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Cheap flights from Ontario to Mexico City from $117

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Mexico City departing on 1/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Ontario to Mexico City

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:15 am - 8:05 pmONT-MEX
11h 50m1 stop
Multiple Airlines Logo
6:20 am - 4:33 pmMEX-ONT
12h 13m1 stop
$325Multiple Airlines
Find Deal
Sat, Dec 6 - Sun, Dec 7
Multiple Airlines Logo
2:05 pm - 12:20 pmONT-MEX
20h 15m1 stop
Multiple Airlines Logo
6:20 am - 4:33 pmMEX-ONT
12h 13m1 stop
$326Multiple Airlines
Find Deal
Fri, Dec 5 - Sun, Dec 7
Multiple Airlines Logo
6:15 am - 8:05 pmONT-MEX
11h 50m1 stop
Multiple Airlines Logo
8:10 am - 2:25 pmMEX-ONT
8h 15m1 stop
$331Multiple Airlines
Find Deal
Sat, Dec 6 - Mon, Dec 8
Volaris Logo
12:42 am - 9:25 amONT-MEX
6h 43m1 stop
Volaris Logo
2:10 pm - 6:44 pmMEX-ONT
6h 34m1 stop
$337Volaris
Find Deal
Sat, Jan 24 - Wed, Feb 4
Volaris Logo
12:42 am - 9:25 amONT-MEX
6h 43m1 stop
Volaris Logo
12:05 pm - 8:11 pmMEX-ONT
9h 06m1 stop
$342Volaris
Find Deal
Thu, Mar 5 - Tue, Mar 17
Volaris Logo
12:42 am - 9:25 amONT-MEX
6h 43m1 stop
Volaris Logo
2:10 pm - 6:44 pmMEX-ONT
6h 34m1 stop
$363Volaris
Find Deal
Tue, Feb 3 - Tue, Feb 10
Volaris Logo
11:34 pm - 9:25 amONT-MEX
7h 51m1 stop
Volaris Logo
2:10 pm - 6:44 pmMEX-ONT
6h 34m1 stop
$366Volaris
Find Deal
Fri, Feb 6 - Mon, Feb 9
Frontier Logo
6:15 am - 9:45 pmONT-MEX
13h 30m2 stops
Frontier Logo
11:55 am - 9:17 pmMEX-ONT
11h 22m1 stop
$368Frontier
Find Deal
Thu, Dec 4 - Tue, Dec 9
Frontier Logo
8:30 am - 9:10 pmONT-MEX
10h 40m1 stop
Frontier Logo
7:00 am - 10:39 pmMEX-ONT
17h 39m2 stops
$379Frontier
Find Deal
Wed, Feb 4 - Tue, Feb 10
Frontier Logo
6:56 pm - 10:30 pmONT-MEX
25h 34m1 stop
Frontier Logo
11:55 am - 9:17 pmMEX-ONT
11h 22m1 stop
$384Frontier
Find Deal
Fri, Feb 20 - Tue, Feb 24

Volaris flights from Ontario to Mexico City

Our best Volaris deals on Ontario to Mexico City flight tickets
Volaris
Jan 24
ONT12:42 amOntario
6h 43m
1 stop
MEX9:25 amMexico City Benito Juarez
Feb 4
MEX2:10 pmMexico City Benito Juarez
6h 34m
1 stop
ONT6:44 pmOntario
$337
Find similar
Volaris
Mar 5
ONT12:42 amOntario
6h 43m
1 stop
MEX9:25 amMexico City Benito Juarez
Mar 17
MEX12:05 pmMexico City Benito Juarez
9h 06m
1 stop
ONT8:11 pmOntario
$342
Find similar
Volaris
Feb 3
ONT12:42 amOntario
6h 43m
1 stop
MEX9:25 amMexico City Benito Juarez
Feb 10
MEX2:10 pmMexico City Benito Juarez
6h 34m
1 stop
ONT6:44 pmOntario
$363
Find similar

Frontier flights from Ontario to Mexico City

Our best Frontier deals on Ontario to Mexico City flight tickets
Frontier
Dec 4
ONT6:15 amOntario
13h 30m
2 stops
MEX9:45 pmMexico City Benito Juarez
Dec 9
MEX11:55 amMexico City Benito Juarez
11h 22m
1 stop
ONT9:17 pmOntario
$368
Find similar
Frontier
Feb 4
ONT8:30 amOntario
10h 40m
1 stop
MEX9:10 pmMexico City Benito Juarez
Feb 10
MEX7:00 amMexico City Benito Juarez
17h 39m
2 stops
ONT10:39 pmOntario
$379
Find similar
Frontier
Feb 20
ONT6:56 pmOntario
25h 34m
1 stop
MEX10:30 pmMexico City Benito Juarez
Feb 24
MEX11:55 amMexico City Benito Juarez
11h 22m
1 stop
ONT9:17 pmOntario
$384
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Mexico City 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, momondo users made 832,500 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from Ontario to Mexico City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioMexico City

ONT - MEX

ONTMEX

Ontario

Sat 12/6

6:15 am-8:05 pm

1 stop11h 50m

Mexico City Benito Juarez

Sun 12/7

6:20 am-4:33 pm

1 stop12h 13m

$325

OntarioMexico City

ONT - MEX

ONTMEX

Ontario

Fri 12/5

2:05 pm-12:20 pm

1 stop20h 15m

Mexico City Benito Juarez

Sun 12/7

6:20 am-4:33 pm

1 stop12h 13m

$326

OntarioMexico City

ONT - MEX

ONTMEX

Ontario

Sat 12/6

6:15 am-8:05 pm

1 stop11h 50m

Mexico City Benito Juarez

Mon 12/8

8:10 am-2:25 pm

1 stop8h 15m

$331

OntarioMexico City

ONT - MEX

ONTMEX

Ontario

Sat 1/24

12:42 am-9:25 am

1 stop6h 43m

Mexico City Benito Juarez

Wed 2/4

2:10 pm-6:44 pm

1 stop6h 34m

$337

OntarioMexico City

ONT - MEX

ONTMEX

Ontario

Thu 3/5

12:42 am-9:25 am

1 stop6h 43m

Mexico City Benito Juarez

Tue 3/17

12:05 pm-8:11 pm

1 stop9h 06m

$342

OntarioMexico City

ONT - MEX

ONTMEX

Ontario

Tue 2/3

12:42 am-9:25 am

1 stop6h 43m

Mexico City Benito Juarez

Tue 2/10

2:10 pm-6:44 pm

1 stop6h 34m

$363

OntarioMexico City

ONT - MEX

ONTMEX

Ontario

Fri 2/6

11:34 pm-9:25 am

1 stop7h 51m

Mexico City Benito Juarez

Mon 2/9

2:10 pm-6:44 pm

1 stop6h 34m

$366

OntarioMexico City

ONT - MEX

ONTMEX

Ontario

Thu 12/4

6:15 am-9:45 pm

2 stops13h 30m

Mexico City Benito Juarez

Tue 12/9

11:55 am-9:17 pm

1 stop11h 22m

$368

OntarioMexico City

ONT - MEX

ONTMEX

Ontario

Wed 2/4

8:30 am-9:10 pm

1 stop10h 40m

Mexico City Benito Juarez

Tue 2/10

7:00 am-10:39 pm

2 stops17h 39m

$379

OntarioMexico City

ONT - MEX

ONTMEX

Ontario

Fri 2/20

6:56 pm-10:30 pm

1 stop25h 34m

Mexico City Benito Juarez

Tue 2/24

11:55 am-9:17 pm

1 stop11h 22m

$384

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Mexico City from

How to get the cheapest flight ticket from Ontario to Mexico City

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Mexico City?

The cheapest month to fly to Mexico City from Ontario is in April. Flight prices, which tend to average around $298, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of April, then book flights to Mexico City from Ontario during February instead. Flights to Mexico City in February, while not as cheap as those in April, still average around $357.

What is the cheapest day to depart on your flight to Mexico City?

Our data shows that Wednesday is the least expensive day to fly to Mexico City. Tickets to fly out on this day can be as low as $384. On the other hand, Thursday is the most expensive day to depart from Ontario because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $407.

What is the cheapest time of day to depart on your flight to Mexico City?

According to our data, the cheapest time of day to fly to Mexico City is in the evening. momondo users have found flights departing from Ontario to Mexico City in the evening for as low as $345. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At noon is when there is more demand to fly to Mexico City, so prices are often more expensive at around $481 per ticket.

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

You are more likely to see cheaper flights to Mexico City from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Mexico City for around $405 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Mexico City from Ontario for as low as $309 on momondo.

How have Ontario to Mexico City flight prices changed over time?

As of October 2025, prices for Ontario to Mexico City flights are approximately 4% more expensive when compared to flights at the same time last year.

When to book flights from Ontario to Mexico City

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Mexico City according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Mexico City (ONT to MEX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Mexico City

Direct flights

None
There are no direct flights from Ontario to Mexico City. There are no popular flight routes from Ontario to Mexico City.
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  • How far is Ontario to Mexico City Benito Juarez by plane?

    The straight-line distance from Ontario to Mexico City Benito Juarez is 1519.3 mi. By plane, this route typically takes 6h 43m.

  • When did momondo last update prices for flights from Ontario Airport to Mexico City Benito Juarez Airport?

    Prices for flights from Ontario Airport to Mexico City Benito Juarez Airport are updated daily.

  • How many operators does momondo search for flights from Ontario Airport to Mexico City Benito Juarez Airport?

  • How old do you have to be to fly from Ontario Airport to Mexico City Benito Juarez Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Mexico City Benito Juarez Airport.

  • What documentation or ID do you need to fly to Mexico City Benito Juarez Airport?

    The travel and health documents required for your trip to Mexico City Benito Juarez Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Mexico City Benito Juarez Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Ontario to Mexico City?

Best airlines flying from Ontario to Mexico City

Compare and see reviews for airlines that fly from Ontario to Mexico City with momondo
Airline
Rating
Free Cancellation
Price
VivaPriceFrom $228Free CancellationRating
7.0
790 reviews
Search Viva flights
VolarisPriceFrom $281Free CancellationRating
6.7
1,151 reviews
Search Volaris flights
American AirlinesPriceFrom $536Free CancellationRating
7.2
11,032 reviews
Search American Airlines flights

Traveling to a place near Mexico City?

Book flights to Mexico City if you plan to visit one of these locations
Cuernavaca
Tepoztlán
Taxco
Valle de Bravo

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Mexico City?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Mexico City. momondo saves you time and could save you money on your trip.

Can I find flights from Ontario to Mexico City with flexible booking policies on momondo?

Yes. All flights to Mexico City from Ontario on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Ontario to Mexico City?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Mexico City from Ontario.

I’m not ready to book a flight from Ontario to Mexico City right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Mexico City, momondo offers a useful price alert feature which will track prices for flights to Mexico City from Ontario and alert you when they change.

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Find better results for your trip to Mexico

Airports servicing Mexico City Federal District

Mexico City Toluca Intl Airport