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$189+ 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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
MEX — ONT
Dec 5 — Dec 121
Fri 12/5
Fri 12/12
1 adult, Economy
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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 November 5, 2025.

This Frontier deal was found by Cheapflights users on 11/3. 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 12/77:00 amMEX - ONT
1 stop10h 22mFrontier
Mon 1/126:30 amONT - MEX
2 stops13h 15mFrontier
Deal found 11/3$278
This Frontier deal was found by Cheapflights users on 11/3. 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 12/77:00 amMEX - ONT
1 stop10h 22mFrontier
Thu 1/86:30 amONT - MEX
2 stops13h 15mFrontier
Deal found 11/3$281
This Frontier deal was found by Cheapflights users on 11/3. 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 12/47:00 amMEX - ONT
1 stop13h 35mFrontier
Sun 12/76:15 amONT - MEX
2 stops13h 30mFrontier
Deal found 11/3$292
This Frontier deal was found by Cheapflights users on 11/3. 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 12/77:00 amMEX - ONT
1 stop10h 22mFrontier
Sun 1/116:30 amONT - MEX
2 stops13h 15mFrontier
Deal found 11/3$296
This Frontier deal was found by Cheapflights users on 11/5. 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.
Mon 12/111:55 amMEX - ONT
1 stop11h 11mFrontier
Thu 12/46:15 amONT - MEX
2 stops13h 30mFrontier
Deal found 11/5$300
This Frontier deal was found by Cheapflights users on 11/3. 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 12/911:55 amMEX - ONT
1 stop11h 22mFrontier
Thu 1/86:30 amONT - MEX
2 stops13h 15mFrontier
Deal found 11/3$302
This Frontier deal was found by Cheapflights users on 11/3. 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 12/1011:55 amMEX - ONT
1 stop11h 22mFrontier
Thu 1/86:30 amONT - MEX
2 stops13h 15mFrontier
Deal found 11/3$309
This Frontier deal was found by Cheapflights users on 11/4. 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 11/198:10 amMEX - ONT
2 stops14h 32mFrontier
Fri 12/56:15 amONT - MEX
2 stops13h 30mFrontier
Deal found 11/4$316
This Frontier deal was found by Cheapflights users on 11/3. 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 12/311:55 amMEX - ONT
1 stop11h 22mFrontier
Fri 12/56:15 amONT - MEX
2 stops13h 30mFrontier
Deal found 11/3$321
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Wed 12/311:55 amMEX - ONT
1 stop11h 22mMultiple Airlines
Sun 12/72:59 pmONT - MEX
1 stop29h 01mMultiple Airlines
Deal found 11/3$325

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 November 5, 2025.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$278
(Frontier)

One-way from

$189
(Trip.com)

Popular in

December

Cheapest in

March

Average price

$355
Provider with most accurate pricing for Mexico City Benito Juarez-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Mexico City Benito Juarez-Los Angeles flights.
Search Deals
From Mexico City Federal District to Ontario
Search Deals
One-way flight from Mexico City Federal District to Ontario
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($42 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 November 5, 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 1/29

8:10 am-9:17 pm

2 stops15h 07m

Ontario

Wed 2/4

8:30 am-9:10 pm

1 stop10h 40m

$300

Mexico CityOntario

MEX - ONT

MEXONT

Mexico City Benito Juarez

Thu 11/20

8:10 am-9:06 pm

2 stops14h 56m

Ontario

Wed 11/26

6:30 am-9:10 pm

1 stop12h 40m

$369

Mexico CityOntario

MEX - ONT

MEXONT

Mexico City Benito Juarez

Wed 2/4

7:00 am-9:17 pm

2 stops16h 17m

Ontario

Wed 2/18

7:00 am-9:45 pm

2 stops12h 45m

$372

Mexico CityOntario

MEX - ONT

MEXONT

Mexico City Benito Juarez

Wed 11/19

8:10 am-8:42 pm

2 stops14h 32m

Ontario

Wed 11/26

6:30 am-9:10 pm

1 stop12h 40m

$373

Mexico CityOntario

MEX - ONT

MEXONT

Mexico City Benito Juarez

Mon 11/24

11:55 am-9:06 pm

1 stop11h 11m

Ontario

Wed 11/26

12:58 am-9:45 pm

2 stops18h 47m

$383

Mexico CityOntario

MEX - ONT

MEXONT

Mexico City Benito Juarez

Sat 11/22

11:55 am-9:06 pm

1 stop11h 11m

Ontario

Wed 11/26

12:58 am-9:45 pm

2 stops18h 47m

$383

Mexico CityOntario

MEX - ONT

MEXONT

Mexico City Benito Juarez

Sat 2/28

7:00 am-9:17 pm

2 stops16h 17m

Ontario

Sat 3/14

6:00 am-5:05 pm

1 stop10h 05m

$384

Mexico CityOntario

MEX - ONT

MEXONT

Mexico City Benito Juarez

Sat 11/22

8:10 am-6:13 pm

1 stop12h 03m

Ontario

Sun 12/7

6:15 am-9:45 pm

2 stops13h 30m

$392

Mexico CityOntario

MEX - ONT

MEXONT

Mexico City Benito Juarez

Thu 11/20

8:10 am-9:06 pm

2 stops14h 56m

Ontario

Sun 11/23

9:54 am-10:30 pm

1 stop10h 36m

$393

Mexico CityOntario

MEX - ONT

MEXONT

Mexico City Benito Juarez

Fri 11/21

2:10 pm-6:44 pm

1 stop6h 34m

Ontario

Tue 11/25

12:42 am-2:25 pm

1 stop11h 43m

$415

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 24 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 $134). Flying from Mexico City Federal District to Ontario in June is currently the most expensive (average of $231). 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 15h 07m. Fly via Frontier to get the fastest option. The distance between Mexico City Federal District and Ontario is about 1520 mi.

  • What are the cheapest airlines to fly from Mexico City Federal District to Ontario one-way?

    The cheapest airlines for a one-way flight from Mexico City Federal District to Ontario are Volaris ($245), Frontier ($287), and United Airlines ($320).

  • 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 $134). Flying from Mexico City Federal District to Ontario in June is currently the most expensive (average of $231). 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 November 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
VolarisCheapest$278Average$341FlexibilityNo cancel feeOn-time79%

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