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Uncover the best deals on Ontario to Cancún flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest ONT - CUN Flights
Useful information for finding best airline tickets from Ontario International to Cancún International on your next trip.
Cheapest Round Trip Flight
$224
American Airlines
• 2 stops
• 43h 34m
Sep 23 – Sep 27
The cheapest round trip flight from Ontario to Cancún (ONT-CUN-ONT) is currently $224
Cheapest Direct Flight
$515
Aeromexico
• nonstop
•
Sep 23
The cheapest nonstop flight from Ontario to Cancún (ONT-CUN) is currently $515
Fastest Flight
16h 55m
The fastest nonstop flight from Ontario to Cancún (ONT-CUN) takes 16h 55m
Top Airlines Flying from Ontario to Cancún
Latest Flight Deals from Ontario (ONT) to Cancún (CUN)
Compare and book low fare round-trip air tickets from Ontario to Cancún. Ideal for travelers with confirmed return itineraries.
Sep 23 - Sep 27, Economy
Ontario → Cancún
43h 34m
7:20 AM - 11:34 AM • 2 stops
Ontario → Cancún
31h 44m
4:25 PM - 9:29 AM • 2 stops
American Airlines
Sep 23 - Sep 27, Economy
Ontario → Cancún
31h 52m
2:22 PM - 11:34 AM • 2 stops
Ontario → Cancún
31h 44m
4:25 PM - 9:29 AM • 2 stops
American Airlines
Sep 23 - Sep 27, Economy
Ontario → Cancún
- • nonstop
Ontario → Cancún
- • nonstop
Delta Airlines
Sep 23 - Sep 27, Economy
Ontario → Cancún
24h 15m
7:05 PM - 12:00 PM • 2 stops
Ontario → Cancún
15h 5m
3:50 PM - 10:55 PM • 2 stops
Southwest Airlines
Sep 23 - Sep 27, Economy
Ontario → Cancún
35h 35m
7:20 AM - 1:57 PM • 1 stop
Ontario → Cancún
43h 53m
11:33 AM - 12:06 PM • 2 stops
American Airlines
Flying to Cancún soon? We've surfaced some of the most affordable last-minute flights from Ontario to Cancún, ideal for urgent plans or spontaneous trips.
Sep 15 - Sep 22, Economy
Ontario → Cancún
16h 55m
11:55 PM - 12:10 PM • 1 stop
Ontario → Cancún
17h 5m
12:50 PM - 9:15 PM • 2 stops
Southwest Airlines
Looking for the fastest way to Cancún? These direct flight options from ONT to CUN offer both convenience and value—no layovers, just straight to your destination.
Sep 23 - Sep 27, Economy
Ontario → Cancún
- • nonstop
Ontario → Cancún
- • nonstop
Delta Airlines
FAQs on Ontario to Cancún Flights
What are the airports in Ontario?
ONT
What’s the most popular airline flying from ONT to CUN?
The most popular airline flying from Ontario to Cancún are
Can I fly from ONT to CUN non-stop?
Yes, you can fly ONT to CUN non-stop on
Which airlines fly nonstop between Ontario and Cancún?
The non-stop flights between Ontario and Cancún are .
What’s the earliest departure time from ONT to CUN Airport?
The earliest flight leaves ONT at 7:20 am and lands in CUN - Cancún International
What are the airports in Cancún?
CUN
Can I make changes to my Ontario to Cancún 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 ONT to CUN?
Read the fare rules of the Ontario to Cancún 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 Ontario and Cancún?
operate flights between Ontario and Cancún
How long does a flight from Ontario to Cancún take?
It takes approximately 5 hour to fly non-stop from ONT to CUN, which is 2076.7 miles by air.
Which airlines provide the cheapest flights from Ontario (ONT) to Cancún (CUN) ?
In the past couple of days, the cheapest tickets to CUN from ONT were found on AA : USD 224
Do I need a passport to fly between ONT and CUN?
Yes
What’s the latest departure time from ONT to CUN ?
The last flight leaves ONT at 11:5900 pm
Ontario (ONT) to Cancún (CUN): Airport Information
| Origin Airport | Ontario International , Ontario, US |
| Destination Airport | Cancún International , Cancún, MX |
| Distance | 2077 miles |
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