Illinois

$302+ Cheap flights from San Luis Potosí, Mexico (SLP) to Illinois

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
SLP — ORD
May 5 — May 121
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Luis Potosí to Illinois 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 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 April 30, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$400
(Delta)

Popular in

August

Cheapest in

February

Average price

$504
Provider with most accurate pricing for San Luis Potosi-Chicago (CHI) flight deals.
Provider most trusted by Cheapflights users for San Luis Potosi-Chicago (CHI) flights.
From San Luis Potosi to Illinois
High demand for flights, 5% potential price rise
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Average for round-trip flights in April 2025

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 April 30, 2025.

This Delta deal was found by Cheapflights users on 4/29. 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 5/76:04 amSLP - ORD
1 stop7h 00mDelta
Mon 5/124:06 pmORD - SLP
1 stop8h 30mDelta
Deal found 4/29$302
This United Airlines deal was found by Cheapflights users on 4/29. 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 5/2912:00 pmSLP - ORD
1 stop20h 23mUnited Airlines
Thu 6/512:45 pmORD - SLP
1 stop7h 27mUnited Airlines
Deal found 4/29$403
This Delta deal was found by Cheapflights users on 4/29. 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 5/298:49 amSLP - MDW
2 stops11h 38mDelta
Thu 6/510:25 amMDW - SLP
1 stop6h 46mDelta
Deal found 4/29$458
This eDestinos deal was found by Cheapflights users on 4/29. 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 6/206:04 amSLP - ORD
1 stop7h 06mAeromexico
Sat 6/287:01 amORD - SLP
1 stop11h 38mAeromexico
Deal found 4/29$481
This Mytrip deal was found by Cheapflights users on 4/29. 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 7/142:50 pmSLP - ORD
2 stops30h 38mMultiple Airlines
Mon 7/211:03 pmORD - SLP
2 stops25h 46mMultiple Airlines
Deal found 4/29$535
This Aeromexico deal was found by Cheapflights users on 4/28. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/76:04 amSLP - MDW
2 stops14h 24mAeromexico
Mon 5/126:00 amMDW - SLP
2 stops10h 01mAeromexico
Deal found 4/28$731
This eDestinos deal was found by Cheapflights users on 4/29. 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.
Mon 7/144:27 pmSLP - ORD
1 stop21h 39mVolaris
Sun 7/201:55 amORD - SLP
3 stops38h 38mVolaris
Deal found 4/29$963

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 April 30, 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

Thu 5/29

6:04 am-9:20 pm

2 stops14h 16m

Chicago O'Hare Intl

Wed 6/4

1:57 am-11:47 am

1 stop10h 50m

$400

San Luis PotosíChicago

SLP - ORD

SLPORD

San Luis Potosi

Thu 5/29

12:00 pm-9:23 am

1 stop20h 23m

Chicago O'Hare Intl

Thu 6/5

12:45 pm-7:12 pm

1 stop7h 27m

$403

San Luis PotosíChicago

SLP - MDW

SLPMDW

San Luis Potosi

Thu 5/29

8:49 am-9:27 pm

2 stops11h 38m

Chicago Midway

Thu 6/5

10:25 am-4:11 pm

1 stop6h 46m

$458

San Luis PotosíChicago

SLP - ORD

SLPORD

San Luis Potosi

Fri 6/20

6:04 am-2:10 pm

1 stop7h 06m

Chicago O'Hare Intl

Sat 6/28

7:01 am-5:39 pm

1 stop11h 38m

$481

San Luis PotosíChicago

SLP - ORD

SLPORD

San Luis Potosi

Mon 7/14

2:50 pm-10:28 pm

2 stops30h 38m

Chicago O'Hare Intl

Mon 7/21

1:03 pm-1:49 pm

2 stops25h 46m

$535

San Luis PotosíChicago

SLP - MDW

SLPMDW

San Luis Potosi

Mon 7/14

7:36 pm-3:37 pm

2 stops19h 01m

Chicago Midway

Mon 7/21

6:00 am-9:18 pm

2 stops16h 18m

$820

San Luis PotosíChicago

SLP - ORD

SLPORD

San Luis Potosi

Mon 7/14

4:27 pm-3:06 pm

1 stop21h 39m

Chicago O'Hare Intl

Sun 7/20

1:55 am-3:33 pm

3 stops38h 38m

$963

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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.

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated April 30, 2025.
Peruse reviews from past customers who have flown with Delta, Aeromexico and United Airlines from San Luis Potosí to Illinois to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good
8.0
Very good

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • 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

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.

Top airline flying from San Luis Potosí to Illinois

Discover the top airline that operate flights from San Luis Potosí to Illinois. 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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$276Average$465FlexibilityNo 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.