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Cheap flights from Cancún to Los Angeles from $145

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Cancún to Los Angeles departing on 5/23. 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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0 bags

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Find the cheapest flights from Cancún to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
1:59 pm - 5:49 pm
CUN
-
ONT
29h 50m
1 stop
Frontier Logo
10:49 am - 12:49 pm
ONT
-
CUN
24h 00m
1 stop
$324Frontier
Wed, Jul 29 - Wed, Aug 5
Multiple Airlines Logo
3:39 pm - 10:05 am
CUN
-
ONT
20h 26m
1 stop
Multiple Airlines Logo
9:36 pm - 9:55 am
ONT
-
CUN
10h 19m
1 stop
$339Multiple Airlines
Thu, May 28 - Fri, Aug 28
Frontier Logo
3:35 pm - 11:50 pm
CUN
-
ONT
10h 15m
1 stop
Frontier Logo
3:34 pm - 2:13 pm
ONT
-
CUN
20h 39m
2 stops
$342Frontier
Sat, Aug 15 - Tue, Aug 18
Frontier Logo
3:35 pm - 11:50 pm
CUN
-
ONT
10h 15m
1 stop
Frontier Logo
6:47 pm - 9:51 am
ONT
-
CUN
13h 04m
1 stop
$346Frontier
Sat, Aug 15 - Tue, Aug 18
Frontier Logo
3:35 pm - 11:50 pm
CUN
-
ONT
10h 15m
1 stop
Frontier Logo
3:40 pm - 1:44 pm
ONT
-
CUN
20h 04m
2 stops
$348Frontier
Thu, Aug 6 - Tue, Aug 11
Frontier Logo
3:39 pm - 10:05 am
CUN
-
ONT
20h 26m
1 stop
Frontier Logo
6:00 am - 12:04 pm
ONT
-
CUN
28h 04m
1 stop
$350Frontier
Thu, May 21 - Thu, May 28
Frontier Logo
3:39 pm - 10:05 am
CUN
-
ONT
20h 26m
1 stop
Frontier Logo
8:03 am - 9:55 am
ONT
-
CUN
23h 52m
1 stop
$354Frontier
Sat, May 23 - Fri, May 29
Frontier Logo
3:39 pm - 10:05 am
CUN
-
ONT
20h 26m
1 stop
Frontier Logo
8:06 pm - 2:29 pm
ONT
-
CUN
16h 23m
1 stop
$365Frontier
Mon, Jun 1 - Fri, Jun 5
Frontier Logo
3:35 pm - 11:50 pm
CUN
-
ONT
10h 15m
1 stop
Frontier Logo
6:47 pm - 9:52 am
ONT
-
CUN
13h 05m
1 stop
$373Frontier
Thu, Aug 6 - Tue, Aug 11
Multiple Airlines Logo
1:14 pm - 7:48 am
CUN
-
ONT
20h 34m
1 stop
Multiple Airlines Logo
12:55 am - 3:28 pm
ONT
-
CUN
12h 33m
1 stop
$375Multiple Airlines
Fri, May 29 - Sun, Aug 30

Frontier flights from Cancún to Ontario

Our best Frontier deals on Cancún to Ontario flight tickets
Frontier
Jul 29
CUN1:59 pmCancun
29h 50m
1 stop
ONT5:49 pmOntario
Aug 5
ONT10:49 amOntario
24h 00m
1 stop
CUN12:49 pmCancun
$324
Frontier
Aug 15
CUN3:35 pmCancun
10h 15m
1 stop
ONT11:50 pmOntario
Aug 18
ONT3:34 pmOntario
20h 39m
2 stops
CUN2:13 pmCancun
$342
Frontier
Aug 15
CUN3:35 pmCancun
10h 15m
1 stop
ONT11:50 pmOntario
Aug 18
ONT6:47 pmOntario
13h 04m
1 stop
CUN9:51 amCancun
$346

Volaris flights from Cancún to Ontario

Our best Volaris deals on Cancún to Ontario flight tickets
Volaris
Jun 10
CUN10:40 amCancun
11h 06m
1 stop
ONT7:46 pmOntario
Sep 10
ONT9:36 pmOntario
12h 18m
1 stop
CUN11:54 amCancun
$390
Volaris
Jun 29
CUN3:35 pmCancun
10h 14m
1 stop
ONT11:49 pmOntario
Jul 6
ONT9:36 pmOntario
10h 19m
1 stop
CUN9:55 amCancun
$396
Volaris
May 20
CUN10:40 amCancun
11h 06m
1 stop
ONT7:46 pmOntario
May 22
ONT12:55 amOntario
12h 33m
1 stop
CUN3:28 pmCancun
$412

momondo Fare Finder

 
Customize your flight search to find flights from Cancún to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated May 3, 2026.
Use the filters below to find and compare flights from Cancún to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CancúnOntario

CUN - ONT

CUNONT

Cancun

Wed 7/29

1:59 pm-5:49 pm

1 stop29h 50m

Ontario

Wed 8/5

10:49 am-12:49 pm

1 stop24h 00m

$324

CancúnOntario

CUN - ONT

CUNONT

Cancun

Thu 5/28

3:39 pm-10:05 am

1 stop20h 26m

Ontario

Fri 8/28

9:36 pm-9:55 am

1 stop10h 19m

$339

CancúnOntario

CUN - ONT

CUNONT

Cancun

Sat 8/15

3:35 pm-11:50 pm

1 stop10h 15m

Ontario

Tue 8/18

3:34 pm-2:13 pm

2 stops20h 39m

$342
Quickest round-trip

CancúnOntario

CUN - ONT

CUNONT

Cancun

Sat 8/15

3:35 pm-11:50 pm

1 stop10h 15m

Ontario

Tue 8/18

6:47 pm-9:51 am

1 stop13h 04m

$346

CancúnOntario

CUN - ONT

CUNONT

Cancun

Thu 8/6

3:35 pm-11:50 pm

1 stop10h 15m

Ontario

Tue 8/11

3:40 pm-1:44 pm

2 stops20h 04m

$348

CancúnOntario

CUN - ONT

CUNONT

Cancun

Thu 5/21

3:39 pm-10:05 am

1 stop20h 26m

Ontario

Thu 5/28

6:00 am-12:04 pm

1 stop28h 04m

$350

CancúnOntario

CUN - ONT

CUNONT

Cancun

Sat 5/23

3:39 pm-10:05 am

1 stop20h 26m

Ontario

Fri 5/29

8:03 am-9:55 am

1 stop23h 52m

$354

CancúnOntario

CUN - ONT

CUNONT

Cancun

Mon 6/1

3:39 pm-10:05 am

1 stop20h 26m

Ontario

Fri 6/5

8:06 pm-2:29 pm

1 stop16h 23m

$365

CancúnOntario

CUN - ONT

CUNONT

Cancun

Thu 8/6

3:35 pm-11:50 pm

1 stop10h 15m

Ontario

Tue 8/11

6:47 pm-9:52 am

1 stop13h 05m

$373

CancúnOntario

CUN - ONT

CUNONT

Cancun

Fri 5/29

1:14 pm-7:48 am

1 stop20h 34m

Ontario

Sun 8/30

12:55 am-3:28 pm

1 stop12h 33m

$375

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Los Angeles from

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

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

What is the cheapest month to fly to Ontario?

In general, August is the cheapest month to fly from Cancún to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you aren’t able to travel during the month of August, then book flights to Ontario from Cancún during March instead. Flights to Ontario in March, while not as cheap as those in August, still average around $0.

How have Cancún to Ontario flight prices changed over time?

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

Fastest flight time

8h 28m

Direct flights

None
The fastest flight from Cancún to Ontario takes 8h 28m
There are no direct flights from Cancún to Ontario. There are no popular flight routes from Cancún to Ontario.
Search flight deals

Frequently asked questions about flying from Cancún to Ontario

  • How far is Cancun to Ontario by plane?

    The distance between Cancun and Ontario is about 2074.6 mi. Typically, this will take 8h 28m 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.

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