Flights from Chicago to San Diego

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Chicago to San Diego flight comparison made easy

Below you can see the best fares for your route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Chicago to San Diego by changing tabs
Quickest
Cheapest
Spirit Airlines
Spirit Airlines
06 Sep
ORD
10:31 am
Chicago O'Hare Intl airport
9h 28m
1 Stop
5:59 pm
SAN
San Diego airport
Spirit Airlines
14 Sep
SAN
11:15 pm
San Diego airport
7h 21m
1 Stop
8:36 am
+1
ORD
Chicago O'Hare Intl airport
137 USD
Spirit Airlines
Spirit Airlines
06 Sep
ORD
10:31 am
Chicago O'Hare Intl airport
9h 28m
1 Stop
5:59 pm
SAN
San Diego airport
Spirit Airlines
14 Sep
SAN
11:15 pm
San Diego airport
7h 21m
1 Stop
8:36 am
+1
ORD
Chicago O'Hare Intl airport
137 USD
Spirit Airlines
Spirit Airlines
05 Sep
ORD
10:31 am
Chicago O'Hare Intl airport
9h 28m
1 Stop
5:59 pm
SAN
San Diego airport
Spirit Airlines
08 Sep
SAN
12:40 pm
San Diego airport
8h 31m
1 Stop
11:11 pm
ORD
Chicago O'Hare Intl airport
144 USD
American Airlines
American Airlines
09 Nov
ORD
11:15 am
Chicago O'Hare Intl airport
4h 14m
1:29 pm
SAN
San Diego airport
American Airlines
12 Nov
SAN
8:15 am
San Diego airport
3h 51m
2:06 pm
ORD
Chicago O'Hare Intl airport
180 USD
American Airlines
American Airlines
09 Nov
ORD
11:15 am
Chicago O'Hare Intl airport
4h 14m
1:29 pm
SAN
San Diego airport
American Airlines
12 Nov
SAN
8:15 am
San Diego airport
3h 51m
2:06 pm
ORD
Chicago O'Hare Intl airport
180 USD
United Airlines
United Airlines
24 Sep
ORD
3:15 pm
Chicago O'Hare Intl airport
4h 22m
5:37 pm
SAN
San Diego airport
United Airlines
28 Sep
SAN
11:15 pm
San Diego airport
8h 19m
2 Stops
9:34 am
+1
ORD
Chicago O'Hare Intl airport
164 USD

How to get the cheapest flight from Chicago to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight for your trip
WHAT IS THE CHEAPEST MONTH TO FLY TO SAN DIEGO?
September
The cheapest time of year to fly to San Diego from Chicago is September. Most expensive is December
WHAT IS THE CHEAPEST DAY TO FLY TO SAN DIEGO?
Tuesday
The cheapest day of the week is typically Tuesday. The most expensive is typically Sunday
WHEN IS THE CHEAPEST TIME TO FLY TO SAN DIEGO?
at noon
Chicago to San Diego flights are approximately 137% more expensive in the afternoon than at noon
WHAT IS THE CHEAPEST AIRLINE THAT FLIES TO SAN DIEGO?
Frontier
Frontier, Spirit Airlines, and Sun Country Air are the most popular carriers operating from Chicago to San Diego
WHAT IS THE CHEAPEST ROUTE?
Chicago O'Hare Intl - San Diego
Fly from Chicago O'Hare Intl to San Diego for the best Chicago - San Diego flight prices
WHEN IS THE CHEAPEST TIME TO BOOK A FLIGHT TO SAN DIEGO?
54 days before
The cheapest time to buy a flight from Chicago to San Diego is approximately 54 days to departure
60
Days before departure
0

Flight information for Chicago to San Diego

Find info about flight duration, direct flights, and airports for your flight from Chicago to San Diego
Fastest flight time 4h 0m The fastest flight from Chicago to San Diego takes 4h 0m.
Direct flights Every day Direct flights go from Chicago to San Diego every day.
Airports in San Diego 2 airports There are 2 airports near San Diego: San Diego (SAN), San Diego Carlsbad-Palomar (CLD)

Alternative routes for Chicago to San Diego

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Chicago to Los Angeles
Fastest flight time
4h 21m
Cheapest price
113 USD
Chicago to Los Angeles
Fastest flight time
6h 19m
Cheapest price
244 USD
Chicago to Palm Springs
Fastest flight time
4h 15m
Cheapest price
315 USD
Chicago to Palm Springs
Fastest flight time
8h 34m
Cheapest price
334 USD
View more

Flights from Chicago to:

Flights to San Diego from:

  • Chicago
  • Illinois
  • United States
  • North America