Cheap flights from Chicago to San Diego

Round-trip
Economy
Chicago (CHI)
San Diego (SAN)
Sat 7/17
Sat 7/24
Any month
Compare vs. momondo |

Flight information for Chicago to San Diego
(CHI to SAN)

Find info about flight duration, direct flights, and airports for your flight from Chicago to San Diego
Best Price Found$124The best flight deal from Chicago to San Diego found on momondo in the last 72 hours is $124
Fastest flight time4h 5mThe fastest flight from Chicago to San Diego takes 4h 5m
Direct flightsMo, Sa and SuDirect flights go from Chicago to San Diego on Monday, Saturday and Sunday. Airlines offering direct flights are: LOT, United Airlines and Southwest.
Airports in San Diego2 airportsThere are 2 airports near San Diego: San Diego (SAN), San Diego Carlsbad-Palomar (CLD)

How to get the cheapest flight ticket 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 ticket for your trip

What is the cheapest month to fly from Chicago to San Diego?

August
The cheapest time of year to fly to San Diego from Chicago is August. Most expensive is December

What is the cheapest day to depart Chicago for 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 from Chicago to San Diego?

at noon
Chicago to San Diego flights are approximately 11% more expensive in the afternoon than at noon

What is the cheapest airline that flies to San Diego from Chicago?

Frontier
Frontier, Spirit Airlines, and Delta are the most popular carriers operating from Chicago to San Diego

What is the cheapest Chicago to San Diego flight route?

Chicago O'Hare Intl - San Diego
Fly from Chicago O'Hare Intl to San Diego for the best Chicago - San Diego flight prices

How far in advance should you book Chicago to San Diego flights?

16 days before
The cheapest time to buy a flight from Chicago to San Diego is approximately 16 days to departure
60
Days before departure
0

Easily compare round-trip flights from Chicago to San Diego

Below you can see the best fares for your round-trip flight 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
Spirit Airlines
Aug 21
ORD12:02 pmChicago O'Hare Intl
4h 24m
SAN4:26 pmSan Diego
Aug 28
SAN3:26 pmSan Diego
3h 57m
ORD7:23 pmChicago O'Hare Intl
Spirit Airlines
Aug 25
ORD12:02 pmChicago O'Hare Intl
4h 24m
SAN4:26 pmSan Diego
Aug 28
SAN3:26 pmSan Diego
3h 57m
ORD7:23 pmChicago O'Hare Intl
Spirit Airlines
Aug 18
ORD12:02 pmChicago O'Hare Intl
4h 24m
SAN4:26 pmSan Diego
Aug 25
SAN3:26 pmSan Diego
3h 57m
ORD7:23 pmChicago O'Hare Intl

Find the cheapest one-way flights from Chicago to San Diego

If you're looking for one-way flights from Chicago to San Diego, view some of our deals below provided by Spirit Airlines
Spirit Airlines
Jul 28
ORD11:52 amChicago O'Hare Intl
4h 20m
SAN4:12 pmSan Diego
Spirit Airlines
Aug 30
ORD12:02 pmChicago O'Hare Intl
4h 24m
SAN4:26 pmSan Diego
Spirit Airlines
Aug 21
ORD12:02 pmChicago O'Hare Intl
4h 24m
SAN4:26 pmSan Diego

Best airlines flying from Chicago to San Diego

Compare and see reviews for airlines that fly from Chicago to San Diego with momondo
AirlineRatingFree CancellationPrice
Frontier
PriceFrom $74
Free Cancellation
Rating
7.5
8.0

Boarding

7.1

Comfort

8.0

Crew

6.8

Entertainment

7.0

Food

Reviews

Pros: Captains are amazing! Reached earlier than expected

1 / 10
Spirit Airlines
PriceFrom $92
Free Cancellation
Rating
7.1
7.4

Boarding

6.8

Comfort

7.7

Crew

6.3

Entertainment

6.5

Food

Reviews

Pros: Well, it was not very comfortable and we were delayed for an hour. And a crew member was sick.

Cons: Mostly everything.

1 / 10
American Airlines
PriceFrom $101
Free Cancellation
Rating
7.2
7.4

Boarding

7.1

Comfort

7.9

Crew

7.0

Entertainment

6.8

Food

Reviews

Pros: Delayed flight no reasons seems like American Airlines don’t know what to do in these situations

Cons: I believe this airlines should have figured the answer to this question by now.

1 / 10
United Airlines
PriceFrom $114
Free Cancellation
Rating
6.8
7.2

Boarding

6.6

Comfort

7.5

Crew

6.6

Entertainment

6.1

Food

Reviews

Pros: Everything! From ticketing agent to all the crew on our flight back were awesome. Thank you!

1 / 10
Delta
PriceFrom $122
Free Cancellation
Rating
8.1
8.3

Boarding

8.4

Comfort

8.3

Crew

7.9

Entertainment

8.1

Food

Reviews

Cons: Wouldn't let us on the flight when there was plenty of time to get there. Manager was arrogant and slow - didn't care. Poor policies at that airport.

1 / 10
Alaska Airlines
PriceFrom $134
Free Cancellation
Rating
8.3
8.7

Boarding

8.3

Comfort

8.7

Crew

8.0

Entertainment

7.5

Food

Reviews

Pros: The flight wasn't full which is always nice and they served full size cans which is also a nice little note.

Cons: The plane was pretty old and people just started sitting wherever. It was chaos as my wife and I sat in our assigned seating and just watched people wander like animals.

1 / 10
Southwest
PriceFrom $204
Free Cancellation
Rating
8.4
8.6

Boarding

8.5

Comfort

8.8

Crew

7.6

Entertainment

7.8

Food

Reviews

Pros: The plane was new and the seats were nice.

1 / 10

Which airlines flying from Chicago to San Diego have COVID-19 safety policies in place?

Many airlines have put safety measures in place to reduce the spread of COVID-19. One is Alaska Airlines. Usage of HEPA filters, scheduled sanitation, enhanced cleaning of aircrafts, pre-flight testing, and mask policies are some of the implemented practices made by airlines to help keep you safe as you depart from Chicago to San Diego. Keep in mind that policies will vary by airline.

Are airlines flying from Chicago to San Diego offering flexible cancellation due to COVID-19?

Some of our partner airlines flying from Chicago to San Diego are adopting new policies due to the global impact of COVID-19. Some of the airlines that may be waiving their cancellation fees are Spirit Airlines, United Airlines, and American Airlines. You can search for the full list of airlines like Spirit Airlines that are offering this flexibility.


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