What’s the cost of a flight from Chicago to San Diego?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Chicago and San Diego.

Choose a date to explore the best fares now.

If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.

Best airport options between Chicago and San Diego

If you're open to flying into or out of more than one airport, you’ll have more routes to compare.

• Airports in Chicago: Chicago is served by 3 airports - Midway, O'Hare, Rockford.
• Airports in San Diego: McClellan-Palomar offers an alternative to San Diego - International.

Some airports offer extras like lounges, fast track, or self check-in — good to keep in mind. Comparing airports by services offered helps you balance cost and comfort.

Explore flights from Chicago to San Diego your way

On Jetcost, you can filter by round-trip or one-way, time of day, airline, number of stops, and even by specific travel agency.

Other popular destinations

Also interested in United States? Check out: Las Vegas, Los Angeles, Miami, New York City, Orlando.

If you’re flexible with dates, try checking the days before and after to see if prices vary. Some routes are offered by multiple agencies — comparing fares can really pay off.