HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Mexico

$102+ 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 7/27. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MEX
abr. 15 — abr. 221
mar. 4/15
mar. 4/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Mexico with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 abril 10, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$271
(Gotogate)

One-way from

$128
(CheapOair)

Popular in

December

Cheapest in

March

Average price

$370

Good round-trip deal

$234 or less

Good one-way deal

$89 or less
Provider with most accurate pricing for Los Angeles-Mexico City Benito Juarez flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Mexico City Benito Juarez flights.
Search Deals
From Ontario to Mexico
Search Deals
One-way flight from Ontario to Mexico
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals
Price to beat on a round-trip flight from Ontario to Mexico.
Search Deals
Price to beat on a one-way flight from Ontario to Mexico.
Search Deals

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 abril 10, 2025.

This Gotogate deal was found by Cheapflights users on 4/10. 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.
mié. 7/912:40 pmONT - SJD
Nonstop2h 24mVolaris
dom. 7/133:54 pmSJD - ONT
Nonstop2h 25mVolaris
Deal found 4/10$272
This Gotogate deal was found by Cheapflights users on 4/9. 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.
mié. 11/58:20 pmONT - BJX
Nonstop3h 30mVolaris
mar. 11/119:30 amBJX - ONT
Nonstop3h 30mVolaris
Deal found 4/9$298
This eDestinos deal was found by Cheapflights users on 4/9. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/89:23 pmONT - GDL
Nonstop2h 58mVolaris
sáb. 5/175:17 pmGDL - ONT
Nonstop3h 15mVolaris
Deal found 4/9$310
This Delta deal was found by Cheapflights users on 4/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/65:45 amONT - SJD
1 stop8h 20mDelta
mar. 5/132:10 pmSJD - ONT
1 stop9h 32mDelta
Deal found 4/9$310
This Kiwi.com deal was found by Cheapflights users on 4/8. 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.
jue. 5/18:24 amONT - GDL
2 stops22h 11mMultiple Airlines
dom. 5/118:58 pmGDL - ONT
Nonstop3h 15mMultiple Airlines
Deal found 4/8$316
This United Airlines deal was found by Cheapflights users on 4/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/265:10 amONT - SJD
1 stop8h 33mUnited Airlines
vie. 5/3011:10 amSJD - ONT
1 stop11h 49mUnited Airlines
Deal found 4/9$316
This Delta deal was found by Cheapflights users on 4/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/186:00 amONT - GDL
2 stops10h 35mDelta
jue. 7/33:50 pmGDL - ONT
1 stop8h 31mDelta
Deal found 4/8$356
This CheapOair deal was found by Cheapflights users on 4/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/412:59 amONT - SJD
1 stop9h 37mMultiple Airlines
mar. 7/83:54 pmSJD - ONT
Nonstop2h 25mMultiple Airlines
Deal found 4/9$356
This CheapOair deal was found by Cheapflights users on 4/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/1912:59 amONT - PVR
1 stop7h 25mMultiple Airlines
sáb. 5/31:05 pmPVR - ONT
1 stop11h 08mMultiple Airlines
Deal found 4/9$362
This Kiwi.com deal was found by Cheapflights users on 4/9. 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.
vie. 5/92:28 pmONT - CUN
2 stops19h 11mMultiple Airlines
vie. 5/162:03 pmCUN - ONT
1 stop29h 44mMultiple Airlines
Deal found 4/9$362
This Kiwi.com deal was found by Cheapflights users on 4/8. 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.
sáb. 5/1012:59 amONT - MEX
2 stops19h 21mMultiple Airlines
jue. 5/158:10 amMEX - ONT
1 stop16h 49mMultiple Airlines
Deal found 4/8$366
This United Airlines deal was found by Cheapflights users on 4/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 4/206:10 amONT - PVR
1 stop6h 50mUnited Airlines
jue. 4/241:59 pmPVR - ONT
1 stop7h 43mUnited Airlines
Deal found 4/9$368

Cheapflights Fare Finder

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 abril 10, 2025.
Use the filters below to find and compare flights from Ontario to Mexico that are best for you.

Fly from

Ontario

Fly to

Mexico

Route

Depart

Return

Price

OntarioSan José del Cabo

ONT - SJD

ONTSJD

Ontario

mié. 7/23

12:40 pm-3:04 pm

Nonstop2h 24m

San José del Cabo Los Cabos

sáb. 7/26

3:54 pm-6:19 pm

Nonstop2h 25m

$271

OntarioGuadalajara

ONT - GDL

ONTGDL

Ontario

mié. 5/7

12:08 am-12:25 am

2 stops23h 17m

Guadalajara Miguel Hidal

lun. 5/12

6:15 am-1:38 pm

1 stop8h 23m

$281

OntarioGuadalajara

ONT - GDL

ONTGDL

Ontario

jue. 5/8

9:23 pm-1:21 am

Nonstop2h 58m

Guadalajara Miguel Hidal

sáb. 5/17

5:17 pm-7:32 pm

Nonstop3h 15m

$307

OntarioSan José del Cabo

ONT - SJD

ONTSJD

Ontario

mar. 5/6

5:45 am-2:05 pm

1 stop8h 20m

San José del Cabo Los Cabos

mar. 5/13

2:10 pm-11:42 pm

1 stop9h 32m

$310

OntarioSan José del Cabo

ONT - SJD

ONTSJD

Ontario

lun. 5/26

5:10 am-1:43 pm

1 stop8h 33m

San José del Cabo Los Cabos

vie. 5/30

11:10 am-10:59 pm

1 stop11h 49m

$316

OntarioLeón

ONT - BJX

ONTBJX

Ontario

vie. 7/4

7:59 pm-11:59 pm

Nonstop3h 00m

León Del Bajio

jue. 7/17

8:43 am-11:00 am

Nonstop3h 17m

$355

OntarioGuadalajara

ONT - GDL

ONTGDL

Ontario

mié. 5/28

6:00 am-7:05 pm

2 stops12h 05m

Guadalajara Miguel Hidal

dom. 6/1

3:20 pm-11:42 pm

1 stop9h 22m

$356

OntarioCancún

ONT - CUN

ONTCUN

Ontario

vie. 5/9

2:28 pm-11:39 am

2 stops19h 11m

Cancun

vie. 5/16

2:03 pm-5:47 pm

1 stop29h 44m

$362

OntarioMexico City

ONT - MEX

ONTMEX

Ontario

sáb. 5/10

12:59 am-9:20 pm

2 stops19h 21m

Mexico City Benito Juarez

jue. 5/15

8:10 am-11:59 pm

1 stop16h 49m

$366

OntarioPuerto Vallarta

ONT - PVR

ONTPVR

Ontario

dom. 4/20

6:10 am-2:00 pm

1 stop6h 50m

Puerto Vallarta Ordaz

jue. 4/24

1:59 pm-8:42 pm

1 stop7h 43m

$368

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/8

Showing 1-10 of 60 results
1
2
3
...
6

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.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Mexico

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 abril 10, 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 abril 10, 2025.
See what other customers who have flown with Delta, Alaska Airlines and Southwest 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.
Delta
8.0
Very good
7,906 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,906 reviews
Delta
8.0
Very good
7,906 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Alaska Airlines
8.0
Very good
9,848 reviews
Delta
8.0
Very good
7,906 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Southwest
8.0
Very good
4,279 reviews
Delta
8.0
Very good
7,906 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,906 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Aeromexico
7.5
Good
1,700 reviews
Delta
8.0
Very good
7,906 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 $128. Delta flights start at $133 while deals on Frontier start at $146 one-way.

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

    Most travelers choose Ontario - Cancun, Ontario - Mexico City Benito Juarez 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Mexico

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to John F Kennedy Intl flights
San Francisco to John F Kennedy Intl flights
Los Angeles to Newark flights
Los Angeles to LaGuardia flights
Los Angeles to Seattle flights
Los Angeles to Honolulu flights
San Francisco to Newark flights
Los Angeles to Miami flights
San Francisco to Las Vegas flights
Los Angeles to Cancún flights
Los Angeles to Orlando flights
San Jose to Los Angeles flights
Los Angeles to Dallas/Fort Worth flights
Los Angeles to Boston flights
Los Angeles to Las Vegas flights
San Francisco to Los Angeles flights
Los Angeles to Mexico City flights
San Francisco to Seattle flights
San Francisco to Dallas/Fort Worth flights
Los Angeles to San Francisco flights
Los Angeles to Reagan-National flights
Oakland to Los Angeles flights
Los Angeles to O'Hare Intl flights
Oakland to Las Vegas flights
San Francisco to LaGuardia flights
Santa Ana to Seattle flights
Los Angeles to San Jose flights
Burbank to Newark flights
Santa Ana to Las Vegas flights
San Francisco to Honolulu flights
Los Angeles to Oakland flights
Ontario to Dallas/Fort Worth flights
San Francisco to O'Hare Intl flights
Burbank to Las Vegas flights
Los Angeles to Portland flights
Burbank to Seattle flights
San Jose to Las Vegas flights
Los Angeles to Dulles Intl flights
Ontario to Seattle flights
San Diego to Seattle flights
San Francisco to Ontario flights
Los Angeles to Fort Lauderdale flights
San Jose to Seattle flights
Santa Ana to Newark flights
Ontario to Newark flights
Los Angeles to Kahului flights
San Diego to John F Kennedy Intl flights
Los Angeles to Baltimore flights
San Francisco to Dulles Intl flights
Ontario to San Francisco flights

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 abril 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$149Average$469FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$157Average$409FlexibilityNo cancel feeOn-time62%
AeromexicoCheapest$170Average$398FlexibilityNo cancel feeOn-timeN/A
VolarisCheapest$184Average$366FlexibilityNo cancel feeOn-time79%
VivaCheapest$211Average$402FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$271Average$445FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$278Average$467FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$316Average$587FlexibilityNo cancel feeOn-time69%
AviancaCheapest$340Average$420FlexibilityNo cancel feeOn-time71%
American AirlinesCheapest$356Average$607FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.