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
Best option Chicago San Francisco	Outbound 06/18/25 direct AS0597 04h 48min	Return 07/15/25 direct AS0598 04h 23min	Alaska Airlines	?	$218
Chicago San Francisco Pay attention to transfer at connecting flight	Outbound 10/18/25 3 Stopovers (FLL, DTW, MSP) NK0019, NK0710, NK2388, SY0395 37h 58min	Return 10/24/25 2 Stopovers (MSP, MIA) SY0396, SY0415, NK3203 26h 32min	Spirit Airlines, Sun Country Airlines		$412
Chicago San Francisco	Outbound 06/07/25 direct AS0597 04h 50min	Return 06/23/25 direct AA2113 04h 15min	Alaska Airlines	?	$220
Chicago San Francisco	Outbound 09/19/25 direct AS0597 04h 50min	Return 09/29/25 direct AS0598 04h 27min	Alaska Airlines	?	$222
Chicago San Francisco	Outbound 06/18/25 direct AS0597 04h 48min	Return 07/15/25 direct AS0598 04h 23min	Alaska Airlines		$229
Chicago San Francisco	Outbound 06/18/25 direct HA6302 04h 48min	Return 07/15/25 direct HA7000 04h 23min	Hawaiian Airlines		$231
Chicago San Francisco	Outbound 06/18/25 direct AS0597 04h 48min	Return 07/15/25 direct AS0598 04h 23min	Alaska Airlines	?	$235
Chicago San Francisco	Outbound 06/08/25 1 Stopover (DEN) F91483, F91229 11h 39min	Return 06/12/25 1 Stopover (ATL) F91448, F91441 09h 38min	Frontier Airlines	?	$235
Chicago San Francisco	Outbound 09/04/25 direct AA2708 04h 34min	Return 09/28/25 1 Stopover (SEA) AS0922, AS0328 07h 44min	American Airlines	?	$236
Chicago San Francisco	Outbound 10/18/25 1 Stopover (PDX) AS0413, AS0128 07h 41min	Return 10/24/25 1 Stopover (SEA) AS1043, AS0410 08h 50min	Alaska Airlines	?	$238

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	$217.41
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 (ORD, MDW, RFD) (CHI)
Arrival airport	Airport San Francisco International Airport, CA (SFO)
Destination country	Flights to United States

Alternative routes to United States