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San Luis Potosí

$127+ 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SLP
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Find cheap flights from Chicago to San Luis Potosí with Cheapflights

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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 January 27, 2026.

This Aeromexico deal was found by Cheapflights users on 1/26. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/101:57 am
ORD
-
SLP
1 stop17h 12m
Aeromexico
Tue 9/15:52 am
SLP
-
ORD
1 stop7h 18m
Aeromexico
Deal found 1/26$353
This Delta deal was found by Cheapflights users on 1/27. 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.
Sat 10/317:10 am
ORD
-
SLP
1 stop11h 09m
Delta
Sat 11/79:06 am
SLP
-
ORD
1 stop13h 54m
Delta
Deal found 1/27$358
This Delta deal was found by Cheapflights users on 1/25. 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 3/93:30 pm
ORD
-
SLP
1 stop9h 29m
Delta
Mon 3/168:22 am
SLP
-
ORD
1 stop9h 27m
Delta
Deal found 1/25$363
This Delta deal was found by Cheapflights users on 1/27. 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.
Fri 2/2011:18 am
ORD
-
SLP
1 stop7h 07m
Delta
Fri 2/278:29 am
SLP
-
ORD
1 stop12h 32m
Delta
Deal found 1/27$368
This Aeromexico deal was found by Cheapflights users on 1/26. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/166:00 am
MDW
-
SLP
2 stops25h 55m
Aeromexico
Fri 2/208:29 am
SLP
-
MDW
1 stop14h 02m
Aeromexico
Deal found 1/26$368
This Mytrip deal was found by Cheapflights users on 1/25. 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.
Mon 2/238:16 pm
ORD
-
SLP
2 stops17h 41m
Multiple Airlines
Mon 3/22:06 pm
SLP
-
ORD
3 stops34h 34m
Multiple Airlines
Deal found 1/25$375
This Aeromexico deal was found by Cheapflights users on 1/25. 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 5/271:45 pm
ORD
-
SLP
2 stops22h 45m
Aeromexico
Mon 6/87:50 pm
SLP
-
ORD
2 stops15h 10m
Aeromexico
Deal found 1/25$379
This Mytrip deal was found by Cheapflights users on 1/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/184:43 pm
ORD
-
SLP
2 stops21h 14m
Multiple Airlines
Tue 3/32:47 pm
SLP
-
ORD
3 stops28h 24m
Multiple Airlines
Deal found 1/27$381
This Aeromexico deal was found by Cheapflights users on 1/25. 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 7/2812:10 pm
ORD
-
SLP
2 stops21h 23m
Aeromexico
Tue 8/119:24 am
SLP
-
ORD
1 stop13h 33m
Aeromexico
Deal found 1/25$394
This Aeromexico deal was found by Cheapflights users on 1/27. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/21:05 pm
MDW
-
SLP
2 stops18h 58m
Aeromexico
Mon 12/78:28 am
SLP
-
MDW
1 stop7h 57m
Aeromexico
Deal found 1/27$394
This Delta deal was found by Cheapflights users on 1/26. 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.
Fri 4/36:00 am
MDW
-
SLP
1 stop13h 25m
Delta
Mon 4/139:40 am
SLP
-
MDW
1 stop11h 48m
Delta
Deal found 1/26$409
This Delta deal was found by Cheapflights users on 1/26. 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 8/111:05 pm
MDW
-
SLP
2 stops10h 58m
Delta
Tue 9/15:52 am
SLP
-
MDW
2 stops14h 54m
Delta
Deal found 1/26$420

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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$353
(Aeromexico)

One-way from

$127
(Mytrip)

Popular in

May

Cheapest in

February

Average price

$628
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. 19% potential increase in price ($120 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 January 2026
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 January 27, 2026.
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 3/9

5:30 am-6:18 pm

1 stop13h 48m

San Luis Potosi

Tue 3/10

7:14 pm-11:50 am

2 stops15h 36m

$358

ChicagoSan Luis Potosí

ORD - SLP

ORDSLP

Chicago O'Hare Intl

Sun 2/22

1:11 am-12:14 pm

1 stop11h 03m

San Luis Potosi

Mon 3/2

8:24 am-6:49 pm

1 stop10h 25m

$363

ChicagoSan Luis Potosí

ORD - SLP

ORDSLP

Chicago O'Hare Intl

Mon 2/16

6:45 am-6:25 pm

1 stop11h 40m

San Luis Potosi

Fri 2/20

8:29 am-9:01 pm

1 stop12h 32m

$368

ChicagoSan Luis Potosí

ORD - SLP

ORDSLP

Chicago O'Hare Intl

Fri 2/20

11:18 am-11:59 pm

2 stops12h 41m

San Luis Potosi

Fri 2/27

8:29 am-6:49 pm

1 stop10h 20m

$368

ChicagoSan Luis Potosí

ORD - SLP

ORDSLP

Chicago O'Hare Intl

Fri 2/20

5:25 am-6:25 pm

1 stop13h 00m

San Luis Potosi

Mon 2/23

8:29 am-6:49 pm

1 stop10h 20m

$368

ChicagoSan Luis Potosí

MDW - SLP

MDWSLP

Chicago Midway

Wed 3/11

6:00 am-3:19 pm

2 stops10h 19m

San Luis Potosi

Wed 3/18

5:49 am-5:22 pm

2 stops10h 33m

$368

ChicagoSan Luis Potosí

ORD - SLP

ORDSLP

Chicago O'Hare Intl

Mon 3/9

11:10 am-11:59 pm

2 stops13h 49m

San Luis Potosi

Mon 3/16

8:22 am-11:54 pm

1 stop14h 32m

$368

ChicagoSan Luis Potosí

MDW - SLP

MDWSLP

Chicago Midway

Mon 2/16

6:00 am-6:25 pm

1 stop12h 25m

San Luis Potosi

Fri 2/20

8:29 am-10:31 pm

1 stop14h 02m

$368

ChicagoSan Luis Potosí

ORD - SLP

ORDSLP

Chicago O'Hare Intl

Mon 3/30

6:15 am-4:40 pm

2 stops11h 25m

San Luis Potosi

Wed 4/8

9:40 am-11:54 pm

1 stop13h 14m

$368

ChicagoSan Luis Potosí

MDW - SLP

MDWSLP

Chicago Midway

Mon 2/23

6:00 am-6:25 pm

1 stop12h 25m

San Luis Potosi

Mon 3/2

8:24 am-5:45 pm

1 stop9h 21m

$368

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 32 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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
CheapflightsfaresPrice Accuracy2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-San Luis Potosí flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 January 23, 2026.

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 $103). 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’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 45% 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 38m.

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 January 27, 2026.
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
8,119 reviews

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Comfort

7.9

Boarding

8.1

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
8,119 reviews
Delta
7.9
Good
8,119 reviews

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Comfort

7.9

Boarding

8.1

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
9,206 reviews
Delta
7.9
Good
8,119 reviews

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Comfort

7.9

Boarding

8.1

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
1,587 reviews
Delta
7.9
Good
8,119 reviews

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Comfort

7.9

Boarding

8.1

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
11,198 reviews
Delta
7.9
Good
8,119 reviews

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Comfort

7.9

Boarding

8.1

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 11h 03m. Your travel time can differ by up to 2h 45m. 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 $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 $328 and $337, respectively. Aeromexico is priced at 38% 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 Delta, 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 $103). 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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
AeromexicoCheapest$302Average$416FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$328Average$374FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$337Average$476FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$342Average$519FlexibilityNo cancel feeOn-time71%

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