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

View HK$906 flight on Sat, 11 Oct 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
Thu, 11 Sep - Mon, 15 Sep
ORD
Chicago
SAN
San Diego
HK$2,020 Return, found 1 day ago
HK$2,020
Return
found 1 day ago
Select Delta flight, departing Thu, 11 Sep from Chicago to San Diego, returning Mon, 15 Sep, priced at HK$2,020 found 1 day ago
United
Thu, 11 Sep - Mon, 15 Sep
ORD
Chicago
SAN
San Diego
HK$2,147 Return, found 1 day ago
HK$2,147
Return
found 1 day ago
Select United flight, departing Thu, 11 Sep from Chicago to San Diego, returning Mon, 15 Sep, priced at HK$2,147 found 1 day ago
United
Thu, 11 Sep - Mon, 15 Sep
ORD
Chicago
SAN
San Diego
HK$2,188 Return, found 1 day ago
HK$2,188
Return
found 1 day ago
Select United flight, departing Thu, 11 Sep from Chicago to San Diego, returning Mon, 15 Sep, priced at HK$2,188 found 1 day ago
United
Thu, 11 Sep - Mon, 15 Sep
ORD
Chicago
SAN
San Diego
HK$2,224 Return, found 1 day ago
HK$2,224
Return
found 1 day ago
Select United flight, departing Thu, 11 Sep from Chicago to San Diego, returning Mon, 15 Sep, priced at HK$2,224 found 1 day ago
American Airlines
Thu, 11 Sep - Mon, 15 Sep
ORD
Chicago
SAN
San Diego
HK$2,263 Return, found 1 day ago
HK$2,263
Return
found 1 day ago
Select American Airlines flight, departing Thu, 11 Sep from Chicago to San Diego, returning Mon, 15 Sep, priced at HK$2,263 found 1 day ago
United
Thu, 11 Sep - Mon, 15 Sep
ORD
Chicago
SAN
San Diego
HK$2,264 Return, found 1 day ago
HK$2,264
Return
found 1 day ago
Select United flight, departing Thu, 11 Sep from Chicago to San Diego, returning Mon, 15 Sep, priced at HK$2,264 found 1 day ago
United
Thu, 11 Sep - Mon, 15 Sep
ORD
Chicago
SAN
San Diego
HK$2,265 Return, found 1 day ago
HK$2,265
Return
found 1 day ago
Select United flight, departing Thu, 11 Sep from Chicago to San Diego, returning Mon, 15 Sep, priced at HK$2,265 found 1 day ago
Delta
Thu, 11 Sep - Mon, 15 Sep
ORD
Chicago
SAN
San Diego
HK$2,299 Return, found 1 day ago
HK$2,299
Return
found 1 day ago
Select Delta flight, departing Thu, 11 Sep from Chicago to San Diego, returning Mon, 15 Sep, priced at HK$2,299 found 1 day ago
United
Thu, 11 Sep - Mon, 15 Sep
ORD
Chicago
SAN
San Diego
HK$2,304 Return, found 1 day ago
HK$2,304
Return
found 1 day ago
Select United flight, departing Thu, 11 Sep from Chicago to San Diego, returning Mon, 15 Sep, priced at HK$2,304 found 1 day ago
American Airlines
Thu, 11 Sep - Mon, 15 Sep
ORD
Chicago
SAN
San Diego
HK$2,305 Return, found 1 day ago
HK$2,305
Return
found 1 day ago
Select American Airlines flight, departing Thu, 11 Sep from Chicago to San Diego, returning Mon, 15 Sep, priced at HK$2,305 found 1 day 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$1,139 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$1,866
Distance
2752 km
Average flight time
2 hours 21 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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