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Guanajuato

$63+ Cheap flights from Ontario (ONT) to Guanajuato, Mexico, Mexico

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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BJX
oct. 16 — oct. 231
jue. 10/16
jue. 10/23
1 adult, Economy
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Cheap flight deals from Ontario to Guanajuato

Keep the following information in mind while searching for Ontario to Guanajuato flight deals. Data was last updated septiembre 16, 2025.

Round-trip from

$192
(CheapOair)

One-way from

$63
(Booking.com)

Popular in

May

Cheapest in

September

Average price

$190
From Ontario to Guanajuato
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One-way flight from Ontario to Guanajuato
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Highest demand for flights based on searches. 21% potential increase in price ($122 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Ontario to Guanajuato

Cheapest flights from Ontario to Guanajuato
Explore the most affordable flight options available from Ontario to Guanajuato. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 16, 2025.

This CheapOair deal was found by Cheapflights users on 9/14. 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.
vie. 10/311:59 pmONT - BJX
Nonstop3h 01mVolaris
sáb. 10/118:43 amBJX - ONT
Nonstop3h 17mVolaris
Deal found 9/14$192
This CheapOair deal was found by Cheapflights users on 9/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/3111:59 pmONT - BJX
Nonstop3h 01mVolaris
jue. 11/69:28 amBJX - ONT
Nonstop3h 32mVolaris
Deal found 9/15$302
This CheapOair deal was found by Cheapflights users on 9/14. 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.
lun. 9/2211:59 pmONT - BJX
Nonstop3h 01mVolaris
mar. 11/49:28 amBJX - ONT
Nonstop3h 32mVolaris
Deal found 9/14$304
This CheapOair deal was found by Cheapflights users on 9/16. 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.
vie. 10/3111:59 pmONT - BJX
Nonstop3h 01mVolaris
sáb. 11/89:28 amBJX - ONT
Nonstop3h 32mVolaris
Deal found 9/16$385
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/27:30 pmONT - BJX
2 stops31h 39mMultiple Airlines
sáb. 10/118:43 amBJX - ONT
Nonstop3h 17mMultiple Airlines
Deal found 9/14$390
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/156:36 pmONT - BJX
2 stops15h 13mUnited Airlines
mié. 10/2211:45 amBJX - ONT
1 stop10h 39mUnited Airlines
Deal found 9/14$397

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Guanajuato 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 septiembre 16, 2025.
Use the filters below to find and compare flights from Ontario to Guanajuato that are best for you.

Fly from

Ontario

Fly to

Guanajuato

Route

Depart

Return

Price

OntarioLeón

ONT - BJX

ONTBJX

Ontario

mié. 10/15

6:36 pm-10:49 am

2 stops15h 13m

León Del Bajio

mié. 10/22

11:45 am-9:24 pm

1 stop10h 39m

$397

OntarioLeón

ONT - BJX

ONTBJX

Ontario

vie. 10/31

1:46 pm-4:25 pm

2 stops49h 39m

León Del Bajio

jue. 11/6

9:28 am-11:00 am

Nonstop3h 32m

$412

OntarioLeón

ONT - BJX

ONTBJX

Ontario

dom. 10/12

6:00 am-7:31 pm

1 stop12h 31m

León Del Bajio

mié. 10/15

11:45 am-9:24 pm

1 stop10h 39m

$412

OntarioLeón

ONT - BJX

ONTBJX

Ontario

sáb. 10/11

6:00 am-7:31 pm

1 stop12h 31m

León Del Bajio

sáb. 10/25

5:00 am-5:40 pm

2 stops13h 40m

$437

OntarioLeón

ONT - BJX

ONTBJX

Ontario

jue. 10/30

1:46 pm-9:15 pm

1 stop30h 29m

León Del Bajio

jue. 11/6

9:28 am-11:00 am

Nonstop3h 32m

$446

OntarioLeón

ONT - BJX

ONTBJX

Ontario

mar. 11/11

8:00 am-11:15 pm

3 stops13h 15m

León Del Bajio

jue. 11/20

9:28 am-11:00 am

Nonstop3h 32m

$455

OntarioLeón

ONT - BJX

ONTBJX

Ontario

mié. 10/1

12:40 pm-4:41 pm

Nonstop3h 01m

León Del Bajio

lun. 10/6

7:45 pm-11:50 pm

2 stops29h 05m

$455

OntarioLeón

ONT - BJX

ONTBJX

Ontario

mar. 10/14

6:00 am-1:43 pm

1 stop6h 43m

León Del Bajio

mar. 10/21

11:45 am-9:24 pm

1 stop10h 39m

$502

OntarioLeón

ONT - BJX

ONTBJX

Ontario

mié. 10/1

1:53 pm-10:49 am

2 stops19h 56m

León Del Bajio

lun. 10/6

5:00 am-10:52 pm

2 stops18h 52m

$507

OntarioLeón

ONT - BJX

ONTBJX

Ontario

vie. 10/17

11:59 pm-4:00 am

Nonstop3h 01m

$63

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 19 results
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Best time to book a flight from Ontario to Guanajuato

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

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

Currently, January is the cheapest month in which you can book a flight from Ontario to Guanajuato (average of $355). Flying from Ontario to Guanajuato in December is currently the most expensive (average of $729). 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 GJ9?

Find hourly flight availability from Ontario to Guanajuato. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 16, 2025.

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

Reviews of airlines servicing Guanajuato

Get insights into the airlines that provide service to Guanajuato. 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 Guanajuato. Reviews last updated septiembre 16, 2025.
See what other customers who have flown with United Airlines, American Airlines, and Volaris from Ontario to Guanajuato have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,924 reviews

Comfort

7.3

Food

6.6

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

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
8,924 reviews
United Airlines
7.4
Good
8,924 reviews

Comfort

7.3

Food

6.6

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

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
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,924 reviews

Comfort

7.3

Food

6.6

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

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
1,154 reviews
United Airlines
7.4
Good
8,924 reviews

Comfort

7.3

Food

6.6

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

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 Guanajuato. 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 Ontario to Guanajuato?

    For a flight from Ontario to Guanajuato, you will be flying from Ontario. Ontario (ONT) is just 3.1 mi from the center of the city. Ontario is the only Ontario airport and it handles 0 outbound flights to Guanajuato per day. 3 airlines have flights to Guanajuato from Ontario on a regular basis.

  • How long is the flight from Ontario to Guanajuato?

    Airlines like United Airlines fly from Ontario to Guanajuato in about 15h 13m. The time it takes to get you to your destination can typically vary by up to . Ontario and Guanajuato are separated by a distance of 1334 mi.

  • What are the cheapest flights from Ontario to Guanajuato?

    While on average a flight from Ontario to Guanajuato is generally $123, our data shows the cheapest flight currently is $58. When looking at the most popular route, (Ontario - León Del Bajio), you can expect to pay $184 for that flight.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Ontario to Guanajuato (average of $355). Flying from Ontario to Guanajuato in December is currently the most expensive (average of $729). 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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Alternative routes for Ontario to Guanajuato

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Ontario to Guanajuato

Discover the top 3 airlines that operate flights from Ontario to Guanajuato. 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 septiembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
VolarisCheapest$138Average$250FlexibilityNo cancel feeOn-time79%
American AirlinesCheapest$376Average$513FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$388Average$535FlexibilityNo cancel feeOn-time69%

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