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Ontario

$157+ 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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
MEX — ONT
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$253
(Frontier)

One-way from

$157
(CheapOair)

Popular in

December

Cheapest in

March

Average price

$321

Good round-trip deal

$167 or less

Good one-way deal

$183 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. 6% potential increase in price ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This Frontier deal was found by Cheapflights users on 4/30. 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.
Fri 5/308:58 pmGDL - ONT
Nonstop3h 15mFrontier
Tue 6/31:09 amONT - GDL
Nonstop3h 05mFrontier
Deal found 4/30$253
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Fri 5/161:12 pmSJD - ONT
1 stop7h 41mUnited Airlines
Tue 5/205:05 amONT - SJD
1 stop7h 05mUnited Airlines
Deal found 4/29$289
This Delta deal was found by Cheapflights users on 5/1. 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.
Fri 5/162:10 pmSJD - ONT
1 stop9h 33mDelta
Fri 5/306:00 amONT - SJD
1 stop7h 04mDelta
Deal found 5/1$298
This Frontier deal was found by Cheapflights users on 4/30. 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.
Tue 5/2711:45 amMEX - ONT
1 stop10h 04mFrontier
Sat 5/311:24 pmONT - MEX
1 stop8h 31mFrontier
Deal found 4/30$326
This Mytrip deal was found by Cheapflights users on 4/30. 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 5/225:17 pmGDL - ONT
Nonstop3h 15mVolaris
Wed 5/289:23 pmONT - GDL
Nonstop2h 58mVolaris
Deal found 4/30$329
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Wed 5/711:45 amBJX - ONT
2 stops25h 53mUnited Airlines
Sun 5/114:15 pmONT - BJX
2 stops17h 34mUnited Airlines
Deal found 4/30$336
This Delta deal was found by Cheapflights users on 4/30. 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.
Fri 5/233:20 pmPVR - ONT
1 stop9h 22mDelta
Mon 5/266:00 amONT - PVR
1 stop8h 05mDelta
Deal found 4/30$340
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Wed 5/282:56 pmPVR - ONT
1 stop7h 14mUnited Airlines
Fri 6/136:00 amONT - PVR
1 stop7h 00mUnited Airlines
Deal found 4/30$342
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 5/198:58 pmGDL - ONT
Nonstop3h 15mMultiple Airlines
Tue 5/276:25 amONT - GDL
1 stop12h 40mMultiple Airlines
Deal found 4/30$348
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 5/2711:45 amMEX - ONT
1 stop10h 04mMultiple Airlines
Sat 5/311:24 pmONT - MEX
1 stop8h 31mMultiple Airlines
Deal found 4/30$360
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Sat 8/96:40 amGDL - ONT
1 stop15h 57mUnited Airlines
Sat 8/166:00 amONT - GDL
1 stop6h 34mUnited Airlines
Deal found 4/29$362
This Delta deal was found by Cheapflights users on 4/29. 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.
Sun 10/53:00 pmGDL - ONT
1 stop9h 46mDelta
Sun 10/126:00 amONT - GDL
1 stop6h 32mDelta
Deal found 4/29$367

Cheapflights Fare Finder

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 May 1, 2025.
Use the filters below to find and compare flights from Mexico to Ontario that are best for you.

Fly from

Mexico

Fly to

Ontario

Route

Depart

Return

Price

GuadalajaraOntario

GDL - ONT

GDLONT

Guadalajara Miguel Hidal

Fri 5/30

8:58 pm-11:13 pm

Nonstop3h 15m

Ontario

Tue 6/3

1:09 am-5:14 am

Nonstop3h 05m

$253

San José del CaboOntario

SJD - ONT

SJDONT

San José del Cabo Los Cabos

Fri 5/16

1:12 pm-8:53 pm

1 stop7h 41m

Ontario

Tue 5/20

5:05 am-12:10 pm

1 stop7h 05m

$289

San José del CaboOntario

SJD - ONT

SJDONT

San José del Cabo Los Cabos

Fri 5/16

2:10 pm-11:43 pm

1 stop9h 33m

Ontario

Fri 5/30

6:00 am-1:04 pm

1 stop7h 04m

$298

Mexico CityOntario

MEX - ONT

MEXONT

Mexico City Benito Juarez

Tue 5/27

11:45 am-8:49 pm

1 stop10h 04m

Ontario

Sat 5/31

1:24 pm-10:55 pm

1 stop8h 31m

$326

GuadalajaraOntario

GDL - ONT

GDLONT

Guadalajara Miguel Hidal

Thu 5/22

5:17 pm-7:32 pm

Nonstop3h 15m

Ontario

Wed 5/28

9:23 pm-1:21 am

Nonstop2h 58m

$329

LeónOntario

BJX - ONT

BJXONT

León Del Bajio

Mon 5/12

5:00 am-10:00 pm

1 stop18h 00m

Ontario

Wed 5/14

6:00 am-7:31 pm

2 stops12h 31m

$336

GuadalajaraOntario

GDL - ONT

GDLONT

Guadalajara Miguel Hidal

Mon 5/19

8:58 pm-11:13 pm

Nonstop3h 15m

Ontario

Mon 5/26

12:59 am-9:20 pm

2 stops19h 21m

$339

Puerto VallartaOntario

PVR - ONT

PVRONT

Puerto Vallarta Ordaz

Fri 5/23

3:20 pm-11:42 pm

1 stop9h 22m

Ontario

Mon 5/26

6:00 am-3:05 pm

1 stop8h 05m

$340

Puerto VallartaOntario

PVR - ONT

PVRONT

Puerto Vallarta Ordaz

Wed 5/28

2:56 pm-9:10 pm

1 stop7h 14m

Ontario

Fri 6/13

6:00 am-2:00 pm

1 stop7h 00m

$342

Mexico CityOntario

MEX - ONT

MEXONT

Mexico City Benito Juarez

Tue 5/27

11:45 am-8:49 pm

1 stop10h 04m

Ontario

Sat 5/31

1:24 pm-10:55 pm

1 stop8h 31m

$360

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/1

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.

Cheapflights Insights

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

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 $328). 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 May 1, 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 May 1, 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
9,972 reviews

Boarding

8.1

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,972 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,934 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,409 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Aeromexico
7.5
Good
1,698 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 ($157), Frontier ($165), and United Airlines ($178).

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

    While some choose either Guadalajara Miguel Hidal - Ontario or Monterrey Gen Mariano Escobedo - 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 $328). 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
VolarisCheapest$226Average$316FlexibilityNo cancel feeOn-time79%
FrontierCheapest$248Average$305FlexibilityNo cancel feeOn-time62%

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