 am — 11:07 am	5:45 am — 8:44 am UA2622 United Airlines Chicago — Houston 46m stop 9:30 am — 11:07 am UA2491 United Airlines Houston — San Diego	7h 22m including layover	Find flight from$374
6:00 pm — 11:58 pm	6:00 pm — 8:37 pm UA1755 United Airlines Chicago — Los Angeles 2h 18m stop 10:55 pm — 11:58 pm UA5612 United Airlines Los Angeles — San Diego	7h 58m including layover	Find flight from$360
6:50 am — 12:27 pm	6:50 am — 9:38 am UA1962 United Airlines Chicago — San Francisco 1h 12m stop 10:50 am — 12:27 pm UA1998 United Airlines San Francisco — San Diego	7h 37m including layover	Find flight from$357
7:10 am — 8:53 pm	7:10 am — 9:00 am UA711 United Airlines Chicago — Denver 10h 25m stop 7:25 pm — 8:53 pm UA540 United Airlines Denver — San Diego	15h 43m including layover	Find flight from$286
7:10 am — 5:25 pm	7:10 am — 9:00 am UA711 United Airlines Chicago — Denver 6h 55m stop 4:00 pm — 5:28 pm UA1281 United Airlines Denver — San Diego	12h 15m including layover	Find flight from$319
8:20 pm — 8:37 am +1 day	8:20 pm — 11:08 pm UA210 United Airlines Chicago — San Francisco 7h 52m stop 7:00 am — 8:37 am UA1640 United Airlines San Francisco — San Diego	14h 17m including layover	Find flight from$301
8:45 am — 8:39 pm	8:45 am — 11:33 am UA1387 United Airlines Chicago — San Francisco 7h 27m stop 7:00 pm — 8:39 pm UA2633 United Airlines San Francisco — San Diego	13h 54m including layover	Find flight from$313
9:36 pm — 9:28 am +1 day	7:40 pm — 9:29 pm UA2485 United Airlines Chicago — Denver 8h 41m stop 8:05 am — 9:33 am UA2309 United Airlines Denver — San Diego	13h 52m including layover	Find flight from$262
10:35 am — 9:22 pm	10:35 am — 12:27 pm UA1803 United Airlines Chicago — Denver 58m stop 1:25 pm — 3:14 pm UA1812 United Airlines Denver — San Francisco 4h 31m stop 7:45 pm — 9:22 pm UA1395 United Airlines San Francisco — San Diego	12h 47m including layover	Find flight from$308

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times are local. Last updated on 04/28/2025

Flight Information

There are 12 flights by United Airlines from Chicago to San Diego every week with departures from Chicago FSS, Midway, O'Hare International, Chicago NAS, Merrill C Meigs (closed), Dupage County, Pal-Waukee. All flights arrive at San Diego, AFB, Golden Triangle Reg., Lowndes County, San Diego Regional, El Cajon, Montgomery Field, Miramar NAS, North Island NAS, Brown Field Municipal, Gillespie Field.

Departures start from 10:35 am to 9:36 pm. Nonstop flight is 4h 30m. The time difference between Chicago and San Diego is 2h.

The fastest flight 4h 30m
Average flight time 4h 35m
The earliest flight 10:35 am
The latest flight 9:36 pm
Distance 1733 ml

The cheapest months for traveling to San Diego are december (from 262 $), january (from 293 $), february (from 293 $).

The most expensive and popular months are november (from 338 $), february (from 293 $), january (from 293 $).

The cheapest flight by United Airlines that our users were able to find is $262. This airfare is economy class on one-way UA2485 flight for December 13, 2024 leaving O'Hare International in Chicago at 9:36 pm, it includes all taxes and additional fees.

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United Airlines Airplanes on the Route

List of the most popular United Airlines airplanes flying from Chicago to San Diego:

Other Popular Airlines on the Route

Besides United Airlines there are other 6 airline carriers between Chicago and San Diego. Please review schedules and prices from the most popular airlines to find the best airfare deals from Chicago to San Diego.

Nonstop flights

There are 15 direct flights every day from Chicago. Airlines and fares are below:

AS - Alaska Airlines

from $404

Find

See more direct flights

Connecting Flights

List of flights with layovers (1 and more stops):

AS - Alaska Airlines

from $201

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F9 - Frontier Airlines

from $67

Find
PD - Porter Airlines

from $485

Find
SY - Sun Country Airlines

from $139

Find
NK - Spirit Airlines

from $92

Find
TS - Air Transat

from $521

Find

See more connecting flights

How to book an air ticket yourself?

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