$154 Cheap United flights Chicago (ORD) to San Diego (SAN)

View $154 flight on Sun, May 24, 2026Opens in a new window

$154 Cheap United flights Chicago (ORD) to San Diego (SAN)

Prices were available within the past 7 days and start at $154 for one-way flights and $327 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, Jun 7 - Sun, Jun 14
ORD
Chicago
SAN
San Diego
$327 Roundtrip, found 3 days ago
$327
Roundtrip
found 3 days ago
Select United flight, departing Sun, Jun 7 from Chicago to San Diego, returning Sun, Jun 14, priced at $327 found 3 days ago
United
Sun, Jun 7 - Sun, Jun 14
ORD
Chicago
SAN
San Diego
$337 Roundtrip, found 3 days ago
$337
Roundtrip
found 3 days ago
Select United flight, departing Sun, Jun 7 from Chicago to San Diego, returning Sun, Jun 14, priced at $337 found 3 days ago

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 $300
SAN
San Diego Intl.
CheapestClosest
Average driving time to city center5 min
Flights from $300

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

May is typically the cheapest month to fly

From $160 - $240 per traveler.

Travel information

Origin airport
O'Hare Intl.
Destination airport
San Diego Intl.
Distance
2752 km
Average flight time
2 hours 35 mins

Explore a world of travel with Expedia