Cheap flights from Illinois (IL) to San Diego (SAN)

Flight FAQs

From Illinois to San Diego

What airport do you fly into for flights to San Diego from Illinois?

Most people fly into San Diego (SAN) if they book a flight to San Diego from Illinois. San Diego is conveniently located just 2.6 mi from San Diego’s city center.

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

Some of our airline partners flying from Illinois to San Diego have new flexible policies in place due to COVID-19. United Airlines, American Airlines, and Spirit 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 Illinois to San Diego for under $200 on Cheapflights?

Yes, there are multiple flights from Illinois to San Diego for under $200. The cheapest flight booked recently is on Spirit Airlines for just $168, but on average you can expect to pay $206.

Are there nonstop flights from Illinois to San Diego for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from Illinois to San Diego under $200. A good price for a nonstop flight from Illinois to San Diego is less than $215.

Are there last-minute flights available from Illinois to San Diego for under $300?

There are currently 20+ open flights from Illinois to San Diego within the next 7 days for less than $300.

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

Nonstop flights are available for this route on the following days: Sunday, Monday, Thursday, Friday, Saturday.

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

On average, you can expect to see 30 flights from Illinois to San Diego a day.
Morning (6am - Noon) - 17% of flight departures
Afternoon (Noon - 6pm) - 3% of flight departures
Evening (6pm - Midnight) - 80% of flight departures

How long is the flight from Illinois to San Diego?

For as low as $168, Spirit Airlines can have you in San Diego from Illinois in 4h 21m. Illinois and San Diego are separated by a distance of 1729 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $84. Frontier flights start at $88 while deals on Allegiant Air start at $127 one-way.

What are the most popular airlines that fly from Illinois to San Diego?

Before booking your flight from Illinois to San Diego check out the most popular airlines for this route: American Airlines, Alaska Airlines or Delta.

What are the most reliable airlines from Illinois to San Diego?

Consider Japan Airlines (90%), Finnair (86%) or Royal Jordanian (86%) when booking your flight. These represent the most reliable airlines when flying from Illinois to San Diego.

What are the most popular routes from Illinois to San Diego?

Most travelers choose Chicago O'Hare Intl - San Diego, Chicago Midway - San Diego or Lambert-St Louis - San Diego when deciding on the best route from Illinois to San Diego.

What are the cheapest flights from Illinois to San Diego?

The cheapest flight price from Illinois to San Diego is $177. On average you can expect to pay $892. The most popular route, (Chicago O'Hare Intl - San Diego), can usually be booked for $168.