HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
León

$142+ Cheap flights from Ontario (ONT) to León, Mexico (BJX)

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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BJX
May 17 — May 241
Sun 5/17
Sun 5/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to León with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Ontario to León

Cheapest flights from Ontario to León
Explore the most affordable flight options available from Ontario to León. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2026.

This CheapOair deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1912:40 pm
ONT
-
BJX
Nonstop3h 10m
Volaris
Sat 10/38:43 am
BJX
-
ONT
Nonstop3h 17m
Volaris
Deal found 4/16$294
This CheapOair deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2112:40 pm
ONT
-
BJX
Nonstop3h 10m
Volaris
Tue 8/48:43 am
BJX
-
ONT
Nonstop3h 17m
Volaris
Deal found 4/14$369
This Mytrip deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/39:36 pm
ONT
-
BJX
2 stops19h 38m
Volaris
Thu 7/28:43 am
BJX
-
ONT
Nonstop3h 17m
Volaris
Deal found 4/13$378
This CheapOair deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2512:40 pm
ONT
-
BJX
Nonstop3h 10m
Volaris
Tue 8/48:43 am
BJX
-
ONT
Nonstop3h 17m
Volaris
Deal found 4/17$382
This Mytrip deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/189:36 pm
ONT
-
BJX
2 stops19h 38m
Volaris
Thu 6/188:43 am
BJX
-
ONT
Nonstop3h 17m
Volaris
Deal found 4/16$391
This United Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/216:05 am
ONT
-
BJX
1 stop12h 26m
United Airlines
Thu 4/302:50 pm
BJX
-
ONT
1 stop8h 08m
United Airlines
Deal found 4/13$401
This CheapOair deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2312:40 pm
ONT
-
BJX
Nonstop3h 10m
Volaris
Sat 8/18:43 am
BJX
-
ONT
Nonstop3h 17m
Volaris
Deal found 4/12$405
This Mytrip deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/169:36 pm
ONT
-
BJX
2 stops19h 38m
Volaris
Thu 6/188:43 am
BJX
-
ONT
Nonstop3h 17m
Volaris
Deal found 4/16$410
This Mytrip deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2312:40 pm
ONT
-
BJX
Nonstop3h 07m
Volaris
Sat 5/28:43 am
BJX
-
ONT
Nonstop3h 17m
Volaris
Deal found 4/15$411
This CheapOair deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2812:40 pm
ONT
-
BJX
Nonstop3h 07m
Volaris
Thu 6/48:43 am
BJX
-
ONT
Nonstop3h 17m
Volaris
Deal found 4/17$413

Find flight deals from Ontario to León

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to León (BJX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$294
(CheapOair)

One-way from

$142
(CheapOair)

Popular in

June

Cheapest in

September

Average price

$321

Good round-trip deal

$301 or less

Good one-way deal

$129 or less
Provider with most accurate pricing for Ontario-León Del Bajio flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-León Del Bajio flights.
Search Deals
From Ontario to León Del Bajio
Search Deals
One-way flight from Ontario to León Del Bajio
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($64 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Ontario to León Del Bajio.
Search Deals
Price to beat on a one-way flight from Ontario to León Del Bajio.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to León 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 2,558,603 searches. Data last updated April 17, 2026.
Use the filters below to find and compare flights from Ontario to León that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioLeón

ONT - BJX

ONTBJX

Ontario

Thu 4/30

6:00 am-1:43 pm

1 stop6h 43m

León Del Bajio

Wed 5/6

5:00 am-8:36 pm

2 stops16h 36m

$455

OntarioLeón

ONT - BJX

ONTBJX

Ontario

Tue 7/21

5:45 am-1:43 pm

1 stop6h 58m

León Del Bajio

Tue 8/4

5:00 am-8:42 pm

2 stops16h 42m

$499

OntarioLeón

ONT - BJX

ONTBJX

Ontario

Fri 5/8

6:59 pm-10:51 am

2 stops14h 52m

León Del Bajio

Tue 5/12

2:50 pm-9:58 pm

1 stop8h 08m

$530

OntarioLeón

ONT - BJX

ONTBJX

Ontario

Tue 5/12

6:59 pm-10:51 am

2 stops14h 52m

León Del Bajio

Tue 5/19

11:35 am-9:58 pm

1 stop11h 23m

$531

OntarioLeón

ONT - BJX

ONTBJX

Ontario

Wed 5/6

5:00 am-7:31 pm

2 stops13h 31m

León Del Bajio

Wed 5/13

5:00 am-9:58 pm

1 stop17h 58m

$547

OntarioLeón

ONT - BJX

ONTBJX

Ontario

Sat 5/9

9:36 pm-6:14 pm

2 stops19h 38m

León Del Bajio

Sat 5/23

10:28 pm-11:05 pm

3 stops25h 37m

$552
Quickest round-trip

OntarioLeón

ONT - BJX

ONTBJX

Ontario

Thu 5/7

5:00 am-7:31 pm

2 stops13h 31m

León Del Bajio

Mon 5/11

2:50 pm-9:58 pm

1 stop8h 08m

$574

OntarioLeón

ONT - BJX

ONTBJX

Ontario

Sat 5/9

9:15 am-5:11 am

2 stops42h 56m

León Del Bajio

Sat 5/23

8:17 pm-8:04 am

2 stops36h 47m

$629

OntarioLeón

ONT - BJX

ONTBJX

Ontario

Fri 5/1

1:40 pm-10:51 am

2 stops20h 11m

León Del Bajio

Tue 5/5

2:50 pm-9:58 pm

1 stop8h 08m

$660
Cheapest one-way

OntarioLeón

ONT - BJX

ONTBJX

Ontario

Sun 5/24

12:55 am-6:14 pm

2 stops16h 19m

$186

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Compare providers for flights from Ontario to León

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to León in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
GotogatePrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-León, Guanajuato flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-León, Guanajuato flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-León, Guanajuato flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-León, Guanajuato flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-León, Guanajuato flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to León

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

How far ahead should I book a flight from Ontario to León, Guanajuato?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to León. Price data was last updated on April 10, 2026.

To ensure you get the cheapest price possible for a flight from Ontario to León, Guanajuato, you should look to book at least 50 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Ontario to León, Guanajuato?

Currently, September is the cheapest month in which you can book a flight from Ontario to León, Guanajuato (average of $189). Flying from Ontario to León, Guanajuato in June is currently the most expensive (average of $482). 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 ONT to BJX?

Find hourly flight availability from Ontario to León. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 2026.

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

How much does it cost to fly round-trip from Ontario to León, Guanajuato?

Reviews of airlines servicing León

Get insights into the airlines that provide service to León. 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 León. Reviews last updated April 17, 2026.
Get a feel of what it's like to fly with United Airlines,American Airlines, andVolaris from Ontario to León by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,603 reviews

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
9,603 reviews
United Airlines
7.4
Good
9,603 reviews

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.1
Good
11,596 reviews
United Airlines
7.4
Good
9,603 reviews

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Volaris
6.6
Okay
1,170 reviews
United Airlines
7.4
Good
9,603 reviews

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Ontario to León. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Ontario to León, Guanajuato flight route?

    Flights from Ontario to León Del Bajio have been viewed 5 times in the past calendar month.

  • How long is the flight from Ontario to León, Guanajuato?

    For as low as $455, United Airlines can have you in León, Guanajuato from Ontario in 6h 43m. The distance from Ontario to León, Guanajuato is about 1334 mi.

  • What are the cheapest airlines flying from Ontario to León, Guanajuato round-trip?

    Cheapflights users have booked flights from Ontario to León, Guanajuato round-trip from $107. Other airlines that can offer you cheap pricing are United Airlines, from $379, and American Airlines, from $442. Volaris is 64% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest flights from Ontario to León, Guanajuato?

    Looking at all options, your cheapest flight can be booked for $103. While the most popular route (Ontario - León Del Bajio) can be booked for $294 on average, our data indicates $247 when flying from Ontario to León, Guanajuato.

  • Can I find deals for flights from Ontario to León that include hotel bookings?

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

  • How can I find direct flights from Ontario to León?

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

  • Can I find deals for business class flights from Ontario to León?

    Yes. Cheapflights offers flight deals from Ontario to León 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 Ontario to León, Guanajuato?

    Currently, September is the cheapest month in which you can book a flight from Ontario to León, Guanajuato (average of $189). Flying from Ontario to León, Guanajuato in June is currently the most expensive (average of $482). 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.

Top 3 airlines flying from Ontario to León

Discover the top 3 airlines that operate flights from Ontario to León. 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 2,558,603 searches. Data last updated April 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
VolarisCheapest$107Average$298FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$379Average$528FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$442Average$777FlexibilityNo cancel feeOn-time71%

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.