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$61+ 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 6/16. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MEX
Mar 19 — Mar 261
Wed 3/19
Wed 3/26
1 adult, Economy
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Cheap flight deals from Ontario to Mexico

Keep the following information in mind while searching for Ontario to Mexico flight deals. Data was last updated March 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$167
(Mytrip)

One-way from

$61
(Mytrip)

Popular in

December

Cheapest in

February

Average price

$344

Good round-trip deal

$263 or less

Good one-way deal

$150 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. 6% potential increase in price ($27 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 14, 2025.

This Mytrip deal was found by Cheapflights users on 3/12. 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.
Wed 4/99:23 pmONT - GDL
Nonstop2h 58mVolaris
Thu 5/88:58 pmGDL - ONT
Nonstop3h 15mVolaris
Deal found 3/12$167
This Gotogate deal was found by Cheapflights users on 3/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/69:23 pmONT - OAX
1 stop12h 17mVolaris
Wed 5/144:37 pmOAX - ONT
1 stop7h 36mVolaris
Deal found 3/13$184
This Mytrip deal was found by Cheapflights users on 3/13. 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.
Wed 5/149:23 pmONT - PVR
1 stop10h 31mVolaris
Tue 5/201:05 pmPVR - ONT
1 stop11h 08mVolaris
Deal found 3/13$187
This Mytrip deal was found by Cheapflights users on 3/13. 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 6/221:09 amONT - SJD
1 stop6h 33mVolaris
Thu 6/2611:53 amSJD - ONT
1 stop11h 20mVolaris
Deal found 3/13$194
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 4/59:23 pmONT - GDL
Nonstop2h 58mMultiple Airlines
Wed 4/166:00 amGDL - ONT
2 stops13h 58mMultiple Airlines
Deal found 3/12$226
This Gotogate deal was found by Cheapflights users on 3/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/161:09 amONT - MEX
1 stop7h 31mVolaris
Wed 7/24:30 pmMEX - ONT
1 stop7h 43mVolaris
Deal found 3/13$232
This Mytrip deal was found by Cheapflights users on 3/12. 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.
Tue 3/251:09 amONT - SJD
2 stops20h 38mMultiple Airlines
Wed 4/24:40 pmSJD - ONT
2 stops30h 33mMultiple Airlines
Deal found 3/12$264
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
Tue 4/89:23 pmONT - CUN
1 stop11h 02mMultiple Airlines
Fri 4/1111:05 amCUN - ONT
1 stop22h 34mMultiple Airlines
Deal found 3/13$270
This Kiwi.com deal was found by Cheapflights users on 3/14. 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.
Tue 5/209:23 pmONT - MEX
1 stop11h 32mMultiple Airlines
Thu 5/224:00 pmMEX - ONT
1 stop8h 13mMultiple Airlines
Deal found 3/14$273
This Mytrip deal was found by Cheapflights users on 3/13. 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 4/279:23 pmONT - PVR
1 stop13h 55mMultiple Airlines
Fri 5/210:45 pmPVR - ONT
1 stop25h 28mMultiple Airlines
Deal found 3/13$277
This Mytrip deal was found by Cheapflights users on 3/13. 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.
Tue 5/279:23 pmONT - CUN
1 stop15h 03mVolaris
Thu 6/58:00 amCUN - ONT
1 stop17h 13mVolaris
Deal found 3/13$286
This Kiwi.com deal was found by Cheapflights users on 3/14. 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.
Tue 7/812:59 amONT - CUN
1 stop12h 21mFrontier
Tue 7/153:25 pmCUN - ONT
1 stop10h 25mFrontier
Deal found 3/14$314

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 March 14, 2025.

Fly from

Ontario

Fly to

Mexico

Route

Depart

Return

Price

OntarioGuadalajara

ONT - GDL

ONTGDL

Ontario

Wed 4/9

9:23 pm-1:21 am

Nonstop2h 58m

Guadalajara Miguel Hidal

Thu 5/8

8:58 pm-11:13 pm

Nonstop3h 15m

$167

OntarioOaxaca

ONT - OAX

ONTOAX

Ontario

Tue 5/6

9:23 pm-10:40 am

1 stop12h 17m

Oaxaca Xoxocotlan

Wed 5/14

4:37 pm-11:13 pm

1 stop7h 36m

$184

OntarioPuerto Vallarta

ONT - PVR

ONTPVR

Ontario

Wed 5/14

9:23 pm-8:54 am

1 stop10h 31m

Puerto Vallarta Ordaz

Tue 5/20

1:05 pm-11:13 pm

1 stop11h 08m

$187

OntarioSan José del Cabo

ONT - SJD

ONTSJD

Ontario

Mon 5/26

9:23 pm-7:47 am

1 stop10h 24m

San José del Cabo Los Cabos

Thu 5/29

8:22 am-7:32 pm

1 stop11h 10m

$225

OntarioGuadalajara

ONT - GDL

ONTGDL

Ontario

Sat 4/5

9:23 pm-1:21 am

Nonstop2h 58m

Guadalajara Miguel Hidal

Wed 4/16

6:00 am-6:58 pm

2 stops13h 58m

$226

OntarioMexico City

ONT - MEX

ONTMEX

Ontario

Mon 6/16

1:09 am-9:40 am

1 stop7h 31m

Mexico City Benito Juarez

Wed 7/2

4:30 pm-11:13 pm

1 stop7h 43m

$232

OntarioSan José del Cabo

ONT - SJD

ONTSJD

Ontario

Tue 3/25

1:09 am-9:47 pm

2 stops20h 38m

San José del Cabo Los Cabos

Wed 4/2

4:40 pm-11:13 pm

2 stops30h 33m

$264

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Tue 4/8

9:23 pm-10:25 am

1 stop11h 02m

Cancun

Fri 4/11

11:05 am-7:39 am

1 stop22h 34m

$270

OntarioMexico City

ONT - MEX

ONTMEX

Ontario

Tue 5/20

9:23 pm-9:55 am

1 stop11h 32m

Mexico City Benito Juarez

Thu 5/22

4:00 pm-11:13 pm

1 stop8h 13m

$273

OntarioPuerto Vallarta

ONT - PVR

ONTPVR

Ontario

Sun 4/27

9:23 pm-12:18 pm

1 stop13h 55m

Puerto Vallarta Ordaz

Fri 5/2

10:45 pm-11:13 pm

1 stop25h 28m

$277

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/13

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, May is the cheapest month in which you can book a flight from Ontario to Mexico (average of $400). Flying from Ontario to Mexico in December is currently the most expensive (average of $615). 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 March 14, 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 March 14, 2025.
See what other customers who have flown with Alaska Airlines, Delta and Aeromexico 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.
Alaska Airlines
8.0
Very good
9,735 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.9

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,735 reviews
Alaska Airlines
8.0
Very good
9,735 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.9

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta
8.0
Very good
7,944 reviews
Alaska Airlines
8.0
Very good
9,735 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.9

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Aeromexico
7.5
Good
1,722 reviews
Alaska Airlines
8.0
Very good
9,735 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.9

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines
7.4
Good
8,623 reviews
Alaska Airlines
8.0
Very good
9,735 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.9

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

JetBlue
7.3
Good
2,953 reviews
Alaska Airlines
8.0
Very good
9,735 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.9

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 $61. Frontier flights start at $148 while deals on Delta start at $165 one-way.

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

    Most travelers choose Ontario - Mexico City Benito Juarez, Ontario - Cancun or Ontario - San José del Cabo Los Cabos 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, May is the cheapest month in which you can book a flight from Ontario to Mexico (average of $400). Flying from Ontario to Mexico in December is currently the most expensive (average of $615). 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.

See more FAQs

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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 March 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$149Average$459FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$155Average$393FlexibilityNo cancel feeOn-time62%
AeromexicoCheapest$170Average$457FlexibilityNo cancel feeOn-timeN/A
VolarisCheapest$202Average$376FlexibilityNo cancel feeOn-time79%
VivaCheapest$211Average$411FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$271Average$445FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$275Average$606FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$286Average$459FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$316Average$584FlexibilityNo cancel feeOn-time69%
AviancaCheapest$340Average$420FlexibilityNo cancel feeOn-time71%
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