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$73+ Cheap flights from Ontario (ONT) to Mexico

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CUN
Feb 11 — Feb 181
Tue 2/11
Tue 2/18
1 adult, Economy
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Cheap flight deals from Ontario to Mexico

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Mexico (MX0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 6, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$166
(Mytrip)

One-way from

$73
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$362

Good round-trip deal

$285 or less

Good one-way deal

$123 or less
Provider with most accurate pricing for Los Angeles-Mexico City Benito Juarez flight deals.
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From Ontario to Mexico
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One-way flight from Ontario to Mexico
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Highest demand for flights based on searches. 5% potential increase in price ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Ontario to Mexico.
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Price to beat on a one-way flight from Ontario to Mexico.
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Find flight deals from Ontario to Mexico

Cheapest flights from Ontario to Mexico
Explore the most affordable flight options available from Ontario to Mexico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 6, 2025.

This Mytrip deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/68:33 pmONT - GDL
Nonstop2h 59mVolaris
Thu 3/208:58 pmGDL - ONT
Nonstop3h 21mVolaris
Deal found 2/5$166
This Kiwi.com deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/169:13 pmONT - GDL
Nonstop2h 58mMultiple Airlines
Wed 3/266:24 amGDL - ONT
1 stop12h 35mMultiple Airlines
Deal found 2/5$215
This Mytrip deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/229:19 pmONT - SJD
1 stop10h 31mVolaris
Tue 3/2511:55 amSJD - ONT
1 stop7h 28mVolaris
Deal found 2/6$232
This Trip.com deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/2312:59 amONT - CUN
1 stop10h 35mFrontier
Tue 3/112:05 pmCUN - ONT
1 stop11h 59mFrontier
Deal found 2/5$239
This Kiwi.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/18:56 pmONT - CUN
1 stop15h 14mMultiple Airlines
Wed 3/53:49 pmCUN - ONT
1 stop11h 17mMultiple Airlines
Deal found 2/6$244
This Mytrip deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/169:13 pmONT - PVR
1 stop14h 10mVolaris
Wed 3/191:05 pmPVR - ONT
1 stop7h 24mVolaris
Deal found 2/5$245
This Kiwi.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/109:19 pmONT - PVR
1 stop10h 06mMultiple Airlines
Fri 3/145:50 pmPVR - ONT
1 stop6h 29mMultiple Airlines
Deal found 2/6$246
This Mytrip deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/249:19 pmONT - MEX
1 stop9h 51mVolaris
Fri 3/284:45 amMEX - ONT
1 stop15h 44mVolaris
Deal found 2/6$259
This Kiwi.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/159:36 pmONT - MEX
2 stops26h 44mMultiple Airlines
Tue 3/185:50 pmMEX - ONT
1 stop6h 29mMultiple Airlines
Deal found 2/6$286
This Mytrip deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/38:56 pmONT - CUN
2 stops15h 44mVolaris
Thu 3/138:00 amCUN - ONT
1 stop13h 23mVolaris
Deal found 2/6$302
This Mytrip deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/68:33 pmONT - OAX
1 stop10h 19mVolaris
Wed 3/124:37 pmOAX - ONT
1 stop7h 42mVolaris
Deal found 2/5$309
This Kiwi.com deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/312:58 amONT - SJD
1 stop8h 44mMultiple Airlines
Fri 3/77:30 amSJD - ONT
2 stops14h 15mMultiple Airlines
Deal found 2/5$329

Find flights from Ontario to Mexico within your budget

Customize your flight search to find flights from Ontario to Mexico 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, Cheapflights users made 2,558,603 searches. Data last updated February 6, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioGuadalajara

ONT - GDL

ONTGDL

Ontario

Thu 3/6

8:33 pm-1:32 am

Nonstop2h 59m

Guadalajara Miguel Hidal

Thu 3/20

8:58 pm-11:19 pm

Nonstop3h 21m

$166

OntarioGuadalajara

ONT - GDL

ONTGDL

Ontario

Thu 3/27

9:13 pm-1:11 am

Nonstop2h 58m

Guadalajara Miguel Hidal

Sun 3/30

4:55 pm-7:26 am

1 stop15h 31m

$212

OntarioSan José del Cabo

ONT - SJD

ONTSJD

Ontario

Sat 3/22

9:19 pm-11:16 am

1 stop13h 57m

San José del Cabo Los Cabos

Tue 3/25

11:55 am-7:23 pm

1 stop7h 28m

$231

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Sun 2/23

12:59 am-2:34 pm

1 stop10h 35m

Cancun

Tue 3/11

2:05 pm-12:04 am

1 stop11h 59m

$239

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Sat 3/1

8:56 pm-3:10 pm

1 stop15h 14m

Cancun

Wed 3/5

3:49 pm-12:06 am

1 stop11h 17m

$244

OntarioPuerto Vallarta

ONT - PVR

ONTPVR

Ontario

Sun 3/16

9:13 pm-12:23 pm

1 stop14h 10m

Puerto Vallarta Ordaz

Wed 3/19

1:05 pm-7:29 pm

1 stop7h 24m

$245

OntarioPuerto Vallarta

ONT - PVR

ONTPVR

Ontario

Mon 3/10

9:19 pm-8:25 am

1 stop10h 06m

Puerto Vallarta Ordaz

Fri 3/14

5:50 pm-11:19 pm

1 stop6h 29m

$246

OntarioMexico City

ONT - MEX

ONTMEX

Ontario

Mon 3/24

9:19 pm-8:10 am

1 stop9h 51m

Mexico City Benito Juarez

Fri 3/28

4:45 am-7:29 pm

1 stop15h 44m

$259

OntarioMexico City

ONT - MEX

ONTMEX

Ontario

Sat 3/15

9:36 pm-1:20 am

2 stops26h 44m

Mexico City Benito Juarez

Tue 3/18

5:50 pm-11:19 pm

1 stop6h 29m

$286

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Mon 3/3

8:56 pm-3:40 pm

2 stops15h 44m

Cancun

Thu 3/13

8:00 am-7:23 pm

1 stop13h 23m

$302

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/6

Showing 1-10 of 60 results
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Best time to book a flight from Ontario to Mexico

Have a flexible travel schedule? Discover the best time to fly to Mexico from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Ontario to Mexico

Get recent, data-driven insights about flights from Ontario to Mexico including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Ontario to Mexico?

Currently, January is the cheapest month in which you can book a flight from Ontario to Mexico (average of $360). Flying from Ontario to Mexico in March is currently the most expensive (average of $492). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ONT to MX?

Find hourly flight availability from Ontario to Mexico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 6, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Mexico as you normally would.

Rainfall in Mexico by month

Plan your trip to Mexico by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Mexico ranges from 0.0 - 4.7 inches per month. July is typically the wettest month, when rainfall can reach 4.7 in. January is typically the driest time to visit Mexico when rainfall is around 0.0 in.

Temperature in Mexico by month

Plan your trip to Mexico by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Mexico, use this chart to help with planning. For those seeking warmer temperatures, May is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 55.4 F).

Reviews of airlines servicing Mexico

Get insights into the airlines that provide service to Mexico. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Mexico. Reviews last updated February 6, 2025.
See what other customers who have flown with Southwest, Alaska Airlines and Delta from Ontario to Mexico have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,553 reviews

Comfort

8.1

Entertainment

7.7

Food

7.1

Crew

8.7

Boarding

8.2

Overall

8.1

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Southwest
8.1
Very good
4,553 reviews
Southwest
8.1
Very good
4,553 reviews

Comfort

8.1

Entertainment

7.7

Food

7.1

Crew

8.7

Boarding

8.2

Overall

8.1

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Alaska Airlines
8.0
Very good
9,696 reviews
Southwest
8.1
Very good
4,553 reviews

Comfort

8.1

Entertainment

7.7

Food

7.1

Crew

8.7

Boarding

8.2

Overall

8.1

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Delta
8.0
Very good
8,388 reviews
Southwest
8.1
Very good
4,553 reviews

Comfort

8.1

Entertainment

7.7

Food

7.1

Crew

8.7

Boarding

8.2

Overall

8.1

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Aeromexico
7.5
Good
1,816 reviews
Southwest
8.1
Very good
4,553 reviews

Comfort

8.1

Entertainment

7.7

Food

7.1

Crew

8.7

Boarding

8.2

Overall

8.1

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

United Airlines
7.4
Good
8,879 reviews
Southwest
8.1
Very good
4,553 reviews

Comfort

8.1

Entertainment

7.7

Food

7.1

Crew

8.7

Boarding

8.2

Overall

8.1

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Related info for your journey

Find useful and relevant information for your journey from Ontario to Mexico. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ontario to Mexico?

    For a flight from Ontario to Mexico, you will be flying from Ontario. Ontario (ONT) is just 3.1 mi from the center of the city.

  • What are the cheapest airlines to fly from Ontario to Mexico one-way?

    To fly one-way, consider booking your trip with Volaris, which is currently one of the cheapest options available, starting at $77. Frontier flights start at $101 while deals on British Airways start at $174 one-way.

  • What are the most popular routes from Ontario to Mexico?

    Most travelers choose Ontario - Mexico City Benito Juarez, Ontario - Cancun or Ontario - Guadalajara Miguel Hidal when deciding on the best route from Ontario to Mexico.

  • Can I find deals for flights from Ontario to Mexico that include hotel bookings?

    Yes. In addition to deals on Ontario to Mexico flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Mexico?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Mexico.

  • Can I find deals for business class flights from Ontario to Mexico?

    Yes. Cheapflights offers flight deals from Ontario to Mexico by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Mexico?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Mexico (average of $360). Flying from Ontario to Mexico in March is currently the most expensive (average of $492). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Ontario to Mexico

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Ontario to Mexico

Discover the top 10 airlines that operate flights from Ontario to Mexico. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$149Average$453FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$165Average$454FlexibilityNo cancel feeOn-time75%
FrontierCheapest$169Average$400FlexibilityNo cancel feeOn-time62%
AeromexicoCheapest$170Average$457FlexibilityNo cancel feeOn-timeN/A
VivaCheapest$207Average$426FlexibilityNo cancel feeOn-timeN/A
VolarisCheapest$231Average$401FlexibilityNo cancel feeOn-time79%
JetBlueCheapest$271Average$445FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$275Average$609FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$316Average$581FlexibilityNo cancel feeOn-time69%
AviancaCheapest$340Average$420FlexibilityNo cancel feeOn-time71%
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