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$207+ Cheap flights from San Luis Potosí, Mexico (SLP) to Illinois

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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
SLP — ORD
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from San Luis Potosí to Illinois

Keep the following information in mind while searching for San Luis Potosí to Illinois flight deals. Data was last updated September 11, 2025.

Round-trip from

$327
(Kiwi.com)

One-way from

$207
(Aeromexico)

Popular in

December

Cheapest in

July

Average price

$441
From San Luis Potosi to Illinois
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One-way flight from San Luis Potosi to Illinois
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Highest demand for flights based on searches. 5% potential increase in price ($23 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from San Luis Potosí to Illinois

Cheapest flights from San Luis Potosí to Illinois
Explore the most affordable flight options available from San Luis Potosí to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Thu 10/234:27 pmSLP - ORD
2 stops25h 19mMultiple Airlines
Sat 11/87:35 amORD - SLP
1 stop6h 21mMultiple Airlines
Deal found 9/9$327
This Delta deal was found by Cheapflights users on 9/11. 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.
Thu 10/305:52 amSLP - ORD
1 stop7h 20mDelta
Sun 1/181:00 amORD - SLP
1 stop11h 12mDelta
Deal found 9/11$336
This Aeromexico deal was found by Cheapflights users on 9/11. 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 10/216:00 amSLP - ORD
1 stop16h 55mAeromexico
Tue 10/285:20 amORD - SLP
1 stop13h 58mAeromexico
Deal found 9/11$337
This Delta deal was found by Cheapflights users on 9/11. 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.
Thu 10/308:28 amSLP - MDW
1 stop6h 41mDelta
Mon 1/196:00 amMDW - SLP
2 stops13h 37mDelta
Deal found 9/11$342
This Delta deal was found by Cheapflights users on 9/11. 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.
Tue 10/289:02 amSLP - ORD
2 stops13h 56mDelta
Wed 11/58:55 amORD - SLP
2 stops9h 23mDelta
Deal found 9/11$342
This Delta deal was found by Cheapflights users on 9/11. 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.
Thu 11/2012:42 pmSLP - MDW
2 stops10h 50mDelta
Mon 12/110:47 amMDW - SLP
1 stop7h 31mDelta
Deal found 9/11$343
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Thu 11/2012:49 pmSLP - ORD
1 stop10h 21mUnited Airlines
Mon 12/19:08 pmORD - SLP
1 stop14h 41mUnited Airlines
Deal found 9/11$343
This Delta deal was found by Cheapflights users on 9/11. 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.
Fri 10/3112:40 pmSLP - ORD
1 stop10h 01mDelta
Wed 1/711:19 amORD - SLP
1 stop6h 30mDelta
Deal found 9/11$350
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 12/251:33 pmSLP - ORD
1 stop8h 46mAmerican Airlines
Thu 1/17:29 amORD - SLP
1 stop15h 30mAmerican Airlines
Deal found 9/10$352
This Delta deal was found by Cheapflights users on 9/11. 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.
Fri 10/318:28 amSLP - MDW
1 stop12h 46mDelta
Wed 1/710:35 amMDW - SLP
1 stop7h 14mDelta
Deal found 9/11$355
This Delta deal was found by Cheapflights users on 9/11. 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.
Fri 11/218:28 amSLP - MDW
1 stop15h 04mDelta
Mon 12/110:47 amMDW - SLP
1 stop7h 31mDelta
Deal found 9/11$356
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Fri 11/216:00 amSLP - ORD
1 stop27h 11mUnited Airlines
Mon 12/15:10 pmORD - SLP
1 stop18h 39mUnited Airlines
Deal found 9/11$356

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Luis Potosí to Illinois 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 September 11, 2025.
Use the filters below to find and compare flights from San Luis Potosí to Illinois that are best for you.

Fly from

San Luis Potosí

Fly to

Illinois

Route

Depart

Return

Price

San Luis PotosíChicago

SLP - ORD

SLPORD

San Luis Potosi

Tue 10/28

9:02 am-11:41 pm

1 stop13h 39m

Chicago O'Hare Intl

Wed 11/5

7:10 am-6:18 pm

2 stops11h 08m

$336

San Luis PotosíChicago

SLP - ORD

SLPORD

San Luis Potosi

Thu 10/30

5:52 am-2:12 pm

1 stop7h 20m

Chicago O'Hare Intl

Mon 1/19

5:50 am-7:37 pm

2 stops13h 47m

$336

San Luis PotosíChicago

SLP - ORD

SLPORD

San Luis Potosi

Mon 11/3

6:00 am-9:11 am

1 stop27h 11m

Chicago O'Hare Intl

Mon 2/2

7:50 pm-9:00 pm

1 stop25h 10m

$342

San Luis PotosíChicago

SLP - MDW

SLPMDW

San Luis Potosi

Thu 10/30

8:28 am-4:09 pm

1 stop6h 41m

Chicago Midway

Mon 1/19

6:00 am-5:49 pm

1 stop11h 49m

$342

San Luis PotosíChicago

SLP - MDW

SLPMDW

San Luis Potosi

Tue 10/21

9:30 am-10:14 pm

1 stop11h 44m

Chicago Midway

Tue 10/28

6:00 am-6:18 pm

1 stop13h 18m

$342

San Luis PotosíChicago

SLP - MDW

SLPMDW

San Luis Potosi

Mon 11/3

8:28 am-6:25 pm

2 stops9h 57m

Chicago Midway

Mon 2/2

10:35 am-11:37 pm

2 stops13h 02m

$342

San Luis PotosíChicago

SLP - ORD

SLPORD

San Luis Potosi

Tue 10/21

9:30 am-11:58 pm

1 stop13h 28m

Chicago O'Hare Intl

Tue 10/28

7:10 am-6:18 pm

2 stops12h 08m

$342

San Luis PotosíChicago

SLP - MDW

SLPMDW

San Luis Potosi

Fri 10/31

8:28 am-10:14 pm

1 stop12h 46m

Chicago Midway

Wed 1/7

6:00 am-5:49 pm

1 stop11h 49m

$355

San Luis PotosíChicago

SLP - MDW

SLPMDW

San Luis Potosi

Fri 11/21

9:36 am-11:32 pm

2 stops13h 56m

Chicago Midway

Mon 12/1

6:00 am-6:18 pm

1 stop12h 18m

$355

San Luis PotosíChicago

SLP - MDW

SLPMDW

San Luis Potosi

Fri 11/21

9:36 am-11:32 pm

2 stops13h 56m

Chicago Midway

Mon 11/24

9:32 am-6:18 pm

2 stops8h 46m

$355

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 30 results
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Best time to book a flight from San Luis Potosí to Illinois

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

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

Currently, August is the cheapest month in which you can book a flight from San Luis Potosí to Illinois (average of $245). Flying from San Luis Potosí to Illinois in March is currently the most expensive (average of $321). 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.

Related info for your journey

Find useful and relevant information for your journey from San Luis Potosí to Illinois. 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 from for flights from San Luis Potosí to Illinois?

    For a flight from San Luis Potosí to Illinois, you will be flying from San Luis Potosi. San Luis Potosi (SLP) is just 7.8 mi from the center of the city.

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

    There are many flights that can get you from San Luis Potosí to Illinois in 13h 39m. Fly via Delta to get the fastest option. There are 1556 mi between San Luis Potosí and Illinois.

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

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

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Luis Potosí to Illinois.

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

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

    Currently, August is the cheapest month in which you can book a flight from San Luis Potosí to Illinois (average of $245). Flying from San Luis Potosí to Illinois in March is currently the most expensive (average of $321). 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 San Luis Potosí to Illinois

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