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Uncover the best deals on Cancún to Ontario flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest CUN - ONT Flights
Useful information for finding best airline tickets from Cancún International to Ontario International on your next trip.
Cheapest Round Trip Flight
$628
Southwest Airlines
• 2 stops
• 46h 55m
Nov 26 – Dec 06
The cheapest round trip flight from Cancún to Ontario (CUN-ONT-CUN) is currently $628
Cheapest One way Flight
$187
Aeromexico
• 1 stop
• 15h 40m
Oct 13
The cheapest one way flight from Cancún to Ontario (CUN-ONT) is currently $187
Fastest Flight
15h 40m
The fastest nonstop flight from Cancún to Ontario (CUN-ONT) takes 15h 40m
Top Airlines Flying from Cancún to Ontario
Latest Flight Deals from Cancún (CUN) to Ontario (ONT)
Compare and book low fare round-trip air tickets from Cancún to Ontario. Ideal for travelers with confirmed return itineraries.
Nov 26 - Dec 06, Economy
Cancún → Ontario
46h 55m
8:40 AM - 9:55 AM • 2 stops
Cancún → Ontario
40h 20m
10:10 AM - 1:30 PM • 2 stops
Southwest Airlines
Explore competitive one-way airfare options for CUN - ONT flights. Best suited for flexible or open-ended travel plans.
Flying to Ontario soon? We've surfaced some of the most affordable last-minute flights from Cancún to Ontario, ideal for urgent plans or spontaneous trips.
FAQs on Cancún to Ontario Flights
What are the airports in Cancún?
CUN
What’s the most popular airline flying from CUN to ONT?
The most popular airline flying from Cancún to Ontario are
Can I fly from CUN to ONT non-stop?
NO
Which airlines fly nonstop between Cancún and Ontario?
The non-stop flights between Cancún and Ontario are .
What’s the earliest departure time from CUN to ONT Airport?
The earliest flight leaves CUN at 8:00 am and lands in ONT - Ontario International
What are the airports in Ontario?
ONT
Can I make changes to my Cancún 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 CUN to ONT?
Read the fare rules of the Cancún 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 Cancún and Ontario?
operate flights between Cancún and Ontario
How long does a flight from Cancún to Ontario take?
It takes approximately 5 hour to fly non-stop from CUN to ONT, which is 2076.7 miles by air.
Which airlines provide the cheapest flights from Cancún (CUN) to Ontario (ONT) ?
In the past couple of days, the cheapest tickets to ONT from CUN were found on AM : USD 698
Do I need a passport to fly between CUN and ONT?
Yes
What’s the latest departure time from CUN to ONT ?
The last flight leaves CUN at 4:15 pm
Cancún (CUN) to Ontario (ONT): Airport Information
| Origin Airport | Cancún International , Cancún, MX |
| Destination Airport | Ontario International , Ontario, US |
| Distance | 2077 miles |
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