Cheap flights from Chicago to San Diego

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Tips to know when travelling to San Diego

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San Diego travel tips

1) Is there a place to discover history in San Diego?

Old Town San Diego State Historic Park takes tourists back to the middle of the 19th century. Restored historical buildings are scattered throughout the park, including several original buildings that have survived to this day. Walking through this park, you can see what life was like in this sunny city in the 19th century. You can pet donkeys, watch a blacksmith working, and feel how American and Mexican cultures mix in San Diego.

2) Go on a whale-watching boat trip in San Diego

California gray whales can live for over 70 years and grow up to 15 meters. They migrate from Alaska to Mexico between December and April, and you can get incredible emotions when seeing them up very close. The tours are offered on the promenade in San Diego and are quite affordable (from $35).

3) Enjoy Shakespeare plays at the San Diego historic theatre

The Old Globe is an atmospheric theatre in Balboa Park, opened in 1936. The theatre is a copy of the London Globe Theatre, where William Shakespeare staged his works. The Old Globe is one of the leading theatres in California and in the United States. On its stage, you can see the classic plays of Shakespeare, legendary musicals, and performances based on original and adapted scripts.

Travelers usually depart from O Hare International, Chicago Midway International, Chicago Rockford International, Chicago, IL - Union Station, or Chicago Downtown Greyhound Station when they travel from Chicago to San Diego. Book your trip to arrive at San Diego International, San Diego, CA Bus Station, San Diego, CA - Old Town, San Diego, CA - Santa Fe, or San Diego, CA - La Jolla. The distance between Chicago and San Diego is 2771 km. The most popular airlines for this route are United Airlines, American Airlines, Frontier Airlines, Delta Air Lines, and Spirit Airlines. Chicago and San Diego have 266 direct flights per week.

Weekly direct flights

MondaysTuesdaysWednesdaysThursdaysFridaysSaturdaysSundays
Direct flights6777-67
Fly direct with

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

Alaska Airlines on Fridays.

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

Check-in for a flight from Chicago to San Diego

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
United AirlinesUALUAYesNo
American AirlinesAALAAYesNo
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
Delta Air LinesDALDLYesOpens 24 days before flight
Closes 1 hours before flight
Spirit AirlinesNKSNKNoOpens 24 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 4.4 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 American Airlines, United Airlines, Alaska Airlines.
What are the most popular routes to and from Chicago?
Travelers frequently search for route combinations, such as Chicago and Las Vegas, Guadalajara, Denver, Orlando, Phoenix, Mexico City, Paris, Barcelona, Tampa, Miami, London, Rome, Los Angeles, Madrid, Fort Myers, Athens, San Francisco, New York, Austin, Atlanta.
What are the most popular routes to and from San Diego?
Travelers frequently search for route combinations, such as San Diego and Denver, Las Vegas, Austin, Cincinnati, Philadelphia, New York, Phoenix, Charlotte, Washington, D.C., Atlanta, Raleigh, Orlando, San Antonio, Detroit, Dallas, St. Louis, Cleveland, Salt Lake City, Minneapolis, London.
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 General Mitchell International, Gerald R. Ford International, Dane County Regional, Central Illinois Regional, General Wayne A. Downing Peoria International, Quad City International, Fort Wayne International, South Bend International, Decatur, 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, Ontario International, Tijuana International, John Wayne, Hollywood Burbank, 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 Amtrak train, 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?

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