How much is a flight from Chicago O'Hare to San Diego?

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

$26 is the lowest fare found in the past 15 days.

Fares change often — checking several times throughout the week can make a big difference. Booking in advance often means access to lower prices for the Chicago O'Hare - San Diego route.

What are the airport options between Chicago and San Diego?

If both departure and destination cities offer multiple airports, comparing them can help you save time and money.

• Airports in Chicago: Chicago has 3 airports - Midway, O'Hare, Rockford.
• Airports in San Diego: Another arrival option is McClellan-Palomar.

Some airports have different terminals for low-cost and traditional airlines — knowing in advance can save time. You can filter results to see only the airports that suit you.

Flight filters for the route Chicago O'Hare – San Diego

Customize your search on Jetcost to focus only on flights that suit your needs. Whether you want a direct connection, specific airline, or shorter layover, filters help you find it faster.

Other popular destinations

Flights to United States are often searched alongside: Atlanta, Los Angeles, Miami, New York City, Orlando.

The cheapest flights might leave at odd hours or arrive at less central airports — keep that in mind. If you travel often, you can always select your trusted airlines from the available options.