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NT$6,291 Cheap Flights from Chicago (CHI) to San Diego (SAN)

View NT$6,291 flight on Thu, 2026/11/19Opens in a new window

Popular airlines from Chicago to San Diego, CA (SAN-San Diego Intl.)

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

Prices were available within the past 7 days and start at NT$6,291 for one-way flights and NT$15,112 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Nov 19 - Mon, Nov 30
ORD
Chicago
SAN
San Diego
NT$15,112 Roundtrip, found 2 days ago
NT$15,112
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Nov 19 from Chicago to San Diego, returning Mon, Nov 30, priced at NT$15,112 found 2 days ago
Delta
Thu, Nov 19 - Mon, Nov 30
ORD
Chicago
SAN
San Diego
NT$15,739 Roundtrip, found 2 days ago
NT$15,739
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Nov 19 from Chicago to San Diego, returning Mon, Nov 30, priced at NT$15,739 found 2 days ago
American Airlines
Thu, Nov 19 - Mon, Nov 30
ORD
Chicago
SAN
San Diego
NT$16,062 Roundtrip, found 2 days ago
NT$16,062
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Nov 19 from Chicago to San Diego, returning Mon, Nov 30, priced at NT$16,062 found 2 days ago
American Airlines
Thu, Nov 19 - Mon, Nov 30
ORD
Chicago
SAN
San Diego
NT$16,373 Roundtrip, found 2 days ago
NT$16,373
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Nov 19 from Chicago to San Diego, returning Mon, Nov 30, priced at NT$16,373 found 2 days ago
Delta
Thu, Nov 19 - Mon, Nov 30
ORD
Chicago
SAN
San Diego
NT$16,406 Roundtrip, found 2 days ago
NT$16,406
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Nov 19 from Chicago to San Diego, returning Mon, Nov 30, priced at NT$16,406 found 2 days ago
American Airlines
Thu, Nov 19 - Mon, Nov 30
ORD
Chicago
SAN
San Diego
NT$16,670 Roundtrip, found 2 days ago
NT$16,670
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Nov 19 from Chicago to San Diego, returning Mon, Nov 30, priced at NT$16,670 found 2 days ago
Delta
Thu, Nov 19 - Mon, Nov 30
ORD
Chicago
SAN
San Diego
NT$16,689 Roundtrip, found 2 days ago
NT$16,689
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Nov 19 from Chicago to San Diego, returning Mon, Nov 30, priced at NT$16,689 found 2 days ago
Delta
Sun, Sep 27 - Tue, Sep 29
ORD
Chicago
SAN
San Diego
NT$16,803 Roundtrip, found 4 days ago
NT$16,803
Roundtrip
found 4 days ago
Select Delta flight, departing Sun, Sep 27 from Chicago to San Diego, returning Tue, Sep 29, priced at NT$16,803 found 4 days ago
American Airlines
Thu, Nov 19 - Mon, Nov 30
ORD
Chicago
SAN
San Diego
NT$17,020 Roundtrip, found 2 days ago
NT$17,020
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Nov 19 from Chicago to San Diego, returning Mon, Nov 30, priced at NT$17,020 found 2 days ago
United
Thu, Nov 19 - Mon, Nov 30
ORD
Chicago
SAN
San Diego
NT$17,331 Roundtrip, found 2 days ago
NT$17,331
Roundtrip
found 2 days ago
Select United flight, departing Thu, Nov 19 from Chicago to San Diego, returning Mon, Nov 30, priced at NT$17,331 found 2 days ago

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

September is typically the cheapest month to fly

From NT$5,184 - NT$8,347 per traveler.

Frequently asked questions

How much is a flight from Chicago, IL (CHI-All Airports) to San Diego Airport?
Based on fares listed within the last 7 days on Expedia for flights departing within the next year, round-trip flights between Chicago, IL (CHI-All Airports) and SAN start from NT$15,112. Book now to secure the best price for your journey. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Chicago, IL (CHI-All Airports) to San Diego Intl. Airport (SAN)?
Most flights can be canceled online, but whether you incur a fee differs between airlines. If you do have to cancel your break, follow the instructions in the Customer Service Portal.
How do I find cheap flights from Chicago, IL (CHI-All Airports) 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 Chicago, IL (CHI-All Airports) to San Diego Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Chicago, IL (CHI-All Airports) to San Diego Intl. Airport (SAN)?
The flying distance between Chicago, IL (CHI-All Airports) and San Diego Airport is 2,700 kilometers. Listen to your favorite tunes or get stuck into a book and the journey will zip by.
Which airlines fly direct from Chicago, IL (CHI-All Airports) to San Diego Intl. Airport (SAN)?
One airline that flies from Chicago, IL (CHI-All Airports) to San Diego Intl. Airport (SAN) is United Airlines (UA). It offers 121 flights monthly. You could also take a look at ticket prices with American Airlines (AA). This carrier operates 91 monthly flights between Illinois and San Diego.
Are Chicago, IL (CHI-All Airports) to San Diego Intl. Airport (SAN) flight tickets cheaper when they're purchased at the last minute?
Tickets from Chicago, IL (CHI-All Airports) to San Diego Intl. Airport (SAN) are available up to a year prior to departure on Expedia. And although you may pick up great last-minute deal, it's not something you should count on. Also, booking your flights ahead of time means you'll have more options — and you can avoid getting caught in the dreaded middle seat! We're always updating our fares to make sure you get the biggest bargains, so keep checking in for all the latest specials.

Travel information

Origin airport
O'Hare Intl.
Destination airport
San Diego Intl.
Roundtrip price
NT$15,086
Distance
2752 km

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