- Must visit
San Diego Museum of Art
Major Balboa Park museum with works from Spanish old masters to modern art, plus strong regional and international exhibitions.
Cheapest price
$95
Average price
$240
Fastest journey
4 h 22 m
Average duration
4 h 32 m
Flights per day
8
Distance
2784 km
The best way to find a cheap flight ticket from Chicago, IL to San Diego, CA is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Chicago, IL to San Diego, CA will cost around $240 if you buy it on the day, but the cheapest tickets can be found for only $95.
Of the 8 flights that leave Chicago, IL for San Diego, CA onTue, Aug 04, 8 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Tue, Aug 04 the direct flights cover the 2784 km distance in an average of 4 h 32 m but if you time it right, some flights will get you there in just 4 h 22 m .
On Tue, Aug 04 the longest flights will take 4 h 45 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.










Flights from Chicago, IL to San Diego, CA depart on average 40 times per day, taking around 4h 53m. Cheap flight tickets for this journey start at $58 (€48) if you book in advance.
There are 9 flights per day. The earliest flight runs at 05:00, the last at 23:58. The fastest flight covers the 1729 miles (2784 km) distance in 4h 18m. October is the cheapest month to fly.
Distance 1729 miles (2784 km) |
Average flight duration 4h 53m |
Cheapest ticket price $58 (€48) |
Flights per day 40 |
Direct flights 9 |
Fastest flight 4h 18m |
First flight 5:00 AM |
Last flight 11:58 PM |
Cheapest Month Oct |
Cheapest Day Sat |
High Season Apr - Jun |
Low Season Oct - Dec |
Busiest Day Sat |
Least Busy Day Sat |
Best time to book 14 days |
The table below shows live departures for Chicago, IL to San Diego, CA flights for today, Sunday, August 2. You can also manually refresh the results below to see updated flight journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
![]() | 9:07 PM Chicago, IL | 4h45 | 1:52 AM San Diego, CA | 0 transfersDirect | |
![]() | 9:44 PM Chicago, IL | 4h42 | 2:26 AM San Diego, CA | 0 transfersDirect | |
![]() | 11:06 PM Chicago, IL | 4h37 | 3:43 AM San Diego, CA | 0 transfersDirect | |
![]() | 11:49 PM Chicago, IL | 4h31 | 4:20 AM San Diego, CA | 0 transfersDirect | |
| Monday, August 3 | |||||
![]() | 2:00 AM Chicago, IL | 4h33 | 6:33 AM San Diego, CA | 0 transfersDirect | |
![]() | 12:40 PM Chicago, IL | 4h49 | 5:29 PM San Diego, CA | 0 transfersDirect | |
This is the last flight of the day. | |||||
Find all the dates and times for this journey
Discover the best of San Diego, CA — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect San Diego, CA trip today.
Major Balboa Park museum with works from Spanish old masters to modern art, plus strong regional and international exhibitions.
Acclaimed contemporary art museum in La Jolla featuring oceanfront settings, modern works, and rotating global exhibitions.
Museum aboard a historic aircraft carrier with restored aircraft, naval exhibits, and immersive views of life at sea.
Balboa Park is San Diego's grand cultural park, packed with gardens, architecture, museums, and walkable plazas worth lingering in.
Historic Gaslamp Quarter offers Victorian-era streets, nightlife energy, and preserved downtown architecture for an atmospheric walk.
Dramatic seaside cliffs and walking paths in La Jolla, famous for waves, sea lions, and sweeping Pacific views.
A San Diego staple: grilled fish in a soft tortilla with cabbage, crema, and salsa. Popularized by Baja influence and coastal seafood culture.
French fries, carne asada, cheese, guacamole, and crema wrapped in a flour tortilla. A late-night local favorite born in San Diego taquerias.
Fresh local sea urchin served raw, prized for its rich, buttery taste. It reflects San Diego's access to Pacific seafood and sushi culture.
Celebrated sushi restaurant specializing in omakase and pristine seafood, including uni. Intimate, polished, and highly respected by locals.
Iconic casual seafood counter known for fish tacos, smoked fish, and harbor views. A classic stop for San Diego's Baja-inspired seafood style.
Refined fine-dining restaurant showcasing local seafood and seasonal California ingredients. Elegant room with one of the city's strongest reputations.
San Diego is pricey for US travel, with higher hotel rates, dining, and parking than many cities, though casual food and buses stay manageable.
Tip 18-20% at restaurants, 15-20% for taxis or rideshares, and $1-2 for coffee drinks or small cafe orders.
Find answers to the most common questions about traveling from Chicago, IL to San Diego, CA by flight. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest flight, the cheapest option, or tips for making the most of your visit at San Diego, CA, this guide helps you travel smarter and with confidence.

Most Chicago, IL to San Diego, CA flights use the O'Hare International Airport to San Diego International Airport airport pair, with some services landing at McClellan-Palomar Airport. Use this guide to compare Chicago, IL and San Diego, CA airports on this route, check city-centre transport, alongside checking practicalities like airport facilities and services.
O'Hare International Airport is 3 km from Chicago city centre. Public transport options include:
O'Hare International Airport has practical services for this route, including Wifi, Shopping, Parking, Dining, ATM, Taxis, Accessibility, WC, Hotel, Shower, Lounge, Lost and Found Office, and Car Rental.
Food options include: Restaurants are located in all terminals, offering a variety of cuisines including American and intertiol. Top options include Tortas Frontera and Publican Tavern.
Free Wi-Fi available throughout the airport. ATMs are located throughout all terminals.
Lost and found is available at the station.
Available at O'Hare International Airport: Parking, Taxis, WC.
Available at O'Hare International Airport: Car Rental.
Accessibility facilities are available at O'Hare International Airport: Elevators, ramps, toilets.
Nearby hotels include Hotels such as Hilton Chicago O'Hare are located on airport grounds, with others like the Hyatt Regency nearby..
San Diego International Airport is 4 km from San Diego city centre. Public transport options include:
San Diego International Airport has practical services for this route, including Wifi, Shopping, Parking, Dining, ATM, Taxis, Accessibility, WC, Hotel, Shower, Lounge, Lost and Found Office, and Car Rental.
Food options include: Restaurants in terminals 1 and 2, including fast food and sit-down options like The Counter and Phil's BBQ
Free Wi-Fi available throughout the airport. ATMs are located in all terminals.
Lost and found is available at the station.
Available at San Diego International Airport: Parking, Taxis, WC.
Available at San Diego International Airport: Car Rental.
Accessibility facilities are available at San Diego International Airport: Elevators, ramps.
Nearby hotels include Hotels nearby, Sheraton San Diego Hotel & Mari within walking distance..
McClellan-Palomar Airport has practical services for this route, including Accessibility.
Accessibility facilities are available at McClellan-Palomar Airport: The place has an entrance that is wheelchair-accessible.
Here are some other resources that might have the information you need