฿3,755 Cheap Flights from Chicago (ORD) to San Diego (SAN)

View ฿3,755 flight on Wed, 6 May 2026Opens in a new window

Popular airlines from Chicago O'Hare International Airport (ORD) to San Diego Intl. Airport (SAN)

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

Prices were available within the past 7 days and start at ฿3,755 for one-way flights and ฿9,665 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 27 Jun - Mon, 6 Jul
ORD
Chicago
SAN
San Diego
฿9,665 Return, found 5 days ago
฿9,665
Return
found 5 days ago
Select Delta flight, departing Sat, 27 Jun from Chicago to San Diego, returning Mon, 6 Jul, priced at ฿9,665 found 5 days ago
Delta
Sat, 27 Jun - Mon, 6 Jul
ORD
Chicago
SAN
San Diego
฿10,520 Return, found 5 days ago
฿10,520
Return
found 5 days ago
Select Delta flight, departing Sat, 27 Jun from Chicago to San Diego, returning Mon, 6 Jul, priced at ฿10,520 found 5 days ago
Delta
Sat, 27 Jun - Mon, 6 Jul
ORD
Chicago
SAN
San Diego
฿10,775 Return, found 5 days ago
฿10,775
Return
found 5 days ago
Select Delta flight, departing Sat, 27 Jun from Chicago to San Diego, returning Mon, 6 Jul, priced at ฿10,775 found 5 days ago
United
Sat, 27 Jun - Mon, 6 Jul
ORD
Chicago
SAN
San Diego
฿11,090 Return, found 5 days ago
฿11,090
Return
found 5 days ago
Select United flight, departing Sat, 27 Jun from Chicago to San Diego, returning Mon, 6 Jul, priced at ฿11,090 found 5 days ago
Delta
Sat, 27 Jun - Mon, 6 Jul
ORD
Chicago
SAN
San Diego
฿11,365 Return, found 5 days ago
฿11,365
Return
found 5 days ago
Select Delta flight, departing Sat, 27 Jun from Chicago to San Diego, returning Mon, 6 Jul, priced at ฿11,365 found 5 days ago
Delta
Sat, 27 Jun - Mon, 6 Jul
ORD
Chicago
SAN
San Diego
฿11,465 Return, found 5 days ago
฿11,465
Return
found 5 days ago
Select Delta flight, departing Sat, 27 Jun from Chicago to San Diego, returning Mon, 6 Jul, priced at ฿11,465 found 5 days ago
Delta
Sat, 27 Jun - Mon, 6 Jul
ORD
Chicago
SAN
San Diego
฿11,630 Return, found 5 days ago
฿11,630
Return
found 5 days ago
Select Delta flight, departing Sat, 27 Jun from Chicago to San Diego, returning Mon, 6 Jul, priced at ฿11,630 found 5 days ago
United
Sat, 27 Jun - Mon, 6 Jul
ORD
Chicago
SAN
San Diego
฿11,945 Return, found 5 days ago
฿11,945
Return
found 5 days ago
Select United flight, departing Sat, 27 Jun from Chicago to San Diego, returning Mon, 6 Jul, priced at ฿11,945 found 5 days ago
United
Sat, 27 Jun - Mon, 6 Jul
ORD
Chicago
SAN
San Diego
฿12,190 Return, found 5 days ago
฿12,190
Return
found 5 days ago
Select United flight, departing Sat, 27 Jun from Chicago to San Diego, returning Mon, 6 Jul, priced at ฿12,190 found 5 days ago
American Airlines
Sat, 27 Jun - Mon, 6 Jul
ORD
Chicago
SAN
San Diego
฿22,940 Return, found 5 days ago
฿22,940
Return
found 5 days ago
Select American Airlines flight, departing Sat, 27 Jun from Chicago to San Diego, returning Mon, 6 Jul, priced at ฿22,940 found 5 days ago

Find the cheapest month to fly from Chicago (ORD) to San Diego (SAN)

February is typically the cheapest month to fly

From ฿3,240 - ฿5,448 per traveller.
Flight from Chicago to San Diego route information
Origin airport
O'Hare Intl.
Destination airport
San Diego Intl.
Return price
฿9,665
Distance
2752 km
Average flight time
3 hours 1 min

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 , 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 ฿3,755 and roundtrip prices from ฿9,665. 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 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 to 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 ฿9,665. 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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