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$124+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
MFE — ONT
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
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 July 30, 2025.

Round-trip from

$242
(American Airlines)

One-way from

$124
(American Airlines)

Popular in

July

Cheapest in

February

Average price

$536
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. 10% potential increase in price ($45 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 30, 2025.

This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/56:45 amMFE - ONT
2 stops13h 31mAmerican Airlines
Sun 9/711:59 pmONT - MFE
1 stop8h 09mAmerican Airlines
Deal found 7/30$242
This United Airlines deal was found by Cheapflights users on 7/28. 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 11/154:55 pmMFE - ONT
1 stop6h 42mUnited Airlines
Tue 11/186:38 pmONT - MFE
2 stops12h 16mUnited Airlines
Deal found 7/28$404
This Delta deal was found by Cheapflights users on 7/29. 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.
Tue 8/125:17 pmMFE - ONT
2 stops8h 23mDelta
Fri 8/1510:00 pmONT - MFE
2 stops11h 48mDelta
Deal found 7/29$408

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 July 30, 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

Fri 9/5

6:45 am-6:16 pm

2 stops13h 31m

Ontario

Sun 9/7

11:59 pm-10:08 am

1 stop8h 09m

$242

McAllenOntario

MFE - ONT

MFEONT

McAllen Miller Intl

Fri 1/9

11:55 am-8:17 pm

2 stops10h 22m

Ontario

Sun 1/18

10:40 am-11:27 pm

2 stops10h 47m

$368

McAllenOntario

MFE - ONT

MFEONT

McAllen Miller Intl

Tue 8/12

5:17 pm-11:40 pm

2 stops8h 23m

Ontario

Fri 8/15

10:00 pm-11:48 am

2 stops11h 48m

$408

McAllenOntario

MFE - ONT

MFEONT

McAllen Miller Intl

Fri 9/5

10:53 am-6:16 pm

2 stops9h 23m

$124

McAllenOntario

MFE - ONT

MFEONT

McAllen Miller Intl

Fri 9/5

7:25 pm-5:37 pm

2 stops24h 12m

$238

McAllenOntario

MFE - ONT

MFEONT

McAllen Miller Intl

Sun 8/17

12:31 pm-10:20 pm

2 stops11h 49m

$265

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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.

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 July 30, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from McAllen to Ontario by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

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
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

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
8,896 reviews
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

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
7,980 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

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 $242, American Airlines will fly you from McAllen to Ontario and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Delta - these airlines can fly you to your destination from $368 and $408, respectively. These flights start at 36% 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 American Airlines, with whom users have recently found tickets for as low as $124. However, be on the lookout for offers from United Airlines and Delta, 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.

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Alternative routes for McAllen to Ontario

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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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$192Average$373FlexibilityNo cancel feeOn-time71%

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