Alaska Airlines is selling cheap flights from Chicago to San Francisco for as low as $92 return! That works out to a cost of just 2.5 Cents Per Mile for this 3700 mile journey.

The fare only includes carry-on luggage, so you need to pay extra if you want to check bags.

Our data shows the lowest prices are available in September 2021. See the link(s) below for dates and prices.

Sample date(s) with booking link

Sep 21 – Sep 28 ($92)

Sep 22 – Sep 28 ($92)

Oct 7 – Oct 10 ($92)

Oct 9 – Oct 15 ($92)

Oct 9 – Oct 23 ($92)

Oct 14 – Oct 18 ($92)

Oct 15 – Oct 18 ($92)

Oct 16 – Oct 20 ($92)

Oct 16 – Oct 23 ($92)

Oct 21 – Oct 26 ($92)

Are you looking for an apartment to rent for your stay in San Francisco? Check out what has to offer!

We post many cheap flights like this one from Chicago to San Francisco every single day, so have a look at our Travel Deals page, or check out the related posts below!

Note: Prices are valid at the time of publishing this post, but may change in the future.

COVID-19 Note: During these uncertain times, please make sure to check the relevant Coronavirus restrictions for your destination before you book and before you fly. We recommend also checking the refund policy of the airline, as well as purchasing travel insurance for your trip.