ORD to SAN from $237 in economy – flightdeals.net

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United Airlines

UAUnited Airlines

Round Trip•Economy

O'Hare International Airport

Chicago, United States

San Diego International Airport

San Diego, United States

$322 USD

-26%$237 USD

Verified about 15 hours ago

December 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

30$313 1$237 2$237 3$319 4$277 5$237 6$267 7$247 8$239 9$247 10$257 11$277 12$247 13$277 14$257 15$247 16$241 17$257 18$340 19$330 20$315 21$249 22$264 23$241 24$290 25$361 26$421 27$443 28$378 29$364 30$327 31$335 1$302 2$315 3$323

Fair Availability

30% of dates checked are available within 10% of the lowest price

Friday, December 18th, 2026

5 round-trip options

Returning

Sat, Dec 26, 2026•8 Day Trip

$404 USD

Returning

Sun, Dec 27, 2026•9 Day Trip

$404 USD

Returning

Mon, Dec 28, 2026•10 Day Trip

$404 USD

Returning

Tue, Dec 29, 2026•11 Day Trip

$340 USD

Returning

Fri, Jan 1, 2027•14 Day Trip

$391 USD