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Cheap flights from Illinois to San Luis Potosí from $120

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to San Luis Potosí departing on 7/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Illinois to San Luis Potosí

Cheap round-trip flights

Enter your travel dates to find the best prices.
Volaris Logo
7:30 pm - 10:36 pm
MDW
-
SLP
4h 06mnonstop
Volaris Logo
1:28 pm - 6:05 pm
SLP
-
MDW
3h 37mnonstop
$291Volaris
Thu, Sep 10 - Sat, Sep 19
Volaris Logo
7:30 pm - 10:36 pm
MDW
-
SLP
4h 06mnonstop
Volaris Logo
1:28 pm - 6:05 pm
SLP
-
MDW
3h 37mnonstop
$306Volaris
Sat, Aug 15 - Sat, Aug 29
Volaris Logo
7:30 pm - 10:36 pm
MDW
-
SLP
4h 06mnonstop
Volaris Logo
1:28 pm - 6:05 pm
SLP
-
MDW
3h 37mnonstop
$338Volaris
Sun, Jul 12 - Thu, Jul 23
Volaris Logo
7:30 pm - 10:36 pm
MDW
-
SLP
4h 06mnonstop
Volaris Logo
1:28 pm - 6:05 pm
SLP
-
MDW
3h 37mnonstop
$363Volaris
Thu, Sep 24 - Tue, Sep 29
Volaris Logo
7:30 pm - 10:36 pm
MDW
-
SLP
4h 06mnonstop
Volaris Logo
1:28 pm - 6:05 pm
SLP
-
MDW
3h 37mnonstop
$383Volaris
Sat, Jun 6 - Sat, Jun 20
Volaris Logo
7:30 pm - 10:36 pm
MDW
-
SLP
4h 06mnonstop
Volaris Logo
1:28 pm - 6:05 pm
SLP
-
MDW
3h 37mnonstop
$384Volaris
Thu, Jul 16 - Tue, Jul 21
Volaris Logo
7:30 pm - 10:36 pm
MDW
-
SLP
4h 06mnonstop
Volaris Logo
1:28 pm - 6:05 pm
SLP
-
MDW
3h 37mnonstop
$388Volaris
Sat, Jun 20 - Tue, Jun 30
Volaris Logo
7:30 pm - 10:36 pm
MDW
-
SLP
4h 06mnonstop
Volaris Logo
1:28 pm - 6:05 pm
SLP
-
MDW
3h 37mnonstop
$393Volaris
Sun, Jun 7 - Sat, Jun 13
Multiple Airlines Logo
6:55 am - 1:26 pm
ORD
-
SLP
31h 31m
2 stops
Multiple Airlines Logo
3:10 pm - 3:17 pm
SLP
-
ORD
23h 07m
2 stops
$419Multiple Airlines
Fri, May 29 - Tue, Jun 30
Multiple Airlines Logo
9:48 pm - 10:44 pm
ORD
-
SLP
25h 56m
2 stops
Multiple Airlines Logo
3:10 pm - 3:17 pm
SLP
-
ORD
23h 07m
2 stops
$424Multiple Airlines
Tue, Jun 23 - Tue, Jun 30

Delta flights from Illinois to San Luis Potosí

Our best Delta deals on Illinois to San Luis Potosí flight tickets
Delta
May 27
ORD2:01 amChicago O'Hare Intl
13h 59m
1 stop
SLP3:00 pmSan Luis Potosi
Jun 2
SLP12:13 pmSan Luis Potosi
10h 54m
1 stop
ORD12:07 amChicago O'Hare Intl
$523
Delta
May 27
MDW6:23 amChicago Midway
17h 31m
2 stops
SLP10:54 pmSan Luis Potosi
Jun 3
SLP8:17 amSan Luis Potosi
11h 52m
2 stops
MDW9:09 pmChicago Midway
$537
Delta
Aug 7
MDW6:05 amChicago Midway
12h 29m
2 stops
SLP5:34 pmSan Luis Potosi
Aug 11
SLP8:02 amSan Luis Potosi
12h 44m
2 stops
MDW9:46 pmChicago Midway
$569

United Airlines flights from Illinois to San Luis Potosí

Our best United Airlines deals on Illinois to San Luis Potosí flight tickets
United Airlines
Jun 27
ORD9:40 pmChicago O'Hare Intl
14h 09m
1 stop
SLP10:49 amSan Luis Potosi
Jul 4
SLP7:12 amSan Luis Potosi
6h 39m
1 stop
ORD2:51 pmChicago O'Hare Intl
$505
United Airlines
Jun 6
ORD5:30 amChicago O'Hare Intl
6h 19m
1 stop
SLP10:49 amSan Luis Potosi
Jun 17
SLP11:45 amSan Luis Potosi
8h 51m
1 stop
ORD9:36 pmChicago O'Hare Intl
$506
United Airlines
Jun 20
ORD6:30 amChicago O'Hare Intl
13h 42m
1 stop
SLP7:12 pmSan Luis Potosi
Jun 30
SLP7:12 amSan Luis Potosi
9h 21m
1 stop
ORD5:33 pmChicago O'Hare Intl
$509

momondo 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, momondo users made 832,500 searches. Data last updated April 30, 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 9/10

7:30 pm-10:36 pm

Nonstop4h 06m

San Luis Potosi

Sat 9/19

1:28 pm-6:05 pm

Nonstop3h 37m

$291

ChicagoSan Luis Potosí

MDW - SLP

MDWSLP

Chicago Midway

Sat 8/15

7:30 pm-10:36 pm

Nonstop4h 06m

San Luis Potosi

Sat 8/29

1:28 pm-6:05 pm

Nonstop3h 37m

$306

ChicagoSan Luis Potosí

MDW - SLP

MDWSLP

Chicago Midway

Sun 7/12

7:30 pm-10:36 pm

Nonstop4h 06m

San Luis Potosi

Thu 7/23

1:28 pm-6:05 pm

Nonstop3h 37m

$338

ChicagoSan Luis Potosí

MDW - SLP

MDWSLP

Chicago Midway

Thu 9/24

7:30 pm-10:36 pm

Nonstop4h 06m

San Luis Potosi

Tue 9/29

1:28 pm-6:05 pm

Nonstop3h 37m

$363

ChicagoSan Luis Potosí

MDW - SLP

MDWSLP

Chicago Midway

Sat 6/6

7:30 pm-10:36 pm

Nonstop4h 06m

San Luis Potosi

Sat 6/20

1:28 pm-6:05 pm

Nonstop3h 37m

$383

ChicagoSan Luis Potosí

MDW - SLP

MDWSLP

Chicago Midway

Thu 7/16

7:30 pm-10:36 pm

Nonstop4h 06m

San Luis Potosi

Tue 7/21

1:28 pm-6:05 pm

Nonstop3h 37m

$384

ChicagoSan Luis Potosí

MDW - SLP

MDWSLP

Chicago Midway

Sat 6/20

7:30 pm-10:36 pm

Nonstop4h 06m

San Luis Potosi

Tue 6/30

1:28 pm-6:05 pm

Nonstop3h 37m

$388

ChicagoSan Luis Potosí

MDW - SLP

MDWSLP

Chicago Midway

Sun 6/7

7:30 pm-10:36 pm

Nonstop4h 06m

San Luis Potosi

Sat 6/13

1:28 pm-6:05 pm

Nonstop3h 37m

$393

ChicagoSan Luis Potosí

ORD - SLP

ORDSLP

Chicago O'Hare Intl

Fri 5/29

6:55 am-1:26 pm

2 stops31h 31m

San Luis Potosi

Tue 6/30

3:10 pm-3:17 pm

2 stops23h 07m

$419

ChicagoSan Luis Potosí

ORD - SLP

ORDSLP

Chicago O'Hare Intl

Tue 6/23

9:48 pm-10:44 pm

2 stops25h 56m

San Luis Potosi

Tue 6/30

3:10 pm-3:17 pm

2 stops23h 07m

$424

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Luis Potosí from

How to get the cheapest flight ticket from Illinois to San Luis Potosí

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Luis Potosí?

The cheapest month to fly to San Luis Potosí from Illinois is in July. Flight prices, which tend to average around $150, are often lower during this time because this is during the off-season. If you’re not able to fly to San Luis Potosí in July, then August is your next best option. Flight prices from Illinois to San Luis Potosí during August average around $222.

What is the cheapest day to depart on your flight to San Luis Potosí?

Our data shows that Thursday is the least expensive day to fly to San Luis Potosí. Tickets to fly out on this day can be as low as $360. The most expensive day to fly to San Luis Potosí is Saturday, with ticket prices averaging around $376.

What is the cheapest Illinois to San Luis Potosi flight route?

Fly from Chicago Midway to San Luis Potosi for the best Illinois - San Luis Potosi flight prices

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

You are more likely to see cheaper flights to San Luis Potosí from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to San Luis Potosí for around $492 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Luis Potosí from Illinois for as low as $322 on momondo.

Can stopping save me money on Illinois to San Luis Potosí flights?

You could potentially save up to 2% on your flight if you consider stops on a Illinois to San Luis Potosí flight.

Cheap Illinois to San Luis Potosí flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to San Luis Potosí

Best Price Found

$353

Fastest flight time

4h 06m

Direct flights

Mon, Wed, Fri and Sun

Airports in San Luis Potosí

1 airport
The best flight deal from Illinois to San Luis Potosí found on momondo in the last 72 hours is $353
The fastest flight from Illinois to San Luis Potosí takes 4h 06m
Direct flights go from Illinois to San Luis Potosí on Monday, Wednesday, Friday and Sunday. There are no airlines offering direct flights.
There is 1 airport in San Luis Potosí. From Illinois there are direct flights to San Luis Potosi (SLP).
Search flight deals

Frequently asked questions about flying from Illinois to San Luis Potosí

  • When did momondo last update prices for flights from Illinois to San Luis Potosi Airport?

    Prices for flights from Illinois to San Luis Potosi Airport refresh daily.

  • How many operators does momondo search for flights from Illinois to San Luis Potosi Airport?

  • How old do you have to be to fly from Illinois to San Luis Potosi Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to San Luis Potosi Airport.

  • What documentation or ID do you need to fly to San Luis Potosi Airport?

    The required travel and health documents for your San Luis Potosi Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Luis Potosi Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Illinois to San Luis Potosí?

Best airlines flying from Illinois to San Luis Potosí

Compare and see reviews for airlines that fly from Illinois to San Luis Potosí with momondo
Airline
Rating
Free Cancellation
Price
AeromexicoPriceFrom $302Free CancellationRating
7.4
1,520 reviews
Search Aeromexico flights
DeltaPriceFrom $327Free CancellationRating
7.9
8,465 reviews
Search Delta flights
American AirlinesPriceFrom $342Free CancellationRating
7.1
11,684 reviews
Search American Airlines flights
United AirlinesPriceFrom $345Free CancellationRating
7.4
9,678 reviews
Search United Airlines flights

Traveling to a place near San Luis Potosí?

Book flights to San Luis Potosí if you plan to visit one of these locations
Real de Catorce

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to San Luis Potosí?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Luis Potosí from Illinois.

Can I find flights from Illinois to San Luis Potosí with flexible booking policies on momondo?

momondo does allow users to show only those flights to San Luis Potosí from Illinois which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Illinois to San Luis Potosí?

momondo helps you find the best flight between Illinois and San Luis Potosí by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Illinois to San Luis Potosí right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Illinois to San Luis Potosí now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Luis Potosí and let you know when they change.

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Fly your favorite airline to San Luis Potosí

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Volaris
American Airlines
Viva
United Airlines
Delta
Aeromexico
Frontier