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Cheap Flights from Ontario International to Montreal Pierre Elliott Trudeau

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Compare Ontario International to Montreal Pierre Elliott Trudeau flight deals

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

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Flight deals from Ontario International to Montreal Pierre Elliott Trudeau

Looking for a cheap last-minute deal or the best return flight from Ontario International to Montreal Pierre Elliott Trudeau? Find the lowest prices on one-way and return tickets right here.
Montreal.R 3,390 per passenger.Departing Wed, 2 Jul.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Ontario International on Wed, 2 Jul, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From R 3,390, select.
Montreal.R 3,486 per passenger.Departing Fri, 15 Aug.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Ontario International on Fri, 15 Aug, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From R 3,486, select.
Montreal.R 3,731 per passenger.Departing Thu, 2 Oct.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Ontario International on Thu, 2 Oct, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From R 3,731, select.
Montreal.R 6,312 per passenger.Departing Thu, 25 Sep.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Ontario International on Thu, 25 Sep, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From R 6,312, select.
Montreal.R 20,298 per passenger.Departing Sat, 28 Jun.One-way flight with Copa.Outbound indirect flight with Copa, departs from Ontario International on Sat, 28 Jun, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From R 20,298, select.
Montreal.R 25,497 per passenger.Departing Sat, 28 Mar.One-way flight with Copa.Outbound indirect flight with Copa, departs from Ontario International on Sat, 28 Mar, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From R 25,497, select.
Montreal.R 26,355 per passenger.Departing Mon, 4 May.One-way flight with Copa.Outbound indirect flight with Copa, departs from Ontario International on Mon, 4 May, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From R 26,355, select.
Montreal.R 26,426 per passenger.Departing Tue, 11 Nov.One-way flight with Copa.Outbound indirect flight with Copa, departs from Ontario International on Tue, 11 Nov, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From R 26,426, select.

Find the cheapest month to fly from Ontario International to Montreal Pierre Elliott Trudeau

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ontario International to Montreal Pierre Elliott Trudeau flights are currently cheapest in July.
Jun
from R 20,198
Jul
from R 3,373
Aug
from R 3,469
Sep
from R 6,281
Oct
from R 3,713
Nov
from R 26,296
Dec
from R 28,771
Jan
from R 49,578
Feb
from R 26,300
Mar
from R 25,372
Apr
Find prices
May
from R 26,226

Ontario International to Montreal Pierre Elliott Trudeau: Alternative routes

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

Ontario to Montreal: Flight information

The things to know before you go.
Cheapest flight foundR 3,390
Cheapest month to flyJuly

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

The best price we found for a return flight from Ontario International to Montreal Pierre Elliott Trudeau is R 7,287. 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 Pierre Elliott Trudeau. But we found flights with one or more stops from R 7,252.
As of June 2025, there are no flights flying from Ontario International to Montreal Pierre Elliott Trudeau.
The cheapest month to fly from Ontario International to Montreal Pierre Elliott Trudeau is usually June 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Ontario International Airport to Montreal Pierre Elliott Trudeau Airport on Monday, 7 July 2025.
No airlines currently offer direct flights between Ontario International Airport and Montreal Pierre Elliott Trudeau Airport. 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 Pierre Elliott Trudeau 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.
Currently, Frontier Airlines offers the cheapest flight tickets to Montreal Pierre Elliott Trudeau.

Flying from Ontario International Airport (ONT) to Montreal-Pierre Elliott Trudeau International Airport (YUL): what you need to know

  • Montreal is three hours ahead of Ontario and is in the UTC-4 timezone.

  • Your ONT to YUL flight won't wait if you're running late, so get to the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

  • During popular months like August, it's best to get to the airport even earlier. Plan to arrive two hours before domestic departures and four hours ahead of an international flight when you travel during a peak period in general.

  • Consider adding a stopover when booking your ticket from Ontario International Airport to Montreal-Pierre Elliott Trudeau 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 ONT and YUL:

    • Harry Reid Airport (formerly McCarran Airport)

    • George Bush Intercontinental Airport

    • Phoenix Sky Harbour International Airport

How to find the cheapest flights from Ontario International Airport (ONT) to Montreal-Pierre Elliott Trudeau International Airport (YUL)

  • The cheapest price we've seen for a one-way Ontario International Airport to Montreal-Pierre Elliott Trudeau International Airport flight is R 3,390. A return plane ticket right now is R 7,287. Depending on the availability when you book, these fares may change.

  • Don't wait until the last minute. You're more likely to find cheap tickets from ONT to YUL if you book in advance. Airlines often offer some terrific early bird discounts.

  • If you can be flexible with your trip dates, try using the 'Whole month' search function. It'll show you the lowest price across every month when looking for your flight from Ontario International Airport to Montreal-Pierre Elliott Trudeau International Airport.

  • Save time searching for cheap flights from ONT to YUL by setting up a Price Alert. You'll get an email or push notification on the app when a new low fare is offered.

  • Pick your ideal departure and arrival times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from Ontario International Airport to Montreal-Pierre Elliott Trudeau International Airport.

Handy information about Ontario International Airport (ONT)

  • ONT's address is 2900 E. Airport Drive.

  • Ontario International Airport gets high marks for its on-time performance. 83.6% of flights that depart ONT arrive at their destination on time.

  • Ontario International Airport is around 6 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.

  • You can expect a journey time of roughly 1 hour 30 minutes on public transport.

  • Get your trip off to a hassle-free start by staying near ONT. Whether you're boarding an early flight from Ontario International Airport to Montreal-Pierre Elliott Trudeau International Airport or just don't like being rushed, these hotels are perfect:

Arriving at Montreal-Pierre Elliott Trudeau International Airport (YUL)

Getting from Montreal-Pierre Elliott Trudeau International Airport (YUL) to central Montreal

  • You'll find YUL at 975 Romeo Vachon Street North.

  • Montreal-Pierre Elliott Trudeau International Airport is roughly 26 kilometres from central Montreal. The drive time takes about 25 minutes.

  • Getting to the centre on public transport will take you around 2 hours 15 minutes.

When to fly to Montreal-Pierre Elliott Trudeau International Airport (YUL)

  • It's time to choose your dates for your flight from Ontario International Airport to Montreal-Pierre Elliott Trudeau International Airport. August is the busiest month to head to Montreal. If you're after a more low-key vibe, go in February.

  • The warmest month in Montreal is July, with the temperature ranging between 14ºC (57ºF) and 28ºC (82ºF). Lock in your flights from Ontario International Airport to Montreal-Pierre Elliott Trudeau International Airport in this month if this is the type of weather you like.

  • January has average temperatures of between -19ºC (-2ºF) and -2ºC (28ºF). Look for cheap tickets from ONT to YUL sometime then if you want to travel in cooler conditions.

Explore more of Canada

  • Toronto is just one of the many cities in Canada waiting to be discovered once you've taken in the sights of Montreal. Around 499 kilometres away to the south-west, its best attractions include CN Tower, Royal Ontario Museum and Go Tours Canada - Distillery District.

  • Around 153 kilometres west of Montreal, Ottawa is another essential stop in Canada. Start your sightseeing 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.