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

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The best prices from Chicago to San Diego are usually found in January or May, booked 31 days in advance, depart on a Tuesday or Saturday and return on a Wednesday

CHI - SAN
Price
$203 - $324
SAN
Temperature
66.2 - 80.6 °F
SAN
Rainfall
0 - 2.8 inches
Popular in December High demand for flights, 24% potential price rise
Cheapest in January Best time to find cheap flights, 17% potential price drop
Average price $297 Average for round-trip flights in March 2020
Round-trip from $203 From Chicago to San Diego

Cheap flights from Chicago to San Diego in April 2020

The best prices found for ORD to SAN flights for April
2 Apr - 5 Apr
$35pp
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
1 Apr - 5 Apr
$38pp
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
16 Apr - 19 Apr
$40pp
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl

Chicago to San Diego 2020 flight deals

Cheap flights to San Diego from Chicago found for this year
14 May - 17 May
$35pp
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
28 Apr - 5 May
$38pp
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
30 Apr - 5 May
$43pp
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl

Non-stop flights to San Diego from Chicago

Save time with Chicago to San Diego direct flight deals
27 Mar - 28 Mar
$35pp
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
31 Mar - 7 Apr
$38pp
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
16 Apr - 19 Apr
$40pp
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl

Last minute flights from Chicago to San Diego

Late deals on round-trip flights to San Diego from Chicago, departing today and this week
27 Mar - 28 Mar
$35pp
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
31 Mar - 7 Apr
$38pp
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
26 Mar - 31 Mar
$45pp
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl

One-way flights to San Diego from Chicago

The cheapest one-way flights from Chicago to San Diego
6:30 am - 9:05 am
Spirit Airlines
Nonstop
4h 35m
ORD - SAN
Spirit Airlines
$18
Spirit
6:30 am - 9:05 am
Spirit Airlines
Nonstop
4h 35m
ORD - SAN
Spirit Airlines
$19
Expedia
5:00 am - 7:26 am
Spirit Airlines
Nonstop
4h 26m
ORD - SAN
Spirit Airlines
$21
CheapOair

Alternative routes for Chicago to San Diego

Destination information for San Diego

Things to know before you go. Useful info for your trip from Chicago to San Diego
Flight duration
4h 17m
Average temperature for March in San Diego
68.0 °F
Avg rainfall for March in San Diego
2.7 ″

Airports servicing Chicago

Chicago-O'Hare Intl (ORD)
Rockford (RFD)

Airports servicing San Diego

Weekly flight availability
from Chicago to San Diego
Sunday
25 daily flights
Monday
32 daily flights
Tuesday
30 daily flights
Wednesday
33 daily flights
Thursday
33 daily flights
Friday
33 daily flights
Saturday
31 daily flights

Related info for your journey

Useful info, stats and facts about Chicago to San Diego flights.

Flight FAQs

From Chicago to San Diego

Are flight prices decreasing from Chicago to San Diego due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Chicago and San Diego for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from Chicago to San Diego for under $100 on Cheapflights?

Yes, there are multiple flights from Chicago to San Diego for under $100. The cheapest flight booked recently is on Spirit Airlines for just $35, but on average you can expect to pay $37.

Are there nonstop flights from Chicago to San Diego for under $100 on Cheapflights?

Cheapflights has 3 direct flights from Chicago to San Diego under $100. A good price for a nonstop flight from Chicago to San Diego is less than $37.

Are there last-minute flights available from Chicago to San Diego for under $100?

There are currently just 3 open flights from Chicago to San Diego within the next 7 days for less than $100.

What days are nonstop flights available from Chicago to San Diego?

You can find nonstop flights on the following days: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday.

How popular is this flight route?

This flight path from Chicago to San Diego was viewed by 428 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What percent of flights are delayed?

Airlines departing from Chicago to San Diego can be delayed by up to 29min. or more hours.

What is the cheapest airline for this route?

When searching, try setting your filters to view flights for United Parcel Service, Inc., as currently they have the cheapest options available from Chicago to San Diego. On average you can find 15 flights for this flight path daily.

How long does the flight from Chicago to San Diego take?

For nonstop trips expect to fly for about 5 hours. The travel distance is approximately 1,077 miles.

How many flights depart from Chicago to San Diego on average per day?

92 flight departures from Chicago to San Diego per day on average.
Early Morning (Midnight to 6am) - 3% of flight departures
Morning (6am - Noon) - 28% of flight departures
Afternoon (Noon - 6pm) - 41% of flight departures
Evening (6pm - Midnight) - 27% of flight departures

Is Chicago weather warmer or cooler than San Diego?

Expect the weather to be around 84 °F on average in July. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in San Diego is generally colder than in Chicago.