Cheap flights from Chicago, IL to San Diego, CA
Flights starting at CA$62. Choose between Frontier Airlines, American Airlines, or Spirit Airlines to find the best price.
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Cheapest one-way trip | CA$62 |
|---|---|
Cheapest nonstop round-trip | CA$271 |
Cheapest round-trip | CA$124 |
Average round-trip | CA$198 |
Includes rare itinerary | Travel hack |
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Travelers usually depart from O Hare International, Chicago Midway International, Chicago, IL - Union Station, Chicago Downtown Greyhound Station, or Chicago Rockford International when they travel from Chicago to San Diego. Book your trip to arrive at San Diego International, San Diego, CA - Old Town, San Diego, CA - La Jolla, San Diego, CA - Santa Fe, or San Diego, CA - Seaport Village. The distance between Chicago and San Diego is 2771 km. The most popular airlines for this route are Frontier Airlines, American Airlines, Spirit Airlines, United Airlines, and Alaska Airlines. Chicago and San Diego have 375 direct flights per week.
Weekly direct flights
Discover the top airlines offering direct flights from Chicago to San Diego 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
| Airline | Sun 24.09 | Mon 25.09 | Tue 26.09 | Wed 27.09 | Thu 28.09 | Fri 29.09 | Sat 30.09 |
|---|---|---|---|---|---|---|---|
| 2 | 3 | 5 | 5 | 3 | 3 | 4 | |
| --- | 1 | 2 | 2 | 1 | 3 | 1 | |
| 2 | 2 | 1 | 1 | 2 | --- | 1 |
Weekly direct flights for Sun 01.10 - Sat 07.10
| Airline | Sun 01.10 | Mon 02.10 | Tue 03.10 | Wed 04.10 | Thu 05.10 | Fri 06.10 | Sat 07.10 |
|---|---|---|---|---|---|---|---|
| 2 | 3 | 2 | 5 | 5 | 4 | 4 | |
| 1 | --- | --- | 3 | 3 | 3 | 2 | |
| 1 | 2 | --- | 2 | 3 | 3 | 2 |
Weekly direct flights for Sun 08.10 - Sat 14.10
| Airline | Sun 08.10 | Mon 09.10 | Tue 10.10 | Wed 11.10 | Thu 12.10 | Fri 13.10 | Sat 14.10 |
|---|---|---|---|---|---|---|---|
| 5 | 5 | 5 | 5 | 5 | 4 | 4 | |
| 3 | 2 | 2 | 3 | 3 | 1 | 2 | |
| --- | --- | --- | --- | --- | 1 | 1 |
Weekly direct flights for Sun 15.10 - Sat 21.10
| Airline | Sun 15.10 | Mon 16.10 | Tue 17.10 | Wed 18.10 | Thu 19.10 | Fri 20.10 | Sat 21.10 |
|---|---|---|---|---|---|---|---|
| 3 | 5 | 5 | 5 | 5 | 4 | 5 | |
| 1 | 1 | 2 | 3 | --- | 1 | 2 | |
| 1 | 2 | --- | --- | 3 | 2 | --- |
Check-in for a flight from Chicago to San Diego
| Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
|---|---|---|---|---|
| Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
| American Airlines | AAL | AA | No | No |
| Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
| United Airlines | UAL | UA | Yes | No |
| Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
Learn more about COVID-19 restrictions in United States in our dedicated Stories article.
Frequently asked questions
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Airports near Chicago
- O Hare International
- Chicago Midway International
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- Quad City International
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- Chicago Rockford International