Next departures for San Marcos to Chicago on January 27
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San Marcos Station
Chicago (Union Station), IL
CheapestFastest
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San Marcos Station
Chicago (Union Station), IL
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San Marcos Station
Chicago (Union Station), IL
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San Marcos Station
Chicago (Union Station), IL
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San Marcos Station
Chicago (Union Station), IL
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Next departures for San Marcos to Chicago on January 28
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San Marcos Station
Chicago (Union Station), IL
CheapestFastest
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San Marcos Station
Chicago (Union Station), IL
No tags
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San Marcos Station
Chicago (Union Station), IL
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San Marcos Station
Chicago (Union Station), IL
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San Marcos Station
Chicago (Union Station), IL
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Next departures for San Marcos to Chicago on January 29
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San Marcos Station
Chicago (Union Station), IL
Cheapest
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San Marcos Station
Chicago (Union Station), IL
Fastest
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San Marcos Station
Chicago (Union Station), IL
No tags
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San Marcos Station
Chicago (Union Station), IL
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San Marcos Station
Chicago (Union Station), IL
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Next departures for San Marcos to Chicago on January 30
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Train
San Marcos Station
Chicago (Union Station), IL
CheapestFastest
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San Marcos Station
Chicago (Union Station), IL
No tags
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San Marcos Station
Chicago (Union Station), IL
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San Marcos Station
Chicago (Union Station), IL
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San Marcos Station
Chicago (Union Station), IL
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Next departures for San Marcos to Chicago on January 31
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Train
San Marcos Station
Chicago (Union Station), IL
Cheapest
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San Marcos Station
Chicago (Union Station), IL
Fastest
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San Marcos Station
Chicago (Union Station), IL
No tags
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San Marcos Station
Chicago (Union Station), IL
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San Marcos Station
Chicago (Union Station), IL
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Next departures for San Marcos to Chicago on February 1
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Train
San Marcos Station
Chicago (Union Station), IL
CheapestFastest
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San Marcos Station
Chicago (Union Station), IL
No tags
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San Marcos Station
Chicago (Union Station), IL
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San Marcos Station
Chicago (Union Station), IL
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San Marcos Station
Chicago (Union Station), IL
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Next departures for San Marcos to Chicago on February 2
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Train
San Marcos Station
Chicago (Union Station), IL
CheapestFastest
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San Marcos Station
Chicago (Union Station), IL
No tags
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San Marcos Station
Chicago (Union Station), IL
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San Marcos Station
Chicago (Union Station), IL
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San Marcos Station
Chicago (Union Station), IL
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Last refresh of the prices: Today at 1:02 PM CST.
Compare 2 ways to go from San Marcos to Chicago
We recommend taking the bus
Among the sustainable travel choices, the Bus stands out as a good way to reach Chicago. The journey takes about 1 day, 7 hours 15 minutes and with fares starting at just $113, it presents an excellent value for a comfortable ride.
Based on 5750 reviews, the company was rated 4.1 stars on Busbud. Travelers were especially satisfied with the seats and the ticket access but often complained with the wifi. Amtrak ticket prices on this trip start at $121
Frequently asked questions about traveling from San Marcos, TX, US to Chicago 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 San Marcos to Chicago?
The cheapest train tickets from San Marcos to Chicago start from $121. The average price for this train route is around $193. Busbud recommends that you book your tickets in advance for a better chance to get the lowest possible price.
How long is the train journey from San Marcos to Chicago?
The average train ride duration from San Marcos to Chicago is 1d 11h, covering a distance of 1007 miles (1623 km). The quickest train can get you there in 1d 5h and is operated by Amtrak.
Which train operators service the San Marcos to Chicago route?
Several major train operators operate on this route with 2 trains available per day.
What is the earliest and latest departure time for the train from San Marcos to Chicago?
The earliest train departs from San Marcos to Chicago at 8:20am. And the latest train departs at 8:22am.
Find cheapest prices for trains
Price is for a one-way ticket for one passenger and based on past searches.
Best price found
01/24
$164
01/25
No data
Today
$237
01/27
$199
01/28
$167
01/29
$181
01/30
$167
01/31
$164
The cheapest trip from San Marcos, TX, US to Chicago was searched and found on Jan 24, 2026 with a price of $164
To save money and be sure you have the best seat, it's a good idea to buy your train tickets from San Marcos, TX, US to Chicago, as early as possible.
You can expect to pay from $164 to $864 for a train ticket from San Marcos, TX, US to Chicago based on the last 2 days. You can expect to find the cheapest price for the trip at $164 which is on 2026-01-31.
What's the cheapest way to go from San Marcos, TX, US to Chicago?
The Train is the cheapest travel choice for this destination
The best way to travel between San Marcos, TX, US and Chicago is by train. By choosing the train, you'll get to save some money as you travel to your destination, as ticket prices cost $193 on average. If you're on a budget, you'll find cheap tickets from $121. If you're looking for the fastest way to get to Chicago, choose the train, as it will take you from San Marcos, TX, US to Chicago in about 1d 7h - that's the fastest way to get there!