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.

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

Airlines globally have implemented additional safety measures to accommodate you. Alaska Airlines, Southwest, and Delta are some of the many airlines that have done so. Airline carriers are regularly disinfecting and sanitizing their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially distanced seating (for a limited time) will work towards keeping travelers safer while flying from Chicago to San Diego. Policies will vary by airline.

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

Spirit Airlines, United Airlines, and American Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

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 Major Airline for just $69, but on average you can expect to pay $81.

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

Cheapflights has at least 20 direct flights from Chicago to San Diego under $100. A good price for a nonstop flight from Chicago to San Diego is less than $87.

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

There are currently 20+ 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, Thursday, Friday, Saturday.

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

21 flight departures from Chicago to San Diego per day on average.
Morning (6am - Noon) - 48% of flight departures
Afternoon (Noon - 6pm) - 19% of flight departures
Evening (6pm - Midnight) - 33% 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.

How long is the flight from Chicago to San Diego?

Departing from Chicago to San Diego will take you 4h 13m. The distance from Chicago to San Diego is about 1729 mi. Generally, flights for this route are nonstop.

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

Flying on Major Airline is currently your cheapest option to San Diego, with prices starting at $69. Additional round-trip tickets that might be worth considering are offered by Spirit Airlines and American Airlines, with the lowest prices starting at $71 and $75, respectively. Major Airline is currently priced 68% below the average price you’ll pay for this route.

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

$36 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on American Airlines and Frontier, with prices starting from $38 and $39, respectively.