San Luis Potosí

$131+ Cheap flights from Illinois 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SLP
Apr 7 — Apr 141
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois 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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Illinois to San Luis Potosí

Keep the following information in mind while searching for Illinois to San Luis Potosí flight deals. Data was last updated April 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$260
(American Airlines)

One-way from

$131
(Delta)

Popular in

December

Cheapest in

February

Average price

$497
Provider with most accurate pricing for Chicago (CHI)-San Luis Potosi flight deals.
Provider most trusted by Cheapflights users for Chicago (CHI)-San Luis Potosi flights.
From Illinois to San Luis Potosi
One-way flight from Illinois to San Luis Potosi
Highest demand for flights based on searches. 24% potential increase in price ($187 potential increase over avg. RT price).
Cheapest flight prices on average. 10% potential price decrease ($55 potential savings vs. average RT price).
Average for round-trip flights in April 2025

Find flight deals from Illinois to San Luis Potosí

Cheapest flights from Illinois to San Luis Potosí
Explore the most affordable flight options available from Illinois to San Luis Potosí. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2025.

This American Airlines deal was found by Cheapflights users on 3/31. 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.
Wed 5/1410:15 amORD - SLP
1 stop13h 05mAmerican Airlines
Wed 5/215:30 amSLP - ORD
1 stop13h 10mAmerican Airlines
Deal found 3/31$260
This eDestinos deal was found by Cheapflights users on 4/1. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/164:06 pmORD - SLP
1 stop8h 25mAeromexico
Fri 5/2312:39 pmSLP - ORD
1 stop10h 16mAeromexico
Deal found 4/1$285
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/126:34 pmORD - SLP
1 stop28h 16mMultiple Airlines
Mon 7/147:35 amSLP - ORD
1 stop15h 15mMultiple Airlines
Deal found 4/1$290
This Delta deal was found by Cheapflights users on 3/31. 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.
Wed 5/147:05 amORD - SLP
2 stops13h 45mDelta
Wed 5/218:44 amSLP - ORD
2 stops14h 14mDelta
Deal found 3/31$310
This Delta deal was found by Cheapflights users on 3/31. 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.
Wed 5/1412:48 pmMDW - SLP
2 stops12h 11mDelta
Wed 5/218:44 amSLP - MDW
2 stops11h 43mDelta
Deal found 3/31$310
This Aeromexico deal was found by Cheapflights users on 4/1. 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.
Sat 7/512:41 pmMDW - SLP
2 stops12h 38mAeromexico
Mon 7/149:18 amSLP - MDW
1 stop7h 45mAeromexico
Deal found 4/1$333
This United deal was found by Cheapflights users on 4/1. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/15:15 amORD - SLP
1 stop14h 57mUnited Airlines
Mon 5/57:12 amSLP - ORD
1 stop11h 03mUnited Airlines
Deal found 4/1$351
This Mytrip deal was found by Cheapflights users on 3/31. 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 4/288:39 pmMDW - SLP
2 stops17h 36mMultiple Airlines
Mon 5/55:00 pmSLP - MDW
3 stops25h 06mMultiple Airlines
Deal found 3/31$788

Cheapflights Fare Finder

Customize your flight search to find flights from Illinois 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 April 2, 2025.
Use the filters below to find and compare flights from Illinois to San Luis Potosí that are best for you.

Fly from

Illinois

Fly to

San Luis Potosí

Route

Depart

Return

Price

ChicagoSan Luis Potosí

ORD - SLP

ORDSLP

Chicago O'Hare Intl

Wed 5/14

10:15 am-10:20 pm

1 stop13h 05m

San Luis Potosi

Wed 5/21

5:30 am-7:40 pm

1 stop13h 10m

$260

ChicagoSan Luis Potosí

ORD - SLP

ORDSLP

Chicago O'Hare Intl

Fri 5/16

4:06 pm-11:31 pm

1 stop8h 25m

San Luis Potosi

Fri 5/23

12:39 pm-11:55 pm

1 stop10h 16m

$285

ChicagoSan Luis Potosí

ORD - SLP

ORDSLP

Chicago O'Hare Intl

Sat 7/12

6:34 pm-9:50 pm

1 stop28h 16m

San Luis Potosi

Mon 7/14

7:35 am-11:50 pm

1 stop15h 15m

$290

ChicagoSan Luis Potosí

ORD - SLP

ORDSLP

Chicago O'Hare Intl

Wed 5/14

7:05 am-7:50 pm

2 stops13h 45m

San Luis Potosi

Wed 5/21

8:44 am-11:58 pm

2 stops14h 14m

$310

ChicagoSan Luis Potosí

MDW - SLP

MDWSLP

Chicago Midway

Wed 5/14

12:48 pm-11:59 pm

2 stops12h 11m

San Luis Potosi

Wed 5/21

8:44 am-9:27 pm

2 stops11h 43m

$310

ChicagoSan Luis Potosí

MDW - SLP

MDWSLP

Chicago Midway

Sat 7/5

12:41 pm-12:19 am

2 stops12h 38m

San Luis Potosi

Mon 7/14

9:18 am-6:03 pm

1 stop7h 45m

$333

ChicagoSan Luis Potosí

ORD - SLP

ORDSLP

Chicago O'Hare Intl

Thu 5/1

5:15 am-7:12 pm

1 stop14h 57m

San Luis Potosi

Mon 5/5

7:12 am-7:15 pm

1 stop11h 03m

$351

ChicagoSan Luis Potosí

MDW - SLP

MDWSLP

Chicago Midway

Mon 4/28

8:39 pm-1:15 pm

2 stops17h 36m

San Luis Potosi

Mon 5/5

5:00 pm-7:06 pm

3 stops25h 06m

$788

ChicagoSan Luis Potosí

ORD - SLP

ORDSLP

Chicago O'Hare Intl

Mon 5/12

1:55 am-11:56 am

1 stop11h 01m

$131

ChicagoSan Luis Potosí

ORD - SLP

ORDSLP

Chicago O'Hare Intl

Tue 5/27

7:05 am-10:20 pm

1 stop16h 15m

$134

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 15 results
1
2

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

Have a flexible travel schedule? Discover the best time to fly to San Luis Potosí from Illinois 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 Illinois to San Luis Potosí

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

Currently, January is the cheapest month in which you can book a flight from Illinois to San Luis Potosí (average of $489). Flying from Illinois to San Luis Potosí in December is currently the most expensive (average of $867). 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 IL to SLP?

Find hourly flight availability from Illinois 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 April 2, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to San Luis Potosí as you normally would.

Rainfall in San Luis Potosí by month

Plan your trip to San Luis Potosí by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Luis Potosí ranges from 0.2 - 2.6 inches per month. June is typically the wettest month, when rainfall can reach 2.6 in. March is typically the driest time to visit San Luis Potosí when rainfall is around 0.2 in.

Temperature in San Luis Potosí by month

Plan your trip to San Luis Potosí by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Luis Potosí, use this chart to help with planning. For those seeking warmer temperatures, May is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 55.4 F).

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 April 2, 2025.
Read reviews from past customers who have flown Delta, Aeromexico and United Airlines from Illinois to San Luis Potosí. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Comfort

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good
8.0
Very good

Comfort

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Comfort

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Comfort

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Comfort

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Illinois 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 Illinois?

    San Luis Potosi (SLP) is the airport you will fly into if you book a flight from Illinois to San Luis Potosí. It is only a 7.8 mi journey from San Luis Potosi (SLP) to San Luis Potosí’s city center.

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

    The cheapest airlines for a one-way flight from Illinois to San Luis Potosí are Delta ($131), American Airlines ($134), and Aeromexico ($146).

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

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

  • How can I find direct flights from Illinois 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 Illinois to San Luis Potosí.

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

    Yes. Cheapflights offers flight deals from Illinois 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 Illinois to San Luis Potosí?

    Currently, January is the cheapest month in which you can book a flight from Illinois to San Luis Potosí (average of $489). Flying from Illinois to San Luis Potosí in December is currently the most expensive (average of $867). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to San Luis Potosí

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Illinois to San Luis Potosí

Discover the top 4 airlines that operate flights from Illinois 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 April 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
AeromexicoCheapest$300Average$570FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$317Average$483FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$318Average$722FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$374Average$557FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.