Cheap Flights from Ottawa to Montreal

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Compare Ottawa to Montreal flight deals

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

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Flight deals from Ottawa to Montreal

Looking for a cheap last-minute deal or the best return flight from Ottawa to Montreal? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Ottawa to Montreal

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

Direct flights from Ottawa to Montreal

Alternative Ottawa to Montreal routes

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

Ottawa to Montreal: Flight information

The things to know before you go.
Cheapest flight foundR 2,172
Cheapest month to flyApril
Average flight time50 mins
Most popular airlineAir Canada
Average flights per week166

Finding cheap flights from Ottawa 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 Ottawa to Montreal is R 5,923. 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.
50 minutes is the average flight time from Ottawa to Montreal.
Air Canada, PAL Airlines and SWISS fly direct from Ottawa to Montreal.
As of March 2025, there are 166 flights per week flying from Ottawa to Montreal.
The cheapest month to fly from Ottawa to Montreal is usually March 2025.
If you're flying from Ottawa, 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 R 5,923.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Ottawa to Montreal on Saturday, 19 April 2025.
Yes – the average flight time is 50 minutes.
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 March, the average temperature is usually around -4°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.
The cheapest airline that flies to Montreal is WestJet. And the cheapest airline that flies to Montreal Pierre Elliott Trudeau Airport is Air Canada.

Travelling from Ottawa to Montreal: what you need to know

  • All exciting adventures set off from Ottawa's main airport, Ottawa/Macdonald-Cartier International Airport (YOW). Check out your options for booking a flight from Ottawa to Montreal departing from this base.

  • When it comes to landing in Montreal, Montreal-Pierre Elliott Trudeau International Airport (YUL) is a key hub. St. Hubert Airport (YHU) is another.

  • On average, direct flights from Ottawa to Montreal take 49 minutes. Montreal and Ottawa share the same timezone (UTC-4), which means you won't have to change your watch once you land.

  • With 66 flights a week between the two airports, Ottawa/Macdonald-Cartier International Airport (YOW) to Montreal-Pierre Elliott Trudeau International Airport (YUL) is the busiest route. Board the earliest flight from Ottawa to Montreal with Air Canada at 05:55. If you'd like to make the most of your day before leaving, the latest flight from YOW to YUL is with Air Canada at 20:55.

  • To ensure you get on your flight from Ottawa to Montreal, allow plenty of time to navigate the airport and find your gate. Arriving two hours before international departures and an hour before domestic flights is the general travel rule.

  • You'll likely experience longer lines in popular months such as August and other peak seasons. Arriving up to four hours in advance for international flights and two hours for domestic departures will give you plenty of time for security and boarding.

  • You don't need a visa or passport to fly within Canada. You will need a valid proof of identity however, such as a driver's licence or an ID card. Put them on your packing checklist once you've booked cheap flights from Ottawa to Montreal.

Flying from Ottawa

Ottawa/Macdonald-Cartier International Airport (YOW)

  • You can reserve a direct flight from Ottawa to Montreal leaving from Ottawa/Macdonald-Cartier International Airport (YOW). Begin your trip at YOW and arrive at Montreal-Pierre Elliott Trudeau International Airport (YUL).

  • Air Canada is a popular carrier that operates direct flights from Ottawa to Montreal taking off from YOW.

  • Travelling from central Ottawa to YOW takes around 43 minutes on public transport. If you ride-share, drive or get a cab, you'll cover the 13 kilometres in 19 minutes or so, depending on traffic.

  • After a leisurely start to your journey? Stay near Ottawa/Macdonald-Cartier International Airport. Whether you have an early flight from Ottawa to Montreal or just don't like being rushed, these hotels are ideal:

Arriving in Montreal

Montreal-Pierre Elliott Trudeau International Airport (YUL)

St. Hubert Airport (YHU)

How to find the cheapest flights from Ottawa to Montreal

  • R 2,172 is the lowest price for a one-way ticket from Ottawa to Montreal. A return flight starts at R 5,923. These fares can change depending on availability.

  • Get cheap tickets from Ottawa to Montreal by booking at least 9 months ahead. Based on our research, that's the sweet spot for finding the biggest deals.

  • The cheapest month for tickets from Ottawa to Montreal is May. Compare prices using the 'Whole month' tool to find the cheapest travel date.

  • Sign into your online account or use the app to set up a Price Alert. You'll be notified straight away if there's a cheaper deal on this route. It doesn't take long, and it'll save you from searching for cheap tickets from Ottawa to Montreal every day.

  • Tailor your trip using filters. Pick your preferred departure and arrival times, total journey duration and airlines. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest' flights from Ottawa to Montreal.

Best time to go to Montreal

  • It's time to work out your travel dates for your flight from Ottawa to Montreal. August is the most popular month for a trip to Montreal. If you want a more peaceful vibe, go in February.

  • Before locking in your flight from Ottawa to Montreal, think about the kind of weather you like. July is the warmest month in Montreal, with the temperature ranging from 14ºC to 28ºC.

  • If you like cooler conditions, lock in a cheap ticket from Ottawa to Montreal in January when temperatures average between -19ºC and -2ºC.

More about Montreal

  • Start your Montreal trip off on the right foot by choosing the ideal place to stay. As soon as you've booked your flight from Ottawa to Montreal, check out our selection of accommodation options including:

  • Every great journey has to include some sightseeing. Mount Royal Park, Montreal Botanical Garden and Saint Joseph's Oratory of Mount Royal are must-do's during your Montreal adventure.

Complete your Montreal trip with a car rental

  • We use the same magic that helped you find your cheap flight from Ottawa to Montreal to track down amazing deals on car rentals. Search for your ride in seconds and easily compare your options. Plus you'll find all the info you need to drive in Montreal, from the most popular rental company to the average daily price.

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