$127 Find Cheap Flights from San Antonio to Chicago O'Hare Airport - Compare and Save

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

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

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

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

• American Airlines
• United Airlines

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

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

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

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

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

• Economy Class
• Business Class
• First Class

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $174 round-trip via Atlanta Hartsfield-Jackson (ATL), compared to $400 for nonstop.

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 A319 family is used most often on this route, operated mainly by American Airlines and United Airlines. Other aircraft seen on the route include Embraer 175 variants.

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

• Denver Intl (DEN) - 41% of one-stop connections
• Fort Lauderdale (FLL) - 18% of one-stop connections
• Las Vegas Harry Reid Intl (LAS) - 15% of one-stop connections
• Atlanta Hartsfield-Jackson (ATL) - 14% of one-stop connections

Denver Intl (DEN) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 22% on the San Antonio to Chicago O'Hare Intl Airport route. Tuesday is the cheapest departure day at $366 round-trip on average, while Sunday is the most expensive at $465, a difference of $99. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Morning is the busiest departure period on San Antonio to Chicago O'Hare Intl Airport flights, with 34% of flights leaving in that window. Afternoon departures account for 33%, evening flights for 33%, and night flights for 0%.

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

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

• Earliest: departs at 6:30 am and lands at 9:33 am
• Latest: departs at 6:52 pm and lands at 9:55 pm.

The flight takes about 3h 03m.

Last-minute fares on this route - booked within 2 weeks of departure - run 85% above the route average of $387. Book 5 weeks before departure for the lowest fares.

A nonstop flight from San Antonio to Chicago O'Hare Intl Airport takes 3h 03m, covering 1,042 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.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $268 to $2,341. That means the highest observed fare was about 9x higher than the lowest one.

One-way fares from San Antonio to Chicago O'Hare Intl Airport are currently lower than usual. Average one-way flight prices are about $168, which is 31% below the typical average for this route.

Flying via Detroit Metropolitan Wayne County (DTW) gives the shortest average 1-stop total travel time at 5h 36m, compared with 6h 22m via Dallas/Fort Worth (DFW) and 7h 14m via Atlanta Hartsfield-Jackson (ATL).

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
· Dollar
· Ace

Round-trip flights from San Antonio to Chicago O'Hare Intl Airport range from $327 to $504, with an average of $387 over the past 12 months. Anything below $327 counts as a good deal.

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

• • American Airlines
• • JetBlue