Ontario

$200+ 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 12/16. Fares are subject to change and may not be available on all flights or dates of travel.
MFE — ONT
Oct 11 — Oct 181
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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 September 11, 2025.

Round-trip from

$270
(American Airlines)

One-way from

$200
(United Airlines)

Popular in

August

Cheapest in

February

Average price

$290
From McAllen Miller Intl to Ontario
One-way flight from McAllen Miller Intl to Ontario
Highest demand for flights based on searches. 22% potential increase in price ($108 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Average for round-trip flights in September 2025

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 September 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/252:59 pmMFE - ONT
1 stop6h 04mAmerican Airlines
Sat 11/12:51 pmONT - MFE
1 stop6h 02mAmerican Airlines
Deal found 9/9$270
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Thu 10/28:10 pmMFE - ONT
1 stop5h 49mAmerican Airlines
Thu 10/96:10 amONT - MFE
1 stop5h 52mAmerican Airlines
Deal found 9/11$297
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/255:25 amMFE - ONT
2 stops8h 49mDelta
Sat 11/16:00 amONT - MFE
2 stops9h 31mDelta
Deal found 9/9$316
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Sat 11/225:00 pmMFE - ONT
1 stop6h 49mUnited Airlines
Mon 11/246:38 pmONT - MFE
2 stops12h 16mUnited Airlines
Deal found 9/9$353
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2212:44 pmMFE - ONT
2 stops10h 51mDelta
Mon 11/241:20 pmONT - MFE
2 stops8h 39mDelta
Deal found 9/9$359
This American Airlines deal was found by Cheapflights users on 9/11. 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 9/266:23 pmMFE - ONT
1 stop6h 10mAmerican Airlines
Tue 9/302:54 pmONT - MFE
1 stop5h 56mAmerican Airlines
Deal found 9/11$379
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 11/279:50 amMFE - ONT
1 stop8h 22mUnited Airlines
Sun 11/306:05 amONT - MFE
1 stop7h 52mUnited Airlines
Deal found 9/10$394
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 11/265:00 pmMFE - ONT
1 stop6h 49mUnited Airlines
Sun 11/306:05 amONT - MFE
1 stop5h 25mUnited Airlines
Deal found 9/10$400
This Delta deal was found by Cheapflights users on 9/11. 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.
Thu 10/25:25 amMFE - ONT
2 stops8h 52mDelta
Thu 10/91:15 pmONT - MFE
2 stops8h 44mDelta
Deal found 9/11$418
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 10/25:15 pmMFE - ONT
1 stop6h 09mUnited Airlines
Sun 10/56:00 amONT - MFE
1 stop8h 00mUnited Airlines
Deal found 9/10$419

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 September 11, 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

Wed 1/28

5:25 pm-9:58 pm

1 stop6h 33m

Ontario

Sat 1/31

6:00 am-4:07 pm

1 stop8h 07m

$318

McAllenOntario

MFE - ONT

MFEONT

McAllen Miller Intl

Wed 1/28

5:25 pm-9:58 pm

1 stop6h 33m

Ontario

Sun 2/1

6:00 am-4:07 pm

1 stop8h 07m

$327

McAllenOntario

MFE - ONT

MFEONT

McAllen Miller Intl

Fri 9/26

6:23 pm-10:33 pm

1 stop6h 10m

Ontario

Tue 9/30

2:54 pm-10:50 pm

1 stop5h 56m

$379

McAllenOntario

MFE - ONT

MFEONT

McAllen Miller Intl

Thu 10/2

5:25 am-12:17 pm

2 stops8h 52m

Ontario

Thu 10/9

1:15 pm-11:59 pm

2 stops8h 44m

$418

McAllenOntario

MFE - ONT

MFEONT

McAllen Miller Intl

Thu 10/2

5:15 pm-9:24 pm

1 stop6h 09m

Ontario

Sun 10/5

6:00 am-4:00 pm

1 stop8h 00m

$419

McAllenOntario

MFE - ONT

MFEONT

McAllen Miller Intl

Sat 11/22

5:00 pm-9:49 pm

1 stop6h 49m

Ontario

Sun 11/23

6:38 pm-8:54 am

2 stops12h 16m

$424

McAllenOntario

MFE - ONT

MFEONT

McAllen Miller Intl

Wed 11/26

2:06 pm-10:51 pm

2 stops10h 45m

Ontario

Sun 11/30

6:05 am-3:57 pm

1 stop7h 52m

$470

McAllenOntario

MFE - ONT

MFEONT

McAllen Miller Intl

Fri 10/10

6:55 am-9:24 pm

1 stop16h 29m

Ontario

Mon 10/13

6:00 am-9:57 pm

1 stop13h 57m

$489

McAllenOntario

MFE - ONT

MFEONT

McAllen Miller Intl

Tue 12/16

5:20 pm-9:49 pm

1 stop6h 29m

$200

McAllenOntario

MFE - ONT

MFEONT

McAllen Miller Intl

Fri 9/26

1:24 pm-9:55 pm

1 stop10h 31m

$215

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 15 results
1
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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 September 11, 2025.
Get a feel of what it's like to fly with 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.

Boarding

7.5

Entertainment

6.9

Comfort

7.2

Food

6.4

Crew

8.0

Overall

7.2

Reviews

1 / 20
6.0
Good

sheila,Mar 2025

DFW - MSP

We were delayed for 3 hours with no real reason or offer for compensation

Boarding

7.5

Entertainment

6.9

Comfort

7.2

Food

6.4

Crew

8.0

Overall

7.2

Reviews

1 / 20
6.0
Good

sheila,Mar 2025

DFW - MSP

We were delayed for 3 hours with no real reason or offer for compensation

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.
  • How long is the flight from McAllen to Ontario?

    Departing from McAllen to Ontario will take you 6h 10m. The distance between McAllen and Ontario is about 1275 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from McAllen to Ontario round-trip?

    Currently priced at $192, 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. This flight start at 48% 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.

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.

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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$192Average$373FlexibilityNo cancel feeOn-time71%

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