Find flights
When to book
FAQs

Cheap flights from San Luis Potosí, Mexico to Ontario from C$ 441

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 17/12. Fares are subject to change and may not be available on all flights or dates of travel.
SLP — YYZ
15 Oct — 22 Oct1
1 adult
1 adult, Economy

Cheap flight deals from San Luis Potosí to Ontario

Keep the following information in mind while searching for San Luis Potosí to Ontario flight deals. Data was last updated 15 September 2025.

Round-trip from

C$ 714

One-way from

C$ 441

Popular in

October

Cheapest in

May

Average price

C$ 834
30/10-6/11
  • 30/10-6/11
  • 3 total stops
  • 48h 51m total
  • San Luis Potosí to Ontario
Search Deals
United Airlines
  • United Airlines
  • 17/12
  • 2 total stops
  • 31h 28m total
  • San Luis Potosí to Ontario
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 114 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from San Luis Potosí to Ontario

Cheapest flights from San Luis Potosí to Ontario
Explore the most affordable flight options available from San Luis Potosí to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.

Thu 30/104:27 p.m.SLP - YYZ
1 stop29h 28mMultiple Airlines
Thu 6/112:35 p.m.YYZ - SLP
2 stops19h 23mMultiple Airlines
Deal found 15/9C$ 714
Thu 30/1011:49 a.m.SLP - YYZ
2 stops24h 12mUnited Airlines
Thu 6/117:40 p.m.YYZ - SLP
2 stops26h 20mUnited Airlines
Deal found 15/9C$ 771
Wed 24/1212:49 p.m.SLP - YUL
2 stops31h 28mUnited Airlines
Wed 31/123:00 p.m.YUL - SLP
2 stops21h 49mUnited Airlines
Deal found 15/9C$ 775
Wed 24/121:33 p.m.SLP - YUL
2 stops24h 51mAmerican Airlines
Wed 31/124:00 p.m.YUL - SLP
1 stop7h 59mAmerican Airlines
Deal found 13/9C$ 786
Fri 19/121:33 p.m.SLP - YYZ
2 stops20h 23mAmerican Airlines
Mon 5/15:14 p.m.YYZ - SLP
1 stop6h 45mAmerican Airlines
Deal found 14/9C$ 811
Sat 22/1112:49 p.m.SLP - YYZ
2 stops26h 13mUnited Airlines
Fri 28/113:45 p.m.YYZ - SLP
1 stop21h 04mUnited Airlines
Deal found 15/9C$ 829
Sat 22/111:12 p.m.SLP - YYZ
1 stop16h 08mAeromexico
Fri 28/1110:01 a.m.YYZ - SLP
1 stop11h 09mAeromexico
Deal found 14/9C$ 840
Sat 22/111:31 p.m.SLP - YYZ
1 stop25h 47mAmerican Airlines
Fri 28/116:10 a.m.YYZ - SLP
1 stop7h 29mAmerican Airlines
Deal found 15/9C$ 854
Sat 22/115:12 p.m.SLP - YYZ
2 stops38h 15mWestJet
Fri 28/117:45 a.m.YYZ - SLP
2 stops26h 13mWestJet
Deal found 14/9C$ 905
Thu 18/911:51 a.m.SLP - YUL
2 stops25h 09mUnited Airlines
Thu 2/106:00 a.m.YUL - SLP
2 stops15h 12mUnited Airlines
Deal found 13/9C$ 1,006
Wed 24/129:15 a.m.SLP - YUL
1 stop13h 44mDelta
Wed 31/127:00 a.m.YUL - SLP
2 stops12h 35mDelta
Deal found 15/9C$ 1,020
Thu 18/912:01 p.m.SLP - YUL
1 stop24h 48mAmerican Airlines
Thu 2/103:44 p.m.YUL - SLP
1 stop21h 27mAmerican Airlines
Deal found 15/9C$ 1,079

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Luis Potosí to Ontario 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 629,999 searches. Data last updated 15 September 2025.
Use the filters below to find and compare flights from San Luis Potosí to Ontario that are best for you.

Fly from

San Luis Potosí

Fly to

Ontario

Route

Depart

Return

Price

San Luis PotosíToronto

SLP - YYZ

SLPYYZ

San Luis Potosi

Thu 30/10

4:27 p.m.-11:55 p.m.

1 stop29h 28m

Toronto Pearson Intl

Thu 6/11

2:35 p.m.-8:58 a.m.

2 stops19h 23m

C$ 714

San Luis PotosíToronto

SLP - YYZ

SLPYYZ

San Luis Potosi

Thu 30/10

11:49 a.m.-2:01 p.m.

2 stops24h 12m

Toronto Pearson Intl

Thu 6/11

7:40 p.m.-9:00 p.m.

2 stops26h 20m

C$ 771

San Luis PotosíToronto

SLP - YYZ

SLPYYZ

San Luis Potosi

Fri 19/12

12:49 p.m.-11:59 p.m.

2 stops10h 10m

Toronto Pearson Intl

Mon 5/1

7:40 p.m.-11:49 a.m.

2 stops17h 09m

C$ 771

San Luis PotosíMontreal

SLP - YUL

SLPYUL

San Luis Potosi

Wed 24/12

12:49 p.m.-9:17 p.m.

2 stops31h 28m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

3:00 p.m.-11:49 a.m.

2 stops21h 49m

C$ 775

San Luis PotosíMontreal

SLP - YUL

SLPYUL

San Luis Potosi

Wed 24/12

1:33 p.m.-3:24 p.m.

2 stops24h 51m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

4:00 p.m.-10:59 p.m.

1 stop7h 59m

C$ 786

San Luis PotosíToronto

SLP - YYZ

SLPYYZ

San Luis Potosi

Fri 19/12

1:33 p.m.-10:56 a.m.

2 stops20h 23m

Toronto Pearson Intl

Mon 5/1

5:14 p.m.-10:59 p.m.

1 stop6h 45m

C$ 811

San Luis PotosíToronto

SLP - YYZ

SLPYYZ

San Luis Potosi

Sat 22/11

12:49 p.m.-9:21 p.m.

2 stops31h 32m

Toronto Pearson Intl

Fri 28/11

6:10 a.m.-9:00 p.m.

1 stop15h 50m

C$ 829

San Luis PotosíToronto

SLP - YYZ

SLPYYZ

San Luis Potosi

Sat 22/11

1:12 p.m.-6:20 a.m.

1 stop16h 08m

Toronto Pearson Intl

Fri 28/11

10:01 a.m.-8:10 p.m.

1 stop11h 09m

C$ 840

San Luis PotosíToronto

SLP - YYZ

SLPYYZ

San Luis Potosi

Sat 22/11

5:12 p.m.-8:27 a.m.

2 stops38h 15m

Toronto Pearson Intl

Fri 28/11

7:45 a.m.-8:58 a.m.

2 stops26h 13m

C$ 905

San Luis PotosíMontreal

SLP - YUL

SLPYUL

San Luis Potosi

Wed 24/12

9:15 a.m.-11:59 p.m.

1 stop13h 44m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

7:00 a.m.-6:35 p.m.

2 stops12h 35m

C$ 1,020

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/9

Showing 1-10 of 16 results
1
2

Best time to book a flight from San Luis Potosí to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario 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 Ontario

What is the cheapest month to book a flight from San Luis Potosí to Region of Ontario?

Currently, January is the cheapest month in which you can book a flight from San Luis Potosí to Region of Ontario (average of C$ 169). Flying from San Luis Potosí to Region of Ontario in July is currently the most expensive (average of C$ 258). 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.

What is the cheapest time of day to fly from SLP to ON?

Find hourly flight availability from San Luis Potosí to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 September 2025.

When flying from San Luis Potosí to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from San Luis Potosí to Ontario. 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 Ontario?

    For a flight from San Luis Potosí to Ontario, you will be flying from San Luis Potosi. San Luis Potosi (SLP) is just 12.6 km from the centre of the city.

  • How long is the flight from San Luis Potosí to Region of Ontario?

    Airlines like United Airlines and American Airlines fly from San Luis Potosí to Region of Ontario in about 24h 12m. The time it takes to get you to your destination can typically vary by up to 39m. There are 3082 km between San Luis Potosí and Region of Ontario. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from San Luis Potosí to Region of Ontario?

    The most popular flight routes from San Luis Potosí to Region of Ontario are San Luis Potosi - Toronto Pearson Intl, San Luis Potosi - Montreal Pierre Elliott Trudeau Intl and San Luis Potosi - London.

  • Can I find deals for flights from San Luis Potosí to Ontario that include hotel bookings?

    Yes. In addition to deals on San Luis Potosí to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Luis Potosí to Ontario?

    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 Ontario.

  • Can I find deals for business class flights from San Luis Potosí to Ontario?

    Yes. Cheapflights offers flight deals from San Luis Potosí to Ontario 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 Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from San Luis Potosí to Region of Ontario (average of C$ 169). Flying from San Luis Potosí to Region of Ontario in July is currently the most expensive (average of C$ 258). 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.

Alternative routes for San Luis Potosí to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
San Luis Potosí to Pearson Intl flights
San Luis Potosí to Pierre Elliott Trudeau Intl flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Luis Potosí to Ontario?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from San Luis Potosí to Ontario. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from San Luis Potosí to Ontario?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ontario from San Luis Potosí.

Can Cheapflights find flights from San Luis Potosí to Ontario with no change fees?

Yes, we can. To see specific flights from San Luis Potosí to Ontario with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from San Luis Potosí to Ontario become cheaper?

Of course! You can now track prices for flights from San Luis Potosí to Ontario and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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.