Cheap Flight Tickets from Mexico City (MEX) to Ontario (ONT), Starting at $425

Good to Know: Cheapest and Fastest MEX - ONT Flights

Useful information for finding best airline tickets from Licenciado Benito Juarez International to Ontario International on your next trip.

Cheapest Round Trip Flight

$425

F9 Frontier Airlines • 1 stop • 23h 28m

Nov 05 – Nov 08

The cheapest round trip flight from Mexico City to Ontario (MEX-ONT-MEX) is currently $425

🔍 Search Flights

Fastest Flight

13h 21m

The fastest nonstop flight from Mexico City to Ontario (MEX-ONT) takes 13h 21m

Top Airlines Flying from Mexico City to Ontario

United Airlines, UA

United Airlines

Aeromexico Airline (AM)

Aeromexico

Latest Flight Deals from Mexico City (MEX) to Ontario (ONT)

Compare and book low fare round-trip air tickets from Mexico City to Ontario. Ideal for travelers with confirmed return itineraries.

Nov 05 - Nov 08, Economy
F9
Mexico City → Ontario
23h 28m
7:00 AM - 7:08 PM • 1 stop
F9
Mexico City → Ontario
5h 41m
6:14 PM - 11:55 PM • nonstop
$425
Frontier Airlines
Nov 05 - Nov 08, Economy
UA
Mexico City → Ontario
15h
2:40 PM - 9:40 PM • 1 stop
UA
Mexico City → Ontario
13h 26m
11:59 PM - 10:05 AM • 1 stop
$523
United Airlines
Nov 05 - Nov 08, Economy
F9
Mexico City → Ontario
23h 28m
7:00 AM - 7:08 PM • 1 stop
F9
Mexico City → Ontario
13h 55m
6:25 AM - 5:00 PM • 1 stop
$597
Frontier Airlines
Nov 05 - Nov 08, Economy
F9
Mexico City → Ontario
29h 11m
8:00 AM - 11:51 PM • 1 stop
F9
Mexico City → Ontario
5h 41m
12:34 AM - 6:15 AM • nonstop
$681
Frontier Airlines
Nov 05 - Nov 08, Economy
F9
Mexico City → Ontario
29h 11m
8:00 AM - 11:51 PM • 1 stop
F9
Mexico City → Ontario
13h 55m
6:25 AM - 5:00 PM • 1 stop
$853
Frontier Airlines
Nov 05 - Nov 08, Economy
AM
Mexico City → Ontario
13h 21m
4:10 PM - 10:11 PM • 1 stop
AM
Mexico City → Ontario
5h 45m
7:00 AM - 12:45 PM • nonstop
$862
Aeromexico

Fly from Mexico City to Ontario with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Mexico City to Ontario? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Mexico City to Ontario Flights

What are the airports in Mexico City?
MEX
What’s the most popular airline flying from MEX to ONT?
The most popular airline flying from Mexico City to Ontario are
Can I fly from MEX to ONT non-stop?
NO
Which airlines fly nonstop between Mexico City and Ontario?
The non-stop flights between Mexico City and Ontario are .
What’s the earliest departure time from MEX to ONT Airport?
The earliest flight leaves MEX at 7:00 am and lands in ONT - Ontario International
What are the airports in Ontario?
ONT
Can I make changes to my Mexico City to Ontario flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from MEX to ONT?
Read the fare rules of the Mexico City to Ontario air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Mexico City and Ontario?
operate flights between Mexico City and Ontario
How long does a flight from Mexico City to Ontario take?
It takes approximately 4 hour to fly non-stop from MEX to ONT, which is 1519.86 miles by air.
Which airlines provide the cheapest flights from Mexico City (MEX) to Ontario (ONT) ?
In the past couple of days, the cheapest tickets to ONT from MEX were found on AM : USD 862
Do I need a passport to fly between MEX and ONT?
Yes
What’s the latest departure time from MEX to ONT ?
The last flight leaves MEX at 4:10 pm

Mexico City (MEX) to Ontario (ONT): Airport Information

Origin Airport Licenciado Benito Juarez International , Mexico City, MX
Destination Airport Ontario International , Ontario, US
Distance 1520 miles

More Flight Options for Mexico City (MEX) and Ontario (ONT)

Why Fareleaders for MEX to ONT Plane Tickets

Lowest Prices
Lowest Prices
Uncover the best deals on Mexico City to Ontario flights by comparing fares from hundreds of airlines and agencies.
New Deals
New Deals Everyday
Get the best prices on MEX to ONT flights—we update our fares daily so you never miss a saving.
Best Travel Options
No Service Fees
Compare hundreds of Mexico City to Ontario flights and secure the best deals—we never add any service fees.
Get Fare Drop Alert
Be the first to know when fares drop for the Mexico City (MEX) to Ontario (ONT)
Terms and Conditions*