SFO to ORD from $237 in economy

UAUnited Airlines

Round Trip•Economy

SFO

San Francisco International Airport

San Francisco, United States

ORD

O'Hare International Airport

Chicago, United States

$336 USD

-29%$237 USD

Verified about 17 hours ago

December 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

30$325 1$237 2$237 3$237 4$287 5$237 6$327 7$237 8$237 9$237 10$237 11$287 12$260 13$350 14$260 15$260 16$340 17$336 18$383 19$420 20$397 21$368 22$393 23$348 24$237 25$287 26$291 27$327 28$291 29$237 30$237 31$237 1$287 2$291 3$327

Fair Availability

24% of dates checked are available within 10% of the lowest price

Friday, December 18th, 2026

8 round-trip options

Returning

Wed, Dec 23, 2026•5 Day Trip

$444 USD

Google Flights

Returning

Thu, Dec 24, 2026•6 Day Trip

$383 USD

Google Flights

Returning

Fri, Dec 25, 2026•7 Day Trip

$430 USD

Google Flights

Returning

Sun, Dec 27, 2026•9 Day Trip

$734 USD

Google Flights

Returning

Mon, Dec 28, 2026•10 Day Trip

$532 USD

Google Flights

Returning

Tue, Dec 29, 2026•11 Day Trip

$532 USD

Google Flights

Returning

Wed, Dec 30, 2026•12 Day Trip

$444 USD

Google Flights

Returning

Fri, Jan 1, 2027•14 Day Trip

$444 USD

Google Flights

San Francisco (SFO) to Chicago (ORD) flight deal in economy from $237

San Francisco International Airport

O'Hare International Airport

December 2026

Friday, December 18th, 2026