San Diego, CA to Chicago, IL flights

Flights starting at $45. Choose between Frontier Airlines, Spirit Airlines, or American Airlines to find the best price.

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San Diego SANPhoenix PHXSan Diego SAN
$88
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San Diego SANPhoenix PHXSan Diego SAN
$112
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Travelers usually depart from San Diego International, San Diego, CA - Old Town, San Diego, CA - La Jolla, San Diego, CA - Santa Fe, or San Diego, CA - Seaport Village when they travel from San Diego to Chicago. Book your trip to arrive at O Hare International, Chicago Midway International, Chicago, IL - Union Station, Chicago Downtown Greyhound Station, or Chicago Rockford International. The distance between San Diego and Chicago is 2771 km. The most popular airlines for this route are Frontier Airlines, Spirit Airlines, American Airlines, United Airlines, and JetBlue Airways. San Diego and Chicago have 401 direct flights per week.

Weekly direct flights

Discover the top airlines offering direct flights from San Diego to Chicago in the next month. You’ll find the number of daily direct flights per airline in the table.

Weekly direct flights for Sun 24.09 - Sat 30.09

AirlineSun 24.09Mon 25.09Tue 26.09Wed 27.09Thu 28.09Fri 29.09Sat 30.09
------------211
3333122
---------3---------
---------------------
---------------------

Weekly direct flights for Sun 01.10 - Sat 07.10

AirlineSun 01.10Mon 02.10Tue 03.10Wed 04.10Thu 05.10Fri 06.10Sat 07.10
1224524
1335222
------------211
---------------------
---------------------

Weekly direct flights for Sun 08.10 - Sat 14.10

AirlineSun 08.10Mon 09.10Tue 10.10Wed 11.10Thu 12.10Fri 13.10Sat 14.10
3454234
4425533
2121---------
Iberia Airlines
---------------------
---------------------

Weekly direct flights for Sun 15.10 - Sat 21.10

AirlineSun 15.10Mon 16.10Tue 17.10Wed 18.10Thu 19.10Fri 20.10Sat 21.10
5455545
4533243
------------11---
---------------------
---------------------

Check-in for a flight from San Diego to Chicago

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight
American AirlinesAALAANoNo
United AirlinesUALUAYesNo
JetBlue AirwaysJBUB6NoOpens 24 days before flight
Closes 2 hours before flight
Learn more about COVID-19 restrictions in United States in our dedicated Stories article.

Frequently asked questions

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