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$171+ 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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
MFE — ONT
jul. 21 — jul. 281
lun. 7/21
lun. 7/28
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 julio 16, 2025.

Round-trip from

$247
(Delta)

One-way from

$171
(Trip.com)

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 julio 16, 2025.

This Delta deal was found by Cheapflights users on 7/16. 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. 9/305:25 amMFE - ONT
2 stops8h 52mDelta
mar. 10/71:00 pmONT - MFE
2 stops8h 56mDelta
Deal found 7/16$247
This American Airlines deal was found by Cheapflights users on 7/16. 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.
vie. 10/312:59 pmMFE - ONT
1 stop6h 03mAmerican Airlines
mar. 11/411:00 amONT - MFE
1 stop5h 13mAmerican Airlines
Deal found 7/16$303
This United Airlines deal was found by Cheapflights users on 7/16. 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.
vie. 10/314:37 pmMFE - ONT
1 stop7h 00mUnited Airlines
vie. 11/76:38 pmONT - MFE
2 stops12h 16mUnited Airlines
Deal found 7/16$328

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 julio 16, 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

mar. 9/30

5:25 am-12:17 pm

2 stops8h 52m

Ontario

mar. 10/7

1:00 pm-11:56 pm

2 stops8h 56m

$247

McAllenOntario

MFE - ONT

MFEONT

McAllen Miller Intl

vie. 10/31

2:59 pm-7:02 pm

1 stop6h 03m

Ontario

mar. 11/4

11:00 am-6:13 pm

1 stop5h 13m

$303

McAllenOntario

MFE - ONT

MFEONT

McAllen Miller Intl

vie. 10/31

4:37 pm-9:37 pm

1 stop7h 00m

Ontario

vie. 11/7

6:38 pm-8:54 am

2 stops12h 16m

$328

McAllenOntario

MFE - ONT

MFEONT

McAllen Miller Intl

lun. 7/28

9:05 pm-4:20 pm

1 stop21h 15m

$171

McAllenOntario

MFE - ONT

MFEONT

McAllen Miller Intl

dom. 9/21

5:00 am-12:13 pm

2 stops9h 13m

$302

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/14

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 julio 16, 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
7,957 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

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
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

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
8,863 reviews
Delta
8.0
Very good
7,957 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

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
7,957 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

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 $247, 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 $303 and $328, respectively. These flights start at 35% lower than the current average price 3 months from now.

  • 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 julio 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$192Average$373FlexibilityNo cancel feeOn-time71%

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