Next departures for Chicago to San Antonio on November 30
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Price and booking link
Train
Chicago (Union Station), IL
San Antonio Station
Cheapest
Train
Chicago (Union Station), IL
San Antonio Station
Fastest
Next departures for Chicago to San Antonio on December 1
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Train
Chicago (Union Station), IL
San Antonio Station
Cheapest
Train
Chicago (Union Station), IL
San Antonio Station
Fastest
Train
Chicago (Union Station), IL
San Antonio Station
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Train
Chicago (Union Station), IL
San Antonio Station
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Train
Chicago (Union Station), IL
San Antonio Station
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Next departures for Chicago to San Antonio on December 2
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Train
Chicago (Union Station), IL
San Antonio Station
Cheapest
Train
Chicago (Union Station), IL
San Antonio Station
Fastest
Train
Chicago (Union Station), IL
San Antonio Station
No tags
Train
Chicago (Union Station), IL
San Antonio Station
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Train
Chicago (Union Station), IL
San Antonio Station
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Next departures for Chicago to San Antonio on December 3
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Departure time
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Train
Chicago (Union Station), IL
San Antonio Station
Cheapest
Train
Chicago (Union Station), IL
San Antonio Station
Fastest
Train
Chicago (Union Station), IL
San Antonio Station
No tags
Train
Chicago (Union Station), IL
San Antonio Station
No tags
Train
Chicago (Union Station), IL
San Antonio Station
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Next departures for Chicago to San Antonio on December 4
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Departure time
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Train
Chicago (Union Station), IL
San Antonio Station
Cheapest
Train
Chicago (Union Station), IL
San Antonio Station
Fastest
Train
Chicago (Union Station), IL
San Antonio Station
No tags
Train
Chicago (Union Station), IL
San Antonio Station
No tags
Train
Chicago (Union Station), IL
San Antonio Station
No tags
Next departures for Chicago to San Antonio on December 5
Operated by
Vehicle type
Departure time
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Recommended
Price and booking link
Train
Chicago (Union Station), IL
San Antonio Station
Cheapest
Train
Chicago (Union Station), IL
San Antonio Station
Fastest
Train
Chicago (Union Station), IL
San Antonio Station
No tags
Train
Chicago (Union Station), IL
San Antonio Station
No tags
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Chicago (Union Station), IL
San Antonio Station
No tags
Next departures for Chicago to San Antonio on December 6
Operated by
Vehicle type
Departure time
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Trip duration
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Recommended
Price and booking link
Train
Chicago (Union Station), IL
San Antonio Station
CheapestFastest
Train
Chicago (Union Station), IL
San Antonio Station
No tags
Train
Chicago (Union Station), IL
San Antonio Station
No tags
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Chicago (Union Station), IL
San Antonio Station
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Chicago (Union Station), IL
San Antonio Station
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Next departures for Chicago to San Antonio on December 7
Operated by
Vehicle type
Departure time
Departure location
Trip duration
Arrival time
Arrival location
Recommended
Price and booking link
Train
Chicago (Union Station), IL
San Antonio Station
Cheapest
Train
Chicago (Union Station), IL
San Antonio Station
Fastest
Train
Chicago (Union Station), IL
San Antonio Station
No tags
Train
Chicago (Union Station), IL
San Antonio Station
No tags
Train
Chicago (Union Station), IL
San Antonio Station
No tags
Last refresh of the prices: Yesterday at 10:54 PM CST.
Compare 2 ways to go from Chicago to San Antonio
We recommend taking the bus
Among the sustainable travel choices, the bus stands out as a good way to reach San Antonio. The journey takes about 1 day, 3 hours 10 minutes, and with fares starting at just $146, it presents an excellent value for a comfortable ride.
Based on 5615 reviews, the company was rated 4.1 stars on Busbud. Travellers were especially satisfied with the seats and the ticket access but often complained with the WiFi. Amtrak ticket prices on this trip start at $173
Frequently asked questions about travelling from Chicago to San Antonio, US by train
Please note that schedules, routes, or operator details shown here may be updated or vary at the time of your trip.
How much is the train ticket from Chicago to San Antonio?
The cheapest train tickets from Chicago to San Antonio start at $173. The average price for this train route is around $228. Busbud recommends booking your tickets in advance to increase your chances of getting the lowest possible price.
How long is the train ride from Chicago to San Antonio?
The average train trip from Chicago to San Antonio takes 1d 12h and covers 1694 km. The quickest train gets you there in 1d 8h and is operated by Amtrak.
Which train operators serve the Chicago to San Antonio route?
Several major train operators serve this route, with 3 trains available per day.
What are the earliest and latest departure times for the train from Chicago to San Antonio?
The earliest train from Chicago to San Antonio departs at 7:15am. The latest train departs at 4:22pm.
Find cheapest prices for trains
Price is for a one-way ticket for one passenger and based on past searches.
Best price found
11-27
$809
11-28
$879
Today
$2,197
11-30
$504
12-01
$396
12-02
$276
12-03
$276
12-04
$276
The cheapest trip from Chicago to San Antonio, US was searched and found on Dec 2, 2025 with a price of $276
To save money and be sure you have the best seat, it's a good idea to buy your train tickets from Chicago to San Antonio, US, as early as possible.
You can expect to pay from $276 to $2,197 for a train ticket from Chicago to San Antonio, US based on the last 2 days. You can expect to find the cheapest price for the trip at $276 which is on 2025-12-02.
What's the cheapest way to go from Chicago to San Antonio, US?
The train is the cheapest travel choice for this destination
The best way to travel between Chicago and San Antonio, US is by train. By choosing the train, you'll get to save some money as you travel to your destination, as ticket prices cost $228 on average. If you're on a budget, you'll find cheap tickets from $173. If you're looking for the fastest way to get to San Antonio, US, choose the train, as it will take you from Chicago to San Antonio, US in about 1d 3h —that's the fastest way to get there!