€110 Cheap Flights Chicago to San Diego (ORD-SAN)

View €110 flight on Sat, 19 Apr 2025Opens in a new window

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Cheap flights from Chicago to San Diego (ORD-SAN)

Prices were available within the past 7 days and start at €110 for one-way flights and €249 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 16 Apr - Sun, 20 Apr
ORD
Chicago
SAN
San Diego
€249 Return, found 6 days ago
€249
Return
found 6 days ago
Select Delta flight, departing Wed, 16 Apr from Chicago to San Diego, returning Sun, 20 Apr, priced at €249 found 6 days ago
Delta
Mon, 14 Apr - Sun, 20 Apr
ORD
Chicago
SAN
San Diego
€259 Return, found 4 days ago
€259
Return
found 4 days ago
Select Delta flight, departing Mon, 14 Apr from Chicago to San Diego, returning Sun, 20 Apr, priced at €259 found 4 days ago
Delta
Mon, 14 Apr - Sun, 20 Apr
ORD
Chicago
SAN
San Diego
€270 Return, found 4 days ago
€270
Return
found 4 days ago
Select Delta flight, departing Mon, 14 Apr from Chicago to San Diego, returning Sun, 20 Apr, priced at €270 found 4 days ago
Delta
Mon, 14 Apr - Sun, 20 Apr
ORD
Chicago
SAN
San Diego
€276 Return, found 4 days ago
€276
Return
found 4 days ago
Select Delta flight, departing Mon, 14 Apr from Chicago to San Diego, returning Sun, 20 Apr, priced at €276 found 4 days ago
American Airlines
Thu, 17 Apr - Sun, 20 Apr
ORD
Chicago
SAN
San Diego
€282 Return, found 6 days ago
€282
Return
found 6 days ago
Select American Airlines flight, departing Thu, 17 Apr from Chicago to San Diego, returning Sun, 20 Apr, priced at €282 found 6 days ago
American Airlines
Mon, 14 Apr - Sun, 20 Apr
ORD
Chicago
SAN
San Diego
€286 Return, found 4 days ago
€286
Return
found 4 days ago
Select American Airlines flight, departing Mon, 14 Apr from Chicago to San Diego, returning Sun, 20 Apr, priced at €286 found 4 days ago
American Airlines
Sat, 19 Apr - Mon, 28 Apr
ORD
Chicago
SAN
San Diego
€287 Return, found 3 days ago
€287
Return
found 3 days ago
Select American Airlines flight, departing Sat, 19 Apr from Chicago to San Diego, returning Mon, 28 Apr, priced at €287 found 3 days ago
Delta
Mon, 14 Apr - Sun, 20 Apr
ORD
Chicago
SAN
San Diego
€287 Return, found 4 days ago
€287
Return
found 4 days ago
Select Delta flight, departing Mon, 14 Apr from Chicago to San Diego, returning Sun, 20 Apr, priced at €287 found 4 days ago
JetBlue Airways
Wed, 11 Jun - Tue, 17 Jun
ORD
Chicago
SAN
San Diego
€312 Return, found 3 days ago
€312
Return
found 3 days ago
Select JetBlue Airways flight, departing Wed, 11 Jun from Chicago to San Diego, returning Tue, 17 Jun, priced at €312 found 3 days ago
United
Tue, 18 Nov - Sun, 23 Nov
ORD
Chicago
SAN
San Diego
€521 Return, found 8 hours ago
€521
Return
found 8 hours ago
Select United flight, departing Tue, 18 Nov from Chicago to San Diego, returning Sun, 23 Nov, priced at €521 found 8 hours ago
Chicago to San Diego route information
Origin airport
O'Hare Intl.
Destination airport
San Diego Intl.
Airlines serving
American Airlines, Delta, JetBlue Airways, United
Return price
€249
Distance
2752 km

Perfect flights from Chicago to San Diego

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Chicago to San Diego. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of San Diego, surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible O'Hare Intl. to San Diego Intl. ticket options cater to your travel preferences, with incredible one-way fares from €110 and roundtrip prices from €249. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at San Diego Intl. and explore San Diego and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your ORD to SAN travel arrangements today and embark on the journey of a lifetime in San Diego.

Frequently asked questions

How much is a flight from O'Hare Airport to San Diego Intl. Airport (SAN)?
The lowest price advertised for a round-trip journey between O’Hare Intl. Airport (ORD) and San Diego Airport is €249. But you better act fast. This price is based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from ORD to SAN?
This can differ between airlines, as each has its own set of terms and conditions. Visit the Customer Service Portal, where there are simple instructions on how to cancel your flight online.
How do I find cheap flights from ORD 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 ORD to San Diego Airport flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from O'Hare Airport to San Diego Intl. Airport (SAN)?
The flying distance between O’Hare Airport and SAN is 2,800 kilometres. Close your eyes or get stuck into a book and the journey will whiz by.
Which airlines fly direct from ORD to SAN?
With 121 monthly flights operating from ORD to San Diego Intl. Airport (SAN), United Airlines (UA) is a top choice. If you’d like more options, check out the ticket prices from American Airlines (AA). This airlines operates 91 monthly flights between these airports.
Are ORD to SAN flight tickets cheaper when they're purchased at the last minute?
Late planners can sometimes nab a bargain, with some of the cheapest airfares from O’Hare Airport to San Diego Intl. Airport (SAN) appearing a few weeks before the date of departure. If you’d rather book ahead of time, Expedia compares and updates all the best flight deals frequently — as early as a year in advance in some cases. It depends on the carrier though, as not all airlines publish prices that far in advance.

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