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$155+ Cheap flights from Mexico to Ontario (ONT)

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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
MEX — ONT
mar. 15 — mar. 221
sáb. 3/15
sáb. 3/22
1 adult, Economy
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Cheap flight deals from Mexico to Ontario

Keep the following information in mind while searching for Mexico to Ontario flight deals. Data was last updated marzo 10, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$264
(United Airlines)

One-way from

$155
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$296

Good round-trip deal

$176 or less

Good one-way deal

$162 or less
Provider with most accurate pricing for Mexico City Benito Juarez-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Mexico City Benito Juarez-Los Angeles flights.
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From Mexico to Ontario
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One-way flight from Mexico to Ontario
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Highest demand for flights based on searches. 3% potential increase in price ($14 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 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 Mexico to Ontario.
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Price to beat on a one-way flight from Mexico to Ontario.
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Find flight deals from Mexico to Ontario

Cheapest flights from Mexico to Ontario
Explore the most affordable flight options available from Mexico to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on marzo 10, 2025.

This United Airlines deal was found by Cheapflights users on 3/9. 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.
mié. 7/3011:10 amSJD - ONT
1 stop6h 33mUnited Airlines
dom. 8/36:32 pmONT - SJD
1 stop19h 11mUnited Airlines
Deal found 3/9$264
This Frontier deal was found by Cheapflights users on 3/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 3/158:58 pmGDL - ONT
Nonstop3h 21mFrontier
mié. 5/141:09 amONT - GDL
Nonstop2h 58mFrontier
Deal found 3/9$271
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/2411:00 amMTY - ONT
1 stop8h 40mMultiple Airlines
mié. 4/3012:59 amONT - MTY
1 stop14h 24mMultiple Airlines
Deal found 3/10$284
This eDestinos deal was found by Cheapflights users on 3/10. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/15:17 pmGDL - ONT
Nonstop3h 15mVolaris
jue. 4/109:23 pmONT - GDL
Nonstop2h 58mVolaris
Deal found 3/10$296
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
lun. 4/146:15 amGDL - ONT
1 stop8h 27mMultiple Airlines
lun. 4/286:14 pmONT - GDL
1 stop18h 17mMultiple Airlines
Deal found 3/9$303
This United Airlines deal was found by Cheapflights users on 3/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/301:59 pmPVR - ONT
1 stop7h 43mUnited Airlines
lun. 5/53:10 pmONT - PVR
2 stops19h 17mUnited Airlines
Deal found 3/10$305
This Kiwi.com deal was found by Cheapflights users on 3/8. 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.
mié. 4/26:20 amMEX - ONT
1 stop8h 22mMultiple Airlines
lun. 4/76:03 pmONT - MEX
1 stop27h 52mMultiple Airlines
Deal found 3/8$311
This Frontier deal was found by Cheapflights users on 3/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/711:45 amMEX - ONT
1 stop10h 06mFrontier
lun. 4/149:31 amONT - MEX
1 stop12h 24mFrontier
Deal found 3/8$315
This Mytrip deal was found by Cheapflights users on 3/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/211:13 amCUN - ONT
1 stop8h 34mFrontier
sáb. 5/1012:59 amONT - CUN
1 stop11h 11mFrontier
Deal found 3/10$317
This Frontier deal was found by Cheapflights users on 3/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/165:32 amMTY - ONT
1 stop9h 08mFrontier
sáb. 4/198:39 amONT - MTY
1 stop10h 01mFrontier
Deal found 3/10$332
This OneTravel deal was found by Cheapflights users on 3/10. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/246:01 pmMTY - ONT
1 stop6h 12mVolaris
jue. 5/19:23 pmONT - MTY
1 stop9h 07mVolaris
Deal found 3/10$333
This Trip.com deal was found by Cheapflights users on 3/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/309:29 amPVR - ONT
1 stop11h 03mVolaris
lun. 5/51:09 amONT - PVR
1 stop6h 45mVolaris
Deal found 3/10$334

Find flights from Mexico to Ontario within your budget

Customize your flight search to find flights from Mexico 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, Cheapflights users made 2,558,603 searches. Data last updated marzo 10, 2025.

Fly from

Mexico

Fly to

Ontario

Route

Depart

Return

Price

San José del CaboOntario

SJD - ONT

SJDONT

San José del Cabo Los Cabos

mié. 7/30

11:10 am-5:43 pm

1 stop6h 33m

Ontario

dom. 8/3

6:32 pm-1:43 pm

1 stop19h 11m

$264

GuadalajaraOntario

GDL - ONT

GDLONT

Guadalajara Miguel Hidal

vie. 5/16

5:17 pm-7:32 pm

Nonstop3h 15m

Ontario

dom. 6/15

9:11 pm-1:16 am

Nonstop3h 05m

$271

MonterreyOntario

MTY - ONT

MTYONT

Monterrey Gen Mariano Escobedo

jue. 4/24

11:00 am-6:40 pm

1 stop8h 40m

Ontario

mié. 4/30

12:59 am-4:23 pm

1 stop14h 24m

$284

GuadalajaraOntario

GDL - ONT

GDLONT

Guadalajara Miguel Hidal

mar. 4/1

5:17 pm-7:32 pm

Nonstop3h 15m

Ontario

jue. 4/10

9:23 pm-1:21 am

Nonstop2h 58m

$296

GuadalajaraOntario

GDL - ONT

GDLONT

Guadalajara Miguel Hidal

lun. 4/14

6:15 am-1:42 pm

1 stop8h 27m

Ontario

lun. 4/28

6:14 pm-1:31 pm

1 stop18h 17m

$303

Puerto VallartaOntario

PVR - ONT

PVRONT

Puerto Vallarta Ordaz

mié. 4/30

1:59 pm-8:42 pm

1 stop7h 43m

Ontario

mar. 5/6

4:15 pm-12:57 pm

1 stop19h 42m

$305

Mexico CityOntario

MEX - ONT

MEXONT

Mexico City Benito Juarez

mié. 4/2

6:20 am-1:42 pm

1 stop8h 22m

Ontario

lun. 4/7

6:03 pm-10:55 pm

1 stop27h 52m

$311

Mexico CityOntario

MEX - ONT

MEXONT

Mexico City Benito Juarez

lun. 4/7

11:45 am-8:51 pm

1 stop10h 06m

Ontario

lun. 4/14

9:31 am-10:55 pm

1 stop12h 24m

$315

CancúnOntario

CUN - ONT

CUNONT

Cancun

vie. 5/2

11:13 am-5:47 pm

1 stop8h 34m

Ontario

sáb. 5/10

12:59 am-2:10 pm

1 stop11h 11m

$317

MonterreyOntario

MTY - ONT

MTYONT

Monterrey Gen Mariano Escobedo

mié. 4/16

5:32 am-1:40 pm

1 stop9h 08m

Ontario

sáb. 4/19

8:39 am-7:40 pm

1 stop10h 01m

$332

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/10

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

Have a flexible travel schedule? Discover the best time to fly to Ontario from Mexico 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 Mexico to Ontario

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

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

Currently, August is the cheapest month in which you can book a flight from Mexico to Ontario (average of $246). Flying from Mexico to Ontario in March is currently the most expensive (average of $313). 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 MX to ONT?

Find hourly flight availability from Mexico to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated marzo 10, 2025.

When flying from Mexico to Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated marzo 10, 2025.
See what other customers who have flown with Alaska Airlines, Delta and Hawaiian Airlines from Mexico to Ontario have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,731 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Alaska Airlines
8.0
Very good
9,731 reviews
Alaska Airlines
8.0
Very good
9,731 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Delta
8.0
Very good
7,973 reviews
Alaska Airlines
8.0
Very good
9,731 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Hawaiian Airlines
7.9
Good
2,320 reviews
Alaska Airlines
8.0
Very good
9,731 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Aeromexico
7.5
Good
1,728 reviews
Alaska Airlines
8.0
Very good
9,731 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

United Airlines
7.4
Good
8,631 reviews
Alaska Airlines
8.0
Very good
9,731 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Related info for your journey

Find useful and relevant information for your journey from Mexico to Ontario. 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 into for flights to Ontario from Mexico?

    Most people fly into Ontario (ONT) if they book a flight to Ontario from Mexico. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

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

    The cheapest airlines for a one-way flight from Mexico to Ontario are Volaris ($162), United Airlines ($176), and Frontier ($177).

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

    While some choose either Guadalajara Miguel Hidal - Ontario or Cancun - Ontario, Mexico City Benito Juarez - Ontario is the most popular route from Mexico to Ontario.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Mexico to Ontario 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 Mexico to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Mexico to Ontario (average of $246). Flying from Mexico to Ontario in March is currently the most expensive (average of $313). 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 Mexico to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Mexico to Ontario

Discover the top 2 airlines that operate flights from Mexico to Ontario. 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 marzo 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$248Average$339FlexibilityNo cancel feeOn-time62%
VolarisCheapest$254Average$340FlexibilityNo cancel feeOn-time79%
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