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Guanajuato

$142+ 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 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
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Cheap 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 April 17, 2026.

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.
Sat 9/1912:40 pm
ONT
-
BJX
Nonstop3h 10m
Volaris
Sat 10/38:43 am
BJX
-
ONT
Nonstop3h 17m
Volaris
Deal found 4/14$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 American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2711:59 pm
ONT
-
BJX
1 stop15h 34m
American Airlines
Wed 6/36:19 am
BJX
-
ONT
1 stop17h 19m
American Airlines
Deal found 4/12$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 Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:40 pm
ONT
-
BJX
Nonstop3h 10m
Volaris
Wed 9/166:30 am
BJX
-
ONT
2 stops14h 16m
Volaris
Deal found 4/12$420

Find flight deals from Ontario to Guanajuato

Keep the following information in mind while searching for Ontario to Guanajuato flight deals. Data was 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
Provider with most accurate pricing for Los Angeles-León Del Bajio flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-León Del Bajio flights.
Search Deals
From Ontario to Guanajuato
Search Deals
One-way flight from Ontario to Guanajuato
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

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 April 17, 2026.
Use the filters below to find and compare flights from Ontario to Guanajuato that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

OntarioLeón

ONT - BJX

ONTBJX

Ontario

Sat 9/19

12:40 pm-4:50 pm

Nonstop3h 10m

León Del Bajio

Sat 10/3

8:43 am-11:00 am

Nonstop3h 17m

$294

OntarioLeón

ONT - BJX

ONTBJX

Ontario

Wed 5/27

5:45 am-1:43 pm

1 stop6h 58m

León Del Bajio

Wed 6/3

11:47 am-10:37 pm

2 stops11h 50m

$446

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-9:55 pm

1 stop17h 55m

$498

OntarioLeón

ONT - BJX

ONTBJX

Ontario

Sat 5/9

5:00 am-7:31 pm

2 stops13h 31m

León Del Bajio

Tue 5/12

2:50 pm-9:58 pm

1 stop8h 08m

$540

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

Thu 5/21

9:36 pm-7:46 pm

3 stops21h 10m

León Del Bajio

Wed 5/27

6:30 am-7:46 pm

2 stops14h 16m

$548

OntarioLeón

ONT - BJX

ONTBJX

Ontario

Tue 5/12

6:00 am-1:43 pm

1 stop6h 43m

León Del Bajio

Tue 5/19

5:00 am-8:36 pm

2 stops16h 36m

$555

OntarioLeón

ONT - BJX

ONTBJX

Ontario

Mon 5/18

6:59 pm-10:51 am

2 stops14h 52m

León Del Bajio

Sun 5/24

2:50 pm-9:55 pm

1 stop8h 05m

$650

OntarioLeón

ONT - BJX

ONTBJX

Ontario

Wed 10/14

6:02 am-1:43 pm

1 stop6h 41m

León Del Bajio

Wed 10/21

2:40 pm-9:21 pm

1 stop7h 41m

$658

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

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

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

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

The price you pay for your flight from Ontario to Guanajuato may vary depending on when you book. For the best chance of a lower fare, look to book 50 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 April 17, 2026.

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.

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

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 April 17, 2026.
See what other customers who have flown with United Airlines,American Airlines, andVolaris 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
9,603 reviews

Crew

8.1

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

Entertainment

7.1

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

Crew

8.1

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

Entertainment

7.1

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
11,595 reviews
United Airlines
7.4
Good
9,603 reviews

Crew

8.1

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

Entertainment

7.1

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

Crew

8.1

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

Entertainment

7.1

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 popular is this Ontario to Guanajuato flight route?

    This flight path from Ontario to Guanajuato was viewed by 5 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Ontario to Guanajuato?

    Airlines like Volaris and United Airlines fly from Ontario to Guanajuato in about 3h 10m. The time it takes to get you to your destination can typically vary by up to 3h 48m. Ontario and Guanajuato are separated by a distance of 1334 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest flights from Ontario to Guanajuato?

    While on average a flight from Ontario to Guanajuato is generally $247, our data shows the cheapest flight currently is $103. When looking at the most popular route, (Ontario - León Del Bajio), you can expect to pay $294 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.

See more FAQs

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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 April 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
VolarisCheapest$107Average$253FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$379Average$528FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$442Average$777FlexibilityNo cancel feeOn-time71%

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