Cheap flights from Ontario International to Mcallen

Compare Ontario International to Mcallen flight deals

Find the cheapest month or even day of the year to fly to Mcallen

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Flight deals from Ontario International to Mcallen

Looking for a cheap last-minute deal or the best round-trip flight from Ontario International Airport to Mcallen Airport? If you want to travel next month, round-trip fares start from $348. Find the lowest prices on one-way and round-trip tickets right here.

Mcallen.$348 per passenger.Departing Fri, Jun 5, returning Thu, Jun 11.Round-trip flight with Frontier Airlines and Allegiant Air.Outbound indirect flight with Frontier Airlines, departing from Ontario International on Fri, Jun 5, arriving in Mcallen.Inbound indirect flight with Allegiant Air, departing from Mcallen on Thu, Jun 11, arriving in Ontario International.Price includes taxes and charges.From $348, select.

Mcallen.$450 per passenger.Departing Fri, May 22, returning Tue, May 26.Round-trip flight with Frontier Airlines and Allegiant Air.Outbound indirect flight with Frontier Airlines, departing from Ontario International on Fri, May 22, arriving in Mcallen.Inbound indirect flight with Allegiant Air, departing from Mcallen on Tue, May 26, arriving in Ontario International.Price includes taxes and charges.From $450, select.

Mcallen.$657 per passenger.Departing Tue, Jul 14, returning Tue, Jul 21.Round-trip flight with United.Outbound indirect flight with United, departing from Ontario International on Tue, Jul 14, arriving in Mcallen.Inbound indirect flight with United, departing from Mcallen on Tue, Jul 21, arriving in Ontario International.Price includes taxes and charges.From $657, select.

Find the cheapest month to fly from Ontario International to Mcallen

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ontario International to Mcallen flights are currently cheapest in June.

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Ontario International to Mcallen: Alternative routes

Compare routes from Ontario International to Mcallen below. You may find an airport to fly into that's cheaper, faster, or easier than Mcallen.

Ontario to Mcallen: Flight information

The things to know before you go.

Cheapest flight found	$348
Cheapest month to fly	June

Finding cheap flights from Ontario International to Mcallen: Frequently asked questions

How much are round-trip flights from Ontario International to Mcallen?

The best price we found for a round-trip flight from Ontario International to Mcallen is $348. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from Ontario International to Mcallen?

Currently, there are no airlines that fly direct from Ontario International to Mcallen. But we found flights with one or more stops from $348.

How many flights are there a week from Ontario International to Mcallen?

There are no flights flying from Ontario International to Mcallen, as of May 2026.

When is the cheapest time to fly from Ontario International to Mcallen?

The cheapest month to fly from Ontario International to Mcallen is usually June.

Which upcoming date is cheapest to fly from Ontario International Airport to Mcallen Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Ontario International Airport to Mcallen Airport on Friday, June 5, 2026.

Can I get a direct flight from Ontario International Airport to Mcallen Airport?

No airlines currently offer direct flights between Ontario International Airport and Mcallen Airport. Most routes have one or more stops.

How can I find the best flight deal to Mcallen?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Mcallen but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Mcallen?

We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Mcallen is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly with from Ontario International Airport to Mcallen?

Currently, Frontier Airlines offers the cheapest flight tickets to Mcallen.

Traveling from Ontario International Airport (ONT) to McAllen International Airport (MFE): what you need to know

The timezone in Mcallen is UTC-5, which is two hours ahead of Ontario.
For a stress-free journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This will give you enough time to catch your ONT to MFE flight.
You can expect bigger queues during popular months such as August. Arriving up to four hours in advance for international flights and two hours for a domestic departure is a wise move.
If you want to explore another city along the way, simply deselect 'Direct flights only' when searching for your ticket from Ontario International Airport to McAllen International Airport. Here are the top stopovers between ONT and MFE:
- Austin-Bergstrom International Airport
- Phoenix Sky Harbor International Airport
- Dallas/Fort Worth International Airport

How to find the cheapest flights from Ontario International Airport (ONT) to McAllen International Airport (MFE)

$112 is the lowest price for a one-way Ontario International Airport to McAllen International Airport flight. Return flights start at $348. These prices can change depending on demand and availability.
Don't leave things to the last moment. You're more likely to get cheap tickets from ONT to MFE if you book ahead. Airlines often have some excellent early bird rates.
Finding cheap flights from Ontario International Airport to McAllen International Airport is more likely if you can be flexible with your travel plans. Use the 'Whole month' tool to see the lowest fares across each month and snap up a great deal.
Landing cheap flights from ONT to MFE is a piece of cake with Price Alerts. Simply create one of these automatic alerts and we'll let you know when a new deal comes up.
Tailor your flights using filters. Pick your ideal arrival and departure times, airlines and total journey duration. You can also sort the results by 'Cheapest,' 'Fastest' or 'Best' flights from Ontario International Airport to McAllen International Airport.

Handy information about Ontario International Airport (ONT)

ONT's address is 2900 E. Airport Drive.
Ontario International Airport maintains a solid on-time performance, so you're less likely to experience disruptions. Departures from ONT arrive on schedule 83.6% of the time.
Ontario International Airport is about 6 kilometers from central Ontario. If you're driving, catching a cab or ride-sharing from the center, it'll take you 10 minutes or so to get there, depending on the traffic.
Taking public transport? Expect a journey time of around 1 hour 30 minutes.
Get your vacation off to a hassle-free start by staying near ONT. Whether you're catching an early flight from Ontario International Airport to McAllen International Airport or want to avoid feeling rushed, these hotels have you covered:

Arriving at McAllen International Airport (MFE)

The last thing you need is a long trip to your hotel if you're landing late on an Ontario International Airport to McAllen International Airport flight. Book one of these accommodation options near MFE instead:
Hit the road running by picking up a McAllen International Airport rental car. Grab a set of wheels from Dollar, Thrifty or Enterprise to explore Mcallen and beyond.
For the lowest price, book your vehicle from McAllen International Airport around three weeks ahead.

Getting from McAllen International Airport (MFE) to central Mcallen

You'll find MFE at 2500 S Bicentenial Blvd.
McAllen International Airport to the center of Mcallen has a drive time of about 10 minutes. It's approximately 3 kilometers away.
Traveling to the center on public transport will take you roughly 50 minutes.

When to fly to McAllen International Airport (MFE)

It's time to plan your trip dates for your flight from Ontario International Airport to McAllen International Airport. July is the most popular month to head to Mcallen. If you're after a more laid-back vibe, go in February.
When reserving your flight from Ontario International Airport to McAllen International Airport, think about the kind of weather you like. August is the warmest month in Mcallen, with the temperature ranging from 25ºC (77ºF) to 39ºC (102ºF).
Search for cheap tickets from ONT to MFE in January if you'd rather travel during cooler conditions. Temperatures are at their lowest around then, ranging between 8ºC (46ºF) and 26ºC (79ºF) on average.

Explore more of United States

Mcallen is always a good idea, but there are so many other corners of United States just waiting to be explored. Around 483 kilometers north-east of Mcallen, a trip to Houston will keep you busy. Start with leading sights like The Houston Museum of Natural Science, The Museum of Fine Arts, Houston, Beck Building and Hermann Park.
Around 354 kilometers north of Mcallen, San Antonio is another essential stop in United States. Experience this destination's highlights firsthand at The San Antonio River Walk, San Antonio Missions National Historical Park and San Fernando Cathedral.