Cheap Flights from Chicago (ORD) to San Diego (SAN) from HK$906~

View HK$906 flight on Wed, 27 Aug 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at HK$906 for one-way flights and HK$2,020 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sun, 24 Aug - Sun, 31 Aug
ORD
Chicago
SAN
San Diego
HK$2,020 Return, found 1 hour ago
HK$2,020
Return
found 1 hour ago
Select Delta flight, departing Sun, 24 Aug from Chicago to San Diego, returning Sun, 31 Aug, priced at HK$2,020 found 1 hour ago
Delta
Sun, 24 Aug - Sun, 31 Aug
ORD
Chicago
SAN
San Diego
HK$2,072 Return, found 1 hour ago
HK$2,072
Return
found 1 hour ago
Select Delta flight, departing Sun, 24 Aug from Chicago to San Diego, returning Sun, 31 Aug, priced at HK$2,072 found 1 hour ago
American Airlines
Sun, 24 Aug - Sun, 31 Aug
ORD
Chicago
SAN
San Diego
HK$2,102 Return, found 1 hour ago
HK$2,102
Return
found 1 hour ago
Select American Airlines flight, departing Sun, 24 Aug from Chicago to San Diego, returning Sun, 31 Aug, priced at HK$2,102 found 1 hour ago
United
Sun, 24 Aug - Sun, 31 Aug
ORD
Chicago
SAN
San Diego
HK$2,102 Return, found 1 hour ago
HK$2,102
Return
found 1 hour ago
Select United flight, departing Sun, 24 Aug from Chicago to San Diego, returning Sun, 31 Aug, priced at HK$2,102 found 1 hour ago
American Airlines
Sun, 24 Aug - Sun, 31 Aug
ORD
Chicago
SAN
San Diego
HK$2,114 Return, found 1 hour ago
HK$2,114
Return
found 1 hour ago
Select American Airlines flight, departing Sun, 24 Aug from Chicago to San Diego, returning Sun, 31 Aug, priced at HK$2,114 found 1 hour ago
Delta
Sun, 24 Aug - Sun, 31 Aug
ORD
Chicago
SAN
San Diego
HK$2,147 Return, found 1 hour ago
HK$2,147
Return
found 1 hour ago
Select Delta flight, departing Sun, 24 Aug from Chicago to San Diego, returning Sun, 31 Aug, priced at HK$2,147 found 1 hour ago
United
Sun, 24 Aug - Sun, 31 Aug
ORD
Chicago
SAN
San Diego
HK$2,177 Return, found 1 hour ago
HK$2,177
Return
found 1 hour ago
Select United flight, departing Sun, 24 Aug from Chicago to San Diego, returning Sun, 31 Aug, priced at HK$2,177 found 1 hour ago
American Airlines
Sun, 24 Aug - Sun, 31 Aug
ORD
Chicago
SAN
San Diego
HK$2,189 Return, found 1 hour ago
HK$2,189
Return
found 1 hour ago
Select American Airlines flight, departing Sun, 24 Aug from Chicago to San Diego, returning Sun, 31 Aug, priced at HK$2,189 found 1 hour ago
Delta
Sun, 24 Aug - Sun, 31 Aug
ORD
Chicago
SAN
San Diego
HK$2,213 Return, found 1 hour ago
HK$2,213
Return
found 1 hour ago
Select Delta flight, departing Sun, 24 Aug from Chicago to San Diego, returning Sun, 31 Aug, priced at HK$2,213 found 1 hour ago
United
Sun, 24 Aug - Sun, 31 Aug
ORD
Chicago
SAN
San Diego
HK$2,224 Return, found 1 hour ago
HK$2,224
Return
found 1 hour ago
Select United flight, departing Sun, 24 Aug from Chicago to San Diego, returning Sun, 31 Aug, priced at HK$2,224 found 1 hour ago

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

September is typically the cheapest month to fly

From HK$653 - HK$1,232 per traveller.

Graph displaying average flight prices per month

Chicago to San Diego route information
Origin airport
O'Hare Intl.
Destination airport
San Diego Intl.
Return price
HK$2,020
Distance
2752 km
Average flight time
2 hours 20 mins

Flights from Chicago to San Diego

Book cheap flights from Chicago (ORD) to San Diego (SAN) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from Chicago (ORD) to San Diego (SAN) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Chicago (ORD) to San Diego (SAN) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your San Diego flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in San Diego and things to do in San Diego for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to San Diego more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to San Diego is HK$906 now!

 

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 HK$2,020. 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.

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