How much is the train ticket from Chicago to San Antonio?

The cheapest train tickets from Chicago to San Antonio start at $170. The average price for this train route is around $227. 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.

Train Chicago to San Antonio from $163 | Refundable Tickets

Next train departures

Next departures for Chicago to San Antonio on December 12
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	7:15am	Chicago (Union Station), IL	1d 15h	10:16pm	San Antonio Station	Cheapest
Train	1:52pm	Chicago (Union Station), IL	1d 8h	10:16pm	San Antonio Station	Fastest
Train	1:52pm	Chicago (Union Station), IL	1d 8h	10:16pm	San Antonio Station	No tags
Train	7:15am	Chicago (Union Station), IL	1d 15h	10:16pm	San Antonio Station	No tags
Train	7:15am	Chicago (Union Station), IL	1d 15h	10:16pm	San Antonio Station	No tags

Next departures for Chicago to San Antonio on December 13
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	1:52pm	Chicago (Union Station), IL	1d 8h	10:16pm	San Antonio Station	CheapestFastest
Train	1:52pm	Chicago (Union Station), IL	1d 8h	10:16pm	San Antonio Station	No tags
Train	7:15am	Chicago (Union Station), IL	1d 15h	10:16pm	San Antonio Station	No tags
Train	7:15am	Chicago (Union Station), IL	1d 15h	10:16pm	San Antonio Station	No tags
Train	7:15am	Chicago (Union Station), IL	1d 15h	10:16pm	San Antonio Station	No tags

Next departures for Chicago to San Antonio on December 14
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	7:15am	Chicago (Union Station), IL	1d 15h	10:16pm	San Antonio Station	Cheapest
Train	1:52pm	Chicago (Union Station), IL	1d 8h	10:16pm	San Antonio Station	Fastest
Train	1:52pm	Chicago (Union Station), IL	1d 8h	10:16pm	San Antonio Station	No tags
Train	7:15am	Chicago (Union Station), IL	1d 15h	10:16pm	San Antonio Station	No tags
Train	7:15am	Chicago (Union Station), IL	1d 15h	10:16pm	San Antonio Station	No tags

Next departures for Chicago to San Antonio on December 15
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	7:15am	Chicago (Union Station), IL	1d 15h	10:16pm	San Antonio Station	Cheapest
Train	1:52pm	Chicago (Union Station), IL	1d 8h	10:16pm	San Antonio Station	Fastest
Train	1:52pm	Chicago (Union Station), IL	1d 8h	10:16pm	San Antonio Station	No tags
Train	7:15am	Chicago (Union Station), IL	1d 15h	10:16pm	San Antonio Station	No tags
Train	7:15am	Chicago (Union Station), IL	1d 15h	10:16pm	San Antonio Station	No tags

Next departures for Chicago to San Antonio on December 16
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	7:15am	Chicago (Union Station), IL	1d 15h	10:16pm	San Antonio Station	Cheapest
Train	1:52pm	Chicago (Union Station), IL	1d 8h	10:16pm	San Antonio Station	Fastest
Train	1:52pm	Chicago (Union Station), IL	1d 8h	10:16pm	San Antonio Station	No tags
Train	7:15am	Chicago (Union Station), IL	1d 15h	10:16pm	San Antonio Station	No tags
Train	7:15am	Chicago (Union Station), IL	1d 15h	10:16pm	San Antonio Station	No tags

Next departures for Chicago to San Antonio on December 17
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	7:15am	Chicago (Union Station), IL	1d 15h	10:16pm	San Antonio Station	Cheapest
Train	1:52pm	Chicago (Union Station), IL	1d 8h	10:16pm	San Antonio Station	Fastest
Train	1:52pm	Chicago (Union Station), IL	1d 8h	10:16pm	San Antonio Station	No tags
Train	7:15am	Chicago (Union Station), IL	1d 15h	10:16pm	San Antonio Station	No tags
Train	7:15am	Chicago (Union Station), IL	1d 15h	10:16pm	San Antonio Station	No tags

Next departures for Chicago to San Antonio on December 18
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	9:50am	Chicago (Union Station), IL	1d 12h	10:16pm	San Antonio Station	Cheapest
Train	1:52pm	Chicago (Union Station), IL	1d 8h	10:16pm	San Antonio Station	Fastest
Train	1:52pm	Chicago (Union Station), IL	1d 8h	10:16pm	San Antonio Station	No tags
Train	7:15am	Chicago (Union Station), IL	1d 15h	10:16pm	San Antonio Station	No tags
Train	7:15am	Chicago (Union Station), IL	1d 15h	10:16pm	San Antonio Station	No tags

Next departures for Chicago to San Antonio on December 19
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	7:15am	Chicago (Union Station), IL	1d 15h	10:16pm	San Antonio Station	Cheapest
Train	1:52pm	Chicago (Union Station), IL	1d 8h	10:16pm	San Antonio Station	Fastest
Train	1:52pm	Chicago (Union Station), IL	1d 8h	10:16pm	San Antonio Station	No tags
Train	7:15am	Chicago (Union Station), IL	1d 15h	10:16pm	San Antonio Station	No tags
Train	7:15am	Chicago (Union Station), IL	1d 15h	10:16pm	San Antonio Station	No tags

Last refresh of the prices: Yesterday at 1:24 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, 4 hours 25 minutes, and with fares starting at just $144, it presents an excellent value for a comfortable ride.

42bus per day

1d 4hAverage Duration

1681 kmDistance

42kgCO₂ emissions

	Average Price	Average Duration	CO₂ emissions	Actions
Bus	Average Price$144 - $830	Average Duration1d 4h	CO₂ emissions 42kg CO₂e
Train	Average Price$170 - $917	Average Duration1d 12h	CO₂ emissions 154kg CO₂e

Train companies

Amtrak

4/55,639 reviews

Staff4.7

Timeliness3.8

Cleanliness4.6

Wifi3.6

Based on 5639 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 $170

US train and bus companies:Amtrak, Trenitalia, Renfe, VIA Rail Canada, Amtrak Acela, NS Nederlandse Spoorwegen, Iryo

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 $170. The average price for this train route is around $227. 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

12-10

$338

12-11

$325

Today

$355

12-13

$496

12-14

$390

12-15

$256

12-16

$232

12-17

$272

The cheapest trip from Chicago to San Antonio, US was searched and found on Dec 16, 2025 with a price of $232

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 $232 to $1,490 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 $232 which is on 2025-12-16.

What's the cheapest way to go from Chicago to San Antonio, US?

The train is the cheapest travel choice for this destination

Vehicle Type	Travel time	Avg Price	Daily Departures
Vehicle TypeBus	Travel time1d 4h	Avg Price$277	Daily Departures42
Vehicle TypeTrain	Travel time1d 12h	Avg Price$227	Daily Departures3

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 $227 on average. If you're on a budget, you'll find cheap tickets from $170. 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 4h —that's the fastest way to get there!