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$185+ Cheap flights from León, Mexico (BJX) to Ontario (ONT)

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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
BJX — ONT
May 17 — May 241
Sat 5/17
Sat 5/24
1 adult, Economy
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Cheap flight deals from León to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from León (BJX) to Ontario (ONT). 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 May 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$339
(Trip.com)

One-way from

$185
(Trip.com)

Popular in

December

Cheapest in

May

Average price

$313
Provider with most accurate pricing for León Del Bajio-Ontario flight deals.
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Provider most trusted by Cheapflights users for León Del Bajio-Ontario flights.
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From León Del Bajio to Ontario
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One-way flight from León Del Bajio to Ontario
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Highest demand for flights based on searches. 9% potential increase in price ($40 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find flight deals from León to Ontario

Cheapest flights from León to Ontario
Explore the most affordable flight options available from León to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 12, 2025.

This Trip.com deal was found by Cheapflights users on 5/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/188:43 amBJX - ONT
Nonstop3h 17mVolaris
Mon 9/227:59 pmONT - BJX
Nonstop3h 00mVolaris
Deal found 5/12$339
This Trip.com deal was found by Cheapflights users on 5/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/128:43 amBJX - ONT
Nonstop3h 17mMultiple Airlines
Mon 8/251:09 amONT - BJX
2 stops21h 06mMultiple Airlines
Deal found 5/11$504
This United Airlines deal was found by Cheapflights users on 5/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1811:45 amBJX - ONT
1 stop10h 40mUnited Airlines
Mon 9/226:04 amONT - BJX
1 stop12h 27mUnited Airlines
Deal found 5/12$525
This American Airlines deal was found by Cheapflights users on 5/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/23:50 pmBJX - ONT
1 stop7h 08mAmerican Airlines
Thu 6/122:40 pmONT - BJX
1 stop7h 51mAmerican Airlines
Deal found 5/11$598
This Frontier deal was found by Cheapflights users on 5/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/156:00 amBJX - ONT
2 stops18h 50mFrontier
Fri 6/206:00 amONT - BJX
2 stops17h 50mFrontier
Deal found 5/11$616
This Delta deal was found by Cheapflights users on 5/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/812:30 pmBJX - ONT
2 stops12h 16mDelta
Mon 6/166:00 amONT - BJX
2 stops9h 29mDelta
Deal found 5/12$1,836

Cheapflights Fare Finder

Customize your flight search to find flights from León 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 2,558,603 searches. Data last updated May 12, 2025.
Use the filters below to find and compare flights from León to Ontario that are best for you.

Fly from

León

Fly to

Ontario

Route

Depart

Return

Price

LeónOntario

BJX - ONT

BJXONT

León Del Bajio

Thu 9/18

8:43 am-11:00 am

Nonstop3h 17m

Ontario

Mon 9/22

7:59 pm-11:59 pm

Nonstop3h 00m

$339

LeónOntario

BJX - ONT

BJXONT

León Del Bajio

Wed 6/11

2:40 pm-12:14 pm

2 stops22h 34m

Ontario

Wed 6/18

5:10 am-7:31 pm

2 stops13h 21m

$415

LeónOntario

BJX - ONT

BJXONT

León Del Bajio

Wed 6/11

5:20 pm-7:14 pm

1 stop26h 54m

Ontario

Tue 6/17

1:09 am-1:25 pm

2 stops11h 16m

$417

LeónOntario

BJX - ONT

BJXONT

León Del Bajio

Mon 6/2

3:50 pm-9:58 pm

1 stop7h 08m

Ontario

Thu 6/12

2:40 pm-11:31 pm

1 stop7h 51m

$598

LeónOntario

BJX - ONT

BJXONT

León Del Bajio

Sun 6/15

6:00 am-11:50 pm

2 stops18h 50m

Ontario

Fri 6/20

6:00 am-12:50 am

2 stops17h 50m

$616

LeónOntario

BJX - ONT

BJXONT

León Del Bajio

Sun 6/8

12:30 pm-11:46 pm

2 stops12h 16m

Ontario

Mon 6/16

6:00 am-4:29 pm

2 stops9h 29m

$1,836

LeónOntario

BJX - ONT

BJXONT

León Del Bajio

Sat 8/9

8:43 am-11:00 am

Nonstop3h 17m

$185

LeónOntario

BJX - ONT

BJXONT

León Del Bajio

Fri 7/4

1:55 pm-11:13 pm

2 stops10h 18m

$240

LeónOntario

BJX - ONT

BJXONT

León Del Bajio

Wed 6/11

2:40 pm-9:10 pm

1 stop7h 30m

$345

LeónOntario

BJX - ONT

BJXONT

León Del Bajio

Fri 7/4

5:00 am-11:59 am

1 stop7h 59m

$353

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

Compare providers for flights from León to Ontario

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 León to Ontario in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 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 León, Guanajuato-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on León, Guanajuato-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from León, Guanajuato-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on León, Guanajuato-Ontario flights, Cheapflights users trust Expedia the most. Expedia 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 León, Guanajuato-Ontario 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 León to Ontario

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

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

Currently, August is the cheapest month in which you can book a flight from León, Guanajuato to Ontario (average of $246). Flying from León, Guanajuato to Ontario in March is currently the most expensive (average of $328). 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.

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 Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

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 Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

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 May 12, 2025.
To help decide which airline to fly from León to Ontario, see what other customers have to say about Delta, United Airlines and American Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,724 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Volaris
6.7
Okay
1,174 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Frontier
6.0
Okay
3,286 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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

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

    Cheapflights users have booked flights from León, Guanajuato to Ontario round-trip from $339. Other airlines that can offer you cheap pricing are United Airlines, from $415, and American Airlines, from $598.

  • What are the cheapest airlines to fly from León, Guanajuato to Ontario one-way?

    $185 is the cheapest one-way deal found within the past few days, from Volaris. You may also be able to find cheap deals on United Airlines and American Airlines, with prices starting from $345 and $353, respectively.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from León, Guanajuato to Ontario (average of $246). Flying from León, Guanajuato to Ontario in March is currently the most expensive (average of $328). 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.

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