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.

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

Delta, United Airlines, and Frontier are the most popular carriers operating from Cancun to Ontario

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.

$178 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.

1:43 pm - 9:24 pmCUN-ONT

9h 41m1 stop

1:15 pm - 1:18 pmONT-CUN

22h 03m1 stop

$308United Airlines

Find Deal

Tue, Oct 21 - Sat, Oct 25

1:37 pm - 8:44 pmCUN-ONT

10h 07m1 stop

6:05 am - 5:50 pmONT-CUN

8h 45m1 stop

$309United Airlines

Find Deal

Tue, Nov 4 - Tue, Nov 11

4:10 pm - 9:49 pmCUN-ONT

7h 39m1 stop

6:15 am - 3:05 pmONT-CUN

6h 50m1 stop

$354American Airlines

Find Deal

Thu, Oct 23 - Wed, Oct 29

6:05 pm - 11:59 pmCUN-ONT

7h 54m1 stop

6:15 am - 3:05 pmONT-CUN

6h 50m1 stop

$355American Airlines

Find Deal

Thu, Oct 23 - Wed, Oct 29

1:02 pm - 10:56 pmCUN-ONT

12h 54m1 stop

12:42 am - 3:28 pmONT-CUN

11h 46m1 stop

$394Volaris

Find Deal

Wed, Nov 5 - Tue, Nov 11

10:39 am - 8:11 pmCUN-ONT

12h 32m1 stop

11:59 pm - 10:25 amONT-CUN

7h 26m1 stop

$413Volaris

Find Deal

Thu, Nov 27 - Mon, Dec 1

4:58 pm - 11:59 pmCUN-ONT

10h 01m1 stop

5:57 pm - 3:43 pmONT-CUN

18h 46m2 stops

$510Frontier

Find Deal

Sat, Feb 14 - Sun, Mar 1

3:03 pm - 9:14 pmCUN-ONT

9h 11m1 stop

10:30 pm - 10:00 amONT-CUN

8h 30m1 stop

$520Aeromexico

Find Deal

Thu, Feb 5 - Thu, Feb 19

11:48 am - 11:57 pmCUN-ONT

15h 09m2 stops

12:58 am - 5:20 pmONT-CUN

13h 22m1 stop

$541Frontier

Find Deal

Thu, Nov 27 - Sun, Nov 30

6:00 am - 7:42 pmCUN-ONT

16h 42m2 stops

10:25 pm - 10:55 amONT-CUN

9h 30m1 stop

$968Aeromexico

Find Deal

Thu, Nov 27 - Mon, Dec 1

United Airlines flights from Cancún to Ontario

Our best United Airlines deals on Cancún to Ontario flight tickets

United Airlines

Oct 21

CUN1:43 pmCancun

9h 41m

1 stop

ONT9:24 pmOntario

Oct 25

ONT1:15 pmOntario

22h 03m

1 stop

CUN1:18 pmCancun

$308

Find similar

United Airlines

Nov 4

CUN1:37 pmCancun

10h 07m

1 stop

ONT8:44 pmOntario

Nov 11

ONT6:05 amOntario

8h 45m

1 stop

CUN5:50 pmCancun

$309

Find similar

United Airlines

Dec 26

CUN12:28 pmCancun

12h 24m

1 stop

ONT9:52 pmOntario

Jan 7

ONT6:00 amOntario

8h 20m

1 stop

CUN5:20 pmCancun

$330

Find similar

American Airlines flights from Cancún to Ontario

Our best American Airlines deals on Cancún to Ontario flight tickets

American Airlines

Oct 23

CUN4:10 pmCancun

7h 39m

1 stop

ONT9:49 pmOntario

Oct 29

ONT6:15 amOntario

6h 50m

1 stop

CUN3:05 pmCancun

$354

Find similar

American Airlines

Oct 23

CUN6:05 pmCancun

7h 54m

1 stop

ONT11:59 pmOntario

Oct 29

ONT6:15 amOntario

6h 50m

1 stop

CUN3:05 pmCancun

$355

Find similar

American Airlines

Oct 23

CUN4:10 pmCancun

7h 39m

1 stop

ONT9:49 pmOntario

Oct 29

ONT8:15 amOntario

6h 50m

1 stop

CUN5:05 pmCancun

$429

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CancúnOntario

CUN - ONT

CUNONT

Cancun

Tue 10/21

1:43 pm-9:24 pm

1 stop9h 41m

Ontario

Sat 10/25

1:15 pm-1:18 pm

1 stop22h 03m

$308

CancúnOntario

CUN - ONT

CUNONT

Cancun

Tue 11/4

1:37 pm-8:44 pm

1 stop10h 07m

Ontario

Tue 11/11

6:05 am-5:50 pm

1 stop8h 45m

$309

CancúnOntario

CUN - ONT

CUNONT

Cancun

Thu 10/23

4:10 pm-9:49 pm

1 stop7h 39m

Ontario

Wed 10/29

6:15 am-3:05 pm

1 stop6h 50m

$354

CancúnOntario

CUN - ONT

CUNONT

Cancun

Thu 10/23

6:05 pm-11:59 pm

1 stop7h 54m

Ontario

Wed 10/29

6:15 am-3:05 pm

1 stop6h 50m

$355

CancúnOntario

CUN - ONT

CUNONT

Cancun

Wed 11/5

1:02 pm-10:56 pm

1 stop12h 54m

Ontario

Tue 11/11

12:42 am-3:28 pm

1 stop11h 46m

$394

CancúnOntario

CUN - ONT

CUNONT

Cancun

Thu 11/27

10:39 am-8:11 pm

1 stop12h 32m

Ontario

Mon 12/1

11:59 pm-10:25 am

1 stop7h 26m

$413

CancúnOntario

CUN - ONT

CUNONT

Cancun

Sat 2/14

4:58 pm-11:59 pm

1 stop10h 01m

Ontario

Sun 3/1

5:57 pm-3:43 pm

2 stops18h 46m

$510

CancúnOntario

CUN - ONT

CUNONT

Cancun

Thu 2/5

3:03 pm-9:14 pm

1 stop9h 11m

Ontario

Thu 2/19

10:30 pm-10:00 am

1 stop8h 30m

$520

CancúnOntario

CUN - ONT

CUNONT

Cancun

Thu 11/27

11:48 am-11:57 pm

2 stops15h 09m

Ontario

Sun 11/30

12:58 am-5:20 pm

1 stop13h 22m

$541

CancúnOntario

CUN - ONT

CUNONT

Cancun

Thu 11/27

6:00 am-7:42 pm

2 stops16h 42m

Ontario

Mon 12/1

10:25 pm-10:55 am

1 stop9h 30m

$968

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 October 2025, prices for Cancún to Ontario flights are approximately 81% 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 39m 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.