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$176+ Cheap flights from McAllen to Ontario (MFE - 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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
MFE — ONT
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from McAllen to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from McAllen (MFE) to Ontario (ONT). 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 June 12, 2025.

Round-trip from

$309
(Delta)

One-way from

$176
(Delta)

Popular in

July

Cheapest in

February

Average price

$300
From McAllen Miller Intl to Ontario
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One-way flight from McAllen Miller Intl to Ontario
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Highest demand for flights based on searches. 18% potential increase in price ($86 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from McAllen to Ontario

Cheapest flights from McAllen to Ontario
Explore the most affordable flight options available from McAllen to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/212:31 pmMFE - ONT
2 stops12h 09mDelta
Mon 9/81:15 pmONT - MFE
2 stops8h 44mDelta
Deal found 6/10$309
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/25:33 amMFE - ONT
1 stop6h 25mAmerican Airlines
Tue 9/211:59 pmONT - MFE
1 stop8h 09mAmerican Airlines
Deal found 6/10$338
This United Airlines deal was found by Cheapflights users on 6/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/295:00 amMFE - ONT
1 stop18h 25mUnited Airlines
Sun 8/316:04 amONT - MFE
1 stop7h 58mUnited Airlines
Deal found 6/12$411

Cheapflights Fare Finder

Customize your flight search to find flights from McAllen 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 June 12, 2025.
Use the filters below to find and compare flights from McAllen to Ontario that are best for you.

Fly from

McAllen

Fly to

Ontario

Route

Depart

Return

Price

McAllenOntario

MFE - ONT

MFEONT

McAllen Miller Intl

Tue 9/2

12:31 pm-10:40 pm

2 stops12h 09m

Ontario

Mon 9/8

1:15 pm-11:59 pm

2 stops8h 44m

$309

McAllenOntario

MFE - ONT

MFEONT

McAllen Miller Intl

Tue 9/2

5:33 am-9:58 am

1 stop6h 25m

Ontario

Thu 9/4

6:10 am-2:58 pm

1 stop6h 48m

$338

McAllenOntario

MFE - ONT

MFEONT

McAllen Miller Intl

Fri 8/29

5:00 am-9:25 pm

1 stop18h 25m

Ontario

Sun 8/31

6:04 am-4:02 pm

1 stop7h 58m

$411

McAllenOntario

MFE - ONT

MFEONT

McAllen Miller Intl

Tue 7/29

5:14 pm-11:42 pm

2 stops8h 28m

$176

McAllenOntario

MFE - ONT

MFEONT

McAllen Miller Intl

Sat 7/26

5:45 pm-9:37 pm

1 stop5h 52m

$240

McAllenOntario

MFE - ONT

MFEONT

McAllen Miller Intl

Fri 7/25

8:06 pm-11:54 pm

1 stop5h 48m

$264

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Best time to book a flight from McAllen to Ontario

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

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

Currently, August is the cheapest month in which you can book a flight from McAllen to Ontario (average of $246). Flying from McAllen 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.

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 June 12, 2025.
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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

  • What are the cheapest airlines flying from McAllen to Ontario round-trip?

    Currently priced at $309, Delta will fly you from McAllen to Ontario and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and United Airlines - these airlines can fly you to your destination from $338 and $411, respectively. These flights start at 20% lower than the current average price 3 months from now.

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

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $176. However, be on the lookout for offers from United Airlines and American Airlines, as they are both options that can get you from McAllen to Ontario for a low price.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from McAllen to Ontario (average of $246). Flying from McAllen 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 McAllen to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from McAllen to Ontario

Discover the top airline that operate flights from McAllen 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$267Average$358FlexibilityNo cancel feeOn-time71%

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