Journey information
Overview: Chicago, IL to San Antonio, TX flight
Flights from Chicago, IL to San Antonio, TX depart on average 38 times per day, taking around 4h 18m. Cheap flight tickets for this journey start at $122 (€99) but you can travel from only $91 (€74) by bus.
There are 3 flights per day. The earliest flight runs at 00:30, the last at 23:40. The fastest flight covers the 1050 miles (1691 km) distance in 2h 48m. March is the cheapest month to fly.
Distance 1050 miles (1691 km) |
Average flight duration 4h 18m |
Cheapest ticket price $122 (€99) |
Flights per day 38 |
Direct flights 3 |
Fastest flight 2h 48m |
Cheapest month to travel March |
First flight 00:30 |
Last flight 23:40 |
The cheapest and fastest flights from Chicago, IL to San Antonio, TX
Cheapest price
$608
Average price
$881
Fastest journey
3 h 8 m
Average duration
3 h 31 m
Flights per day
48
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 $881 if you buy it on the day, but the cheapest tickets can be found for only $608.
Of the 48 flights that leave Chicago, IL for San Antonio, TX onMon, Dec 01, 4 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Mon, Dec 01 the direct flights cover the 1691 km distance in an average of 3 h 31 m but if you time it right, some flights will get you there in just 3 h 8 m .
On Mon, Dec 01 the longest flights will take 4 h 43 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.
AA1275
UA2287
UA5444
UA658
AA868 · AA1406
UA658
AA1275
UA2287
UA5444
UA2066 · UA1371Travel 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 bus with prices starting from €74. For those with little time consider booking a flight which can get you there in 4h 18m. The ticket price range depends on the travel mode: a bus costs an average of €74, and a flight costs an average of €99.
Distance: 1050 miles (1691 km)
Compare flight with
| Flight | Most popular Train | Bus |
|---|---|---|
€250 Average price | €198 Average price | €158 Average price Cheapest |
7h 18m Average total duration Fastest 4h 18m Onboard + 3h 0m Additional time* | 32h 34m Average total duration 32h 4m Onboard + 30m Additional time* | 28h 46m Average total duration 28h 16m 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, Sunday, November 30. You can also manually refresh the results below to see updated flight journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
UA2628 · UA5864 | 12:15 PM O'Hare International Airport | 15h56 | 4:11 AM San Antonio International Airport | 1 transfer | |
UA2628 · UA5830 | 12:15 PM O'Hare International Airport | 10h44 | 10:59 PM San Antonio International Airport | 1 transfer | |
UA1231 · UA468 | 1:10 PM O'Hare International Airport | 5h54 | 7:04 PM San Antonio International Airport | 1 transfer | |
UA2287 | 3:10 PM O'Hare International Airport | 3h15 | 6:25 PM San Antonio International Airport | 0 transfersDirect | |
UA2657 · UA2675 | 6:45 PM O'Hare International Airport | 5h22 | 12:07 AM San Antonio International Airport | 1 transfer | |
UA5444 | 7:03 PM O'Hare International Airport | 3h17 | 10:20 PM San Antonio International Airport | 0 transfersDirect | |
AA868 · AA1406 | 10:46 PM O'Hare International Airport | 5h13 | 3:59 AM San Antonio International Airport | 1 transfer | |
AA868 · AA606 | 10:46 PM O'Hare International Airport | 6h09 | 4:55 AM San Antonio International Airport | 1 transfer | |
AA868 · AA2281 | 10:46 PM O'Hare International Airport | 7h04 | 5:50 AM San Antonio International Airport | 1 transfer | |
UA2605 · UA591 | 11:31 PM O'Hare International Airport | 16h54 | 4:25 PM San Antonio International Airport | 1 transfer | |
AA1275 | 12:35 AM O'Hare International Airport | 3h14 | 3:49 AM San Antonio International Airport | 0 transfersDirect | |
UA658 | 2:08 AM O'Hare International Airport | 3h08 | 5:16 AM San Antonio International Airport | 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.
Dec 01
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Dec 07
Airlines: Spirit Airlines, American Airlines, United 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, United from $91 (€74). We can find you the best deals, schedules and tickets when comparing and booking the best trip.
United
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.
- 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.
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.
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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