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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 29 times per day, taking around 4h 55m. Cheap flight tickets for this journey start at $46 (€38) if you book in advance.
There are 7 flights per day. The earliest flight runs at 05:00, the last at 23:10. The fastest flight covers the 1729 miles (2784 km) distance in 4h 14m. 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 55m |
Cheapest ticket price $46 (€38) |
Flights per day 29 |
Direct flights 7 |
Fastest flight 4h 14m |
Cheapest month to travel April |
First flight 05:00 |
Last flight 23:10 |
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 Nov 05
Cheapest price
$84
Average price
$206
Fastest journey
7 h 16 m
Average duration
10 h 27 m
Flights per day
3
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 $206 if you buy it on the day, but the cheapest tickets can be found for only $84.
Fast flights
Of the 3 flights that leave Chicago, IL for San Diego, CA onWed, Nov 05, 3 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Wed, Nov 05 the direct flights cover the 2784 km distance in an average of 10 h 27 m but if you time it right, some flights will get you there in just 7 h 16 m .
On Wed, Nov 05 the longest flights will take 14 h 16 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.
11:21PM7h16
Chicago, IL06:37AMSan Diego, CA
$841One-way
0 transfers
04:21PM14h16
Chicago, IL06:37AMSan Diego, CA
$2241One-way
0 transfers
08:18PM9h48
Chicago, IL06:06AMSan Diego, CA
$3111One-way
0 transfers
11:21PM7h16
Chicago, IL06:37AMSan Diego, CA
$841One-way
0 transfers
08:18PM9h48
Chicago, IL06:06AMSan Diego, CA
$3111One-way
0 transfers
04:21PM14h16
Chicago, IL06:37AMSan Diego, CA
$2241One-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 bus with prices starting from €98. For those with little time consider booking a flight which can get you there in 4h 55m. 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 bus costs an average of €98, and a train costs an average of €161.
Distance: 1729 miles (2784 km)
Compare flight with
| Flight | Most popular Train | Bus |
|---|---|---|
€205 Average price | €290 Average price | €182 Average price Cheapest |
7h 55m Average total duration Fastest 4h 55m Onboard + 3h 0m Additional time* | 50h 38m Average total duration 50h 8m Onboard + 30m Additional time* | 45h 8m Average total duration 44h 38m 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, Tuesday, November 4. You can also manually refresh the results below to see updated flight journeys.
Last updated at 5:38 PM
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
 | 10:00 PM Chicago, IL | 4h16 | 2:16 AM San Diego, CA | 0 transfersDirect | |
| 11:21 PM Chicago, IL | 15h00 | 2:21 PM San Diego, CA | 0 transfersDirect | |
| Wednesday, November 5 | |||||
| 4:21 PM Chicago, IL | 14h16 | 6:37 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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Nov 05
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Airlines: Spirit Airlines, American Airlines, United from Chicago, IL to San Diego, CAFind the best flights between Chicago, IL to San Diego, CA with Omio's travel partners Spirit Airlines, American Airlines, United from $46 (€38). We can find you the best deals, schedules and tickets when comparing and booking the best trip.
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 14m
Cheapest Price
$104 (€85)
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.
Entertaiment on board
United
About
United Airlines is one of the USA’s leading carriers, operating both domestic and international routes. For your next trip, you can choose from Economy, Premium Economy, and Business Class fares.
Luggage & cancellation policy
Average Duration
6h 19m
Cheapest Price
$377 (€308)
United frequency
17 a day
Luggage included
One carry-on bag (9 x 14 x 22 inches) and one personal item (9 x 10 x 17 inches)
Additional luggage
Checked baggage fees vary by route and fare class. Most economy tickets allow purchase of up to 2 checked bags
Cancellation Policy
Basic Economy tickets are non-refundable, other fares allow changes/cancellations with fee depending on fare type and elite status
Pregnant on board
Passengers can fly through the end of their 36th week for single pregnancies, 32nd week for multiple pregnancies. Medical certificate required within 4 weeks of flight
Unaccompagned minor
Children ages 5-14 can travel as unaccompanied minors with mandatory service. Ages 15-17 optional service available
Amenities on board the airplane
Wifi
USB plugs
Accessibility
United provides assistance for passengers with disabilities, including wheelchair assistance and support for passengers with visual or hearing impairments
Pets
Small dogs and cats in cabin, service animals allowed. Pets must be in approved carriers and booked in advance
Entertaiment on board
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)
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 $55 (€45) when you book in advance. The average flight ticket price for Chicago, IL to San Diego, CA is $253 (€207); however, prices vary depending on the time of day and class and they tend to be more expensive on the day.
On average the Chicago, IL to San Diego, CA flight travel time is 4 h 14 min for the 1726 mile (2784 km) long route, but the duration can vary if you travel on weekends and holidays.
The earliest flight from Chicago, IL to San Diego, CA leaves at 5: 00AM. Plan your trip with the Journey Planner from Omio.
The latest flight from Chicago, IL to San Diego, CA leaves at 11: 53PM.
Yes, it is possible to travel from Chicago, IL to San Diego, CA without having to change trains with United. There are 8 direct flights from Chicago, IL to San Diego, CA each day. There may be fewer direct services available on weekends or holidays.
For the best Chicago, IL to San Diego, CA flight to buy, you can travel safely and comfortably with American Airlines, United or Spirit Airlines. However, it's always good to check all possible airlines with services to San Diego, CA from Chicago, IL to compare what amenities they may offer.
The cheapest month for a flight from Chicago, IL to San Diego, CA is September.
It's helpful to compare your options as there are 3 ways to travel between Chicago, IL and San Diego, CA including taking a bus, train or flight.
Since neither Chicago, IL nor San Diego, CA are in the Schengen Area, passport requirements depend on the specific immigration rules of USA and USA. 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 seasons to visit San Diego, CA are 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.
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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