Cheap flights from Chicago to San Diego

Choose between American Airlines, Southwest Airlines, or United Airlines to find the best price

Travelers usually depart from O Hare International, Chicago Midway International, Chicago Rockford International, Chicago Downtown Greyhound Station, or Chicago Union Station when they travel from Chicago to San Diego. Book your trip to arrive at San Diego International, San Diego bus station, San Diego Old Town station, San Diego Santa Fe railway station, or San Diego-La Jolla. The distance between Chicago and San Diego is 2771 km. The most popular airlines for this route are American Airlines, Southwest Airlines, United Airlines, Delta Air Lines, and Frontier Airlines. Chicago and San Diego have 202 direct flights per week.

Weekly flights

MondayTuesdayWednesdayThursdayFridaySaturdaySunday
Number of flights29444134-3123

Fly direct with

Spirit Airlines on Mondays, Thursdays, Fridays, and Sundays.

United Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

American Airlines on Mondays, Tuesdays, Thursdays, Fridays, Saturdays, and Sundays.

Southwest Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

Alaska Airlines on and Thursdays.

Check-in for a flight from Chicago to San Diego

NameCarrier codeIATA CodePassport needed during bookingAirport check-in closesOnline check-in available
American AirlinesAALAAYesUnknownNo
Southwest AirlinesSWAWNNoUnknownOpens 1 days before flight
Closes 1 hours before flight
United AirlinesUALUAYesUnknownOpens 1 days before flight
Closes 1 hours before flight
Delta Air LinesDALDLYesUnknownOpens 1 days before flight
0
Frontier AirlinesFFTF9NoUnknownOpens 1 days before flight
Closes 1 hours before flight

Frequently asked questions

How long does it take to travel from Chicago to San Diego?

A one-way nonstop (direct) flight between Chicago and San Diego takes around 4.5 hours.

What is the flight distance between Chicago and San Diego?

The flight distance between Chicago and San Diego is 2771 km.

What airlines offer nonstop (direct) flights between Chicago and San Diego?

Several carriers operate flights between Chicago and San Diego. Airlines offering nonstop (direct) flights include Alaska Airlines, American Airlines, Southwest Airlines, Spirit Airlines, United Airlines.

What are the most popular routes to and from Chicago?

Travelers frequently search for route combinations, such as Chicago and Miami International, McCarran International, Orlando International, Fort Lauderdale–Hollywood International, Denver International, Hartsfield–Jackson Atlanta International, Dallas/Fort Worth International, Logan International, George Bush Intercontinental, San Diego International, Minneapolis–Saint Paul International.

What are the most popular routes to and from San Diego?

Travelers frequently search for route combinations, such as San Diego and McCarran International, Fort Lauderdale–Hollywood International, Denver International, San Francisco International, Logan International, Phoenix Sky Harbor International, O Hare International, Minneapolis–Saint Paul International, San Jose International, Oakland International, Fresno Yosemite International.

Which airports are there in Chicago?

Chicago is mainly served by O Hare International. But there are other airports nearby, including Chicago Midway International, Chicago Rockford International.

What airports are near Chicago?

The main airport in Chicago is O Hare International. It is also served by Gerald R. Ford International, General Mitchell International, Dane County Regional, General Wayne A. Downing Peoria International, South Bend International, Central Illinois Regional, Quad City International, Fort Wayne International, Muskegon County, Kalamazoo/Battle Creek International.

What airports are near San Diego?

The main airport in San Diego is San Diego International. It is also served by Los Angeles International, Tijuana International, John Wayne, Hollywood Burbank, Ontario International, Mexicali International, Long Beach, Palm Springs International, Imperial County, Hawthorne Municipal.

What buses and trains depart from Chicago?

A number of bus and train companies depart from Chicago, including Greyhound.

Is it possible to combine flights, buses, and trains in one itinerary when traveling between Chicago and San Diego?

What is Virtual Interlining and how do I use it?

Which airlines fly between Chicago and San Diego?

When's the best time to travel between Chicago and San Diego?

What flights operate between Chicago and San Diego?

How many airports are there near Chicago?

How many airports are there near San Diego?

Is it possible to reach Chicago by bus or train?

What time do nonstop (direct) flights between Chicago and San Diego depart?

What time do nonstop (direct) flights between Chicago and San Diego arrive?

What time do flights between Chicago and San Diego depart?

What time do flights between Chicago and San Diego arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.

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