Cheap flights from Chicago to San Francisco (CHI - SFO)

Flight FAQs

From Chicago to San Francisco

Are flight prices decreasing from Chicago to San Francisco due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Chicago and San Francisco for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Chicago to San Francisco to control the spread of COVID-19?

Alaska Airlines, Southwest, and Delta are some of the many airlines that have implemented additional safety measures to control the spread of COVID-19. Some of the new policies that have been implemented to accommodate travelers flying from Chicago to San Francisco are improved sanitation, HEPA filters, mask requirements, social distance seating (for a limited time), and pre-flight testing for antibodies and symptoms. Policies will vary by airline.

Which airlines flying from Chicago to San Francisco have flexible cancellations due to COVID-19?

Some of our airline partners flying from Chicago to San Francisco have new flexible policies in place due to COVID-19. United Airlines, American Airlines, and Alaska Airlines are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like United Airlines with this kind of flexibility.

Can I find flights from Chicago to San Francisco for under $100 on Cheapflights?

Yes, there are multiple flights from Chicago to San Francisco for under $100. The cheapest flight booked recently is on Frontier for just $78, but on average you can expect to pay $108.

Are there nonstop flights from Chicago to San Francisco for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from Chicago to San Francisco under $200. A good price for a nonstop flight from Chicago to San Francisco is less than $151.

Are there last-minute flights available from Chicago to San Francisco for under $100?

There are currently 20+ open flights from Chicago to San Francisco within the next 7 days for less than $100.

What days are nonstop flights available from Chicago to San Francisco?

You can find nonstop flights on the following days: Sunday, Tuesday, Thursday, Saturday.

How many flights depart from Chicago to San Francisco on average per day?

On average, you can expect to see 8 flights from Chicago to San Francisco a day.
Afternoon (Noon - 6pm) - 50% of flight departures
Evening (6pm - Midnight) - 50% of flight departures

Is Chicago weather warmer or cooler than San Francisco?

We forecast the temperature to be around the 84 °F's in July, on average. The temperature in San Francisco is generally colder than in Chicago. Book flights in a timely manner in correlation to your departure date.

How long is the flight from Chicago to San Francisco?

Airlines like United Airlines, American Airlines, and Delta fly from Chicago to San Francisco in about 4h 25m. The time it takes to get you to your destination can typically vary by up to 2h 24m. Airlines will cover a distance of 1851 mi. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines flying from Chicago to San Francisco round-trip?

Flying on Frontier is currently your cheapest option to San Francisco, with prices starting at $78. Additional round-trip tickets that might be worth considering are offered by United Airlines and American Airlines, with the lowest prices starting at $125 and $129, respectively. Frontier is 72% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Chicago to San Francisco one-way?

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $34. Users have also found prices from $65 and $74 on Frontier and American Airlines, respectively.