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San Luis Potosí

$85+ Cheap flights from Chicago (CHI) to San Luis Potosí, Mexico (SLP)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SLP
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Find cheap flights from Chicago to San Luis Potosí with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Chicago to San Luis Potosi are usually found in February or September, booked 41 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Find flight deals from Chicago to San Luis Potosí

Cheapest flights from Chicago to San Luis Potosí
Explore the most affordable flight options available from Chicago to San Luis Potosí. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/189:51 amORD - SLP
1 stop8h 27mDelta
Fri 1/163:52 pmSLP - ORD
1 stop7h 08mDelta
Deal found 10/26$328
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/256:45 amORD - SLP
1 stop11h 33mDelta
Tue 12/28:28 amSLP - ORD
1 stop6h 52mDelta
Deal found 10/26$338
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2510:47 amMDW - SLP
1 stop7h 31mDelta
Tue 12/28:28 amSLP - MDW
1 stop15h 19mDelta
Deal found 10/26$338
This SmartFares deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/105:23 amORD - SLP
1 stop12h 55mAeromexico
Thu 11/139:36 amSLP - ORD
2 stops14h 25mAeromexico
Deal found 10/27$341
This SmartFares deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/96:00 amMDW - SLP
1 stop12h 18mAeromexico
Wed 11/128:28 amSLP - MDW
1 stop15h 12mAeromexico
Deal found 10/26$341
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/119:51 amORD - SLP
1 stop8h 27mDelta
Tue 11/189:36 amSLP - ORD
1 stop13h 05mDelta
Deal found 10/26$342
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/116:00 amMDW - SLP
1 stop12h 18mDelta
Tue 11/188:28 amSLP - MDW
1 stop8h 10mDelta
Deal found 10/27$352
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/95:23 amORD - SLP
1 stop12h 55mDelta
Wed 11/125:52 amSLP - ORD
1 stop7h 20mDelta
Deal found 10/26$356
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/107:55 pmORD - SLP
1 stop15h 54mUnited Airlines
Thu 11/1312:49 pmSLP - ORD
1 stop11h 26mUnited Airlines
Deal found 10/27$366
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1010:47 amMDW - SLP
1 stop7h 31mDelta
Thu 11/1312:42 pmSLP - MDW
2 stops10h 58mDelta
Deal found 10/27$366
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/96:00 amMDW - SLP
1 stop12h 18mDelta
Wed 11/128:28 amSLP - MDW
2 stops9h 40mDelta
Deal found 10/26$371
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/86:00 amMDW - SLP
2 stops10h 30mDelta
Sat 11/158:28 amSLP - MDW
1 stop15h 12mDelta
Deal found 10/28$379

Cheap flight deals from Chicago to San Luis Potosí

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to San Luis Potosí (SLP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$324
(Delta)

One-way from

$85
(Mytrip)

Popular in

December

Cheapest in

February

Average price

$552
Provider with most accurate pricing for Chicago (CHI)-San Luis Potosi flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-San Luis Potosi flights.
Search Deals
From Chicago (CHI) to San Luis Potosi
Search Deals
One-way flight from Chicago (CHI) to San Luis Potosi
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($135 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago to San Luis Potosí that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 28, 2025.
Use the filters below to find and compare flights from Chicago to San Luis Potosí that are best for you.

Fly from

Chicago

Fly to

San Luis Potosí

Route

Depart

Return

Price

ChicagoSan Luis Potosí

ORD - SLP

ORDSLP

Chicago O'Hare Intl

Mon 2/23

3:21 pm-12:05 am

1 stop8h 44m

San Luis Potosi

Fri 2/27

5:48 am-12:40 pm

1 stop6h 52m

$324

ChicagoSan Luis Potosí

ORD - SLP

ORDSLP

Chicago O'Hare Intl

Mon 2/23

3:21 pm-7:58 am

1 stop16h 37m

San Luis Potosi

Fri 2/27

3:52 pm-11:19 am

2 stops19h 27m

$324

ChicagoSan Luis Potosí

ORD - SLP

ORDSLP

Chicago O'Hare Intl

Tue 2/10

3:21 pm-8:03 am

1 stop16h 42m

San Luis Potosi

Sat 2/14

12:52 pm-11:00 pm

1 stop10h 08m

$324

ChicagoSan Luis Potosí

ORD - SLP

ORDSLP

Chicago O'Hare Intl

Tue 11/18

9:51 am-6:18 pm

1 stop8h 27m

San Luis Potosi

Fri 1/16

3:52 pm-11:00 pm

1 stop7h 08m

$328

ChicagoSan Luis Potosí

MDW - SLP

MDWSLP

Chicago Midway

Tue 11/25

10:47 am-6:18 pm

1 stop7h 31m

San Luis Potosi

Tue 12/2

7:23 pm-4:34 pm

2 stops21h 11m

$338

ChicagoSan Luis Potosí

MDW - SLP

MDWSLP

Chicago Midway

Tue 2/10

12:48 pm-12:05 am

2 stops11h 17m

San Luis Potosi

Sat 2/14

9:06 am-9:46 pm

2 stops12h 40m

$338

ChicagoSan Luis Potosí

ORD - SLP

ORDSLP

Chicago O'Hare Intl

Fri 3/27

9:30 am-6:19 pm

1 stop9h 49m

San Luis Potosi

Mon 4/6

9:24 am-11:54 pm

1 stop13h 30m

$338

ChicagoSan Luis Potosí

MDW - SLP

MDWSLP

Chicago Midway

Tue 2/10

6:00 am-8:52 pm

2 stops14h 52m

San Luis Potosi

Sat 2/14

8:28 am-3:25 pm

1 stop6h 57m

$338

ChicagoSan Luis Potosí

MDW - SLP

MDWSLP

Chicago Midway

Sat 1/10

6:45 am-5:50 pm

1 stop11h 05m

San Luis Potosi

Mon 1/19

8:28 am-10:26 pm

1 stop13h 58m

$338

ChicagoSan Luis Potosí

MDW - SLP

MDWSLP

Chicago Midway

Mon 1/12

11:21 am-6:19 pm

1 stop6h 58m

San Luis Potosi

Sun 1/18

8:28 am-10:09 pm

1 stop13h 41m

$338

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 27 results
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Compare providers for flights from Chicago to San Luis Potosí

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to San Luis Potosí in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago-San Luis Potosí flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Chicago-San Luis Potosí flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Chicago-San Luis Potosí flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-San Luis Potosí flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-San Luis Potosí flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Chicago to San Luis Potosí

Have a flexible travel schedule? Discover the best time to fly to San Luis Potosí from Chicago with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago to San Luis Potosí

How far ahead should I book a flight from Chicago to San Luis Potosí?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to San Luis Potosí. Price data was last updated on October 24, 2025.

To ensure you get the cheapest price possible for a flight from Chicago to San Luis Potosí, you should look to book at least 41 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Chicago to San Luis Potosí?

Currently, May is the cheapest month in which you can book a flight from Chicago to San Luis Potosí (average of $106). Flying from Chicago to San Luis Potosí in September is currently the most expensive (average of $239). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CHI to SLP?

Find hourly flight availability from Chicago to San Luis Potosí. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 28, 2025.

One of the essential ways to save on airfare from Chicago to San Luis Potosí is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 18% on airfare.

What is the cheapest day to fly from Chicago to San Luis Potosí?

Use this chart to determine the cheapest time to fly round-trip from Chicago to San Luis Potosí. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Chicago to San Luis Potosí flight should consider departing on Monday evenings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Chicago to San Luis Potosí?

What’s the top layover airport for flights from Chicago to San Luis Potosí?

Share of 1-stop round-trip flights from Chicago to San Luis Potosí chosen by Cheapflights users in the past 12 months, using the same layover each way.

Mexico City (MEX) – chosen by Cheapflights users on 50% of 1-stop itineraries from Chicago to San Luis Potosí on Cheapflights.

What’s the cheapest layover airport for flights from Chicago to San Luis Potosí?

Average round-trip fare for 1-stop flights from Chicago to San Luis Potosí, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Atlanta (ATL) is the most affordable 1-stop option, with an average round-trip price of $376.

What’s the fastest layover option from Chicago to San Luis Potosí?

Shortest average travel time for 1-stop one-way flights from Chicago to San Luis Potosí, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Houston (IAH) have the shortest average one-way travel time for 1-stop routes: 6h 53m.

Which airport typically offers the quickest layover for flights from Chicago to San Luis Potosí?

Average layover duration for 1-stop one-way flights from Chicago to San Luis Potosí, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Atlanta (ATL) offer the fastest connection on this route, with an average layover time of 2h 29m.

Reviews of airlines servicing San Luis Potosí

Get insights into the airlines that provide service to San Luis Potosí. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Luis Potosí. Reviews last updated October 28, 2025.
Get a feel of what it's like to fly with Delta, Aeromexico, and United Airlines from Chicago to San Luis Potosí by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,995 reviews

Overall

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,995 reviews
Delta
7.9
Good
7,995 reviews

Overall

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Aeromexico
7.5
Good
1,678 reviews
Delta
7.9
Good
7,995 reviews

Overall

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,996 reviews
Delta
7.9
Good
7,995 reviews

Overall

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,033 reviews
Delta
7.9
Good
7,995 reviews

Overall

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from Chicago to San Luis Potosí. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Luis Potosí from Chicago?

    Located just 7.8 mi from the city center, San Luis Potosi is the airport most travelers will use when flying to San Luis Potosí from Chicago. Booking flights from Chicago to San Luis Potosi (SLP) should be relatively easy as there are 0 daily inbound flights from Chicago from 4 different airlines.

  • How long is the flight from Chicago to San Luis Potosí?

    Delta can get you from Chicago to San Luis Potosí in just under 8h 44m. Your travel time can differ by up to . Airlines will cover a distance of 1556 mi.

  • What are the cheapest airlines flying from Chicago to San Luis Potosí round-trip?

    Currently priced at $302, Aeromexico will fly you from Chicago to San Luis Potosí and back. In addition to Aeromexico, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from $318 and $337, respectively. Aeromexico is priced at 43% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Chicago to San Luis Potosí that include hotel bookings?

    Yes. In addition to deals on Chicago to San Luis Potosí flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to San Luis Potosí?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to San Luis Potosí.

  • Can I find deals for business class flights from Chicago to San Luis Potosí?

    Yes. Cheapflights offers flight deals from Chicago to San Luis Potosí by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago to San Luis Potosí?

    Currently, May is the cheapest month in which you can book a flight from Chicago to San Luis Potosí (average of $106). Flying from Chicago to San Luis Potosí in September is currently the most expensive (average of $239). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Chicago to San Luis Potosí

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to San Luis Potosí flights
Midway to San Luis Potosí flights

Top 4 airlines flying from Chicago to San Luis Potosí

Discover the top 4 airlines that operate flights from Chicago to San Luis Potosí. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
AeromexicoCheapest$302Average$346FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$318Average$375FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$337Average$461FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$342Average$508FlexibilityNo cancel feeOn-time71%

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