$121 Find Cheap Flights from San Diego to Chicago O'Hare Airport - Compare and Save

These are the earliest and latest flight times available from San Diego to Chicago O'Hare Intl Airport:

• Earliest: departs at 6:15 am and lands at 10:32 am
• Latest: departs at 11:00 pm and lands at 3:17 am.

The flight takes about 4h 17m.

Three cabin classes are available on flights from San Diego to Chicago O'Hare Intl Airport:

• Economy Class
• Business Class
• First Class

A nonstop flight from San Diego to Chicago O'Hare Intl Airport takes 4h 17m, covering 1,719 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Round-trip flights from San Diego to Chicago O'Hare Intl Airport range from $263 to $418, with an average of $341 over the past 12 months. Anything below $263 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 38% above the $341 route average. Book 18 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $258 round-trip via Las Vegas Harry Reid Intl (LAS), compared to $342 for nonstop.

United Airlines is slightly above the route average for timely arrivals, while American Airlines has a lower on-time arrival rate. On-time arrival rates on San Diego to Chicago O'Hare Intl Airport flights are:

• United Airlines: 94% on time
• American Airlines: 90% on time
• Alaska Airlines: 88% on time

Overall, flights on this route are punctual 91% of the time on average.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Airbus A321-100/200 family is used most often on this route, operated mainly by American Airlines and United Airlines. Other aircraft seen on the route include Boeing 737 MAX 9 variants.

Morning is the busiest departure period on San Diego to Chicago O'Hare Intl Airport flights, with 47% of flights leaving in that window. Afternoon departures account for 31%, night flights for 15%, and evening flights for 7%.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $246 to $2,338. That means the highest observed fare was about 10x higher than the lowest one.

Three airlines offer in-flight Wi-Fi on San Diego to Chicago O'Hare Intl Airport flights:

• American Airlines
• Alaska Airlines
• JetBlue

Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

One-way fares from San Diego to Chicago O'Hare Intl Airport are currently lower than usual. Average one-way flight prices are about $145, which is 28% below the typical average for this route.

Chicago O'Hare Intl Airport (ORD) hosts 5 major car rental companies, with daily rates starting from around $17 for economy cars. Top options include:

• Routes Car & Truck Rentals
• Europcar
• Hertz
• Ace
• Dollar

Flights from San Diego to Chicago O'Hare Intl Airport usually depart from San Diego (SAN) and arrive at Chicago O'Hare Intl (ORD).

Night flights have the fewest delays on this route, while afternoon departures tend to have the most.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the San Diego to Chicago O'Hare Intl Airport route, 9% of flights were delayed in the past 3 months, with delays averaging 3h 08m.

One-stop flights from San Diego to Chicago O'Hare Intl Airport most commonly connect through:

• Denver Intl (DEN) - 57% of one-stop connections
• Dallas/Fort Worth (DFW) - 15% of one-stop connections
• Phoenix Sky Harbor Intl (PHX) - 15% of one-stop connections
• Las Vegas Harry Reid Intl (LAS) - 7% of one-stop connections

Yes. Flexible dates can save you up to 17% on flights from San Diego to Chicago O'Hare Intl Airport. Saturday is the cheapest departure day at $321 round-trip on average, while Sunday is the most expensive at $385, a difference of $64.

Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

3 airlines operate flights between San Diego and Chicago O'Hare Intl Airport. The airlines offering nonstop flights on this route include:

• American Airlines
• United Airlines
• Alaska Airlines

Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 6h 19m, compared with 7h 04m via Los Angeles (LAX) and 9h via Phoenix Sky Harbor Intl (PHX).

Chicago O'Hare Intl Airport is 2 hours ahead of San Diego (Central Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Chicago O'Hare Intl Airport are Magnificent Mile, Grant Park and Soldier Field. These are among the most viewed places in Chicago O'Hare Intl Airport on KAYAK.

Among airlines operating San Diego to Chicago O'Hare Intl Airport flights:

• American Airlines: offers extra legroom; offers free seat selection
• Alaska Airlines: offers extra legroom; offers free seat selection
• United Airlines: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• American Airlines: a cabin bag and a checked bag in Economy Class
• Alaska Airlines: a cabin bag and a checked bag in Economy Class
• United Airlines: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

ORD, Chicago’s primary hub, is organized into four terminals (Terminals 1, 2, 3, and 5). You can get across all terminals with either airport shuttles or the ATS train. ORD terminals are linked to Parking Lot 5 by shuttle buses, whereas the Main Parking Garage, the Hilton Hotel, Shuttle Centre on Level 1, and the domestic terminals (Terminals 1, 2, and 3) are linked by the Pedestrian Tunnel Level.

If you can’t bear to go on your trip to ORD without your pet companion, ORD is welcoming to four-legged companions. The airport features six pet relief zones: the multi-modal facility and the lower levels of Terminals 1, 2, and 5 are your outdoor alternatives, while the Indoor alternatives are available in the Rotunda Area, Terminal 3. ORD's pet policy, like most airports, requires all dogs to be kenneled while in the airport.

Lactating moms with flight tickets from San Diego to Chicago O’Hare Airport can take advantage of the three nursing rooms located after security in Terminals 1 and 2, which feature amenities like soothing lighting, cozy lighting, electrical outlets, and washing stations. Older kids will appreciate behind-the-scenes tours of the airport and the walled-off breeding area for the nearly extinct California Least Tern.

Arrive at Chicago O’Hare Airport stress-free with the knowledge that your car will be taken care of at San Diego Airport. Short-term parking is conveniently accessible from the Terminal 1 Parking Lot and Terminal 2 Parking Plaza. Long-term parking is cheaper than short-term and is found at the Long-term Lot on Harbor Drive. Passengers will have to board an airport shuttle bus to the airport premises. Access the airport’s Economy Lot off Pacific Highway for the most pocket-friendly pricing.