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

United Airlines is the most popular carrier operating from Cancun to Ontario

What airlines fly to Ontario?

United Airlines, Delta and Aeromexico are the top three most popular airlines that fly to Ontario from Cancún according to our data. United Airlines is the first choice among our users, with 63% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 3 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Cancun Airport to Ontario Airport are refreshed on a daily basis.

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

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

The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$128 Cheap Flights from Cancún to Ontario in 2025/26

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Find the cheapest flights from Cancún to Los Angeles

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

4:58 pm - 10:39 pmCUN-ONT

8h 41m1 stop

1:37 pm - 10:35 amONT-CUN

17h 58m2 stops

$295Frontier

Find Deal

Wed, Feb 18 - Wed, Feb 25

11:50 am - 6:01 pmCUN-ONT

9h 11m1 stop

1:37 pm - 10:35 amONT-CUN

17h 58m2 stops

$297Frontier

Find Deal

Thu, Feb 26 - Sat, Feb 28

11:40 am - 12:20 amCUN-ONT

15h 40m2 stops

3:04 pm - 1:47 pmONT-CUN

19h 43m2 stops

$313Frontier

Find Deal

Thu, Jan 29 - Sat, Feb 7

1:02 pm - 10:52 pmCUN-ONT

12h 50m1 stop

12:42 am - 12:05 pmONT-CUN

8h 23m1 stop

$319Volaris

Find Deal

Thu, Jan 15 - Tue, Jan 20

4:58 pm - 11:59 pmCUN-ONT

10h 01m1 stop

6:45 am - 5:12 pmONT-CUN

7h 27m1 stop

$325Frontier

Find Deal

Tue, Dec 30 - Sat, Jan 3

4:58 pm - 11:59 pmCUN-ONT

10h 01m1 stop

6:45 am - 5:12 pmONT-CUN

7h 27m1 stop

$332Frontier

Find Deal

Thu, Dec 25 - Wed, Dec 31

2:44 pm - 9:59 pmCUN-ONT

10h 15m1 stop

6:00 am - 5:50 pmONT-CUN

8h 50m1 stop

$337United Airlines

Find Deal

Thu, Feb 26 - Sat, Feb 28

4:51 pm - 9:58 pmCUN-ONT

8h 07m1 stop

8:00 am - 5:50 pmONT-CUN

6h 50m1 stop

$338United Airlines

Find Deal

Fri, Jan 23 - Tue, Feb 10

4:51 pm - 9:49 pmCUN-ONT

7h 58m1 stop

6:00 am - 3:59 pmONT-CUN

6h 59m1 stop

$339United Airlines

Find Deal

Fri, Dec 5 - Sun, Dec 7

4:58 pm - 11:59 pmCUN-ONT

10h 01m1 stop

10:18 pm - 4:57 pmONT-CUN

15h 39m2 stops

$342Frontier

Find Deal

Sun, Dec 21 - Sun, Jan 11

Frontier flights from Cancún to Ontario

Our best Frontier deals on Cancún to Ontario flight tickets

Frontier

Feb 18

CUN4:58 pmCancun

8h 41m

1 stop

ONT10:39 pmOntario

Feb 25

ONT1:37 pmOntario

17h 58m

2 stops

CUN10:35 amCancun

$295

Find similar

Frontier

Feb 26

CUN11:50 amCancun

9h 11m

1 stop

ONT6:01 pmOntario

Feb 28

ONT1:37 pmOntario

17h 58m

2 stops

CUN10:35 amCancun

$297

Find similar

Frontier

Jan 29

CUN11:40 amCancun

15h 40m

2 stops

ONT12:20 amOntario

Feb 7

ONT3:04 pmOntario

19h 43m

2 stops

CUN1:47 pmCancun

$313

Find similar

Volaris flights from Cancún to Ontario

Our best Volaris deals on Cancún to Ontario flight tickets

Volaris

Jan 15

CUN1:02 pmCancun

12h 50m

1 stop

ONT10:52 pmOntario

Jan 20

ONT12:42 amOntario

8h 23m

1 stop

CUN12:05 pmCancun

$319

Find similar

Volaris

Feb 22

CUN10:39 amCancun

12h 32m

1 stop

ONT8:11 pmOntario

Feb 25

ONT11:34 pmOntario

12h 54m

1 stop

CUN3:28 pmCancun

$351

Find similar

Volaris

Feb 22

CUN10:39 amCancun

12h 32m

1 stop

ONT8:11 pmOntario

Feb 24

ONT12:42 amOntario

8h 28m

1 stop

CUN12:10 pmCancun

$353

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CancúnOntario

CUN - ONT

CUNONT

Cancun

Wed 2/18

4:58 pm-10:39 pm

1 stop8h 41m

Ontario

Wed 2/25

1:37 pm-10:35 am

2 stops17h 58m

$295

CancúnOntario

CUN - ONT

CUNONT

Cancun

Thu 2/26

11:50 am-6:01 pm

1 stop9h 11m

Ontario

Sat 2/28

1:37 pm-10:35 am

2 stops17h 58m

$297

CancúnOntario

CUN - ONT

CUNONT

Cancun

Thu 1/29

11:40 am-12:20 am

2 stops15h 40m

Ontario

Sat 2/7

3:04 pm-1:47 pm

2 stops19h 43m

$313

CancúnOntario

CUN - ONT

CUNONT

Cancun

Thu 1/15

1:02 pm-10:52 pm

1 stop12h 50m

Ontario

Tue 1/20

12:42 am-12:05 pm

1 stop8h 23m

$319

CancúnOntario

CUN - ONT

CUNONT

Cancun

Tue 12/30

4:58 pm-11:59 pm

1 stop10h 01m

Ontario

Sat 1/3

6:45 am-5:12 pm

1 stop7h 27m

$325

CancúnOntario

CUN - ONT

CUNONT

Cancun

Thu 12/25

4:58 pm-11:59 pm

1 stop10h 01m

Ontario

Wed 12/31

6:45 am-5:12 pm

1 stop7h 27m

$332

CancúnOntario

CUN - ONT

CUNONT

Cancun

Thu 2/26

2:44 pm-9:59 pm

1 stop10h 15m

Ontario

Sat 2/28

6:00 am-5:50 pm

1 stop8h 50m

$337

CancúnOntario

CUN - ONT

CUNONT

Cancun

Fri 1/23

4:51 pm-9:58 pm

1 stop8h 07m

Ontario

Tue 2/10

8:00 am-5:50 pm

1 stop6h 50m

$338

CancúnOntario

CUN - ONT

CUNONT

Cancun

Fri 12/5

4:51 pm-9:49 pm

1 stop7h 58m

Ontario

Sun 12/7

6:00 am-3:59 pm

1 stop6h 59m

$339

CancúnOntario

CUN - ONT

CUNONT

Cancun

Sun 12/21

4:58 pm-11:59 pm

1 stop10h 01m

Ontario

Sun 1/11

10:18 pm-4:57 pm

2 stops15h 39m

$342

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 Cancún to Ontario

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

How have Cancún to Ontario flight prices changed over time?

As of November 2025, prices for Cancún to Ontario flights are approximately 72% more expensive when compared to flights at the same time last year.

When to book flights from Cancún to Ontario

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

Estimated round-trip price

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

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

Direct flights	None

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

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How far is Cancun to Ontario by plane?
The distance between Cancun and Ontario is about 2074.6 mi. Typically, this will take 7h 58m by plane in normal conditions.
When did momondo last update prices for flights from Cancun Airport to Ontario Airport?
Prices for flights from Cancun Airport to Ontario Airport are refreshed on a daily basis.
How old do you have to be to fly from Cancun Airport to Ontario 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 Cancun Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

Finding the right flight to Ontario from Cancún is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ontario quick and easy, saving you time and money.

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

All flight searches from Cancún to Ontario on momondo can be filtered to show those which offer flexible booking policies.

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

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

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

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Cancún and alert you when they change.