Journey information
Overview: Chicago, IL to San Antonio, TX flight
Flights from Chicago, IL to San Antonio, TX depart on average 53 times per day, taking around 4h 43m. Cheap flight tickets for this journey start at $199 (€162) but you can travel from only $152 (€124) by train.
There are 4 flights per day. The earliest flight runs at 00:15, the last at 23:40. The fastest flight covers the 1050 miles (1691 km) distance in 3h 7m. March is the cheapest month to fly.
Distance 1050 miles (1691 km) |
Average flight duration 4h 43m |
Cheapest ticket price $199 (€162) |
Flights per day 53 |
Direct flights 4 |
Fastest flight 3h 7m |
Cheapest month March |
First flight 12:15 AM |
Last flight 11:40 PM |
The cheapest and fastest flights from Chicago, IL to San Antonio, TX
Cheapest price
$471
Average price
$471
Fastest journey
3 h 13 m
Average duration
3 h 13 m
Flights per day
1
Distance
1691 km
The best way to find a cheap flight ticket from Chicago, IL to San Antonio, TX 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 Antonio, TX will cost around $471 if you buy it on the day, but the cheapest tickets can be found for only $471.
Of the 1 flights that leave Chicago, IL for San Antonio, TX onSat, Apr 04, 1 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Sat, Apr 04 the direct flights cover the 1691 km distance in an average of 3 h 13 m but if you time it right, some flights will get you there in just 3 h 13 m .
On Sat, Apr 04 the longest flights will take 3 h 13 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.
1:59 AM3h13Chicago, IL5:12 AMSan Antonio, TX$4711One-way0 transfers
1:59 AM3h13Chicago, IL5:12 AMSan Antonio, TX$4711One-way0 transfers
Travel Information
Compare train, bus, and flight for Chicago, IL to San Antonio, TX
Omio recommends booking the train as it is the most popular option from Chicago, IL to San Antonio, TX among Omio's users. If you are prioritising price take the train with prices starting from $152. For those with little time consider booking a flight which can get you there in 4h 43m. The ticket price range depends on the travel mode: a train costs an average of $152, and a flight costs an average of $199.
Distance: 1050 miles (1691 km)
Compare flight with
| Flight | Most popular Train | Bus |
|---|---|---|
$362 Average price | $291 Average price Cheapest | $293 Average price |
7h 43m Average total duration Fastest 4h 43m Onboard + 3h 0m Additional time* | 32h 30m Average total duration 32h 0m Onboard + 30m Additional time* | 28h 52m Average total duration 28h 22m Onboard + 30m Additional time* |
![]() Most popular airline | ![]() Most popular train company | ![]() Most popular bus company |
Direct Options | Direct Options | Direct Options |
Live departures
Chicago, IL to San Antonio, TX flight times
The table below shows live departures for Chicago, IL to San Antonio, TX flights for today, Thursday, April 2. You can also manually refresh the results below to see updated flight journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
UA2223 · UA1789 | 11:01 PM O'Hare International Airport | 17h02 | 4:03 PM San Antonio International Airport | 1 transfer | |
AA3019 · AA2281 | 11:49 PM O'Hare International Airport | 5h10 | 4:59 AM San Antonio International Airport | 1 transfer | |
| Friday, April 3 | |||||
AS321 · AS494 | 12:24 AM O'Hare International Airport | 21h30 | 9:54 PM San Antonio International Airport | 1 transfer | |
UA1495 · UA5417 | 12:45 AM O'Hare International Airport | 19h13 | 7:58 PM San Antonio International Airport | 1 transfer | |
UA1278 | 12:50 AM O'Hare International Airport | 3h08 | 3:58 AM San Antonio International Airport | 0 transfersDirect | |
AS1466 · AS1309 · AS494 | 12:59 AM O'Hare International Airport | 20h55 | 9:54 PM San Antonio International Airport | 2 transfers | |
AA3426 | 1:44 AM O'Hare International Airport | 3h12 | 4:56 AM San Antonio International Airport | 0 transfersDirect | |
![]() | 1:59 AM Chicago, IL | 3h13 | 5:12 AM San Antonio, TX | 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 Antonio, TX 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.
Apr 03
Apr 04
Apr 05
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Apr 07
Apr 08
Apr 09
Why should you book Chicago, IL to San Antonio, TX flights with Omio?
Why book with Omio vs Spirit Airlines?
- Compare with other providers: On Omio, you can not only buy tickets for Spirit Airlines, but also compare tickets for the likes of American Airlines to find the best option for your trip from Chicago, IL to San Antonio, TX.
- 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 Spirit 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 Antonio, TX.
Why book with Omio over Edreams, Kayak or Trip?
- Compare with other providers: On Omio, you can also compare tickets for the likes of American Airlines to find the best option for your trip from Chicago, IL to San Antonio, TX.
- 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 Antonio, TX.
Airlines: Spirit Airlines, American Airlines from Chicago, IL to San Antonio, TXFind the best flights between Chicago, IL to San Antonio, TX with Omio's travel partners Spirit Airlines, American Airlines from $152 (€124). We can find you the best deals, schedules and tickets when comparing and booking the best trip.
American Airlines
Spirit Airlines
FAQs: Chicago, IL to San Antonio, TX Flight
Find answers to the most common questions about traveling from Chicago, IL to San Antonio, TX 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 Antonio, TX, this guide helps you travel smarter and with confidence.

- Fiesta San Antonio, a vibrant celebration featuring parades, live music, and cultural events honoring the city's diverse heritage
- San Antonio Stock Show & Rodeo, a thrilling event showcasing rodeo competitions, livestock shows, and live entertainment
- Diwali Festival of Lights, a colorful celebration of Indian culture with food, music, and traditional performances.
- The Alamo, a historic Spanish mission and site of the famous 1836 battle for Texan independence
- River Walk, a scenic network of walkways along the San Antonio River lined with shops and restaurants
- San Antonio Missions National Historical Park, a UNESCO World Heritage site preserving four Spanish frontier missions
- San Antonio Museum of Art, housing an extensive collection of art from around the world
- Tower of the Americas, offering panoramic views of the city from its observation deck and revolving restaurant.
- Fiesta San Antonio, vibrant cultural celebrations with parades, music, and food
- Memorial Day, warm weather perfect for outdoor activities and events
- Independence Day, spectacular fireworks and festive atmosphere throughout the city.
- Explore the vibrant Pearl District, known for its trendy shops, restaurants, and farmers market
- take a boat tour along the San Antonio River for a unique perspective of the city
- visit the historic Market Square, a lively Mexican market with shops, food, and entertainment
- enjoy a day at Six Flags Fiesta Texas, an amusement park with thrilling rides and shows
- experience the San Antonio Zoo, home to a wide variety of animals and interactive exhibits.
popular airports
Popular airports from Chicago, IL to San Antonio, TX
- Free Wi-Fi available throughout the airport.
- Shops are located in all terminals, including duty-free and brands like Hudson and MAC Cosmetics.
- Parking available with options including hourly, daily, and economy lots, approximately 2.85€ ($3) per hour.
- Restaurants are located in all terminals, offering a variety of cuisines including American and intertiol. Top options include Tortas Frontera and Publican Tavern.
- Available outside the terminal.
- Elevators, ramps, toilets
- Available throughout the airport.
- Hotels such as Hilton Chicago O'Hare are located on airport grounds, with others like the Hyatt Regency nearby.
- Showers are available in some lounges, such as the United Club, but access may require a fee or membership.
- Lounges available, including United Club and American Airlines Admirals Club.
- Lost and Found located in terminal 1, near the baggage claim area.
- Car rental services are available at the Multi-Modal Facility, with companies like Hertz and Avis.
- CTA Blue Line, O'Hare Station, 45 minutes to city center
- Free Wi-Fi available throughout the airport.
- Shops are located in both terminals, including Duty-Free and local souvenir shops.
- Parking available on-site, approximately 2.4€ (CAD 3.50) per hour.
- Restaurants are located in both terminals, including Tex-Mex and American cuisine. Top options include La Gloria and Rosario's.
- Available outside the terminal.
- Ramps, assistance
- Available throughout the airport in both terminals.
- Hotels within walking distance, including the Hilton San Antonio Airport.
- Lounges available, including the United Club in terminal B.
- Lost and Found located in terminal A, near the baggage claim area.
- Car rental services are available on-site from major providers like Hertz and Avis.
- VIA Metropolitan Transit bus line 5, stop at San Antonio Intertiol Airport, 8 miles
More options for your journey from Chicago, IL to San Antonio, TX
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