Cheap flights from Chicago to San Diego (CHI - SAN)

Flight FAQs

From Chicago to San Diego

Are flight prices decreasing from Chicago to San Diego 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 Diego 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.

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

Yes, there are multiple flights from Chicago to San Diego for under $100. The cheapest flight booked recently is on Spirit Airlines for just $35, but on average you can expect to pay $37.

Are there nonstop flights from Chicago to San Diego for under $100 on Cheapflights?

Cheapflights has 3 direct flights from Chicago to San Diego under $100. A good price for a nonstop flight from Chicago to San Diego is less than $37.

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

There are currently just 3 open flights from Chicago to San Diego within the next 7 days for less than $100.

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

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

How popular is this flight route?

This flight path from Chicago to San Diego was viewed by 428 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What percent of flights are delayed?

Airlines departing from Chicago to San Diego can be delayed by up to 29min. or more hours.

What is the cheapest airline for this route?

When searching, try setting your filters to view flights for United Parcel Service, Inc., as currently they have the cheapest options available from Chicago to San Diego. On average you can find 15 flights for this flight path daily.

How long does the flight from Chicago to San Diego take?

For nonstop trips expect to fly for about 5 hours. The travel distance is approximately 1,077 miles.

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

92 flight departures from Chicago to San Diego per day on average.
Early Morning (Midnight to 6am) - 3% of flight departures
Morning (6am - Noon) - 28% of flight departures
Afternoon (Noon - 6pm) - 41% of flight departures
Evening (6pm - Midnight) - 27% of flight departures

Is Chicago weather warmer or cooler than San Diego?

Expect the weather to be around 84 °F on average in July. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in San Diego is generally colder than in Chicago.