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$184+ 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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
SLP — ORD
nov. 27 — dic. 41
jue. 11/27
jue. 12/4
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 octubre 28, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$342
(United Airlines)

One-way from

$184
(Mytrip)

Popular in

December

Cheapest in

July

Average price

$360
Provider with most accurate pricing for San Luis Potosi-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for San Luis Potosi-Chicago (CHI) flights.
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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. 9% potential increase in price ($40 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in October 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 octubre 28, 2025.

This United Airlines deal was found by Cheapflights users on 10/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/2512:49 pmSLP - ORD
1 stop21h 13mUnited Airlines
mié. 12/39:05 pmORD - SLP
1 stop23h 49mUnited Airlines
Deal found 10/26$342
This Delta deal was found by Cheapflights users on 10/25. 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.
vie. 11/78:28 amSLP - MDW
1 stop13h 46mDelta
mié. 11/1210:47 amMDW - SLP
1 stop7h 31mDelta
Deal found 10/25$350
This Delta deal was found by Cheapflights users on 10/25. 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.
vie. 11/78:28 amSLP - ORD
2 stops11h 55mDelta
mié. 11/1211:37 amORD - SLP
1 stop6h 41mDelta
Deal found 10/25$350
This American Airlines deal was found by Cheapflights users on 10/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/256:15 amSLP - ORD
1 stop17h 16mAmerican Airlines
mié. 12/35:18 amORD - SLP
1 stop16h 03mAmerican Airlines
Deal found 10/27$351
This Mytrip deal was found by Cheapflights users on 10/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/253:19 pmSLP - ORD
2 stops17h 58mMultiple Airlines
mar. 12/29:22 pmORD - SLP
1 stop15h 54mMultiple Airlines
Deal found 10/26$358
This American Airlines deal was found by Cheapflights users on 10/28. 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.
vie. 11/76:15 amSLP - ORD
1 stop17h 22mAmerican Airlines
sáb. 11/155:18 amORD - SLP
1 stop16h 17mAmerican Airlines
Deal found 10/28$360
This United Airlines deal was found by Cheapflights users on 10/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/36:00 amSLP - ORD
1 stop15h 17mUnited Airlines
vie. 11/77:10 amORD - SLP
1 stop13h 50mUnited Airlines
Deal found 10/26$363
This Delta deal was found by Cheapflights users on 10/28. 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.
vie. 11/78:28 amSLP - ORD
2 stops11h 55mDelta
sáb. 11/156:45 amORD - SLP
2 stops11h 33mDelta
Deal found 10/28$372
This Delta deal was found by Cheapflights users on 10/26. 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.
dom. 11/28:28 amSLP - MDW
1 stop13h 46mDelta
vie. 11/76:00 amMDW - SLP
2 stops14h 18mDelta
Deal found 10/26$383
This United Airlines deal was found by Cheapflights users on 10/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/36:00 amSLP - ORD
1 stop17h 10mUnited Airlines
lun. 2/26:20 pmORD - SLP
1 stop17h 29mUnited Airlines
Deal found 10/27$383
This Delta deal was found by Cheapflights users on 10/28. 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.
mar. 10/284:17 pmSLP - ORD
1 stop6h 24mDelta
mié. 11/511:23 amORD - SLP
1 stop6h 55mDelta
Deal found 10/28$401
This American Airlines deal was found by Cheapflights users on 10/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/256:15 amSLP - ORD
1 stop16h 08mAmerican Airlines
mar. 12/28:10 amORD - SLP
1 stop15h 39mAmerican Airlines
Deal found 10/26$405

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 octubre 28, 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 - MDW

SLPMDW

San Luis Potosi

vie. 11/7

8:28 am-10:14 pm

1 stop13h 46m

Chicago Midway

mié. 11/12

9:34 am-6:18 pm

2 stops8h 44m

$350

San Luis PotosíChicago

SLP - ORD

SLPORD

San Luis Potosi

vie. 11/7

12:49 pm-10:46 am

1 stop21h 57m

Chicago O'Hare Intl

mié. 11/12

12:45 pm-9:00 pm

1 stop8h 15m

$350

San Luis PotosíChicago

SLP - ORD

SLPORD

San Luis Potosi

vie. 11/7

8:28 am-8:23 pm

2 stops11h 55m

Chicago O'Hare Intl

mié. 11/12

11:37 am-6:18 pm

1 stop6h 41m

$350

San Luis PotosíChicago

SLP - ORD

SLPORD

San Luis Potosi

mar. 11/25

6:15 am-11:31 pm

1 stop17h 16m

Chicago O'Hare Intl

mié. 12/3

5:18 am-9:21 pm

1 stop16h 03m

$351

San Luis PotosíChicago

SLP - ORD

SLPORD

San Luis Potosi

vie. 11/7

8:28 am-8:23 pm

2 stops11h 55m

Chicago O'Hare Intl

sáb. 11/15

5:23 am-6:18 pm

1 stop12h 55m

$372

San Luis PotosíChicago

SLP - ORD

SLPORD

San Luis Potosi

mar. 11/25

3:19 pm-9:17 am

2 stops17h 58m

Chicago O'Hare Intl

mar. 12/2

3:53 pm-1:16 pm

2 stops21h 23m

$385

San Luis PotosíChicago

SLP - ORD

SLPORD

San Luis Potosi

mar. 11/25

9:36 am-10:41 pm

1 stop13h 05m

Chicago O'Hare Intl

mié. 12/3

6:45 am-6:18 pm

2 stops11h 33m

$438

San Luis PotosíChicago

SLP - MDW

SLPMDW

San Luis Potosi

mar. 11/25

9:36 am-11:40 pm

2 stops14h 04m

Chicago Midway

mié. 12/3

6:00 am-6:18 pm

1 stop12h 18m

$443

San Luis PotosíChicago

SLP - MDW

SLPMDW

San Luis Potosi

mié. 12/24

11:37 am-10:22 pm

2 stops10h 45m

Chicago Midway

lun. 12/29

6:00 am-6:35 pm

1 stop12h 35m

$443

San Luis PotosíChicago

SLP - ORD

SLPORD

San Luis Potosi

mié. 12/24

11:37 am-12:02 am

2 stops12h 25m

Chicago O'Hare Intl

lun. 12/29

6:45 am-6:35 pm

1 stop11h 50m

$444

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 23 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 $142). Flying from San Luis Potosí to Illinois in January is currently the most expensive (average of $283). 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 46m. Fly via Delta, United Airlines, or American Airlines to get the fastest option. There are 1550 mi between San Luis Potosí and Illinois. This flight may include one or multiple stops.

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

    The cheapest airlines for a one-way flight from San Luis Potosí to Illinois are Delta ($195), United Airlines ($201), and Aeromexico ($205).

  • 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 $142). Flying from San Luis Potosí to Illinois in January is currently the most expensive (average of $283). 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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