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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 10/11. 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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Find the cheapest flights from Ontario to Mexico City

Cheap round-trip flights

Volaris Logo
1:02 am - 9:25 amONT-MEX
6h 23m1 stop
Volaris Logo
4:45 pm - 11:12 pmMEX-ONT
8h 27m1 stop
$313Volaris
Find Deal
lun., feb. 2 - mar., feb. 10
Volaris Logo
12:40 pm - 11:45 pmONT-MEX
10h 05m1 stop
Volaris Logo
4:30 pm - 11:13 pmMEX-ONT
7h 43m1 stop
$317Volaris
Find Deal
sáb., oct. 11 - sáb., oct. 18
Volaris Logo
12:40 pm - 11:45 pmONT-MEX
10h 05m1 stop
Volaris Logo
4:30 pm - 11:13 pmMEX-ONT
7h 43m1 stop
$326Volaris
Find Deal
sáb., oct. 11 - sáb., oct. 18
Volaris Logo
12:40 pm - 11:45 pmONT-MEX
10h 05m1 stop
Volaris Logo
4:30 pm - 11:13 pmMEX-ONT
7h 43m1 stop
$334Volaris
Find Deal
vie., oct. 3 - mié., oct. 8
Volaris Logo
1:09 am - 11:10 amONT-MEX
9h 01m1 stop
Volaris Logo
4:30 pm - 11:13 pmMEX-ONT
7h 43m1 stop
$335Volaris
Find Deal
vie., oct. 10 - sáb., oct. 18
Volaris Logo
12:40 pm - 11:45 pmONT-MEX
10h 05m1 stop
Volaris Logo
4:30 pm - 11:13 pmMEX-ONT
7h 43m1 stop
$336Volaris
Find Deal
lun., oct. 13 - mar., oct. 21
Logo
7:04 am - 5:00 pmONT-MEX
8h 56m1 stop
Logo
8:10 am - 11:50 pmMEX-ONT
16h 40m1 stop
$351
Find Deal
mar., oct. 7 - mié., oct. 15
Frontier Logo
8:00 am - 9:10 pmONT-MEX
12h 10m1 stop
Frontier Logo
7:55 am - 11:50 pmMEX-ONT
16h 55m2 stops
$422Frontier
Find Deal
mié., oct. 15 - mié., oct. 22
Frontier Logo
12:13 pm - 10:55 pmONT-MEX
9h 42m1 stop
Frontier Logo
11:45 am - 9:56 pmMEX-ONT
11h 11m1 stop
$423Frontier
Find Deal
vie., oct. 3 - sáb., oct. 4
Frontier Logo
12:28 pm - 10:00 pmONT-MEX
8h 32m1 stop
Frontier Logo
11:45 am - 8:42 pmMEX-ONT
9h 57m1 stop
$424Frontier
Find Deal
jue., oct. 2 - sáb., oct. 11

Avianca flights from Ontario to Mexico City

Our best Avianca deals on Ontario to Mexico City flight tickets
Avianca
Sep 25
ONT11:25 pmOntario
10h 30m
1 stop
MEX10:55 amMexico City Benito Juarez
Oct 2
MEX5:00 amMexico City Benito Juarez
17h 55m
2 stops
ONT9:55 pmOntario
$789
Find similar
Avianca
Sep 23
ONT11:25 pmOntario
15h 00m
2 stops
MEX3:25 pmMexico City Benito Juarez
Sep 25
MEX4:55 amMexico City Benito Juarez
18h 00m
2 stops
ONT9:55 pmOntario
$862
Find similar
Avianca
Sep 20
ONT11:25 pmOntario
15h 00m
2 stops
MEX3:25 pmMexico City Benito Juarez
Sep 23
MEX4:55 amMexico City Benito Juarez
18h 00m
2 stops
ONT9:55 pmOntario
$864
Find similar

Frontier flights from Ontario to Mexico City

Our best Frontier deals on Ontario to Mexico City flight tickets
Frontier
Oct 15
ONT8:00 amOntario
12h 10m
1 stop
MEX9:10 pmMexico City Benito Juarez
Oct 22
MEX7:55 amMexico City Benito Juarez
16h 55m
2 stops
ONT11:50 pmOntario
$422
Find similar
Frontier
Oct 3
ONT12:13 pmOntario
9h 42m
1 stop
MEX10:55 pmMexico City Benito Juarez
Oct 4
MEX11:45 amMexico City Benito Juarez
11h 11m
1 stop
ONT9:56 pmOntario
$423
Find similar
Frontier
Oct 2
ONT12:28 pmOntario
8h 32m
1 stop
MEX10:00 pmMexico City Benito Juarez
Oct 11
MEX11:45 amMexico City Benito Juarez
9h 57m
1 stop
ONT8:42 pmOntario
$424
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 septiembre 15, 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

lun. 2/2

1:02 am-9:25 am

1 stop6h 23m

Mexico City Benito Juarez

mar. 2/10

4:45 pm-11:12 pm

1 stop8h 27m

$313

OntarioMexico City

ONT - MEX

ONTMEX

Ontario

sáb. 10/11

12:40 pm-11:45 pm

1 stop10h 05m

Mexico City Benito Juarez

sáb. 10/18

4:30 pm-11:13 pm

1 stop7h 43m

$317

OntarioMexico City

ONT - MEX

ONTMEX

Ontario

sáb. 10/11

12:40 pm-11:45 pm

1 stop10h 05m

Mexico City Benito Juarez

sáb. 10/18

4:30 pm-11:13 pm

1 stop7h 43m

$326

OntarioMexico City

ONT - MEX

ONTMEX

Ontario

vie. 10/3

12:40 pm-11:45 pm

1 stop10h 05m

Mexico City Benito Juarez

mié. 10/8

4:30 pm-11:13 pm

1 stop7h 43m

$334

OntarioMexico City

ONT - MEX

ONTMEX

Ontario

vie. 10/10

1:09 am-11:10 am

1 stop9h 01m

Mexico City Benito Juarez

sáb. 10/18

4:30 pm-11:13 pm

1 stop7h 43m

$335

OntarioMexico City

ONT - MEX

ONTMEX

Ontario

lun. 10/13

12:40 pm-11:45 pm

1 stop10h 05m

Mexico City Benito Juarez

mar. 10/21

4:30 pm-11:13 pm

1 stop7h 43m

$336

OntarioMexico City

ONT - MEX

ONTMEX

Ontario

mar. 10/7

7:04 am-5:00 pm

1 stop8h 56m

Mexico City Benito Juarez

mié. 10/15

8:10 am-11:50 pm

1 stop16h 40m

$351

OntarioMexico City

ONT - MEX

ONTMEX

Ontario

mié. 10/15

8:00 am-9:10 pm

1 stop12h 10m

Mexico City Benito Juarez

mié. 10/22

7:55 am-11:50 pm

2 stops16h 55m

$422

OntarioMexico City

ONT - MEX

ONTMEX

Ontario

vie. 10/3

12:13 pm-10:55 pm

1 stop9h 42m

Mexico City Benito Juarez

sáb. 10/4

11:45 am-9:56 pm

1 stop11h 11m

$423

OntarioMexico City

ONT - MEX

ONTMEX

Ontario

jue. 10/2

12:28 pm-10:00 pm

1 stop8h 32m

Mexico City Benito Juarez

sáb. 10/11

11:45 am-8:42 pm

1 stop9h 57m

$424

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 $296, 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 $392. 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 $413.

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 $347. 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 $496 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 $426 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 September 2025, prices for Ontario to Mexico City flights are approximately 6% cheaper 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.
Search flight deals

  • 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 23m.

  • 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
787 reviews
Search Viva flights
VolarisPriceFrom $281Free CancellationRating
6.6
1,154 reviews
Search Volaris flights
American AirlinesPriceFrom $536Free CancellationRating
7.2
10,000 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.

An easier way to manage your Mexico City trip

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mié. 10/15
mié. 10/22
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Find better results for your trip to Mexico

Airports servicing Mexico City Federal District

Mexico City Toluca Intl Airport