Find flights
When to book
Airlines
FAQs

Cheap flights from San Luis Potosí, Mexico to Ontario from C$ 453

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 29/7. Fares are subject to change and may not be available on all flights or dates of travel.
SLP — YYZ
22 Apr — 29 Apr1
1 adult

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 17 April 2025.

Round-trip from

C$ 729

One-way from

C$ 453

Popular in

October

Cheapest in

May

Average price

C$ 950
American Airlines
  • American Airlines
  • 1/6-8/6
  • 2 total stops
  • 22h 01m total
  • San Luis Potosí to Ontario
Search Deals
United Airlines
  • United Airlines
  • 29/7
  • 2 total stops
  • 20h 04m total
  • San Luis Potosí to Ontario
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 221 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 April 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 17 April 2025.

Sun 1/65:30 a.m.SLP - YYZ
1 stop15h 17mAmerican Airlines
Sun 8/66:49 a.m.YYZ - SLP
1 stop6h 44mAmerican Airlines
Deal found 17/4C$ 729
Mon 8/97:03 p.m.SLP - YYZ
2 stops33h 09mAeromexico
Fri 12/911:01 a.m.YYZ - SLP
1 stop9h 20mAeromexico
Deal found 17/4C$ 757
Sun 13/77:12 a.m.SLP - YYZ
1 stop13h 24mUnited Airlines
Sat 19/76:10 a.m.YYZ - SLP
1 stop6h 54mUnited Airlines
Deal found 17/4C$ 768
Sun 6/77:12 a.m.SLP - YUL
2 stops25h 28mUnited Airlines
Sat 26/79:45 a.m.YUL - SLP
2 stops35h 27mUnited Airlines
Deal found 17/4C$ 772
Sun 13/77:36 p.m.SLP - YYZ
2 stops25h 18mWestJet
Fri 18/71:15 a.m.YYZ - SLP
1 stop12h 49mWestJet
Deal found 17/4C$ 1,685

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 17 April 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

Sun 1/6

5:30 a.m.-10:47 p.m.

1 stop15h 17m

Toronto Pearson Intl

Sun 8/6

6:49 a.m.-11:33 a.m.

1 stop6h 44m

C$ 729

San Luis PotosíToronto

SLP - YYZ

SLPYYZ

San Luis Potosi

Mon 8/9

7:03 p.m.-6:12 a.m.

2 stops33h 09m

Toronto Pearson Intl

Fri 12/9

11:01 a.m.-6:21 p.m.

1 stop9h 20m

C$ 757

San Luis PotosíToronto

SLP - YYZ

SLPYYZ

San Luis Potosi

Sun 13/7

7:12 a.m.-3:46 p.m.

2 stops30h 34m

Toronto Pearson Intl

Sat 19/7

5:15 p.m.-7:12 p.m.

2 stops27h 57m

C$ 768

San Luis PotosíMontreal

SLP - YUL

SLPYUL

San Luis Potosi

Sun 6/7

7:12 a.m.-10:40 a.m.

2 stops25h 28m

Montreal Pierre Elliott Trudeau Intl

Sat 26/7

9:45 a.m.-7:12 p.m.

2 stops35h 27m

C$ 772

San Luis PotosíToronto

SLP - YYZ

SLPYYZ

San Luis Potosi

Sun 13/7

7:36 p.m.-10:54 p.m.

2 stops25h 18m

Toronto Pearson Intl

Fri 18/7

1:15 a.m.-12:04 p.m.

1 stop12h 49m

C$ 1,685

San Luis PotosíToronto

SLP - YYZ

SLPYYZ

San Luis Potosi

Tue 29/7

12:00 p.m.-10:04 a.m.

2 stops20h 04m

C$ 453

San Luis PotosíToronto

SLP - YYZ

SLPYYZ

San Luis Potosi

Sun 27/4

4:24 p.m.-10:40 a.m.

2 stops40h 16m

C$ 498

San Luis PotosíToronto

SLP - YYZ

SLPYYZ

San Luis Potosi

Tue 29/7

12:50 p.m.-11:40 p.m.

1 stop8h 50m

C$ 509

San Luis PotosíToronto

SLP - YYZ

SLPYYZ

San Luis Potosi

Sun 27/4

5:30 a.m.-10:49 p.m.

1 stop15h 19m

C$ 563

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/4

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$ 167). 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 17 April 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.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated 17 April 2025.
Aeromexico
7.5
Good
1,699 reviews
Check prices

Food

6.6

Overall

7.5

Boarding

7.4

Entertainment

7.1

Comfort

7.6

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jan 2025

QRO - ATL

You are a cheap airline - and I don’t mean well priced I mean miserable. That 4 1/2 hour plus flight was way below acceptable NO Food NO in flight entertainment NOt even a place to charge my own electronic devises All in a cheap aircraft with thin seats and very limited reclining I am done with Aeromexico
Aeromexico
7.5
Good
1,699 reviews
Aeromexico
7.5
Good
1,699 reviews
Check prices

Food

6.6

Overall

7.5

Boarding

7.4

Entertainment

7.1

Comfort

7.6

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jan 2025

QRO - ATL

You are a cheap airline - and I don’t mean well priced I mean miserable. That 4 1/2 hour plus flight was way below acceptable NO Food NO in flight entertainment NOt even a place to charge my own electronic devises All in a cheap aircraft with thin seats and very limited reclining I am done with Aeromexico
United Airlines
7.4
Good
8,667 reviews
Aeromexico
7.5
Good
1,699 reviews
Check prices

Food

6.6

Overall

7.5

Boarding

7.4

Entertainment

7.1

Comfort

7.6

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jan 2025

QRO - ATL

You are a cheap airline - and I don’t mean well priced I mean miserable. That 4 1/2 hour plus flight was way below acceptable NO Food NO in flight entertainment NOt even a place to charge my own electronic devises All in a cheap aircraft with thin seats and very limited reclining I am done with Aeromexico
American Airlines
7.2
Good
10,000 reviews
Aeromexico
7.5
Good
1,699 reviews
Check prices

Food

6.6

Overall

7.5

Boarding

7.4

Entertainment

7.1

Comfort

7.6

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jan 2025

QRO - ATL

You are a cheap airline - and I don’t mean well priced I mean miserable. That 4 1/2 hour plus flight was way below acceptable NO Food NO in flight entertainment NOt even a place to charge my own electronic devises All in a cheap aircraft with thin seats and very limited reclining I am done with Aeromexico
WestJet
7.2
Good
2,809 reviews
Aeromexico
7.5
Good
1,699 reviews
Check prices

Food

6.6

Overall

7.5

Boarding

7.4

Entertainment

7.1

Comfort

7.6

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jan 2025

QRO - ATL

You are a cheap airline - and I don’t mean well priced I mean miserable. That 4 1/2 hour plus flight was way below acceptable NO Food NO in flight entertainment NOt even a place to charge my own electronic devises All in a cheap aircraft with thin seats and very limited reclining I am done with Aeromexico

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.

  • What are the cheapest airlines to fly from San Luis Potosí to Region of Ontario one-way?

    C$ 453 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Aeromexico and American Airlines, with prices starting from C$ 509 and C$ 563, respectively.

  • 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$ 167). 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.