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San Luis Potosí

$113+ 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SLP
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
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

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from Chicago to San Luis Potosi are usually found in February or September, booked 50 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap 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 December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/8. 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.
Tue 12/302:17 pmORD - SLP
1 stop6h 37mUnited Airlines
Mon 1/126:00 amSLP - ORD
1 stop15h 26mUnited Airlines
Deal found 12/8$435
This Aeromexico deal was found by Cheapflights users on 12/11. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:50 amMDW - SLP
1 stop8h 45mAeromexico
Tue 2/35:53 amSLP - MDW
2 stops16h 29mAeromexico
Deal found 12/11$455
This United Airlines deal was found by Cheapflights users on 12/9. 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.
Thu 12/118:49 amORD - SLP
1 stop12h 05mUnited Airlines
Sun 12/216:00 amSLP - ORD
1 stop12h 45mUnited Airlines
Deal found 12/9$531
This Mytrip deal was found by Cheapflights users on 12/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/129:14 pmORD - SLP
1 stop16h 43mMultiple Airlines
Sun 1/112:06 pmSLP - ORD
3 stops24h 11mMultiple Airlines
Deal found 12/8$532
This American Airlines deal was found by Cheapflights users on 12/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/291:15 pmORD - SLP
1 stop9h 44mAmerican Airlines
Thu 1/16:20 amSLP - ORD
1 stop10h 57mAmerican Airlines
Deal found 12/9$555
This Mytrip deal was found by Cheapflights users on 12/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/107:41 pmORD - SLP
2 stops18h 16mMultiple Airlines
Sun 1/112:06 pmSLP - ORD
3 stops24h 11mMultiple Airlines
Deal found 12/10$568
This Mytrip deal was found by Cheapflights users on 12/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/136:05 amORD - SLP
1 stop12h 20mMultiple Airlines
Sun 1/112:06 pmSLP - ORD
3 stops24h 11mMultiple Airlines
Deal found 12/8$573
This American Airlines deal was found by Cheapflights users on 12/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/308:58 pmORD - SLP
1 stop15h 33mAmerican Airlines
Sun 1/117:00 amSLP - ORD
1 stop10h 09mAmerican Airlines
Deal found 12/9$576
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/145:18 amORD - SLP
1 stop7h 26mAmerican Airlines
Mon 12/226:20 amSLP - ORD
1 stop9h 25mAmerican Airlines
Deal found 12/10$596
This Aeromexico deal was found by Cheapflights users on 12/8. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:00 amMDW - SLP
1 stop12h 35mAeromexico
Thu 1/19:15 amSLP - MDW
1 stop13h 07mAeromexico
Deal found 12/8$637
This Aeromexico deal was found by Cheapflights users on 12/10. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:00 amMDW - SLP
1 stop12h 35mAeromexico
Fri 1/910:00 amSLP - MDW
1 stop12h 07mAeromexico
Deal found 12/10$788
This Aeromexico deal was found by Cheapflights users on 12/9. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:00 amMDW - SLP
1 stop12h 35mAeromexico
Sun 1/1110:00 amSLP - MDW
1 stop12h 07mAeromexico
Deal found 12/9$845

Find 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$298
(American Airlines)

One-way from

$113
(Mytrip)

Popular in

May

Cheapest in

February

Average price

$633
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. 21% potential increase in price ($134 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 12, 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

MDW - SLP

MDWSLP

Chicago Midway

Fri 1/23

10:48 am-11:59 pm

2 stops13h 11m

San Luis Potosi

Fri 1/30

5:48 am-5:29 pm

2 stops11h 41m

$317

ChicagoSan Luis Potosí

ORD - SLP

ORDSLP

Chicago O'Hare Intl

Tue 2/10

2:54 pm-11:59 pm

1 stop9h 05m

San Luis Potosi

Sat 2/14

3:52 pm-11:00 pm

1 stop7h 08m

$331

ChicagoSan Luis Potosí

ORD - SLP

ORDSLP

Chicago O'Hare Intl

Thu 1/22

1:04 pm-12:01 pm

2 stops22h 57m

San Luis Potosi

Thu 1/29

3:52 pm-11:19 am

2 stops19h 27m

$331

ChicagoSan Luis Potosí

ORD - SLP

ORDSLP

Chicago O'Hare Intl

Sat 1/31

12:59 am-3:17 pm

1 stop14h 18m

San Luis Potosi

Sun 2/8

8:43 am-11:00 pm

1 stop14h 17m

$331

ChicagoSan Luis Potosí

ORD - SLP

ORDSLP

Chicago O'Hare Intl

Wed 2/11

1:26 pm-8:20 am

2 stops18h 54m

San Luis Potosi

Wed 2/25

3:52 pm-11:36 am

2 stops19h 44m

$331

ChicagoSan Luis Potosí

ORD - SLP

ORDSLP

Chicago O'Hare Intl

Tue 2/10

1:11 am-3:17 pm

1 stop14h 06m

San Luis Potosi

Wed 2/25

5:48 am-12:55 pm

1 stop7h 07m

$331

ChicagoSan Luis Potosí

MDW - SLP

MDWSLP

Chicago Midway

Sun 1/11

6:45 am-5:50 pm

1 stop11h 05m

San Luis Potosi

Sun 1/18

8:28 am-4:29 pm

1 stop8h 01m

$345

ChicagoSan Luis Potosí

MDW - SLP

MDWSLP

Chicago Midway

Tue 2/10

6:00 am-9:01 pm

2 stops15h 01m

San Luis Potosi

Sat 2/14

8:24 am-3:21 pm

1 stop6h 57m

$345

ChicagoSan Luis Potosí

MDW - SLP

MDWSLP

Chicago Midway

Mon 1/12

6:45 am-6:19 pm

1 stop11h 34m

San Luis Potosi

Sun 1/18

8:28 am-4:29 pm

1 stop8h 01m

$345

ChicagoSan Luis Potosí

MDW - SLP

MDWSLP

Chicago Midway

Sat 2/21

6:00 am-8:02 pm

2 stops14h 02m

San Luis Potosi

Mon 3/2

8:24 am-5:45 pm

1 stop9h 21m

$345

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 28 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 December.
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 December 5, 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 50 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 $247). 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 December 12, 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 December 12, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and Aeromexico 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
8,007 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,095 reviews
Delta
7.9
Good
8,007 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Aeromexico
7.4
Good
1,642 reviews
Delta
7.9
Good
8,007 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,049 reviews
Delta
7.9
Good
8,007 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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?

    Aeromexico and Delta can get you from Chicago to San Luis Potosí in just under 9h 05m. Your travel time can differ by up to 4h 06m. Airlines will cover a distance of 1556 mi. This flight may include one or multiple stops.

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

    Currently priced at $295, 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 39% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Chicago to San Luis Potosí one-way?

    The cheapest airline one-way is Aeromexico, with whom users have recently found tickets for as low as $141. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from Chicago to San Luis Potosí for a low price.

  • 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 $247). 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
AeromexicoCheapest$302Average$337FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$318Average$374FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$337Average$461FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$342Average$514FlexibilityNo cancel feeOn-time71%

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