Skyscanner home

Cheap Flights from Ontario International to Montreal

Compare Ontario International to Montreal flight deals

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

Book the best Montreal fare with no extra fees

Flight deals from Ontario International to Montreal

Looking for a cheap last-minute deal or the best return flight from Ontario International to Montreal? Find the lowest prices on one-way and return tickets right here.
Montreal.Rs53,512 per passenger.Departing Fri, 30 Jan.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Ontario International on Fri, 30 Jan, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From Rs53,512, select.
Montreal.Rs53,950 per passenger.Departing Mon, 2 Mar.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Ontario International on Mon, 2 Mar, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From Rs53,950, select.
Montreal.Rs97,297 per passenger.Departing Wed, 17 Jun.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Ontario International on Wed, 17 Jun, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From Rs97,297, select.
Montreal.Rs106,552 per passenger.Departing Tue, 3 Feb.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Ontario International on Tue, 3 Feb, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From Rs106,552, select.
Montreal.Rs109,047 per passenger.Departing Sun, 26 Jul.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Ontario International on Sun, 26 Jul, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From Rs109,047, select.

Find the cheapest month to fly from Ontario International to Montreal

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ontario International to Montreal flights are currently cheapest in January.
Jan
from Rs53,512
Feb
from Rs106,552
Mar
from Rs53,950
Apr
Find prices
May
Find prices
Jun
from Rs97,297
Jul
from Rs109,047
Aug
Find prices
Sep
Find prices
Oct
Find prices
Nov
Find prices
Dec
Find prices

Alternative Ontario International to Montreal routes

Looking for the cheapest, fastest or easiest route from Ontario International to Montreal? You could fly into the following airports instead.

Montreal St Hubert

11km from central Montreal
Closest
from Rs142,138
Search flights

Montreal Pierre Elliott Trudeau

16km from central Montreal
Cheapest
from Rs53,512
Search flights

Montreal Mirabel

41km from central Montreal
Search flights

Ontario to Montreal: Flight information

The things to know before you go.
Cheapest flight foundRs53,512
Cheapest month to flyJanuary

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

There are 3 airports in Montreal: Montreal St Hubert, Montreal Pierre Elliott Trudeau and Montreal Mirabel.
The best price we found for a return flight from Ontario International to Montreal is Rs112,013. 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.
Currently, there are no airlines that fly direct from Ontario International to Montreal. But we found flights with one or more stops from Rs112,013.
As of January 2026, there are no flights flying from Ontario International to Montreal.
The cheapest month to fly from Ontario International to Montreal is usually February.
If you're flying from Ontario International Airport, the cheapest airport near Montreal is Montreal Pierre Elliott Trudeau – which is 16.1 km away from the centre of Montreal. We've found flights into this airport from Rs112,013.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Ontario International Airport to Montreal on Tuesday, 10 February 2026.
No airlines currently offer direct flights between Ontario International Airport and Montreal. Most routes have one or more stops.
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 Montreal 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.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Montreal is around 40 days in advance, so don’t leave your flight to the last minute.
In January, the average temperature is usually around -12°C. July is typically the warmest month in Montreal, when it usually averages around 25°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -17°C. The rainiest month is June.
Currently, Frontier Airlines offers the cheapest flight tickets to Montreal.

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

  • Ontario International Airport is located in Ontario. Based in the UTC-4 timezone, Montreal is three hours ahead of Ontario.

  • For a relaxed start to your ONT to Montreal flight, leave enough time to check in and find your gate. Turning up two hours ahead of international departures and an hour before domestic flights is the standard rule.

  • If you're jetting off during a major holiday or another peak period, give yourself more time. A good rule is two hours ahead of domestic flights and up to four hours before international departures. Queues at check-in and security will be longer.

  • Think about adding a stopover to potentially save on your flight ticket from ONT to Montreal. Simply uncheck 'Direct flights only' during your search. Break up your trip (and maybe save some cash) by stopping at one of these connecting airports:

    • George Bush Intercontinental Airport (IAH)

    • Phoenix Sky Harbour International Airport (PHX)

    • Harry Reid Airport (formerly McCarran Airport) (LAS)

  • ONT is around 5 kilometres from central Ontario. If you're catching a cab, ride-sharing or driving from the centre, it'll take 10 minutes or so to get there, depending on the traffic. If you're using public transport, expect the travel time to be around 1 hour 30 minutes.

  • Searching for a hotel close to ONT? If you've booked an early flight from Ontario International Airport to Montreal, these accommodation options will put you moments from your departure gate:

  • 83.6% of flights leaving Ontario International Airport touch down at their destination on time. With its strong on-time stats, you're unlikely to face delays when taking off from ONT.

  • ONT is located at 2900 E. Airport Drive.

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

  • Rs53,512 is currently the lowest price for a one-way Ontario International Airport to Montreal flight. Return flight tickets start at Rs112,013. These fares can change based on demand.

  • Don't wait until the last minute. You're more likely to find cheap flights from ONT to Montreal if you book ahead. Airlines often offer some fantastic early bird deals.

  • If you're flexible with your trip dates, make the most of the 'Whole month' search tool. It'll find the lowest price across each month when looking for your Ontario International Airport to Montreal ticket.

  • Locking in a cheap flight from ONT to Montreal is a breeze with Price Alerts. Simply create one of these automatic notifications and we'll let you know when a better deal is available.

  • Save money on your flight from Ontario International Airport to Montreal with the help of our filters. Select your preferred duration, departure time and airlines, then sort the results by 'Cheapest' for the best deals.

Airports in Montreal

Montreal-Pierre Elliott Trudeau International Airport (YUL)

  • Montreal-Pierre Elliott Trudeau International Airport (YUL) to central Montreal takes about 25 minutes by car. The centre is roughly 26 kilometres away.

  • Getting to the centre by public transport takes around 45 minutes.

  • The last thing you want is a long journey to your hotel if you're landing late on a flight from Ontario International Airport to Montreal. Check in to one of these accommodation options near YUL instead:

  • Grab a Montreal-Pierre Elliott Trudeau International Airport rental car and explore Montreal and beyond with your own set of wheels. Avis, Alamo and Routes Car Rentals are popular providers to choose from here.

  • Lock in the best deal by booking your vehicle from Montreal-Pierre Elliott Trudeau International Airport about four weeks in advance of your flight from ONT to Montreal.

  • YUL is located at 975 Romeo Vachon Street North.

St. Hubert Airport (YHU)

  • St. Hubert Airport (YHU) is around 40 kilometres from central Montreal. Once you've hopped off your flight from Ontario International Airport to Montreal, it'll take you around 35 minutes to get to the heart of the city in a ride-share or cab.

  • If you travel by public transport, the journey will take you 1 hour 45 minutes or so.

  • You'll find some great places to call home for the night near YHU. Unwind and get cosy after your ONT to Montreal flight at any of these well-located options:

  • Touch down, grab your St. Hubert Airport rental car, and drive away without skipping a beat. Enterprise and Budget are well-known providers you can book with here.

  • Lock in the vehicle you want, not just what's left, by booking your ride from YHU in advance. You can also avoid last-minute price surges, especially when demand is high.

Best time to go to Montreal

  • Carefully consider your travel dates before booking your flight from Ontario International Airport to Montreal. The city buzzes during peak season, but rates are usually higher and attractions can get busy. Visit Montreal in the low season if you prefer a quieter vibe.

  • When booking your Ontario International Airport to Montreal flight ticket, think about the type of weather you enjoy. July is the warmest month in Montreal, with temperatures ranging from 14ºC to 28ºC.

  • Look for cheap tickets from ONT to Montreal in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between -19ºC and -2ºC on average.

More about Montreal

  • When it comes to searching for somewhere to lay your head, you'll find the most popular stays in Montreal right here. Explore these options as soon as you've locked in your flight from Ontario International Airport to Montreal:

  • Every great adventure has to include some sightseeing. Montreal Botanical Garden, Mount Royal Park and Saint Joseph's Oratory of Mount Royal are must-visits when exploring Montreal.

Explore more of Canada

  • You've done Montreal, now it's time to explore other parts of Canada. Travel around 499 kilometres south-west to Toronto to check off its leading attractions. From CN Tower to Royal Ontario Museum and Go Tours Canada - Distillery District, you'll have a packed itinerary ahead.

  • Around 153 kilometres west of Montreal, Ottawa is another essential stop in Canada. Experience this destination's highlights firsthand at Parliament Hill, Rideau Canal and National Gallery of Canada.

Plan the rest of your trip from Ontario to Montreal

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.