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

United Airlines and Aeromexico are the most popular carriers 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 51% 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 May 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$ 324 Cheap Flights from Ontario to San Luis Potosí in 2026

1 adult

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Find the cheapest flights from Ontario to San Luis Potosí

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:43 p.m. - 10:49 a.m.

YYZ

SLP

17h 06m

2 stops

11:45 a.m. - 9:19 a.m.

SLP

YYZ

19h 34m

2 stops

C$ 669United Airlines

Sat, 6 Jun - Tue, 9 Jun

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

YYZ

SLP

6h 39m

1 stop

11:45 a.m. - 9:54 a.m.

SLP

YYZ

20h 09m

2 stops

C$ 670United Airlines

Mon, 28 Sep - Fri, 2 Oct

7:30 a.m. - 7:12 p.m.

YYZ

SLP

13h 42m

2 stops

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

SLP

YYZ

22h 04m

2 stops

C$ 727United Airlines

Wed, 19 Aug - Fri, 21 Aug

8:25 p.m. - 10:49 a.m.

YYZ

SLP

16h 24m

1 stop

11:45 a.m. - 10:44 p.m.

SLP

YYZ

8h 59m

1 stop

C$ 768United Airlines

Sat, 6 Jun - Tue, 9 Jun

6:10 a.m. - 7:12 p.m.

YYZ

SLP

15h 02m

1 stop

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

SLP

YYZ

7h 03m

1 stop

C$ 771United Airlines

Mon, 28 Sep - Fri, 2 Oct

11:01 a.m. - 8:28 p.m.

YYZ

SLP

11h 27m

1 stop

9:36 a.m. - 6:20 a.m.

SLP

YYZ

18h 44m

1 stop

C$ 785Aeromexico

Wed, 19 Aug - Fri, 21 Aug

3:53 p.m. - 10:49 a.m.

YYZ

SLP

20h 56m

1 stop

11:45 a.m. - 9:54 a.m.

SLP

YYZ

20h 09m

2 stops

C$ 792United Airlines

Wed, 19 Aug - Fri, 21 Aug

8:50 a.m. - 7:12 p.m.

YYZ

SLP

12h 22m

2 stops

7:12 a.m. - 10:23 p.m.

SLP

YYZ

13h 11m

2 stops

C$ 794United Airlines

Mon, 28 Sep - Fri, 2 Oct

7:20 a.m. - 7:12 p.m.

YYZ

SLP

13h 52m

2 stops

7:12 a.m. - 11:59 p.m.

SLP

YYZ

14h 47m

2 stops

C$ 904United Airlines

Sat, 6 Jun - Tue, 9 Jun

9:00 a.m. - 10:44 p.m.

YYZ

SLP

15h 44m

3 stops

8:00 p.m. - 8:55 p.m.

SLP

YYZ

22h 55m

2 stops

C$ 1,082Multiple Airlines

Wed, 19 Aug - Fri, 21 Aug

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

6 Jun

YYZ7:43 p.m.Toronto Pearson Intl

17h 06m

2 stops

SLP10:49 a.m.San Luis Potosi

9 Jun

SLP11:45 a.m.San Luis Potosi

8h 59m

1 stop

YYZ10:44 p.m.Toronto Pearson Intl

C$ 669

United Airlines

28 Sep

YYZ6:10 a.m.Toronto Pearson Intl

6h 39m

1 stop

SLP10:49 a.m.San Luis Potosi

2 Oct

SLP11:45 a.m.San Luis Potosi

20h 09m

2 stops

YYZ9:54 a.m.Toronto Pearson Intl

C$ 670

United Airlines

19 Aug

YYZ7:30 a.m.Toronto Pearson Intl

13h 42m

2 stops

SLP7:12 p.m.San Luis Potosi

21 Aug

SLP11:45 a.m.San Luis Potosi

22h 04m

2 stops

YYZ11:49 a.m.Toronto Pearson Intl

C$ 727

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 - SLP

YYZSLP

Toronto Pearson Intl

Sat 6/6

7:43 p.m.-10:49 a.m.

2 stops17h 06m

San Luis Potosi

Tue 9/6

11:45 a.m.-9:19 a.m.

2 stops19h 34m

C$ 669

TorontoSan Luis Potosí

YYZ - SLP

YYZSLP

Toronto Pearson Intl

Mon 28/9

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

1 stop6h 39m

San Luis Potosi

Fri 2/10

11:45 a.m.-9:54 a.m.

2 stops20h 09m

C$ 670

TorontoSan Luis Potosí

YYZ - SLP

YYZSLP

Toronto Pearson Intl

Wed 19/8

7:30 a.m.-7:12 p.m.

2 stops13h 42m

San Luis Potosi

Fri 21/8

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

2 stops22h 04m

C$ 727

TorontoSan Luis Potosí

YYZ - SLP

YYZSLP

Toronto Pearson Intl

Sat 6/6

8:25 p.m.-10:49 a.m.

1 stop16h 24m

San Luis Potosi

Tue 9/6

11:45 a.m.-10:44 p.m.

1 stop8h 59m

C$ 768

Quickest round-trip

TorontoSan Luis Potosí

YYZ - SLP

YYZSLP

Toronto Pearson Intl

Mon 28/9

6:10 a.m.-7:12 p.m.

1 stop15h 02m

San Luis Potosi

Fri 2/10

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

1 stop7h 03m

C$ 771

TorontoSan Luis Potosí

YYZ - SLP

YYZSLP

Toronto Pearson Intl

Wed 19/8

11:01 a.m.-8:28 p.m.

1 stop11h 27m

San Luis Potosi

Fri 21/8

9:36 a.m.-6:20 a.m.

1 stop18h 44m

C$ 785

TorontoSan Luis Potosí

YYZ - SLP

YYZSLP

Toronto Pearson Intl

Wed 19/8

3:53 p.m.-10:49 a.m.

1 stop20h 56m

San Luis Potosi

Fri 21/8

11:45 a.m.-9:54 a.m.

2 stops20h 09m

C$ 792

TorontoSan Luis Potosí

YYZ - SLP

YYZSLP

Toronto Pearson Intl

Mon 28/9

8:50 a.m.-7:12 p.m.

2 stops12h 22m

San Luis Potosi

Fri 2/10

7:12 a.m.-10:23 p.m.

2 stops13h 11m

C$ 794

TorontoSan Luis Potosí

YYZ - SLP

YYZSLP

Toronto Pearson Intl

Sat 6/6

7:20 a.m.-7:12 p.m.

2 stops13h 52m

San Luis Potosi

Tue 9/6

7:12 a.m.-11:59 p.m.

2 stops14h 47m

C$ 904

TorontoSan Luis Potosí

YYZ - SLP

YYZSLP

Toronto Pearson Intl

Wed 19/8

9:00 a.m.-10:44 p.m.

3 stops15h 44m

San Luis Potosi

Fri 21/8

8:00 p.m.-8:55 p.m.

2 stops22h 55m

C$ 1,082

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 October 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 October, then flying in April is also cheap. Prices for this month can be found on momondo for an average of C$ 603.

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

You could potentially save up to 69% 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

Fastest flight time	17h 06m
Direct flights	None

The fastest flight from Region of Ontario to San Luis Potosí takes 17h 06m

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 May 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$ 669	Free Cancellation	Rating 7.4 9,702 reviews		Search United Airlines flights
American Airlines	PriceFrom C$ 711	Free Cancellation	Rating 7.1 11,665 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$ 324

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 27/6. 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

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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

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

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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