San Luis Potosí

$150+ 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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SLP
Jul 11 — Jul 181
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Cheap 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 June 11, 2026.

This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:30 pm
MDW
-
SLP
Nonstop3h 45m
Volaris
Tue 9/291:29 pm
SLP
-
MDW
Nonstop3h 36m
Volaris
Deal found 6/11$336
This Mytrip deal was found by Cheapflights users on 6/8. 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 9/267:30 pm
MDW
-
SLP
Nonstop3h 45m
Volaris
Sun 10/41:29 pm
SLP
-
MDW
Nonstop3h 36m
Volaris
Deal found 6/8$370
This CheapOair deal was found by Cheapflights users on 6/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:30 pm
MDW
-
SLP
Nonstop3h 45m
Volaris
Sat 10/101:29 pm
SLP
-
MDW
Nonstop3h 36m
Volaris
Deal found 6/7$380
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.
Sat 6/137:30 pm
MDW
-
SLP
Nonstop3h 45m
Volaris
Tue 6/161:29 pm
SLP
-
MDW
Nonstop3h 36m
Volaris
Deal found 6/10$383
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:30 pm
MDW
-
SLP
Nonstop3h 45m
Volaris
Sat 9/121:29 pm
SLP
-
MDW
Nonstop3h 36m
Volaris
Deal found 6/8$384
This Faresmojo deal was found by Cheapflights users on 6/8. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/141:50 am
ORD
-
SLP
1 stop12h 10m
AeroMexico Connect
Mon 9/289:12 am
SLP
-
ORD
1 stop13h 41m
AeroMexico Connect
Deal found 6/8$386
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.
Sat 6/137:30 pm
MDW
-
SLP
Nonstop3h 45m
Volaris
Sun 6/141:29 pm
SLP
-
MDW
Nonstop3h 36m
Volaris
Deal found 6/9$386
This CheapOair deal was found by Cheapflights users on 6/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:30 pm
MDW
-
SLP
Nonstop3h 45m
Volaris
Sun 8/301:29 pm
SLP
-
MDW
Nonstop3h 36m
Volaris
Deal found 6/7$391
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/207:30 pm
MDW
-
SLP
Nonstop3h 45m
Volaris
Sat 6/271:29 pm
SLP
-
MDW
Nonstop3h 36m
Volaris
Deal found 6/9$395
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.
Thu 9/172:53 am
ORD
-
SLP
1 stop20h 38m
Multiple Airlines
Tue 9/292:10 pm
SLP
-
ORD
2 stops33h 14m
Multiple Airlines
Deal found 6/11$407
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2412:25 pm
ORD
-
SLP
1 stop11h 06m
Multiple Airlines
Mon 8/319:22 am
SLP
-
ORD
1 stop14h 33m
Multiple Airlines
Deal found 6/9$414
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/31:49 pm
ORD
-
SLP
1 stop9h 42m
Multiple Airlines
Sun 7/53:10 pm
SLP
-
ORD
2 stops32h 45m
Multiple Airlines
Deal found 6/10$416

Find 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 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$336
(FlightHub)

One-way from

$150
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$428

Good round-trip deal

$351 or less

Good one-way deal

$178 or less
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. 2% potential increase in price ($14 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Average for round-trip flights in June 2026
Price to beat on a round-trip flight from Illinois to San Luis Potosi.
Price to beat on a one-way flight from Illinois to San Luis Potosi.

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 11, 2026.
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

Cheapest round-trip
Quickest round-trip

ChicagoSan Luis Potosí

MDW - SLP

MDWSLP

Chicago Midway

Thu 9/24

7:30 pm-10:15 pm

Nonstop3h 45m

San Luis Potosi

Tue 9/29

1:29 pm-6:05 pm

Nonstop3h 36m

$354

ChicagoSan Luis Potosí

ORD - SLP

ORDSLP

Chicago O'Hare Intl

Fri 7/3

6:21 am-10:31 pm

1 stop17h 10m

San Luis Potosi

Fri 7/10

9:22 am-11:47 pm

2 stops13h 25m

$449

ChicagoSan Luis Potosí

ORD - SLP

ORDSLP

Chicago O'Hare Intl

Wed 10/21

1:50 am-8:25 am

1 stop7h 35m

San Luis Potosi

Mon 10/26

3:52 pm-11:59 pm

1 stop7h 07m

$480

ChicagoSan Luis Potosí

ORD - SLP

ORDSLP

Chicago O'Hare Intl

Wed 9/23

1:50 am-8:25 am

1 stop7h 35m

San Luis Potosi

Tue 9/29

1:41 pm-11:53 pm

1 stop9h 12m

$480

ChicagoSan Luis Potosí

ORD - SLP

ORDSLP

Chicago O'Hare Intl

Fri 9/25

1:50 am-8:25 am

1 stop7h 35m

San Luis Potosi

Sun 10/4

6:02 am-6:45 pm

2 stops11h 43m

$490

ChicagoSan Luis Potosí

MDW - SLP

MDWSLP

Chicago Midway

Thu 9/24

1:00 pm-10:54 pm

2 stops10h 54m

San Luis Potosi

Tue 9/29

9:12 am-10:25 pm

2 stops12h 13m

$495

ChicagoSan Luis Potosí

ORD - SLP

ORDSLP

Chicago O'Hare Intl

Sat 9/26

1:50 am-8:25 am

1 stop7h 35m

San Luis Potosi

Sat 10/10

9:02 am-11:53 pm

1 stop13h 51m

$512

ChicagoSan Luis Potosí

ORD - SLP

ORDSLP

Chicago O'Hare Intl

Mon 7/27

1:49 pm-10:31 pm

1 stop9h 42m

San Luis Potosi

Thu 8/6

2:48 pm-12:33 am

1 stop8h 45m

$513

ChicagoSan Luis Potosí

ORD - SLP

ORDSLP

Chicago O'Hare Intl

Tue 7/28

7:04 am-8:15 pm

1 stop14h 11m

San Luis Potosi

Tue 8/11

8:02 am-12:08 am

1 stop15h 06m

$544

ChicagoSan Luis Potosí

MDW - SLP

MDWSLP

Chicago Midway

Tue 7/7

7:30 pm-10:15 pm

Nonstop3h 45m

San Luis Potosi

Tue 7/14

1:29 pm-6:05 pm

Nonstop3h 36m

$545

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 41 resultsSorted by cheapest first
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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, July is the cheapest month in which you can book a flight from Illinois to San Luis Potosí (average of $215). Flying from Illinois to San Luis Potosí in May is currently the most expensive (average of $403). 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 11, 2026.

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.

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

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

Booking 82 days in advance of your planned departure date is, on average, the best time to get cheap flights from Illinois to San Luis Potosí. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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.

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

    For as low as $354, Volaris can have you in San Luis Potosí from Illinois in 3h 45m. The distance from Illinois to San Luis Potosí is about 1550 mi. This flight may include one or multiple stops.

  • 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 ($98), Aeromexico ($146), and American Airlines ($149).

  • 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, July is the cheapest month in which you can book a flight from Illinois to San Luis Potosí (average of $215). Flying from Illinois to San Luis Potosí in May is currently the most expensive (average of $403). 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

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Top 5 airlines flying from Illinois to San Luis Potosí

Discover the top 5 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 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
VolarisCheapest$251Average$341FlexibilityNo cancel feeOn-time79%
AeromexicoCheapest$302Average$431FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$327Average$403FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$337Average$566FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$345Average$559FlexibilityNo cancel feeOn-time71%

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