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Cheap flights from Ontario to San Luis Potosí, Mexico from C$ 796

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 23/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SLP
5 Aug — 12 Aug1
1 adult

Cheap flight deals from Ontario to San Luis Potosí

Keep the following information in mind while searching for Ontario to San Luis Potosí flight deals. Data was last updated 31 July 2025.

Round-trip from

C$ 796

Popular in

December

Cheapest in

February

Average price

C$ 1,156
American Airlines
  • American Airlines
  • 23/10-4/11
  • 2 total stops
  • 14h 38m total
  • Ontario to San Luis Potosí
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (C$ 419 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease (C$ 142 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Ontario to San Luis Potosí

Cheapest flights from Ontario to San Luis Potosí
Explore the most affordable flight options available from Ontario to San Luis Potosí. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 July 2025.

Thu 23/106:49 a.m.YYZ - SLP
1 stop6h 20mAmerican Airlines
Tue 4/111:31 p.m.SLP - YYZ
1 stop8h 18mAmerican Airlines
Deal found 31/7C$ 796
Fri 24/1010:05 a.m.YYZ - SLP
2 stops27h 03mUnited Airlines
Tue 4/116:00 a.m.SLP - YYZ
1 stop9h 05mUnited Airlines
Deal found 30/7C$ 882
Thu 18/1211:10 a.m.YYZ - SLP
2 stops14h 12mDelta
Mon 5/16:14 a.m.SLP - YYZ
2 stops15h 41mDelta
Deal found 31/7C$ 1,229

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario 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, Cheapflights users made 629,999 searches. Data last updated 31 July 2025.
Use the filters below to find and compare flights from Ontario to San Luis Potosí that are best for you.

Fly from

Ontario

Fly to

San Luis Potosí

Route

Depart

Return

Price

TorontoSan Luis Potosí

YYZ - SLP

YYZSLP

Toronto Pearson Intl

Thu 23/10

6:49 a.m.-11:09 a.m.

1 stop6h 20m

San Luis Potosi

Tue 4/11

1:31 p.m.-10:49 p.m.

1 stop8h 18m

C$ 796

TorontoSan Luis Potosí

YYZ - SLP

YYZSLP

Toronto Pearson Intl

Fri 24/10

10:05 a.m.-11:08 a.m.

2 stops27h 03m

San Luis Potosi

Tue 4/11

6:00 a.m.-4:05 p.m.

1 stop9h 05m

C$ 882

TorontoSan Luis Potosí

YYZ - SLP

YYZSLP

Toronto Pearson Intl

Thu 18/12

11:10 a.m.-12:22 a.m.

2 stops14h 12m

San Luis Potosi

Mon 5/1

6:14 a.m.-10:55 p.m.

2 stops15h 41m

C$ 1,229

Flights are sorted by cheapest round-trip flights first.

Deals found on 31/7

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

Have a flexible travel schedule? Discover the best time to fly to San Luis Potosí from Ontario 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 Ontario to San Luis Potosí

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

Find hourly flight availability from Ontario to San Luis Potosí. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 31 July 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to San Luis Potosí as you normally would.

Reviews of airlines servicing San Luis Potosí

Get insights into the airlines that provide service to San Luis Potosí. 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 San Luis Potosí. Reviews last updated 31 July 2025.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican Airlines from Ontario to San Luis Potosí. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,981 reviews
Check prices

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
4.0
Okay

Peter,Oct 2023

MAD - JFK

The delta and planes are getting old. Tv screen would blink off and on every time the person in front of me moved Storage area torn and drooping. Time for and update Delta
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews
Check prices

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
4.0
Okay

Peter,Oct 2023

MAD - JFK

The delta and planes are getting old. Tv screen would blink off and on every time the person in front of me moved Storage area torn and drooping. Time for and update Delta
United Airlines
7.4
Good
8,900 reviews
Delta
8.0
Very good
7,981 reviews
Check prices

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
4.0
Okay

Peter,Oct 2023

MAD - JFK

The delta and planes are getting old. Tv screen would blink off and on every time the person in front of me moved Storage area torn and drooping. Time for and update Delta
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,981 reviews
Check prices

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
4.0
Okay

Peter,Oct 2023

MAD - JFK

The delta and planes are getting old. Tv screen would blink off and on every time the person in front of me moved Storage area torn and drooping. Time for and update Delta

Related info for your journey

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

    San Luis Potosi (SLP) is the airport you will fly into if you book a flight from Ontario to San Luis Potosí. It is only a 12.6 km journey from San Luis Potosi (SLP) to San Luis Potosí’s city centre.

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

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

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to San Luis Potosí.

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

    Yes. Cheapflights offers flight deals from Ontario to San Luis Potosí by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ontario to San Luis Potosí

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

Top 3 airlines flying from Ontario to San Luis Potosí

Discover the top 3 airlines that operate flights from Ontario to San Luis Potosí. 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 629,999 searches. Data last updated 31 July 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 667AverageC$ 795FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 705AverageC$ 823FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
AeromexicoCheapestC$ 736AverageC$ 837FlexibilityNo cancel feeOn-timeN/A
Search Aeromexico 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 Ontario to San Luis Potosí?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ontario to San Luis Potosí. 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 Ontario to San Luis Potosí?

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 San Luis Potosí from Ontario.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ontario to San Luis Potosí, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights offers price alerts on Ontario to San Luis Potosí flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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