Cheap Flights from Montreal to Ontario International

Compare Montreal 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 from Montreal to Ontario International

Looking for a cheap last-minute deal or the best return flight from Montreal to Ontario International Airport? If you want to travel next month, return fares start from Rs112,577. Find the lowest prices on one-way and return tickets right here.

Ontario.Rs61,211 per passenger.Departing Wed, 14 Apr.One-way flight with Delta.Outbound indirect flight with Delta, departs from Montreal Pierre Elliott Trudeau on Wed, 14 Apr, arriving in Ontario International.Price includes taxes and charges.From Rs61,211, select.

Ontario.Rs64,338 per passenger.Departing Wed, 2 Sep.One-way flight with Delta.Outbound indirect flight with Delta, departs from Montreal Pierre Elliott Trudeau on Wed, 2 Sep, arriving in Ontario International.Price includes taxes and charges.From Rs64,338, select.

Ontario.Rs64,443 per passenger.Departing Tue, 25 Aug.One-way flight with Delta.Outbound indirect flight with Delta, departs from Montreal Pierre Elliott Trudeau on Tue, 25 Aug, arriving in Ontario International.Price includes taxes and charges.From Rs64,443, select.

Ontario.Rs64,468 per passenger.Departing Wed, 9 Dec.One-way flight with Delta.Outbound indirect flight with Delta, departs from Montreal Pierre Elliott Trudeau on Wed, 9 Dec, arriving in Ontario International.Price includes taxes and charges.From Rs64,468, select.

Ontario.Rs70,919 per passenger.Departing Fri, 27 Nov.One-way flight with Delta.Outbound indirect flight with Delta, departs from Montreal Pierre Elliott Trudeau on Fri, 27 Nov, arriving in Ontario International.Price includes taxes and charges.From Rs70,919, select.

Ontario.Rs71,380 per passenger.Departing Tue, 1 Jun.One-way flight with Delta.Outbound indirect flight with Delta, departs from Montreal Pierre Elliott Trudeau on Tue, 1 Jun, arriving in Ontario International.Price includes taxes and charges.From Rs71,380, select.

Ontario.Rs95,625 per passenger.Departing Tue, 13 Oct.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Montreal Pierre Elliott Trudeau on Tue, 13 Oct, arriving in Ontario International.Price includes taxes and charges.From Rs95,625, select.

Ontario.Rs103,103 per passenger.Departing Tue, 28 Jul.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from Montreal Pierre Elliott Trudeau on Tue, 28 Jul, arriving in Ontario International.Price includes taxes and charges.From Rs103,103, select.

Find the cheapest month to fly from Montreal to Ontario International

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

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Montreal to Ontario International: Alternative routes

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

Montreal to Ontario: Flight information

The things to know before you go.

Cheapest flight found	Rs61,211
Cheapest month to fly	April

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

How much are return flights from Montreal to Ontario International?

The best price we found for a return flight from Montreal to Ontario International is Rs112,577. 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 Montreal to Ontario International?

Currently, there are no airlines that fly direct from Montreal to Ontario International. But we found flights with one stop from Rs112,577.

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

As of July 2026, there are no flights flying from Montreal to Ontario International.

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

The cheapest month to fly from Montreal to Ontario International is usually August.

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

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Montreal to Ontario International Airport on Saturday, 22 August 2026.

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

No airlines currently offer direct flights between Montreal 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 from Montreal to Ontario International with?

The cheapest airline that flies to Ontario International is Delta .

Travelling from Montreal to Ontario International Airport (ONT): What you need to know

Ontario is three hours behind Montreal. Ontario International Airport is located in Ontario, which operates on the UTC-8 timezone.
To ensure you catch your flight from Montreal to ONT, leave plenty of time to navigate the airport and find your gate. Arriving two hours ahead of international departures and one hour before domestic flights is the general travel rule.
Travelling during a peak month like July? Major public holidays and other popular seasons can mean longer queues at security. Be extra cautious and arrive up to four hours before international flights and two hours before a domestic departure.

Airports in Montreal

Montreal-Trudeau International Airport (YUL)

The journey from central Montreal to YUL takes about 45 minutes on public transport. If you ride-share, drive or grab a taxi, you'll cover the 19 kilometres in 25 minutes or so, depending on traffic.
Want a stress-free start to your break? Stay near Montreal-Trudeau International Airport. Whether you have an early flight from Montreal to Ontario International Airport or just don't want to be rushed, these hotels offer the perfect solution:
65% of flights departing from Montreal-Trudeau International Airport reach their destination on schedule.
YUL is located at 975 Romeo Vachon Street North.

Montreal Metropolitan Airport (YHU)

YHU is about 23 kilometres from central Montreal. It'll take you 25 minutes or so to get to the airport in a car from the city centre. Public transport takes roughly 1 hour.
Want to enjoy an extra night away before catching your Montreal to ONT flight? Relax in a hotel near Montreal Metropolitan Airport before your trip officially starts. Here's where you can stay:

About Ontario International Airport (ONT)

Consider booking a hotel close to ONT if you have a late flight from Montreal to Ontario International Airport. Select one of these options and end the night sooner:
Say yes to new adventures by picking up a Ontario International Airport rental car. Grab your wheels from Dollar, Fox - Rent A Car or Thrifty and explore beyond Ontario's main sights.
Booking your ride around three weeks ahead of your Montreal to Ontario International Airport flight can help you get the lowest rate.
ONT is located at 2900 E. Airport Drive.

Getting from Ontario International Airport (ONT) to central Ontario

From Ontario International Airport, central Ontario is around 10 kilometres away. It takes about 15 minutes to get to the city centre by car.
Travelling by public transport takes roughly 45 minutes.

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

Rs61,211 is currently the best price for a one-way ticket from Montreal to Ontario International Airport. A return flight starts at Rs112,577. These prices may change depending on availability and demand.
Don't leave things to the last moment. You're more likely to walk away with cheap flights from Montreal to ONT if you book in advance. Airlines often offer some fantastic early bird rates.
If you're flexible with your travel plans, use the 'Whole month' search tool. It'll show you the cheapest price across every month when searching for your Montreal to Ontario International Airport ticket.
Never miss a deal on plane tickets from Montreal to ONT by setting up a Price Alert. We'll send you an email or push notification on the app when a lower fare pops up.
Filters make it easier to land a deal on your flight from Montreal to Ontario International Airport. Choose the flight times, carriers and stops that look good to you. Then sort the results by 'Cheapest' to zero in on the cheapest fare fast.

The best time to fly from Montreal to Ontario International Airport (ONT)

Think about the kind of holiday you want when deciding your trip dates. September is the quietest month to go to Ontario. October is when most people book flights from Montreal to Ontario International Airport (ONT), which may be perfect if you enjoy travelling when it's busier.
Lock in a Montreal to ONT plane ticket departing in August if you're eager to experience the city during its warmest month. Expect temperatures in Ontario to range from 15ºC to 35ºC.
Look for cheap tickets from Montreal to Ontario International Airport in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 4ºC and 23ºC.

More about Ontario

Start your Ontario trip off on the right foot by choosing the ideal place to stay. Once you've booked your flight from Montreal to Ontario International Airport, browse our range of hotels including:
Conservation Park and Skate Board Park are just a couple of the top attractions to add to your Ontario itinerary. Keep the momentum going by heading to Citizens Business Bank Arena.

Explore more of the United States

You've visited Ontario, now it's time to discover other corners of the United States. Journey about 153 kilometres south to San Diego to check off its leading sights. From San Diego Zoo to San Diego Balboa Park and USS Midway Museum, you'll have a full itinerary ahead.
If you want to check out another well-known destination in the United States, consider Bakersfield, roughly 193 kilometres northwest of Ontario. Kern County Museum, Dr. Martin Luther King, Jr. Park and Rabobank Arena, Theatre & Convention Centre are the start of reasons to visit.