$134 Cheap United flights Chicago (ORD) to San Diego (SAN)

View $134 flight on Sun, Apr 5, 2026Opens in a new window

$134 Cheap United flights Chicago (ORD) to San Diego (SAN)

Prices were available within the past 7 days and start at $134 for one-way flights and $232 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, Apr 5 - Sat, Apr 11
ORD
Chicago
SAN
San Diego
$232 Roundtrip, found 10 hours ago
$232
Roundtrip
found 10 hours ago
Select United flight, departing Sun, Apr 5 from Chicago to San Diego, returning Sat, Apr 11, priced at $232 found 10 hours ago
United
Sun, Apr 5 - Sat, Apr 11
ORD
Chicago
SAN
San Diego
$242 Roundtrip, found 10 hours ago
$242
Roundtrip
found 10 hours ago
Select United flight, departing Sun, Apr 5 from Chicago to San Diego, returning Sat, Apr 11, priced at $242 found 10 hours ago
United
Tue, Mar 17 - Sat, Mar 21
ORD
Chicago
SAN
San Diego
$247 Roundtrip, found 1 day ago
$247
Roundtrip
found 1 day ago
Select United flight, departing Tue, Mar 17 from Chicago to San Diego, returning Sat, Mar 21, priced at $247 found 1 day ago
United
Sun, Apr 5 - Sat, Apr 11
ORD
Chicago
SAN
San Diego
$259 Roundtrip, found 10 hours ago
$259
Roundtrip
found 10 hours ago
Select United flight, departing Sun, Apr 5 from Chicago to San Diego, returning Sat, Apr 11, priced at $259 found 10 hours ago

Find the cheapest month to fly from Chicago (ORD) to San Diego (SAN)

February is typically the cheapest month to fly

From $91 - $166 per traveler.

Alternative airports near San Diego

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Diego Intl. SAN. Cheapest and Closest option available. Average driving time to city center is 5 minutes. Flights from $195
SAN
San Diego Intl.
CheapestClosest
Average driving time to city center5 min
Flights from $195
Flights from Chicago (ORD) to San Diego (SAN)
Origin airport
O'Hare Intl.
Destination airport
San Diego Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, United
Popular airline
Delta
Distance
2752 km
Average flight time
3 hours 1 min