Cheap Flights from Chicago (CHI) to San Diego (SAN)

Featured Airlines

    Plan, book, fly with confidence
  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards
Chicago to San Diego route information
Origin airport
CHI-All Airports
Destination airport
San Diego Intl.
Distance
2694 km

Illinois Flights

When looking for plane tickets to Illinois, the ease and convenience of using {4} simply can’t be beat. With tons of departure points and flights options from the top airline carriers, San Diego gives you the widest array of cheap flights to Illinois. Look for Illinois airfare with the assurance that you have the largest online travel agency working for you.

{4} lets you search across the largest number of airlines and Illinois flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let San Diego do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Illinois flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Illinois trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Illinois flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights to Illinois with San Diego. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

Frequently asked questions

How much is a flight from Chicago, IL (CHI-All Airports) to San Diego Airport?
Based on fares listed within the last 7 days on Expedia for flights departing within the next year, round-trip flights between Chicago, IL (CHI-All Airports) and SAN start from . Book now to secure the best price for your journey. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Chicago, IL (CHI-All Airports) to San Diego Intl. Airport (SAN)?
Most flights can be cancelled online, but whether you incur a fee differs between airlines. If you do have to cancel your break, follow the instructions in the Customer Service Portal.
How do I find cheap flights from Chicago, IL (CHI-All Airports) to San Diego Intl. Airport (SAN) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for Chicago, IL (CHI-All Airports) to San Diego Airport flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Chicago, IL (CHI-All Airports) to San Diego Intl. Airport (SAN)?
The flying distance between Chicago, IL (CHI-All Airports) and San Diego Airport is 2,700 kilometres. Listen to your favourite tunes or get stuck into a book and the journey will zip by.
Which airlines fly direct from Chicago, IL (CHI-All Airports) to San Diego Intl. Airport (SAN)?
One airline that flies from Chicago, IL (CHI-All Airports) to San Diego Intl. Airport (SAN) is United Airlines (UA). It offers 121 flights monthly. You could also take a look at ticket prices with American Airlines (AA). This carrier operates 91 monthly flights between Illinois and San Diego.
Are Chicago, IL (CHI-All Airports) to San Diego Intl. Airport (SAN) flight tickets cheaper when they're purchased at the last minute?
Tickets from Chicago, IL (CHI-All Airports) to San Diego Intl. Airport (SAN) are available up to a year prior to departure on Expedia. And although you may pick up great last-minute deal, it’s not something you should count on. Also, booking your flights ahead of time means you’ll have more options — and you can avoid getting caught in the dreaded middle seat! We’re always updating our fares to make sure you get the biggest bargains, so keep checking in for all the latest specials.
*Available to Expedia members.