Cheap flights from Mcallen to Ontario International

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Compare Mcallen to Ontario International flight deals

Find the cheapest month or even day of the year to fly to Ontario International

Book the best Ontario International fare with no extra fees

Flight deals Cheapest month Find the best route Route info FAQs Tips and advice

Flight deals from Mcallen to Ontario International

Looking for a cheap last-minute deal or the best round-trip flight from Mcallen Airport to Ontario International Airport? If you want to travel next month, round-trip fares start from $361. Find the lowest prices on one-way and round-trip tickets right here.

Ontario.$360 per passenger.Departing Mon, Oct 5, returning Tue, Oct 13.Round-trip flight with Allegiant Air and Frontier Airlines.Outbound indirect flight with Allegiant Air, departing from Mcallen on Mon, Oct 5, arriving in Ontario International.Inbound indirect flight with Frontier Airlines, departing from Ontario International on Tue, Oct 13, arriving in Mcallen.Price includes taxes and charges.From $360, select.

Ontario.$548 per passenger.Departing Fri, Nov 6, returning Mon, Nov 9.Round-trip flight with United.Outbound indirect flight with United, departing from Mcallen on Fri, Nov 6, arriving in Ontario International.Inbound indirect flight with United, departing from Ontario International on Mon, Nov 9, arriving in Mcallen.Price includes taxes and charges.From $548, select.

Ontario.$684 per passenger.Departing Sun, Sep 13, returning Thu, Sep 17.Round-trip flight with Allegiant Air and Frontier Airlines.Outbound indirect flight with Allegiant Air, departing from Mcallen on Sun, Sep 13, arriving in Ontario International.Inbound indirect flight with Frontier Airlines, departing from Ontario International on Thu, Sep 17, arriving in Mcallen.Price includes taxes and charges.From $684, select.

Find the cheapest month to fly from Mcallen to Ontario International

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

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Mcallen to Ontario International: Alternative routes

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

Mcallen to Ontario: Flight information

The things to know before you go.

Cheapest flight found	$360
Cheapest month to fly	October

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

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

The best price we found for a round-trip flight from Mcallen to Ontario International is $361. 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 Mcallen to Ontario International?

Currently, there are no airlines that fly direct from Mcallen to Ontario International. But we found flights with one or more stops from $361.

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

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

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

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

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

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

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

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

How can I find the best flight deal to Ontario International?

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 Ontario International 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 Ontario?

We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Ontario 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 Mcallen Airport to Ontario International?

Currently, Allegiant Air offers the cheapest flight tickets to Ontario International.

Flying from Mcallen Airport (MFE) to Ontario International Airport (ONT): what you need to know

Ontario's timezone is UTC-8, making Ontario two hours behind Mcallen.
To ensure you catch your MFE to ONT flight, allow plenty of time to navigate the airport and find your gate. Turning up two hours before international departures and an hour before domestic flights is the general rule.
During popular months such as July, it's best to get to the airport even earlier. Arrive two hours before domestic departures and four hours ahead for international flights when you fly during a peak period in general.
Consider adding a stopover when booking your ticket from Mcallen Airport to Ontario International Airport. Simply uncheck 'Direct flights only' to break up your journey, or visit a new city along the way. Check out these options between MFE and ONT:
- Dallas Fort Worth International Airport
- Houston George Bush Intercntl. Airport
- Austin-Bergstrom Airport

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

$183 is the lowest price for a one-way Mcallen Airport to Ontario International Airport flight. A return flight starts at $360. These prices may change depending on availability and demand.
Don't leave things to the last minute. You're more likely to get cheap tickets from MFE to ONT if you book ahead. Airlines often offer some terrific early bird discounts.
Finding cheap flights from Mcallen Airport to Ontario International Airport is easier if you can be flexible with your travel dates. Use the 'Whole month' tool to see the best prices across every month and bag a great deal.
Snapping up cheap flights from MFE to ONT is a breeze with Price Alerts. Simply set up one of these automatic alerts and we'll let you know when a new discounted fare appears.
Pick your ideal arrival and departure times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to get the best deals on flights from Mcallen Airport to Ontario International Airport.

Handy information about Mcallen Airport (MFE)

MFE is located at 2500 S Bicentenial Blvd.
Mcallen Airport has an excellent on-time performance, making delays less likely. Departures from MFE make it to their destination as scheduled 82% of the time.
Central Mcallen to Mcallen Airport is approximately 8 kilometers. Depending on traffic, it'll take you about 10 minutes to get there if you're catching a cab, ride-sharing or driving.
Expect a trip time of roughly 25 minutes on public transport.
Booked an early flight from Mcallen Airport to Ontario International Airport? Avoid the stress of rushing to the terminal (and sneak in some extra precious sleep) by choosing one of these stays close to MFE:

Arriving at Ontario International Airport (ONT)

If you're arriving on a late Mcallen Airport to Ontario International Airport flight, few things beat the convenience of staying near the terminal. Pick up your bags from the carousel and then be showered and resting shortly after at one of these hotels near ONT:
Get your adventure underway by picking up a Ontario International Airport rental car. Grab a set of wheels from Dollar, Fox - Rent A Car or Thrifty and experience the lesser-explored corners of Ontario and beyond.
Lock in the lowest price by reserving your ride from Ontario International Airport around three weeks ahead of your departure.

Getting from Ontario International Airport (ONT) to central Ontario

The address for ONT is 2900 E. Airport Drive.
From Ontario International Airport, Ontario is approximately 10 kilometers away. It takes around 15 minutes to reach the center driving.
It typically takes 45 minutes if you're traveling by public transport.

When to fly to Ontario International Airport (ONT)

July is the most popular month for flights from Mcallen Airport to Ontario International Airport. To skip the crowds, travel to Ontario in March.
Lock in your flight from Mcallen Airport to Ontario International Airport for August if you'd like to visit Ontario during its warmest month. You can expect temperatures of between 16ºC (61ºF) and 36ºC (97ºF).
Look for cheap tickets from MFE to ONT in February if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 4ºC (39ºF) and 24ºC (75ºF) on average.

Explore more of the United States

Ontario has plenty to offer, but there are so many other parts of the United States waiting to be discovered. Around 56 kilometers west of Ontario, a visit to Los Angeles will keep your itinerary busy. Start with leading sights like Hollywood Sign, Universal Studios Hollywood and Hollywood Bowl.
Around 153 kilometers south of Ontario, San Diego is another essential stop in the United States. Get a taste of what this destination has to offer at San Diego Zoo, San Diego Balboa Park and USS Midway Museum.