$162 Cheap Sun Country Airlines flights Chicago (ORD) to San Diego (SAN)

Apply the “Price (lowest to highest)” filter on Expedia to look for cheap Sun Country Airlines return flights from $313 from ORD to SAN. Affordable one-way options from $162 are available as well.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Sun Country Airlines flights to San Diego are typically more affordable in the off-peak months of January and November. Whether you’re in search of a round-trip or one-way ticket, you could land a better deal then.

For cheap Sun Country Airlines fares from O’Hare Intl. Airport (ORD) to San Diego Intl. Airport (SAN), start searching one to three months before your intended departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also impact the overall cost. Sunday is typically the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Use the “Nonstop” filter when searching for direct Sun Country Airlines flights from ORD to SAN. You can also compare other carriers servicing the same direct route.

Sort your results by “Early Morning” and “Morning” to find the earliest flights from ORD to SAN. Heading off early means you’re less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Sun Country Airlines flights from O’Hare Intl. Airport (ORD) to San Diego land at San Diego Intl. Airport (SAN). This is the main gateway here.

On Sun Country Airlines, you can fly standard economy from ORD to SAN with a small personal item and 1 cabin bag. Your carry-on bag should be no larger than 23 inches x 10 inches x 15 inches and weigh under 33 lb. Going over these limits can lead to extra fees, so check your airline’s latest policies before making your booking.

Traveling from ORD to SAN with Sun Country Airlines means enjoying a host of benefits, including top-tier customer service and a rewarding loyalty program. Plus, when booking through Expedia, One Key™ members can collect OneKeyCash™* to use on select future travel purchases. That’s in addition to the Sun Country Rewards points you can earn with Sun Country Airlines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on your ticket type, a fee is typically charged if you cancel or reschedule your flight more than 24 hours after it’s confirmed. To find flexible fares, select our “Changes included” and “No cancel fee” boxes when searching for flights. To learn more about modifying or canceling your reservation, visit “Trips,” select your flight and tick “Manage Booking.”