£146 Cheap Flights from Chicago (ORD) to San Antonio (SAT)

You can find one-way and return flights from ORD to SAT with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when ORD to SAT ticket fares go up or down.

The cheapest months to fly from Chicago, IL (ORD) to San Antonio, TX (SAT) are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.

Enter ORD to SAT and your travel dates, then apply the 'Nonstop' filter to see only direct flights.

To find a cheap flight from Chicago, IL (ORD-O'Hare Intl.) to San Antonio, TX (SAT-San Antonio Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

The best airline to fly with from Chicago, IL (ORD-O'Hare Intl.) to San Antonio, TX (SAT-San Antonio Intl.) will differ from traveler to traveler. If you like to fly early, American Airlines offers early morning flights. If price is the most important factor, American Airlines typically offers the lowest fares. American Airlines offers the most daily flights from Chicago, IL (ORD-O'Hare Intl.) to San Antonio, TX (SAT-San Antonio Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.

The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.

You'll find approximately 7 nonstop flights per day from Chicago, IL (ORD-O'Hare Intl.) to San Antonio, TX (SAT-San Antonio Intl.). For even more choices, look at flights that include layovers. There are around 93 connecting flights per day, and some common connection points include Dallas-Fort Worth Intl. (DFW), George Bush Intercontinental (IAH), and Hartsfield-Jackson Atlanta Intl. (ATL).

Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from Chicago, IL (ORD) to San Antonio, TX (SAT). To compare more early flights, use the "Early Morning" and "Morning" filters in your search.

You'll find the most flights from Chicago O'Hare International Airport (ORD) to San Antonio International Airport (SAT) on a Friday, with around 68 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United, American Airlines, and Delta. Fridays and Thursdays tend to have notably more flight options compared to other days of the week.

The most popular departure times for flights from Chicago, IL (ORD-O'Hare Intl.) to San Antonio, TX (SAT-San Antonio Intl.) are between 9am and 12pm. Many major carriers, including American Airlines, United and Delta, offer flights during this window. Many travellers prefer these times as they allow for a good start to the day without being too early, giving you time to get to the airport comfortably.

A nonstop flight from ORD to SAT typically takes around 3 hours 20 minutes, covering approximately 1,679 kilometers. Connecting flights on this route usually add 2 hours 40 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.

Yes, you can fly business class or first class between ORD and SAT. You can fly business class with Frontier Airlines and Delta.

First class cabins are available on Alaska Airlines, Spirit Airlines, United, Delta, and American Airlines.

It's easy to earn miles on a Chicago, IL (ORD) to San Antonio, TX (SAT) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

Typically, booking a last minute flight from Chicago, IL (ORD) to San Antonio, TX (SAT) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Securing a Chicago, IL (ORD) to San Antonio, TX (SAT) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

If you booked your Chicago, IL (ORD-O'Hare Intl.) to San Antonio, TX (SAT-San Antonio Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.