Skip to content

Get United's best fares today on flights from Chicago to San Diego from *

Select journey type

Enter to select travel class and passengers

Low fare calendar for flights from Chicago (ORD) to San Diego (SAN)

Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
1
2
3
4
5
6
7
8
9
10
11
12
from
$642*
Viewed:20 hours ago
Economy
Return:12/15/19
13
from
$121*
Viewed:7 hours ago
Economy
Return:12/20/19
14
from
$229*
Viewed:7 hours ago
Economy
Return:12/28/19
15
from
$121*
Viewed:7 hours ago
Economy
Return:12/29/19
16
from
$121*
Viewed:7 hours ago
Economy
Return:12/30/19
17
from
$236*
Viewed:9 hours ago
Economy
Return:01/07/20
18
from
$121*
Viewed:7 hours ago
Economy
Return:01/01/20
19
from
$209*
Viewed:7 hours ago
Economy
Return:12/25/19
20
from
$121*
Viewed:7 hours ago
Economy
Return:12/27/19
21
from
$121*
Viewed:7 hours ago
Economy
Return:12/28/19
22
from
$121*
Viewed:7 hours ago
Economy
Return:12/29/19
23
from
$297*
Viewed:7 hours ago
Economy
Return:01/06/20
24
from
$297*
Viewed:7 hours ago
Economy
Return:01/07/20
25
from
$121*
Viewed:7 hours ago
Economy
Return:01/08/20
26
from
$121*
Viewed:7 hours ago
Economy
Return:01/09/20
27
from
$297*
Viewed:7 hours ago
Economy
Return:01/10/20
28
from
$121*
Viewed:7 hours ago
Economy
Return:01/11/20
29
from
$297*
Viewed:7 hours ago
Economy
Return:01/12/20
30
from
$121*
Viewed:7 hours ago
Economy
Return:01/13/20
31
from
$121*
Viewed:7 hours ago
Economy
Return:01/14/20
from
$297*
Viewed:7 hours ago
Economy
Return:01/15/20
from
$121*
Viewed:7 hours ago
Economy
Return:01/09/20
from
$121*
Viewed:7 hours ago
Economy
Return:01/17/20
from
$121*
Viewed:7 hours ago
Economy
Return:01/18/20
Lowest PriceToday
*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Looking for additional flights from Chicago to San Diego?

FromToDatesFare TypePrice

Chicago (ORD)

San Diego (SAN)

Depart: 12/15/19

Return: 12/29/19

Roundtrip
from
$121*
Viewed:6hoursago

Chicago (ORD)

San Diego (SAN)

Depart: 12/18/19

Return: 01/01/20

Roundtrip
from
$121*
Viewed:6hoursago

Chicago (ORD)

San Diego (SAN)

Depart: 12/16/19

Return: 12/30/19

Roundtrip
from
$121*
Viewed:6hoursago

Chicago (ORD)

San Diego (SAN)

Depart: 12/31/19

Return: 01/14/20

Roundtrip
from
$121*
Viewed:6hoursago

Chicago (ORD)

San Diego (SAN)

Depart: 12/30/19

Return: 01/13/20

Roundtrip
from
$121*
Viewed:6hoursago

Chicago (ORD)

San Diego (SAN)

Depart: 01/03/20

Return: 01/17/20

Roundtrip
from
$121*
Viewed:6hoursago

Chicago (ORD)

San Diego (SAN)

Depart: 12/28/19

Return: 01/11/20

Roundtrip
from
$121*
Viewed:6hoursago

Chicago (ORD)

San Diego (SAN)

Depart: 12/26/19

Return: 01/09/20

Roundtrip
from
$121*
Viewed:6hoursago

Chicago (ORD)

San Diego (SAN)

Depart: 01/04/20

Return: 01/18/20

Roundtrip
from
$121*
Viewed:6hoursago

Chicago (ORD)

San Diego (SAN)

Depart: 01/05/20

Return: 01/19/20

Roundtrip
from
$121*
Viewed:6hoursago

*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Weather in San Diego

Thursday overcast clouds
62°F 12/12/19
Friday sky is clear
68°F 12/13/19
Saturday scattered clouds
62°F 12/14/19
Sunday light rain
58°F 12/15/19
Monday few clouds
58°F 12/16/19
Tuesday broken clouds
58°F 12/17/19
Wednesday overcast clouds
57°F 12/18/19
Powered by: OpenWeatherMap.org