$145+ 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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
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 June 12, 2025.
Round-trip from | $335 (Delta) |
|---|---|
One-way from | $145 (Aeromexico) |
Popular in | December |
Cheapest in | February |
Average price | $444 |
Find flight deals from Illinois to San Luis Potosí
Cheapest flights from Illinois to San Luis PotosíExplore 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 June 12, 2025.
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 June 12, 2025.
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Aeromexico deal was found by Cheapflights users on 6/12. 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.
This Delta deal was found by Cheapflights users on 6/12. 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.
This American Airlines deal was found by Cheapflights users on 6/10. 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.
This Aeromexico deal was found by Cheapflights users on 6/11. 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.
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 6/10. 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.
This Mytrip deal was found by Cheapflights users on 6/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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 June 12, 2025.
Use the filters below to find and compare flights from Illinois to San Luis Potosí that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
ChicagoSan Luis Potosí
ORD - SLP
ORDSLP
Chicago O'Hare Intl
Tue 9/2
5:45 am-6:21 pm
2 stops13h 36m
San Luis Potosi
Tue 9/16
9:00 am-6:56 pm
1 stop8h 56m
ChicagoSan Luis Potosí
MDW - SLP
MDWSLP
Chicago Midway
Tue 11/11
10:35 am-5:49 pm
1 stop7h 14m
San Luis Potosi
Tue 11/18
10:08 am-9:44 pm
2 stops11h 36m
ChicagoSan Luis Potosí
MDW - SLP
MDWSLP
Chicago Midway
Thu 8/7
10:30 am-4:05 pm
1 stop6h 35m
San Luis Potosi
Wed 8/13
7:18 am-9:49 pm
2 stops13h 31m
ChicagoSan Luis Potosí
ORD - SLP
ORDSLP
Chicago O'Hare Intl
Wed 7/2
1:28 pm-10:15 pm
1 stop9h 47m
San Luis Potosi
Wed 7/9
5:14 am-7:24 pm
1 stop13h 10m
ChicagoSan Luis Potosí
ORD - SLP
ORDSLP
Chicago O'Hare Intl
Wed 9/10
1:55 am-8:59 am
1 stop8h 04m
San Luis Potosi
Fri 9/19
2:53 pm-12:29 am
1 stop8h 36m
ChicagoSan Luis Potosí
ORD - SLP
ORDSLP
Chicago O'Hare Intl
Thu 9/11
7:00 pm-1:24 pm
1 stop19h 24m
San Luis Potosi
Fri 9/19
2:26 pm-2:34 pm
2 stops23h 08m
ChicagoSan Luis Potosí
ORD - SLP
ORDSLP
Chicago O'Hare Intl
Sat 7/5
9:50 pm-11:04 am
1 stop14h 14m
San Luis Potosi
Wed 7/16
7:12 am-12:15 am
1 stop16h 03m
ChicagoSan Luis Potosí
MDW - SLP
MDWSLP
Chicago Midway
Thu 7/17
8:39 pm-4:30 pm
2 stops20h 51m
San Luis Potosi
Sat 7/26
11:30 pm-4:54 pm
2 stops16h 24m
ChicagoSan Luis Potosí
MDW - SLP
MDWSLP
Chicago Midway
Sat 8/2
6:00 am-4:05 pm
1 stop11h 05m
ChicagoSan Luis Potosí
ORD - SLP
ORDSLP
Chicago O'Hare Intl
Sat 8/2
7:00 am-4:05 pm
1 stop10h 05m
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.
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 June 12, 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 June 12, 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.
Entertainment
Boarding
Comfort
Food
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Boarding
Comfort
Food
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Boarding
Comfort
Food
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Boarding
Comfort
Food
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Boarding
Comfort
Food
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Boarding
Comfort
Food
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
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.
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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 June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$264 | Average$498 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$306 | Average$449 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$318 | Average$380 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$350 | Average$538 | FlexibilityNo cancel fee | On-time69% |