What is the cheapest airline that flies from Ontario to Cancun?

Alaska Airlines, United Airlines, and Southwest are the most popular carriers operating from Ontario to Cancun

What airlines fly to Cancún?

United Airlines, Volaris and Delta are the top three most popular airlines that fly to Cancún from Ontario according to our data. United Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Cancún. Keep in mind that there are 11 different airlines that fly to Cancún on a routine basis, so you have a few additional options to choose from.

Which layover airport offers the lowest fares from Ontario to Cancún?

Flights via Phoenix (PHX) offer the lowest average round-trip price of $379.

Which layover airport has the shortest connection time from Ontario to Cancún?

Denver (DEN) has the shortest average layover time for this route: 1h 30m.

Which airport is the most popular layover for flights between Ontario and Cancún?

Guadalajara (GDL) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest travel time from Ontario to Cancún?

Flights connecting via Phoenix (PHX) have the shortest average one-way travel time: 6h 17m.

When did momondo last update prices for flights from Ontario Airport to Cancun Airport?

Prices for flights from Ontario Airport to Cancun Airport were last updated today.

How many operators does momondo search for flights from Ontario Airport to Cancun Airport?

The number of operators available for flights from Ontario Airport to Cancun Airport is 4 as of October 2026.

How old do you have to be to fly from Ontario Airport to Cancun 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 Cancun Airport.

What documentation or ID do you need to fly to Cancun Airport?

The travel and health documents required for your trip to Cancun 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 Cancun Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$185 Cheap Flights from Ontario to Cancún in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Cancún

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12:41 am - 10:30 amONT Ontario-CUN Cancun

7h 49m1 stop León Del Bajio

2:58 pm - 11:59 pmCUN Cancun-ONT Ontario

11h 01m1 stop León Del Bajio

$393Volaris

Tue, Apr 13 - Tue, Apr 20

12:41 am - 2:06 pmONT Ontario-CUN Cancun

10h 25m1 stop León Del Bajio

10:20 am - 4:49 pmCUN Cancun-ONT Ontario

9h 29m1 stop Guadalajara Miguel Hidal

$395Volaris

Sun, Mar 7 - Sat, Mar 13

8:44 am - 2:15 amONT Ontario-CUN Cancun

14h 31m2 stops Las Vegas Harry Reid Intl Mexico City Benito Juarez

11:35 am - 11:58 pmCUN Cancun-ONT Ontario

15h 23m1 stop Guadalajara Miguel Hidal

$458Multiple Airlines

Sat, Dec 5 - Sat, Dec 12

2:00 pm - 12:45 amONT Ontario-CUN Cancun

31h 45m2 stops Las Vegas Harry Reid Intl Monterrey Gen Mariano Escobedo

2:58 pm - 11:00 pmCUN Cancun-ONT Ontario

11h 02m1 stop León Del Bajio

$463Multiple Airlines

Tue, Dec 1 - Tue, Dec 8

5:45 am - 3:24 pmONT Ontario-CUN Cancun

6h 39m1 stop Houston George Bush Intcntl

8:39 am - 9:59 pmCUN Cancun-ONT Ontario

16h 20m1 stop Houston George Bush Intcntl

$519United Airlines

Tue, Dec 1 - Tue, Dec 8

11:59 pm - 2:06 pmONT Ontario-CUN Cancun

11h 07m1 stop Dallas/Fort Worth

5:19 pm - 11:59 pmCUN Cancun-ONT Ontario

9h 40m1 stop Dallas/Fort Worth

$534American Airlines

Mon, Nov 16 - Thu, Nov 19

11:59 pm - 2:55 pmONT Ontario-CUN Cancun

11h 56m2 stops Dallas/Fort Worth Miami

2:29 pm - 11:59 pmCUN Cancun-ONT Ontario

12h 30m1 stop Dallas/Fort Worth

$539American Airlines

Mon, Nov 16 - Thu, Nov 19

5:00 am - 3:45 pmONT Ontario-CUN Cancun

7h 45m1 stop Denver Intl

4:10 pm - 10:53 pmCUN Cancun-ONT Ontario

9h 43m1 stop San Francisco

$571United Airlines

Sun, Dec 13 - Fri, Dec 18

5:35 am - 4:00 pmONT Ontario-CUN Cancun

7h 25m1 stop Las Vegas Harry Reid Intl

1:50 pm - 10:00 pmCUN Cancun-ONT Ontario

11h 10m1 stop Nashville Intl

$573Southwest

Sun, Dec 13 - Sun, Dec 20

5:35 am - 4:00 pmONT Ontario-CUN Cancun

7h 25m1 stop Las Vegas Harry Reid Intl

12:20 pm - 8:40 pmCUN Cancun-ONT Ontario

11h 20m2 stops Austin Bergstrom Phoenix Sky Harbor Intl

$578Southwest

Sun, Dec 13 - Sun, Dec 20

Cheap last minute flights

Enter your travel dates to find the best prices.

11:52 am - 11:08 amONT Ontario-CUN Cancun

20h 16m2 stops Denver Intl Chicago O'Hare Intl

1:55 am - 4:49 pmCUN Cancun-ONT Ontario

17h 54m2 stops Mexico City Benito Juarez Guadalajara Miguel Hidal

$669Multiple Airlines

Sun, Nov 1 - Fri, Nov 6

12:55 am - 3:28 pmONT Ontario-CUN Cancun

12h 33m1 stop Guadalajara Miguel Hidal

10:20 am - 4:49 pmCUN Cancun-ONT Ontario

9h 29m1 stop Guadalajara Miguel Hidal

$692Volaris

Fri, Oct 30 - Mon, Nov 2

12:55 am - 3:28 pmONT Ontario-CUN Cancun

12h 33m1 stop Guadalajara Miguel Hidal

1:10 am - 4:21 pmCUN Cancun-ONT Ontario

18h 11m2 stops Mexico City Benito Juarez Las Vegas Harry Reid Intl

$695Multiple Airlines

Fri, Oct 30 - Fri, Nov 6

12:55 am - 3:28 pmONT Ontario-CUN Cancun

12h 33m1 stop Guadalajara Miguel Hidal

10:20 am - 4:49 pmCUN Cancun-ONT Ontario

9h 29m1 stop Guadalajara Miguel Hidal

$710Volaris

Wed, Oct 28 - Mon, Nov 2

2:22 pm - 9:57 amONT Ontario-CUN Cancun

17h 35m1 stop Dallas/Fort Worth

12:00 pm - 6:44 pmCUN Cancun-ONT Ontario

8h 44m1 stop Dallas/Fort Worth

$778American Airlines

Tue, Oct 27 - Fri, Oct 30

4:29 pm - 11:45 amONT Ontario-CUN Cancun

17h 16m2 stops Phoenix Sky Harbor Intl Miami

4:10 pm - 10:53 pmCUN Cancun-ONT Ontario

8h 43m1 stop Phoenix Sky Harbor Intl

$783American Airlines

Tue, Oct 27 - Fri, Oct 30

5:00 am - 3:00 pmONT Ontario-CUN Cancun

8h 00m1 stop Denver Intl

3:15 pm - 8:51 pmCUN Cancun-ONT Ontario

8h 36m1 stop Denver Intl

$784United Airlines

Sat, Oct 31 - Sat, Nov 7

5:30 am - 4:15 pmONT Ontario-CUN Cancun

8h 45m2 stops Las Vegas Harry Reid Intl Houston Hobby

8:20 am - 4:10 pmCUN Cancun-ONT Ontario

10h 50m2 stops Houston Hobby Phoenix Sky Harbor Intl

$828Southwest

Fri, Oct 30 - Tue, Nov 3

5:30 am - 4:15 pmONT Ontario-CUN Cancun

8h 45m2 stops Las Vegas Harry Reid Intl Houston Hobby

4:35 pm - 10:55 pmCUN Cancun-ONT Ontario

9h 20m2 stops Austin Bergstrom Phoenix Sky Harbor Intl

$829Southwest

Fri, Oct 30 - Sun, Nov 1

6:00 am - 3:24 pmONT Ontario-CUN Cancun

6h 24m1 stop Houston George Bush Intcntl

3:15 pm - 8:51 pmCUN Cancun-ONT Ontario

8h 36m1 stop Denver Intl

$891United Airlines

Sun, Nov 1 - Sat, Nov 7

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Volaris flights from Ontario to Cancún

Our best Volaris deals on Ontario to Cancún flight tickets

Volaris

Apr 13

ONT12:41 amOntario

7h 49m

1 stop

CUN10:30 amCancun

Apr 20

CUN2:58 pmCancun

11h 01m

1 stop

ONT11:59 pmOntario

$393

Volaris

Mar 7

ONT12:41 amOntario

10h 25m

1 stop

CUN2:06 pmCancun

Mar 13

CUN10:20 amCancun

9h 29m

1 stop

ONT4:49 pmOntario

$395

Volaris

Apr 11

ONT12:41 amOntario

11h 25m

1 stop

CUN2:06 pmCancun

Apr 18

CUN2:58 pmCancun

11h 01m

1 stop

ONT11:59 pmOntario

$399

Frontier flights from Ontario to Cancún

Our best Frontier deals on Ontario to Cancún flight tickets

Frontier

Jan 17

ONT6:27 pmOntario

18h 32m

2 stops

CUN3:59 pmCancun

Jan 21

CUN11:30 amCancun

9h 45m

1 stop

ONT6:15 pmOntario

$492

Frontier

Nov 7

ONT10:00 amOntario

24h 41m

2 stops

CUN1:41 pmCancun

Nov 21

CUN6:18 pmCancun

15h 02m

1 stop

ONT6:20 amOntario

$570

Frontier

Nov 7

ONT10:00 amOntario

24h 41m

2 stops

CUN1:41 pmCancun

Nov 21

CUN6:18 pmCancun

15h 02m

1 stop

ONT6:20 amOntario

$645

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioCancún

ONT Ontario - CUN Cancun

ONTCUN

Ontario

Tue 4/13

12:41 am-10:30 am

1 stop7h 49m

Cancun

Tue 4/20

2:58 pm-11:59 pm

1 stop11h 01m

$393

OntarioCancún

ONT Ontario - CUN Cancun

ONTCUN

Ontario

Sun 3/7

12:41 am-2:06 pm

1 stop10h 25m

Cancun

Sat 3/13

10:20 am-4:49 pm

1 stop9h 29m

$395

OntarioCancún

ONT Ontario - CUN Cancun

ONTCUN

Ontario

Sat 12/5

8:44 am-2:15 am

2 stops14h 31m

Cancun

Sat 12/12

11:35 am-11:58 pm

1 stop15h 23m

$458

OntarioCancún

ONT Ontario - CUN Cancun

ONTCUN

Ontario

Tue 12/1

2:00 pm-12:45 am

2 stops31h 45m

Cancun

Tue 12/8

2:58 pm-11:00 pm

1 stop11h 02m

$463

OntarioCancún

ONT Ontario - CUN Cancun

ONTCUN

Ontario

Tue 12/1

5:45 am-3:24 pm

1 stop6h 39m

Cancun

Tue 12/8

8:39 am-9:59 pm

1 stop16h 20m

$519

OntarioCancún

ONT Ontario - CUN Cancun

ONTCUN

Ontario

Mon 11/16

11:59 pm-2:06 pm

1 stop11h 07m

Cancun

Thu 11/19

5:19 pm-11:59 pm

1 stop9h 40m

$534

OntarioCancún

ONT Ontario - CUN Cancun

ONTCUN

Ontario

Mon 11/16

11:59 pm-2:55 pm

2 stops11h 56m

Cancun

Thu 11/19

2:29 pm-11:59 pm

1 stop12h 30m

$539

Quickest round-trip

OntarioCancún

ONT Ontario - CUN Cancun

ONTCUN

Ontario

Sun 12/13

5:00 am-3:45 pm

1 stop7h 45m

Cancun

Fri 12/18

4:10 pm-10:53 pm

1 stop9h 43m

$571

OntarioCancún

ONT Ontario - CUN Cancun

ONTCUN

Ontario

Sun 12/13

5:35 am-4:00 pm

1 stop7h 25m

Cancun

Sun 12/20

1:50 pm-10:00 pm

1 stop11h 10m

$573

OntarioCancún

ONT Ontario - CUN Cancun

ONTCUN

Ontario

Sun 12/13

5:35 am-4:00 pm

1 stop7h 25m

Cancun

Sun 12/20

12:20 pm-8:40 pm

2 stops11h 20m

$578

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Cancún

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

Prices

Airlines

Layovers

What is the typical price of a round-trip flight between Ontario and Cancún?

Prices are currently low for flights on this route.

Typical prices usually range from $474 to $638.
The lowest price recently found on this route was $393.

What is the cheapest month to fly to Cancún?

If you don’t want to visit Cancún in February, then you should wait until March to fly from Ontario, when ticket prices are also cheap, with an average price of $423.

What is the cheapest day to depart on your flight to Cancún?

The cheapest day to depart from Ontario to Cancún is on a Tuesday when prices can be found for as low as $574. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $628. These prices are subject to change though, so be sure to set up a Price Alert for flights to Cancún.

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

Our most recent data shows that the best time of day to fly to Cancún is in the morning. Flights from Ontario to Cancún during this time can be as low as $587. Flights to Cancún are more costly in the evening, with an average ticket price of $627. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight from Ontario to Cancún?

You are more likely to see cheaper flights to Cancún from Ontario when booking week ahead of your departure date. In general, you can expect to find flights to Cancún for around $500 when searching week out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Cancún from Ontario for as low as $415 on momondo.

How have Ontario to Cancún flight prices changed over time?

When to book flights from Ontario to Cancún

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Cancún according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Ontario to Cancún (ONT to CUN) flight deals and tips

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

Best Price Found	$185
Fastest flight time	6h 35m
Direct flights	None

The best one-way flight to Cancún from Ontario in the past 72 hours is $185. The best round-trip flight deal from Ontario to Cancún found on momondo in the last 72 hours is $393.

The fastest flight from Ontario to Cancún takes 6h 35m

There are no direct flights from Ontario to Cancún. There are no popular flight routes from Ontario to Cancún.

Search flight deals

Frequently asked questions about flying from Ontario to Cancún

How far is Ontario to Cancun by plane?
The straight-line distance from Ontario to Cancun is 2074.6 mi. By plane, this route typically takes 6h 35m.
When did momondo last update prices for flights from Ontario Airport to Cancun Airport?
Prices for flights from Ontario Airport to Cancun Airport were last updated today.
How many operators does momondo search for flights from Ontario Airport to Cancun Airport?
The number of operators available for flights from Ontario Airport to Cancun Airport is 4 as of October 2026.
How old do you have to be to fly from Ontario Airport to Cancun 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 Cancun Airport.
What documentation or ID do you need to fly to Cancun Airport?
The travel and health documents required for your trip to Cancun 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 Cancun 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 Cancún?
Based on momondo bookings for flights between Ontario and Cancún, the leading airline is Volaris, making up 66% of the total bookings. Other popular airlines include United Airlines with 14%, American Airlines with 13%, and Southwest with 8%.

Best airlines flying from Ontario to Cancún

Compare and see reviews for airlines that fly from Ontario to Cancún with momondo

Airline	Rating	Free Cancellation	Price
Volaris	PriceFrom $314	Free Cancellation	Rating 6.6 1,113 reviews	Search Volaris flights
United Airlines	PriceFrom $462	Free Cancellation	Rating 7.3 10,443 reviews	Search United Airlines flights
American Airlines	PriceFrom $488	Free Cancellation	Rating 7.0 12,187 reviews	Search American Airlines flights
Southwest	PriceFrom $516	Free Cancellation	Rating 7.9 4,220 reviews	Search Southwest flights

Playa del Carmen

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Holbox

Akumal

Puerto Aventuras

Punta Sam

Valladolid

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Cancún from Ontario.

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

Yes. momondo allows you to filter the results for Ontario to Cancún flights to just show those with flexible booking policies.

How can momondo help me find flights from Ontario to Cancún?

momondo provides multiple filters to help you find the best flight to Cancún from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Ontario to Cancún flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Airports servicing Quintana Roo

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Cheap flights from Ontario to Cancún from $185

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 Cancún departing on 4/13. 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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Volaris flights from Ontario to Cancún

Our best Volaris deals on Ontario to Cancún flight tickets

Frontier flights from Ontario to Cancún

Our best Frontier deals on Ontario to Cancún flight tickets

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See travel insights to Cancún from

How to get the cheapest flight ticket from Ontario to Cancún

What is the typical price of a round-trip flight between Ontario and Cancún?

What is the cheapest month to fly to Cancún?

What is the cheapest day to depart on your flight to Cancún?

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

How far in advance should I book a flight from Ontario to Cancún?

How have Ontario to Cancún flight prices changed over time?

What is the cheapest airline that flies from Ontario to Cancun?

What airlines fly to Cancún?

Which airport is the most popular layover for flights between Ontario and Cancún?

Which layover airport offers the lowest fares from Ontario to Cancún?

Which layover airport has the shortest travel time from Ontario to Cancún?

Which layover airport has the shortest connection time from Ontario to Cancún?

When to book flights from Ontario to Cancún

Cheap Ontario to Cancún (ONT to CUN) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Ontario to Cancún

Best airlines flying from Ontario to Cancún

Compare and see reviews for airlines that fly from Ontario to Cancún with momondo

Traveling to a place near Cancún?

Why use momondo?

An easier way to manage your Cancún trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Mexico

Airports servicing Quintana Roo

Fly your favorite airline to Cancún

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Cancún

List of cabin classes available on flights landing in Cancún. Availability may vary depending on flight origin and airline.

Popular cities in Mexico

Popular flights according to clicks in the last 7 days on momondo

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