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Journey information
Overview: Chicago, IL to San Diego, CA flight
USAUSA
Flights from Chicago, IL to San Diego, CA depart on average 37 times per day, taking around 4h 53m. Cheap flight tickets for this journey start at $73 (€59) if you book in advance.
There are 8 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 29m. April is the cheapest month to fly.
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Distance 1729 miles (2784 km) |
Average flight duration 4h 53m |
Cheapest ticket price $73 (€59) |
Flights per day 37 |
Direct flights 8 |
Fastest flight 4h 29m |
First flight 05:00 |
Last flight 23:58 |
Cheapest month Apr |
Cheapest day Sat |
High season Apr - Jun |
Low season Oct - Dec |
Busiest day Thu |
Least busy day Thu |
Best day to book ahead 14 days |
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
The cheapest and fastest flights from Chicago, IL to San Diego, CA
Showing times and prices for Mar 22
Cheapest price
$73
Average price
$192
Fastest journey
4 h 28 m
Average duration
4 h 34 m
Flights per day
5
Distance
2784 km
Cheap tickets
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 $192 if you buy it on the day, but the cheapest tickets can be found for only $73.
Fast flights
Of the 5 flights that leave Chicago, IL for San Diego, CA onSun, Mar 22, 5 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Sun, Mar 22 the direct flights cover the 2784 km distance in an average of 4 h 34 m but if you time it right, some flights will get you there in just 4 h 28 m .
On Sun, Mar 22 the longest flights will take 4 h 37 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.
12:10AM4h35
Chicago, IL04:45AMSan Diego, CA
$731One-way
0 transfers
01:50AM4h36
Chicago, IL06:26AMSan Diego, CA
$861One-way
0 transfers
02:25AM4h28
Chicago, IL06:53AMSan Diego, CA
$2411One-way
0 transfers
02:00PM11h20
Chicago, IL01:20AMSan Diego, CA
$2711One-way
0 transfers
01:14AM4h37
Chicago, IL05:51AMSan Diego, CA
$2911One-way
0 transfers
02:25AM4h28
Chicago, IL06:53AMSan Diego, CA
$2411One-way
0 transfers
12:10AM4h35
Chicago, IL04:45AMSan Diego, CA
$731One-way
0 transfers
01:50AM4h36
Chicago, IL06:26AMSan Diego, CA
$861One-way
0 transfers
04:05PM4h36
Chicago, IL08:41PMSan Diego, CA
$3661One-way
0 transfers
01:14AM4h37
Chicago, IL05:51AMSan Diego, CA
$2911One-way
0 transfers
Travel Information
Compare train, bus, and flight for Chicago, IL to San Diego, CA
Omio recommends booking the train as it is the most popular option from Chicago, IL to San Diego, CA among Omio's users. If you are prioritising price take the flight with prices starting from $73. For those with little time consider booking a flight which can get you there in 4h 53m. In case you are seeking to minimise your carbon footprint the train is your best bet as it emits only 0.8 - 2.5kg. The ticket price range depends on the travel mode: a flight costs an average of $73, and a train costs an average of $199.
Distance: 1729 miles (2784 km)
Compare flight with
| Flight | Most popular Train | Bus |
|---|---|---|
$320 Average price Cheapest | $515 Average price | $343 Average price |
7h 53m Average total duration Fastest 4h 53m Onboard + 3h 0m Additional time* | 49h 59m Average total duration 49h 29m Onboard + 30m Additional time* | 48h 18m Average total duration 47h 48m Onboard + 30m Additional time* |
8.4 - 16.7kg CO2 emissions | 0.8 - 2.5kg CO2 emissions Lowest | 2.8 - 7.0kg CO2 emissions |
Most popular airline |  Most popular train company |  Most popular bus company |
Direct Options | Direct Options | Direct Options |
Additional time: Average total travel duration to departure point, security checks and transfers.
Live departures
Chicago, IL to San Diego, CA flight times
The table below shows live departures for Chicago, IL to San Diego, CA flights for today, Friday, March 20. You can also manually refresh the results below to see updated flight journeys.
Last updated at 10:45 AM
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
| 3:50 PM Chicago, IL | 4h33 | 8:23 PM San Diego, CA | 0 transfersDirect | |
 | 5:36 PM Chicago, IL | 7h31 | 1:07 AM San Diego, CA | 0 transfersDirect | |
| Saturday, March 21 | |||||
| 12:10 AM Chicago, IL | 4h35 | 4:45 AM San Diego, CA | 0 transfersDirect | |
| 1:14 AM Chicago, IL | 4h37 | 5:51 AM San Diego, CA | 0 transfersDirect | |
| 1:50 AM Chicago, IL | 4h36 | 6:26 AM San Diego, CA | 0 transfersDirect | |
| 2:25 AM Chicago, IL | 4h28 | 6:53 AM San Diego, CA | 0 transfersDirect | |
| 2:58 AM Chicago, IL | 4h46 | 7:44 AM San Diego, CA | 0 transfersDirect | |
This is the last flight of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets Chicago, IL to San Diego, CA by train, bus, or flight
Compare train, bus, and flight prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
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Why should you book Chicago, IL to San Diego, CA flights with Omio?
American Airlines as well as Spirit Airlines or United offer flights services from Chicago, IL to San Diego, CA.
Omio is an official ticket reseller for all your travel options from Chicago, IL to San Diego, CA.
Why book with Omio vs American Airlines?
- Compare with other providers: On Omio, you can not only buy tickets for American Airlines, but also compare tickets for the likes of Spirit Airlines or United to find the best option for your trip from Chicago, IL to San Diego, CA.
- Designed for International Travelers: Omio is in your language including 24/7 customer service and offers multiple payment options, including PayPal, credit cards, and bank transfer, in your preferred currency.
- Compare all your options: Omio allows you to compare American Airlines with all available travel options, which are train, bus and flight to ensure you get the best deal for traveling from Chicago, IL to San Diego, CA.
Why book with Omio over Trip, Edreams or Skyscanner?
- Compare with other providers: On Omio, you can also compare tickets for the likes of Spirit Airlines or United to find the best option for your trip from Chicago, IL to San Diego, CA.
- Multiple modes of transport: Omio allows you to compare travel options including train, bus and flight to find the ideal travel option from Chicago, IL to San Diego, CA.
Airlines: American Airlines, Spirit Airlines, United from Chicago, IL to San Diego, CAFind the best flights between Chicago, IL to San Diego, CA with Omio's travel partners American Airlines, Spirit Airlines, United from $73 (€59). We can find you the best deals, schedules and tickets when comparing and booking the best trip.
United
About
United Airlines, established in 1926, is a major U.S. airline headquartered in Chicago, Illinois. Operating an extensive domestic and international network, United serves more destinations than any other airline, connecting travelers across six continents. The airline's eight hubs include Chicago–O'Hare, Denver, Houston–Intercontinental, Los Angeles, Newark, San Francisco, Washington–Dulles, and Guam. As a founding member of the Star Alliance, United offers a comprehensive range of services, including regional flights through United Express, catering to both leisure and business travelers. The airline is committed to sustainability, investing in sustainable aviation fuel and innovative technologies to reduce its environmental impact.
Luggage & cancellation policy
Average Duration
4h 29m
Cheapest Price
$399 (€324)
United frequency
33 a day
Luggage included
Carry-on baggage allowance is 7kg total (2 pieces max. ) for both Choice and Flex fares on United Airlines and Virgin Australia flights.
Additional luggage
Excess baggage fees apply for additional checked luggage beyond the standard allowance.
Luggage storage
Both airlines provide checked baggage services for storing luggage during flights.
Cancellation Policy
Cancellation fees apply per person, per booking, with specific fees for different fare types.
Refund
Not applicable to flights; however, full refunds are available if flights are canceled by the airline.
Pregnant on board
Pregnant passengers are permitted to travel, with specific guidelines and medical certificates required after a certain gestational period.
Unaccompagned minor
Unaccompanied minors are permitted to travel, with specific age restrictions and services provided.
Amenities on board the airplane
Wifi
Food sold onboard
Meals and snacks are included on international flights operated by United Airlines and Virgin Australia.
Seat reservation
Seat selection may incur additional fees, depending on the fare type and airline.
Toilets
USB plugs
Accessibility
United Airlines and Virgin Australia offer services to and within Australia, providing accessible travel options for passengers with mobility needs.
Bikes
Both airlines permit bicycles onboard, with specific guidelines and fees.
Pets
United Airlines and Virgin Australia allow pets onboard, subject to specific policies and fees.
American Airlines
About
American Airlines is one of the largest airlines in the world, connecting travelers to hundreds of destinations across the United States, Latin America, Europe, Asia, and beyond. Operating from major hubs such as Dallas/Fort Worth, Miami, and Charlotte, American offers a wide range of travel options. Passengers can choose from Economy with affordable fares, Premium Economy with extra space, or Business and First Class featuring flat-bed seats, premium dining, and lounge access. With a modern fleet and membership in the oneworld alliance, American Airlines combines global reach with comfort and reliability.
Luggage & cancellation policy
Average Duration
4h 29m
Cheapest Price
$73 (€59)
American Airlines frequency
6 a day
Luggage included
1 carry-on bag (22 x 14 x 9 inches) and 1 personal item (18 x 14 x 8 inches) included in most fares
Additional luggage
Checked bags fees vary by route. First checked bag typically $30, second $40 on domestic flights
Cancellation Policy
Basic Economy tickets cannot be changed or refunded. Other fares allow changes with fee, refunds subject to fare rules.
Pregnant on board
Passengers can fly up to 36 weeks for single pregnancies, 32 weeks for multiple pregnancies. Medical certificate required within 7 days of departure if within 4 weeks of due date.
Unaccompagned minor
Children ages 5-14 can travel alone using American Airlines Unaccompanied Minor Service. Service fee is $150 each way.
Amenities on board the airplane
Wifi
Food sold onboard
USB plugs
Accessibility
American Airlines provides wheelchair assistance and special services for passengers with disabilities. Assistance must be requested at least 48 hours before departure.
Pets
Small dogs and cats allowed in cabin for $125 fee. Must be in approved carrier under seat. Service animals allowed.
Spirit Airlines
About
Spirit Airlines is an American ultra-low-cost carrier, headquartered in Dania Beach, Florida, operating scheduled flights throughout the United States, the Caribbean, and Latin America. Known for its distinctive bright yellow planes, Spirit's business model traditionally focuses on offering low base fares by unbundling services, allowing passengers to pay only for the amenities they choose, such as baggage and seat selection. As of August 2024, Spirit is evolving its offerings, introducing new fare tiers like "Go Big," "Go Comfy," "Go Savvy," and "Go," which include various bundled perks such as wider seats, extra legroom, priority boarding, and in-flight refreshments. Spirit was the seventh largest passenger carrier in North America as of 2023.
Luggage & cancellation policy
Average Duration
7h 16m
Cheapest Price
$46 (€38)
Spirit Airlines frequency
3 a day
Luggage included
Personal item (18 x 14 x 8 inches) included
Additional luggage
Checked bags: First bag $79-89, Second bag $89-99, Additional bags $105-110
Cancellation Policy
Cancellation within 24 hours of booking is free, after that fees apply based on fare type and timing
Pregnant on board
Up to 7 days before departure with medical certificate. After 28 weeks, medical certificate required
Unaccompagned minor
Ages 5-14 can travel as unaccompanied minors for $100 fee per direction. Service not available on international flights or connecting flights
Amenities on board the airplane
Wifi
Accessibility
Spirit Airlines offers assistance for passengers with disabilities, including wheelchair services and priority boarding. Passengers are encouraged to request assistance at least 48 hours in advance to ensure availability.
FAQs: Chicago, IL to San Diego, CA Flight
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.
Cheap plane tickets from Chicago, IL to San Diego, CA can start from as little as $73 (€59) when you book in advance. The average flight ticket price for Chicago, IL to San Diego, CA is $320 (€260) ; however, prices vary depending on the time of day and class and they tend to be more expensive on the day.
The average journey time by plane from Chicago, IL to San Diego, CA is 4h 29m to travel the 1729 miles (2784 km) long route. Journey times can vary on weekends and holidays, so use our Journey Planner to search for a specific date.
The earliest flight from Chicago, IL to San Diego, CA leaves at 5:00 AM. Plan your trip with the Journey Planner from Omio.
The latest flight from Chicago, IL to San Diego, CA leaves at 11:58 PM.
Yes, there are 8 direct flights a day from Chicago, IL to San Diego, CA with American Airlines, United. Schedules can vary on holidays or weekends with fewer direct flights.
When taking a flight from Chicago, IL to San Diego, CA, you can count on American Airlines, Spirit Airlines, United for the best way to get you to San Diego, CA. You can also check all possible airlines who offer a service between Chicago, IL and San Diego, CA and compare the amenities they offer before buying a plane ticket.
Flights from Chicago, IL to San Diego, CA generally leave from O'Hare International Airport and arrive in San Diego International Airport.O'Hare International Airport is 1 miles (3 km) away from Chicago, IL city centre and San Diego International Airport is 2 miles (4 km) from San Diego, CA city centre.
The cheapest month for a flight from Chicago, IL to San Diego, CA is April.
It's helpful to compare your options as there are 3 ways to travel between Chicago, IL and San Diego, CA including taking a train, bus, and flight.
Since neither Chicago, IL nor San Diego, CA are in the Schengen Area, passport requirements depend on the specific immigration rules of United States and United States. Entry and visa requirements can be subject to change. For the latest information, check with your destination's embassy or consulate.
There is a time difference of 2 h between Chicago, IL and San Diego, CA all year round.
The best events to attend in San Diego, CA include:
- Comic-Con International, the largest comic book and popular arts convention in the world
- San Diego County Fair, a month-long fair featuring rides, games, and local food
- San Diego Beer Week, a celebration of craft beer with tastings and events across the county
- La Jolla Music Festival, an annual event showcasing classical music performances in a picturesque coastal setting.
The best holidays to experience in San Diego, CA include:
- Memorial Day, ideal weather for beach activities and outdoor events
- Independence Day, spectacular fireworks and patriotic celebrations
- Labor Day, perfect for enjoying the last days of summer at the beach
- Thanksgiving, a time for family gatherings with pleasant fall weather.
The best season to visit San Diego, CA is Spring or Fall. The best weather to explore San Diego, CA is during April-June or September-November.
For domestic flights we recommend to arrive 1.5 to 2 hours before departure. Please check the website of your departure airport if in doubt. Some airports may offer booking time slots for security checks or offer additional information on when to get there based on time of day.
Most airlines permit carry-on bags that fit within specific dimensions (e.g., 22 x 14 x 9 inches or 56 x 36 x 23 cm), including handles and wheels. Bags must fit in the overhead bin or under the seat in front of you.
Many airlines impose weight limits, commonly ranging between 7 kg (15 lbs) and 12 kg (26 lbs). Typically, passengers are allowed one carry-on bag and one personal item (for example a purse, laptop bag, or backpack). Personal items must fit under the seat in front of you. Budget Airlines (like Ryanair or Wizz Air) have stricter size and weight limits, often requiring fees for larger carry-ons. Full-Service Airlines have more lenient policies, sometimes including more spacious dimensions or higher weight limits depending on your ticket class.
The list of items prohibited on an airplane varies by country and airline, but in general, the following items are not allowed in carry-on or checked baggage: Weapons and self-defence items, sharp objects, flammable materials, explosives, toxic substances, or liquids over 100ml (except for medications and baby essentials). In checked baggage, firearms (without authorization), explosives, large lithium batteries, and hazardous chemicals are prohibited. Electronic cigarettes must be in carry-on bags, while alcohol and dry ice have restrictions. Always check with your airline for specific regulations.
popular airports
Popular airports from Chicago, IL to San Diego, CA
Chicago
San Diego
The major airport for departures in Chicago is O'Hare International Airport. Find all the information you need to know about services, amenities and connections at O'Hare International Airport for your trip from Chicago to San Diego.
Amenities at airport
Wifi
Shopping
Parking
Dining
ATM
Taxis
Accessibility
WC
Hotel
Shower
Lounge
Lost and Found Office
Car Rentalinformation
Distance to city center
3 km
Car connection
I-190, Exit 1Wifi
- Free Wi-Fi available throughout the airport.
Shopping
- Shops are located in all terminals, including duty-free and brands like Hudson and MAC Cosmetics.
Parking
- Parking available with options including hourly, daily, and economy lots, approximately 2.85€ ($3) per hour.
Dining
- Restaurants are located in all terminals, offering a variety of cuisines including American and intertiol. Top options include Tortas Frontera and Publican Tavern.
Taxis
- Available outside the terminal.
Accessibility
- Elevators, ramps, toilets
WC
- Available throughout the airport.
Hotel
- Hotels such as Hilton Chicago O'Hare are located on airport grounds, with others like the Hyatt Regency nearby.
Shower
- Showers are available in some lounges, such as the United Club, but access may require a fee or membership.
Lounge
- Lounges available, including United Club and American Airlines Admirals Club.
Lost and Found Office
- Lost and Found located in terminal 1, near the baggage claim area.
Car Rental
- Car rental services are available at the Multi-Modal Facility, with companies like Hertz and Avis.
Public transit options for O'Hare International Airport
- CTA Blue Line, O'Hare Station, 45 minutes to city center
The major airport for arrivals in San Diego is San Diego International Airport. Find all the information you need to know about services, amenities and connections at San Diego International Airport for your journey to San Diego from Chicago.
Amenities at airport
WifiShoppingParkingDiningATMTaxisAccessibilityWCHotelShowerLoungeLost and Found OfficeCar Rentalinformation
Distance to city center
4 kmCar connection
I-5, exit Sassafras StWifi
- Free Wi-Fi available throughout the airport.
Shopping
- Shops in terminals 1 and 2, including Duty-Free and Hudson News.
Parking
- Parking available, price varies.
Dining
- Restaurants in terminals 1 and 2, including fast food and sit-down options like The Counter and Phil's BBQ
Taxis
- Available outside the terminal.
Accessibility
- Elevators, ramps
WC
- Available throughout the airport.
Hotel
- Hotels nearby, Sheraton San Diego Hotel & Mari within walking distance.
Shower
- Showers available at the Airspace Lounge, access fee required.
Lounge
- Lounges available, including United Club and Airspace Lounge.
Lost and Found Office
- Lost and Found located in terminal 2 East, baggage claim area.
Car Rental
- Car rental services available at Rental Car Center, free shuttle from terminals
Public transit options for San Diego International Airport
- Bus Route 992, Airport Station, 4.8 km
More options for your journey from Chicago, IL to San Diego, CA
Here are some other resources that might have the information you need
Most popular flights to and from San Diego, CA and Chicago, IL
Most popular flights to San Diego, CA
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