Our cheapest offers for flights from Chicago to San Francisco

Here you can compare cheap flights from Chicago (CHI) to San Francisco (SFO) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to San Francisco. Prices and availability may change at any time.

	Outbound	Return	Airlines	Baggage	Price
Chicago San Francisco	Outbound 06/03/26 1 Stopover (SAN) AS1447, AS1406 08h 02min	Return 06/10/26 1 Stopover (PDX) AS0525, AS0376 08h 06min	Alaska Airlines	?	$282
Best option Chicago San Francisco	Outbound 03/28/26 direct AA1983 04h 59min	Return 04/25/26 direct AA1557 04h 44min	American Airlines	?	$333
Chicago San Francisco Please note: transfer for connecting flight	Outbound 06/03/26 2 Stopovers (LGA, JFK, MSP) NK0932, SY0566, SY0395 34h 14min	Return 06/10/26 1 Stopover (MSP) SY0396, SY0261 23h 05min	Spirit Airlines, Sun Country Airlines		$433
Chicago San Francisco	Outbound 06/03/26 1 Stopover (SAN) AS1447, AS1406 08h 02min	Return 06/10/26 1 Stopover (SAN) AS3426, AS1478 07h 37min	Alaska Airlines		$293
Chicago San Francisco	Outbound 06/03/26 1 Stopover (SAN) AS1470, AS3013 10h 01min	Return 06/10/26 1 Stopover (SAN) AS3426, AS1478 07h 37min	Alaska Airlines	?	$305
Chicago San Francisco	Outbound 06/03/26 1 Stopover (SAN) AS1447, AS1406 08h 02min	Return 06/10/26 1 Stopover (SEA) AS0620, AS0346 09h 57min	Alaska Airlines	?	$310
Chicago San Francisco	Outbound 04/03/26 1 Stopover (SAN) AS1447, AS0754 10h 47min	Return 04/16/26 1 Stopover (PDX) AS0525, AS0170 08h 17min	Alaska Airlines	?	$352
Chicago San Francisco	Outbound 03/28/26 direct AA1983 04h 59min	Return 04/25/26 1 Stopover (LAX) F92858, F92446 10h 01min	American Airlines	?	$381
Chicago San Francisco	Outbound 03/28/26 1 Stopover (DEN) F91483, F93439 08h 28min	Return 04/25/26 1 Stopover (LAS) F91850, F92146 14h 46min	Frontier Airlines		$383
Chicago San Francisco	Outbound 06/03/26 1 Stopover (SAN) AS1470, AS3463 26h 33min	Return 06/10/26 1 Stopover (SAN) AS3426, AS1478 07h 37min	Alaska Airlines	?	$395

Tips and tricks to help you find cheap flights from Chicago to San Francisco

Useful information about the flight from Chicago to San Francisco

Flights from Chicago to San Francisco

The flight route from Chicago (CHI) to San Francisco (SFO) is popular among all sorts of travelers- both business passengers and those simply seeking the refuge of Californian weather- with between 17 and 26 flights daily. It will take you just under 5 hours to travel the 1850 miles across the country. Airlines offering a direct flight are: American, Virgin America, Southwest and United.

Cheap flights

There are several airlines offering a low-cost air ticket option so that you can have more to spend on your trip. For the lowest price, book flight tickets as far in advance as possible, while trying to avoid weekends and popular vacation times. Comparing prices on a flight price comparison will also help you find the lowest price.

Destination San Francisco

Once you have landed, getting around town is easy and, given that it's San Francisco, often stylish. A rail service is operated by BART in the form of express trains that go to the north, to downtown as well as East Bay. The railway station can be found near the International Terminal and can be reached by riding the AirTrain. Caltrain provides rail service between San Francisco and San Jose, with weekday commute-hour service to Gilroy. Buses, taxis and shuttles will also take passengers from the airport to various destinations in the region.

Important flight information

Flight information: Chicago - San Francisco

Roundtrip from	$ 281,40
Flight duration	min. 04:33 / max. 11:40
Return flight duration	min. 03:53/ max. 07:10
Distance	2990 km
Flights per week	134
Departure airport	Airport Chicago-IL, all airports (CHI)
Arrival airport	Airport San Francisco International Airport, CA (SFO)
Destination country	Flights to United States

Alternative routes to United States