₩150,400 Cheap Flights from Chicago (ORD) to San Diego (SAN)

View ₩150,400 flight on Sat, Sep 13, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at ₩150,400 for one-way flights and ₩344,200 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Aug 13 - Sat, Aug 16
ORD
Chicago
SAN
San Diego
₩344,200 Roundtrip, found 5 hours ago
₩344,200
Roundtrip
found 5 hours ago
Select United flight, departing Wed, Aug 13 from Chicago to San Diego, returning Sat, Aug 16, priced at ₩344,200 found 5 hours ago
American Airlines
Wed, Aug 13 - Sat, Aug 16
ORD
Chicago
SAN
San Diego
₩344,400 Roundtrip, found 5 hours ago
₩344,400
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Wed, Aug 13 from Chicago to San Diego, returning Sat, Aug 16, priced at ₩344,400 found 5 hours ago
Delta
Wed, Aug 13 - Sat, Aug 16
ORD
Chicago
SAN
San Diego
₩351,000 Roundtrip, found 5 hours ago
₩351,000
Roundtrip
found 5 hours ago
Select Delta flight, departing Wed, Aug 13 from Chicago to San Diego, returning Sat, Aug 16, priced at ₩351,000 found 5 hours ago
Delta
Tue, Oct 14 - Fri, Oct 17
ORD
Chicago
SAN
San Diego
₩355,300 Roundtrip, found 4 days ago
₩355,300
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Oct 14 from Chicago to San Diego, returning Fri, Oct 17, priced at ₩355,300 found 4 days ago
Delta
Wed, Aug 13 - Sat, Aug 16
ORD
Chicago
SAN
San Diego
₩357,400 Roundtrip, found 5 hours ago
₩357,400
Roundtrip
found 5 hours ago
Select Delta flight, departing Wed, Aug 13 from Chicago to San Diego, returning Sat, Aug 16, priced at ₩357,400 found 5 hours ago
United
Tue, Oct 14 - Fri, Oct 17
ORD
Chicago
SAN
San Diego
₩358,500 Roundtrip, found 4 days ago
₩358,500
Roundtrip
found 4 days ago
Select United flight, departing Tue, Oct 14 from Chicago to San Diego, returning Fri, Oct 17, priced at ₩358,500 found 4 days ago
American Airlines
Wed, Oct 15 - Sat, Oct 18
ORD
Chicago
SAN
San Diego
₩361,500 Roundtrip, found 4 days ago
₩361,500
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Oct 15 from Chicago to San Diego, returning Sat, Oct 18, priced at ₩361,500 found 4 days ago
United
Wed, Oct 15 - Sat, Oct 18
ORD
Chicago
SAN
San Diego
₩361,500 Roundtrip, found 4 days ago
₩361,500
Roundtrip
found 4 days ago
Select United flight, departing Wed, Oct 15 from Chicago to San Diego, returning Sat, Oct 18, priced at ₩361,500 found 4 days ago
United
Wed, Oct 15 - Sat, Oct 18
ORD
Chicago
SAN
San Diego
₩361,600 Roundtrip, found 4 days ago
₩361,600
Roundtrip
found 4 days ago
Select United flight, departing Wed, Oct 15 from Chicago to San Diego, returning Sat, Oct 18, priced at ₩361,600 found 4 days ago
American Airlines
Wed, Aug 13 - Sat, Aug 16
ORD
Chicago
SAN
San Diego
₩372,200 Roundtrip, found 5 hours ago
₩372,200
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Wed, Aug 13 from Chicago to San Diego, returning Sat, Aug 16, priced at ₩372,200 found 5 hours ago

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

September is typically the cheapest month to fly

From ₩115,394 - ₩217,774 per traveler.

Graph displaying average flight prices per month

Flights from Chicago (ORD) to San Diego (SAN)
Origin airport
O'Hare Intl.
Destination airport
San Diego Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
₩344,200
Distance
2752 km
Average flight time
2 hours 20 mins

Chicago to San Diego Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Chicago to San Diego will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring San Diego.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with ORD to SAN flights that won’t make your bank account wince. Ready to temporarily leave behind Chicago for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to SAN with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

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 ₩344,200. 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 kilometers. 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.

Explore a world of travel with Expedia

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₩357,400
*Available to Expedia members.