What is the cheapest airline that flies from Ontario to San Luis Potosi?

United Airlines is the most popular carrier operating from Ontario to San Luis Potosi

Which airlines fly to San Luis Potosí?

United Airlines, Aeromexico and American Airlines are the top three most popular airlines that fly to San Luis Potosí from Region of Ontario according to our data. United Airlines is the first choice among our users, with 42% of people opting to fly with this airline when travelling to San Luis Potosí. Keep in mind that there are 3 different airlines that fly to San Luis Potosí on a routine basis, so you have a few additional options to choose from.

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

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

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

The number of operators available for flights from Ontario to San Luis Potosi Airport is 2 as of October 2026.

How old do you have to be to fly from Ontario 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 Ontario to San Luis Potosi Airport.

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

The travel and health documents you'll need for your trip to San Luis Potosi Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Luis Potosi Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

C$ 531 Cheap Flights from Ontario to San Luis Potosí in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to San Luis Potosí

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:10 p.m. - 8:57 p.m.YYZ Toronto Pearson Intl-SLP San Luis Potosi

24h 47m2 stops Newark Houston George Bush Intcntl

12:49 p.m. - 8:08 p.m.SLP San Luis Potosi-YYZ Toronto Pearson Intl

30h 19m2 stops Houston George Bush Intcntl Cleveland Hopkins Intl

C$ 836United Airlines

Mon, 16 Nov - Fri, 20 Nov

6:10 a.m. - 10:49 a.m.YYZ Toronto Pearson Intl-SLP San Luis Potosi

6h 39m1 stop Houston George Bush Intcntl

11:45 a.m. - 11:49 a.m.SLP San Luis Potosi-YYZ Toronto Pearson Intl

22h 04m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

C$ 848United Airlines

Thu, 15 Oct - Thu, 22 Oct

6:10 a.m. - 10:49 a.m.YYZ Toronto Pearson Intl-SLP San Luis Potosi

6h 39m1 stop Houston George Bush Intcntl

11:45 a.m. - 11:49 a.m.SLP San Luis Potosi-YYZ Toronto Pearson Intl

22h 04m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

C$ 851United Airlines

Thu, 15 Oct - Thu, 22 Oct

2:30 p.m. - 10:49 a.m.YYZ Toronto Pearson Intl-SLP San Luis Potosi

22h 19m2 stops Washington, D.C. Dulles Intl Houston George Bush Intcntl

11:45 a.m. - 1:42 p.m.SLP San Luis Potosi-YYZ Toronto Pearson Intl

23h 57m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

C$ 890United Airlines

Thu, 15 Oct - Thu, 22 Oct

6:10 a.m. - 10:49 a.m.YYZ Toronto Pearson Intl-SLP San Luis Potosi

6h 39m1 stop Houston George Bush Intcntl

7:12 a.m. - 4:15 p.m.SLP San Luis Potosi-YYZ Toronto Pearson Intl

7h 03m1 stop Houston George Bush Intcntl

C$ 953United Airlines

Thu, 15 Oct - Thu, 22 Oct

7:55 a.m. - 9:05 a.m.YYZ Toronto Pearson Intl-SLP San Luis Potosi

26h 10m2 stops San José del Cabo Los Cabos Guadalajara Miguel Hidal

7:00 a.m. - 5:05 p.m.SLP San Luis Potosi-YYZ Toronto Pearson Intl

9h 05m1 stop Cancun

C$ 981Multiple Airlines

Mon, 21 Dec - Mon, 11 Jan

7:55 a.m. - 9:05 a.m.YYZ Toronto Pearson Intl-SLP San Luis Potosi

26h 10m2 stops San José del Cabo Los Cabos Guadalajara Miguel Hidal

6:41 p.m. - 3:50 p.m.SLP San Luis Potosi-YYZ Toronto Pearson Intl

20h 09m2 stops Mexico City Felipe Ángeles Intl Cancun

C$ 1,001Multiple Airlines

Mon, 21 Dec - Mon, 11 Jan

2:35 p.m. - 12:29 p.m.YYZ Toronto Pearson Intl-SLP San Luis Potosi

22h 54m1 stop Cancun

7:00 a.m. - 5:05 p.m.SLP San Luis Potosi-YYZ Toronto Pearson Intl

9h 05m1 stop Cancun

C$ 1,074Multiple Airlines

Mon, 21 Dec - Mon, 11 Jan

6:00 a.m. - 10:28 p.m.YYZ Toronto Pearson Intl-SLP San Luis Potosi

17h 28m3 stops Calgary San José del Cabo Los Cabos Guadalajara Miguel Hidal

9:36 a.m. - 11:50 p.m.SLP San Luis Potosi-YYZ Toronto Pearson Intl

13h 14m2 stops Guadalajara Miguel Hidal Cancun

C$ 1,181Multiple Airlines

Mon, 21 Dec - Mon, 11 Jan

8:20 a.m. - 10:31 p.m.YTZ Toronto Island-SLP San Luis Potosi

16h 11m3 stops Ottawa Chicago O'Hare Intl Guadalajara Miguel Hidal

9:32 a.m. - 5:20 p.m.SLP San Luis Potosi-YTZ Toronto Island

29h 48m3 stops Puerto Vallarta Ordaz Guadalajara Miguel Hidal Washington, D.C. Dulles Intl

C$ 1,348Multiple Airlines

Fri, 16 Oct - Sat, 17 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

10:15 a.m. - 7:12 p.m.YYZ Toronto Pearson Intl-SLP San Luis Potosi

10h 57m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

7:12 a.m. - 10:36 p.m.SLP San Luis Potosi-YYZ Toronto Pearson Intl

13h 24m1 stop Houston George Bush Intcntl

C$ 831United Airlines

Fri, 2 Oct - Mon, 5 Oct

11:00 a.m. - 7:12 p.m.YYZ Toronto Pearson Intl-SLP San Luis Potosi

10h 12m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

11:45 a.m. - 9:19 a.m.SLP San Luis Potosi-YYZ Toronto Pearson Intl

19h 34m2 stops Houston George Bush Intcntl Newark

C$ 831United Airlines

Fri, 2 Oct - Mon, 5 Oct

6:10 a.m. - 10:49 a.m.YYZ Toronto Pearson Intl-SLP San Luis Potosi

6h 39m1 stop Houston George Bush Intcntl

11:45 a.m. - 10:36 p.m.SLP San Luis Potosi-YYZ Toronto Pearson Intl

8h 51m1 stop Houston George Bush Intcntl

C$ 831United Airlines

Fri, 2 Oct - Mon, 5 Oct

6:10 a.m. - 10:49 a.m.YYZ Toronto Pearson Intl-SLP San Luis Potosi

6h 39m1 stop Houston George Bush Intcntl

7:12 a.m. - 9:54 a.m.SLP San Luis Potosi-YYZ Toronto Pearson Intl

24h 42m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

C$ 836United Airlines

Fri, 2 Oct - Sun, 4 Oct

10:15 a.m. - 7:12 p.m.YYZ Toronto Pearson Intl-SLP San Luis Potosi

10h 57m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

11:45 a.m. - 9:54 a.m.SLP San Luis Potosi-YYZ Toronto Pearson Intl

20h 09m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

C$ 836United Airlines

Fri, 2 Oct - Sun, 4 Oct

6:10 a.m. - 7:12 p.m.YYZ Toronto Pearson Intl-SLP San Luis Potosi

15h 02m1 stop Houston George Bush Intcntl

11:45 a.m. - 2:24 p.m.SLP San Luis Potosi-YYZ Toronto Pearson Intl

24h 39m1 stop Houston George Bush Intcntl

C$ 836United Airlines

Fri, 2 Oct - Sun, 4 Oct

4:45 p.m. - 1:34 p.m.YYZ Toronto Pearson Intl-SLP San Luis Potosi

22h 49m3 stops Fort Lauderdale Atlanta Hartsfield-Jackson Houston George Bush Intcntl

6:00 a.m. - 6:20 a.m.SLP San Luis Potosi-YYZ Toronto Pearson Intl

22h 20m2 stops Monterrey Gen Mariano Escobedo Mexico City Benito Juarez

C$ 1,437Multiple Airlines

Fri, 2 Oct - Sun, 4 Oct

4:45 p.m. - 1:34 p.m.YYZ Toronto Pearson Intl-SLP San Luis Potosi

22h 49m3 stops Fort Lauderdale Atlanta Hartsfield-Jackson Houston George Bush Intcntl

9:32 a.m. - 6:20 a.m.SLP San Luis Potosi-YYZ Toronto Pearson Intl

18h 48m3 stops Puerto Vallarta Ordaz Guadalajara Miguel Hidal Mexico City Benito Juarez

C$ 1,796Multiple Airlines

Fri, 2 Oct - Sun, 4 Oct

7:00 a.m. - 5:27 p.m.YTZ Toronto Island-SLP San Luis Potosi

12h 27m2 stops Montreal Pierre Elliott Trudeau Intl Mexico City Benito Juarez

6:15 p.m. - 10:21 a.m.SLP San Luis Potosi-YTZ Toronto Island

14h 06m2 stops Mexico City Benito Juarez Montreal Pierre Elliott Trudeau Intl

C$ 1,926Multiple Airlines

Fri, 2 Oct - Sun, 4 Oct

12:30 p.m. - 8:59 a.m.YTZ Toronto Island-SLP San Luis Potosi

22h 29m2 stops Montreal Pierre Elliott Trudeau Intl Mexico City Benito Juarez

8:00 p.m. - 7:50 p.m.SLP San Luis Potosi-YTZ Toronto Island

21h 50m3 stops Tijuana Rodriguez Mexico City Benito Juarez Montreal Pierre Elliott Trudeau Intl

C$ 2,509Multiple Airlines

Fri, 2 Oct - Sun, 4 Oct

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United Airlines flights from Region of Ontario to San Luis Potosí

Our best United Airlines deals on Region of Ontario to San Luis Potosí flight tickets

United Airlines

2 Oct

YYZ10:15 a.m.Toronto Pearson Intl

10h 57m

2 stops

SLP7:12 p.m.San Luis Potosi

5 Oct

SLP7:12 a.m.San Luis Potosi

13h 24m

1 stop

YYZ10:36 p.m.Toronto Pearson Intl

C$ 831

United Airlines

16 Nov

YYZ9:10 p.m.Toronto Pearson Intl

24h 47m

2 stops

SLP8:57 p.m.San Luis Potosi

20 Nov

SLP12:49 p.m.San Luis Potosi

30h 19m

2 stops

YYZ8:08 p.m.Toronto Pearson Intl

C$ 836

United Airlines

15 Oct

YYZ6:10 a.m.Toronto Pearson Intl

6h 39m

1 stop

SLP10:49 a.m.San Luis Potosi

22 Oct

SLP11:45 a.m.San Luis Potosi

22h 04m

2 stops

YYZ11:49 a.m.Toronto Pearson Intl

C$ 848

momondo Fare Finder

Use the filters below to find and compare flights from Ontario to San Luis Potosí that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoSan Luis Potosí

YYZ Toronto Pearson Intl - SLP San Luis Potosi

YYZSLP

Toronto Pearson Intl

Mon 16/11

9:10 p.m.-8:57 p.m.

2 stops24h 47m

San Luis Potosi

Fri 20/11

12:49 p.m.-8:08 p.m.

2 stops30h 19m

C$ 836

TorontoSan Luis Potosí

YYZ Toronto Pearson Intl - SLP San Luis Potosi

YYZSLP

Toronto Pearson Intl

Thu 15/10

6:10 a.m.-10:49 a.m.

1 stop6h 39m

San Luis Potosi

Thu 22/10

11:45 a.m.-11:49 a.m.

2 stops22h 04m

C$ 848

TorontoSan Luis Potosí

YYZ Toronto Pearson Intl - SLP San Luis Potosi

YYZSLP

Toronto Pearson Intl

Thu 15/10

6:10 a.m.-10:49 a.m.

1 stop6h 39m

San Luis Potosi

Thu 22/10

11:45 a.m.-11:49 a.m.

2 stops22h 04m

C$ 851

TorontoSan Luis Potosí

YYZ Toronto Pearson Intl - SLP San Luis Potosi

YYZSLP

Toronto Pearson Intl

Thu 15/10

2:30 p.m.-10:49 a.m.

2 stops22h 19m

San Luis Potosi

Thu 22/10

11:45 a.m.-1:42 p.m.

2 stops23h 57m

C$ 890

Quickest round-trip

TorontoSan Luis Potosí

YYZ Toronto Pearson Intl - SLP San Luis Potosi

YYZSLP

Toronto Pearson Intl

Thu 15/10

6:10 a.m.-10:49 a.m.

1 stop6h 39m

San Luis Potosi

Thu 22/10

7:12 a.m.-4:15 p.m.

1 stop7h 03m

C$ 953

TorontoSan Luis Potosí

YYZ Toronto Pearson Intl - SLP San Luis Potosi

YYZSLP

Toronto Pearson Intl

Mon 21/12

7:55 a.m.-9:05 a.m.

2 stops26h 10m

San Luis Potosi

Mon 11/1

7:00 a.m.-5:05 p.m.

1 stop9h 05m

C$ 981

TorontoSan Luis Potosí

YYZ Toronto Pearson Intl - SLP San Luis Potosi

YYZSLP

Toronto Pearson Intl

Mon 21/12

7:55 a.m.-9:05 a.m.

2 stops26h 10m

San Luis Potosi

Mon 11/1

6:41 p.m.-3:50 p.m.

2 stops20h 09m

C$ 1,001

TorontoSan Luis Potosí

YYZ Toronto Pearson Intl - SLP San Luis Potosi

YYZSLP

Toronto Pearson Intl

Mon 21/12

2:35 p.m.-12:29 p.m.

1 stop22h 54m

San Luis Potosi

Mon 11/1

7:00 a.m.-5:05 p.m.

1 stop9h 05m

C$ 1,074

TorontoSan Luis Potosí

YYZ Toronto Pearson Intl - SLP San Luis Potosi

YYZSLP

Toronto Pearson Intl

Mon 21/12

6:00 a.m.-10:28 p.m.

3 stops17h 28m

San Luis Potosi

Mon 11/1

9:36 a.m.-11:50 p.m.

2 stops13h 14m

C$ 1,181

TorontoSan Luis Potosí

YTZ Toronto Island - SLP San Luis Potosi

YTZSLP

Toronto Island

Fri 16/10

8:20 a.m.-10:31 p.m.

3 stops16h 11m

San Luis Potosi

Sat 17/10

9:32 a.m.-5:20 p.m.

3 stops29h 48m

C$ 1,348

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Region of Ontario 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

Prices

Airlines

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

The month of June is, on average, the cheapest month to fly to San Luis Potosí from Region of Ontario, with most prices found around C$ 0. If you aren’t able to travel to San Luis Potosí during the month of June, then flying in February is also cheap. Prices for this month can be found on momondo for an average of C$ 787.

Can stopping save me money on Region of Ontario to San Luis Potosí flights?

You could potentially save up to 5% on your flight if you consider stops on a Region of Ontario to San Luis Potosí flight.

Cheap Region of Ontario to San Luis Potosí flight deals and tips

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

Best price found	C$ 531
Fastest flight time	6h 39m
Direct flights	None

The best one-way flight to San Luis Potosí from Region of Ontario in the past 72 hours is C$ 531. The best round-trip flight deal from Region of Ontario to San Luis Potosí found on momondo in the last 72 hours is C$ 836.

The fastest flight from Region of Ontario to San Luis Potosí takes 6h 39m

There are no direct flights from Region of Ontario to San Luis Potosí. There are no popular flight routes from Region of Ontario to San Luis Potosí.

Search flight deals

Frequently asked questions about flying from Ontario to San Luis Potosí

When did momondo last update prices for flights from Ontario to San Luis Potosi Airport?
Prices for flights from Ontario to San Luis Potosi Airport refresh daily.
How many operators does momondo search for flights from Ontario to San Luis Potosi Airport?
The number of operators available for flights from Ontario to San Luis Potosi Airport is 2 as of October 2026.
How old do you have to be to fly from Ontario 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 Ontario to San Luis Potosi Airport.
What documentation or ID do you need to fly to San Luis Potosi Airport?
The travel and health documents you'll need for your trip to San Luis Potosi Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Luis Potosi Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Region of Ontario to San Luis Potosí

Compare and see reviews for airlines that fly from Region of Ontario to San Luis Potosí with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom C$ 682	Free Cancellation	Rating 7.4 10,261 reviews		Search United Airlines flights
American Airlines	PriceFrom C$ 738	Free Cancellation	Rating 7.0 12,097 reviews		Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Ontario 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 Ontario.

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

All flight searches from Ontario to San Luis Potosí on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to San Luis Potosí.

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

Yes. momondo can track prices for Ontario to San Luis Potosí flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Ontario to San Luis Potosí from C$ 531

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to San Luis Potosí departing on 7/10. 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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United Airlines flights from Region of Ontario to San Luis Potosí

Our best United Airlines deals on Region of Ontario to San Luis Potosí flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Ontario to San Luis Potosí that are best for you.

See travel insights to San Luis Potosí from

How to get the cheapest flight ticket from Region of Ontario to San Luis Potosí

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

Can stopping save me money on Region of Ontario to San Luis Potosí flights?

What is the cheapest airline that flies from Ontario to San Luis Potosi?

Which airlines fly to San Luis Potosí?

Cheap Region of Ontario to San Luis Potosí flight deals and tips

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying from Ontario to San Luis Potosí

Best airlines flying from Region of Ontario to San Luis Potosí

Compare and see reviews for airlines that fly from Region of Ontario to San Luis Potosí with momondo

Why use momondo?

An easier way to manage your San Luis Potosí trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Mexico

Fly your favourite airline to San Luis Potosí

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