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$198+ Cheap flights from Mexico City Federal District 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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
MEX — ONT
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Mexico City Federal District to Ontario

Keep the following information in mind while searching for Mexico City Federal District to Ontario flight deals. Data was last updated September 17, 2025.

Round-trip from

$300
(Frontier)

One-way from

$198
(CheapOair)

Popular in

December

Cheapest in

March

Average price

$315
From Mexico City Federal District to Ontario
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One-way flight from Mexico City Federal District to Ontario
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Highest demand for flights based on searches. 11% potential increase in price ($42 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 September 2025
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Find flight deals from Mexico City Federal District to Ontario

Cheapest flights from Mexico City Federal District to Ontario
Explore the most affordable flight options available from Mexico City Federal District to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Frontier deal was found by Cheapflights users on 9/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/411:45 amMEX - ONT
1 stop11h 11mFrontier
Sat 10/117:04 amONT - MEX
1 stop8h 56mFrontier
Deal found 9/17$300
This Frontier deal was found by Cheapflights users on 9/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/18:10 amMEX - ONT
1 stop12h 44mFrontier
Thu 10/1610:05 amONT - MEX
1 stop10h 05mFrontier
Deal found 9/17$318
This OneTravel 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/122:10 pmMEX - ONT
1 stop6h 34mVolaris
Sun 4/2612:50 pmONT - MEX
1 stop9h 55mVolaris
Deal found 9/16$325
This Frontier deal was found by Cheapflights users on 9/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/111:45 amMEX - ONT
1 stop11h 11mFrontier
Sun 10/1910:40 pmONT - MEX
2 stops17h 20mFrontier
Deal found 9/17$337
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1811:45 amMEX - ONT
1 stop9h 57mFrontier
Mon 10/2010:50 pmONT - MEX
2 stops17h 10mFrontier
Deal found 9/16$338
This Frontier deal was found by Cheapflights users on 9/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/411:45 amMEX - ONT
1 stop11h 11mFrontier
Fri 10/1010:50 pmONT - MEX
2 stops17h 10mFrontier
Deal found 9/17$342
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2511:45 amMEX - ONT
1 stop9h 57mFrontier
Thu 11/1311:59 amONT - MEX
1 stop8h 31mFrontier
Deal found 9/16$345
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/27:55 amMEX - ONT
2 stops14h 01mFrontier
Wed 10/88:00 amONT - MEX
1 stop12h 10mFrontier
Deal found 9/16$346
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/217:55 amMEX - ONT
2 stops16h 55mFrontier
Sat 10/258:00 amONT - MEX
1 stop12h 10mFrontier
Deal found 9/16$352

Cheapflights Fare Finder

 
Customize your flight search to find flights from Mexico City Federal District 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 September 17, 2025.
Use the filters below to find and compare flights from Mexico City Federal District to Ontario that are best for you.

Fly from

Mexico City Federal District

Fly to

Ontario

Route

Depart

Return

Price

Mexico CityOntario

MEX - ONT

MEXONT

Mexico City Benito Juarez

Thu 10/2

7:55 am-8:56 pm

2 stops14h 01m

Ontario

Wed 10/8

8:00 am-9:10 pm

1 stop12h 10m

$346

Mexico CityOntario

MEX - ONT

MEXONT

Mexico City Benito Juarez

Tue 10/21

7:55 am-11:50 pm

2 stops16h 55m

Ontario

Sat 10/25

8:00 am-9:10 pm

1 stop12h 10m

$352

Mexico CityOntario

MEX - ONT

MEXONT

Mexico City Benito Juarez

Sat 11/1

11:55 am-8:42 pm

1 stop9h 47m

Ontario

Sat 11/8

8:00 am-9:45 pm

2 stops11h 45m

$365

Mexico CityOntario

MEX - ONT

MEXONT

Mexico City Benito Juarez

Fri 12/5

7:00 am-5:55 pm

1 stop12h 55m

Ontario

Wed 12/10

6:30 am-9:10 pm

1 stop12h 40m

$369

Mexico CityOntario

MEX - ONT

MEXONT

Mexico City Benito Juarez

Wed 2/4

11:55 am-9:17 pm

1 stop11h 22m

Ontario

Wed 2/11

8:30 am-9:10 pm

1 stop10h 40m

$407

Mexico CityOntario

MEX - ONT

MEXONT

Mexico City Benito Juarez

Sat 10/18

11:45 am-8:42 pm

1 stop9h 57m

Ontario

Mon 10/20

10:50 pm-5:00 pm

2 stops17h 10m

$416

Mexico CityOntario

MEX - ONT

MEXONT

Mexico City Benito Juarez

Fri 10/10

11:45 am-10:05 pm

1 stop11h 20m

Ontario

Fri 10/24

12:32 pm-10:00 pm

1 stop8h 28m

$429

Mexico CityOntario

MEX - ONT

MEXONT

Mexico City Benito Juarez

Thu 10/30

11:55 am-9:55 pm

1 stop11h 00m

Ontario

Mon 11/24

8:15 am-10:30 pm

1 stop12h 15m

$431

Mexico CityOntario

MEX - ONT

MEXONT

Mexico City Benito Juarez

Fri 10/31

8:10 am-9:55 pm

2 stops14h 45m

Ontario

Fri 11/7

4:05 pm-10:45 am

2 stops16h 40m

$431

Mexico CityOntario

MEX - ONT

MEXONT

Mexico City Benito Juarez

Sun 11/16

7:00 am-2:45 pm

1 stop9h 45m

Ontario

Fri 11/21

8:15 am-10:30 pm

1 stop12h 15m

$431

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 22 results
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Best time to book a flight from Mexico City Federal District to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Mexico City Federal District 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 Mexico City Federal District to Ontario

What is the cheapest month to book a flight from Mexico City Federal District to Ontario?

Currently, August is the cheapest month in which you can book a flight from Mexico City Federal District to Ontario (average of $246). Flying from Mexico City Federal District to Ontario in March is currently the most expensive (average of $327). 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.

Related info for your journey

Find useful and relevant information for your journey from Mexico City Federal District 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 into for flights to Ontario from Mexico City Federal District?

    If you book a flight to Ontario from Mexico City Federal District, you will be flying to Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario.

  • How long is the flight from Mexico City Federal District to Ontario?

    There are many flights that can get you from Mexico City Federal District to Ontario in 14h 01m. Fly via Frontier to get the fastest option. The distance between Mexico City Federal District and Ontario is about 1520 mi.

  • Can I find deals for flights from Mexico City Federal District to Ontario that include hotel bookings?

    Yes. In addition to deals on Mexico City Federal District to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Mexico City Federal District to Ontario?

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

  • Can I find deals for business class flights from Mexico City Federal District to Ontario?

    Yes. Cheapflights offers flight deals from Mexico City Federal District 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 Mexico City Federal District to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Mexico City Federal District to Ontario (average of $246). Flying from Mexico City Federal District to Ontario in March is currently the most expensive (average of $327). 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

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Alternative routes for Mexico City Federal District to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Mexico City Federal District to Ontario

Discover the top airline that operate flights from Mexico City Federal District to Ontario. 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
VolarisCheapest$278Average$434FlexibilityNo cancel feeOn-time79%

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