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Cheap flights from Mexico City (MEX) to Ontario (ONT) from $187

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 9/14. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
MEX — ONT
Jun 11 — Jun 181
From?
To?
Tue 6/11
Tue 6/18
1 adult, Economy
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The best prices from Mexico City Benito Juarez to Ontario are usually found in April or September, booked 88 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from Mexico City to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Mexico City (MEX) 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 June 6, 2024.

Popular in

August

Cheapest in

April

Round-trip from

$238

One-way from

$187
High demand for flights, 15% potential price rise
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Best time to find cheap flights, 20% potential price drop
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From Mexico City Benito Juarez to Ontario
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One-way flight from Mexico City Benito Juarez to Ontario
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What is the cheapest day to fly round-trip from Mexico City to Ontario?

Travelers have found that booking a Friday departure is the best way to save up to 25% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

How far in advance should I book a flight from Mexico City to Ontario?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 46 days in advance, which can save you up to 31% on flights from Mexico City to Ontario compared to booking the week you need them. Waiting 46 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $367. For sooner than that we have options available in the next 3 days from $469.

What is the cheapest month to fly from Mexico City to Ontario?

The best pricing can be found in the month of September. Prices to Ontario from Mexico City average $338. You can even find prices in September for less than $338, as users have found deals to Ontario from as low as $162. The month of December appears to be one of the more expensive times to travel to Ontario from Mexico City. Flying in the targeted month can save you up to 18%.

What is the cheapest time of day to fly from MEX to ONT?

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

Cheap Mexico City to Ontario flights in June & July 2024

Find cheap flight options from Mexico City to Ontario specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Prices were last updated on June 6, 2024.
Scroll through some of the best deals on flights from Mexico City to Ontario in 2024. Check back regularly for other flight deals.
Fri 7/1211:45 amMEX - ONT
1 stop23h 03mFrontier
Wed 7/174:55 pmONT - MEX
1 stop28h 05mFrontier
Deal found 6/6$352
Fri 7/1211:45 amMEX - ONT
1 stop23h 03mFrontier
Tue 7/1612:59 amONT - MEX
1 stop15h 31mFrontier
Deal found 6/6$362
Fri 7/1211:45 amMEX - ONT
1 stop25h 08mFrontier
Tue 7/3012:59 amONT - MEX
1 stop15h 31mFrontier
Deal found 6/6$373
Fri 7/52:30 pmMEX - ONT
1 stop9h 27mVolaris
Thu 7/1112:58 amONT - MEX
1 stop6h 47mVolaris
Deal found 6/5$380
Mon 7/811:45 amMEX - ONT
1 stop26h 09mFrontier
Wed 7/174:55 pmONT - MEX
1 stop28h 05mFrontier
Deal found 6/6$382
Wed 7/34:45 amMEX - ONT
2 stops20h 04mFrontier
Tue 8/2712:00 pmONT - MEX
1 stop8h 10mFrontier
Deal found 6/5$384
Fri 7/53:45 pmMEX - ONT
2 stops16h 52mFrontier
Mon 7/87:19 amONT - MEX
1 stop9h 11mFrontier
Deal found 6/5$385
Wed 6/124:50 pmMEX - ONT
1 stop15h 18mMultiple Airlines
Wed 6/195:28 pmONT - MEX
1 stop27h 32mMultiple Airlines
Deal found 6/5$386
Thu 7/411:45 amMEX - ONT
1 stop22h 18mFrontier
Tue 7/912:59 amONT - MEX
1 stop15h 31mFrontier
Deal found 6/6$390

Mexico City to Ontario 2024 flight deals

Discover exclusive flight deals for travel between Mexico City and Ontario in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
Scroll through some of the best deals on flights from Mexico City to Ontario in 2024. Check back regularly for other flight deals.
Mon 8/193:30 pmMEX - ONT
1 stop15h 37mFrontier
Mon 8/265:30 pmONT - MEX
1 stop26h 40mFrontier
Deal found 6/6$308
Tue 8/2011:45 amMEX - ONT
1 stop22h 21mFrontier
Tue 8/271:32 pmONT - MEX
1 stop26h 58mFrontier
Deal found 6/6$312
Wed 9/118:10 amMEX - ONT
1 stop12h 27mFrontier
Wed 9/186:57 amONT - MEX
1 stop10h 18mFrontier
Deal found 6/4$316
Tue 8/2011:45 amMEX - ONT
1 stop22h 21mFrontier
Tue 8/271:32 pmONT - MEX
1 stop26h 58mFrontier
Deal found 6/6$321
Wed 9/118:10 amMEX - ONT
1 stop12h 27mFrontier
Tue 9/1712:49 amONT - MEX
2 stops20h 11mFrontier
Deal found 6/4$322
Wed 9/188:10 amMEX - ONT
1 stop16h 29mFrontier
Sat 9/214:48 pmONT - MEX
1 stop28h 12mFrontier
Deal found 6/4$327
Sun 9/2211:45 amMEX - ONT
1 stop22h 21mFrontier
Sun 9/2912:49 amONT - MEX
1 stop15h 41mFrontier
Deal found 6/6$333
Mon 8/193:30 pmMEX - ONT
1 stop15h 37mFrontier
Sun 8/2512:49 amONT - MEX
1 stop15h 41mFrontier
Deal found 6/6$334
Fri 9/133:30 pmMEX - ONT
1 stop15h 37mFrontier
Sat 9/217:30 amONT - MEX
1 stop9h 00mFrontier
Deal found 6/5$336

Mexico City to Ontario flights leaving soon

Find last-minute flight options from Mexico City to Ontario for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
Have a look at some of the last-minute flights available departing from Mexico City to Ontario. It's wise to confirm all flight details are correct before booking.
Wed 6/124:50 pmMEX - ONT
1 stop15h 18mMultiple Airlines
Wed 6/195:28 pmONT - MEX
1 stop27h 32mMultiple Airlines
Deal found 6/5$386
Wed 6/125:50 pmMEX - ONT
1 stop6h 07mVolaris
Wed 6/1910:00 pmONT - MEX
1 stop9h 45mVolaris
Deal found 6/5$417
Sat 6/87:55 amMEX - ONT
2 stops17h 02mFrontier
Mon 6/1012:59 amONT - MEX
2 stops20h 01mFrontier
Deal found 6/4$418
Tue 6/1811:45 amMEX - ONT
2 stops20h 23mFrontier
Mon 7/17:13 amONT - MEX
1 stop9h 17mFrontier
Deal found 6/5$424
Sun 6/1611:45 amMEX - ONT
1 stop26h 25mFrontier
Thu 6/2011:59 amONT - MEX
1 stop28h 31mFrontier
Deal found 6/6$425
Wed 6/125:50 pmMEX - ONT
1 stop6h 07mMultiple Airlines
Fri 6/287:13 amONT - MEX
1 stop9h 17mMultiple Airlines
Deal found 6/5$429
Wed 6/1210:55 amMEX - ONT
2 stops13h 54mFrontier
Fri 6/287:13 amONT - MEX
1 stop9h 17mFrontier
Deal found 6/5$430
Thu 6/133:45 pmMEX - ONT
2 stops15h 38mFrontier
Fri 6/2812:49 amONT - MEX
2 stops11h 51mFrontier
Deal found 6/6$432
Thu 6/203:45 pmMEX - ONT
2 stops15h 38mFrontier
Sun 6/2312:59 amONT - MEX
2 stops11h 41mFrontier
Deal found 6/5$443

One-way flights to Ontario from Mexico City

Search for one-way flight options from Mexico City to Ontario. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
Take a look at some of the one-way flights we've detected from Mexico City to Ontario. Users in need of a round-trip flight from Mexico City to Ontario instead should update the search form at the top of page.
Sat 9/145:50 pmMEX - ONT
1 stop6h 07mVolaris
Deal found 6/5$187
Sun 8/112:30 pmMEX - ONT
1 stop9h 27mVolaris
Deal found 6/5$191
Wed 9/45:50 pmMEX - ONT
1 stop6h 07mVolaris
Deal found 6/6$192
Sun 8/252:30 pmMEX - ONT
1 stop9h 27mVolaris
Deal found 6/5$198
Thu 8/85:50 pmMEX - ONT
1 stop6h 07mVolaris
Deal found 6/5$199
Tue 7/25:50 pmMEX - ONT
1 stop6h 07mVolaris
Deal found 6/4$200
Sun 8/112:30 pmMEX - ONT
1 stop9h 27mVolaris
Deal found 6/5$201
Wed 6/192:30 pmMEX - ONT
1 stop9h 27mVolaris
Deal found 6/6$202
Fri 7/55:50 pmMEX - ONT
1 stop6h 07mVolaris
Deal found 6/6$203

Find flights from Mexico City to Ontario within your budget

Customize your flight search to find flights from Mexico City 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 3,050,429 searches. Data last updated June 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$308 - $516

Route

Depart

Return

Price

Mexico City Benito JuarezOntario

MEX - ONT

MEXONT

Mexico City Benito Juarez

Mon 8/19

1 stop15h 37m

Ontario

Mon 8/26

1 stop26h 40m

$308

Mexico City Benito JuarezOntario

MEX - ONT

MEXONT

Mexico City Benito Juarez

Tue 8/20

1 stop22h 21m

Ontario

Tue 8/27

1 stop26h 58m

$312

Mexico City Benito JuarezOntario

MEX - ONT

MEXONT

Mexico City Benito Juarez

Wed 9/11

1 stop12h 27m

Ontario

Wed 9/18

1 stop10h 18m

$316

Mexico City Benito JuarezOntario

MEX - ONT

MEXONT

Mexico City Benito Juarez

Tue 8/20

1 stop9h 27m

Ontario

Thu 8/22

1 stop11h 27m

$376

Mexico City Benito JuarezOntario

MEX - ONT

MEXONT

Mexico City Benito Juarez

Fri 7/5

1 stop6h 07m

Ontario

Tue 7/9

1 stop21h 40m

$420

Mexico City Benito JuarezOntario

MEX - ONT

MEXONT

Mexico City Benito Juarez

Tue 9/10

2 stops18h 05m

Ontario

Tue 9/17

1 stop10h 25m

$438

Mexico City Benito JuarezOntario

MEX - ONT

MEXONT

Mexico City Benito Juarez

Tue 7/30

1 stop16h 15m

Ontario

Tue 8/6

2 stops11h 40m

$488

Mexico City Benito JuarezOntario

MEX - ONT

MEXONT

Mexico City Benito Juarez

Fri 9/13

1 stop17h 45m

Ontario

Sun 9/15

2 stops17h 48m

$506

Mexico City Benito JuarezOntario

MEX - ONT

MEXONT

Mexico City Benito Juarez

Thu 7/4

1 stop13h 48m

Ontario

Wed 7/10

1 stop12h 05m

$516

Flights are sorted by cheapest first

Deals found on 6/6

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

Use this chart to determine the optimal time to book a round-trip flight from Mexico City to Ontario. Price data was last updated on May 31, 2024.
The best time to book flights from Mexico City to Ontario is 88 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

What is the cheapest day to fly from Mexico City to Ontario?

Use this chart to determine the cheapest time to fly round-trip from Mexico City to Ontario. Price data was last updated on June 2, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Mexico City to Ontario flight should consider departing on Saturday afternoons when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Mexico City to Ontario

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

Temperature and rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average temperature and rainfall totals by month.

LAX

Temperature

57.2 - 73.4 °F

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 June 6, 2024.
Read reviews from past customers who have flown Volaris, United Airlines and Frontier from Mexico City to Ontario. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,368 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

8.0

Food

7.4

Crew

8.6

Reviews

1 / 10

Food was cheap and not healthful. Entertainment was poor choices. Flight was rocky but not pilots fault.

Delta
8.0
Very good
10,368 reviews
Delta
8.0
Very good
10,368 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

8.0

Food

7.4

Crew

8.6

Reviews

1 / 10

Food was cheap and not healthful. Entertainment was poor choices. Flight was rocky but not pilots fault.

Aeromexico
7.6
Good
2,447 reviews
Delta
8.0
Very good
10,368 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

8.0

Food

7.4

Crew

8.6

Reviews

1 / 10

Food was cheap and not healthful. Entertainment was poor choices. Flight was rocky but not pilots fault.

Avianca
7.5
Good
3,599 reviews
Delta
8.0
Very good
10,368 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

8.0

Food

7.4

Crew

8.6

Reviews

1 / 10

Food was cheap and not healthful. Entertainment was poor choices. Flight was rocky but not pilots fault.

United Airlines
7.4
Good
10,696 reviews
Delta
8.0
Very good
10,368 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

8.0

Food

7.4

Crew

8.6

Reviews

1 / 10

Food was cheap and not healthful. Entertainment was poor choices. Flight was rocky but not pilots fault.

American Airlines
7.3
Good
14,227 reviews
Delta
8.0
Very good
10,368 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

8.0

Food

7.4

Crew

8.6

Reviews

1 / 10

Food was cheap and not healthful. Entertainment was poor choices. Flight was rocky but not pilots fault.

Related info for your journey

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

  • Can I find flights from Mexico City to Ontario for under $400 on Cheapflights?

    Yes, there are multiple flights from Mexico City to Ontario for under $400. The cheapest flight booked recently is on Frontier for just $308, but on average you can expect to pay $341.

  • Are there last-minute flights available from Mexico City to Ontario for under $400?

    There are currently 20+ open flights from Mexico City to Ontario within the next 7 days for less than $400.

  • What are the cheapest airlines flying from Mexico City to Ontario round-trip?

    Frontier, at $308, was found to be the cheapest airline from Mexico City to Ontario. An alternate airline flying to your destination would be Volaris. Frontier is priced at 33% lower than the current average price of a flight leaving 3 months from now.

  • What does MEX to ONT mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Mexico City Benito Juarez Airport to Ontario Airport flight would often be abbreviated as a MEX to ONT flight.

  • Can I find deals for flights from Mexico City to Ontario that include extra baggage allowance?

    The amount of baggage you can bring on your Mexico City to Ontario flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Mexico City to Ontario with specific airlines?

    Yes, Cheapflights allows you to browse and filter Mexico City to Ontario flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

  • How can I find direct flights from Mexico City 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 to Ontario.

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

    Yes. Cheapflights offers flight deals from Mexico City 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.

  • Can I find deals for flights from Mexico City to Ontario that allow pets onboard?

    Many airlines flying from Mexico City to Ontario offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Mexico City to Ontario?

    Yes, you can often find last-minute deals on Mexico City to Ontario flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Mexico City to Ontario flight deals updated?

    The Mexico City to Ontario flight deals you see on this page were last updated on 6/6.

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

    Currently, October is the cheapest month in which you can book a flight from Mexico City to Ontario (average of $239). Flying from Mexico City to Ontario in July 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.

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Alternative routes for Mexico City 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 to Ontario

Discover the top airline that operate flights from Mexico City 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 3,050,429 searches. Data last updated June 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
VolarisCheapest$386Average$427FlexibilityNo cancel feeOn-time79%
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Search flights from Mexico City to Ontario by cabin class

Find flights from Mexico City to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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