Cheap Flights from Ottawa International to Montreal

Compare Ottawa International 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 International to Montreal

Looking for a cheap last-minute deal or the best return flight from Ottawa International Airport to Montreal? If you want to travel next month, return fares start from Rs94,634. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Ottawa International to Montreal

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

Direct flights from Ottawa International to Montreal

Alternative Ottawa International to Montreal routes

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

Ottawa to Montreal: Flight information

The things to know before you go.
Cheapest flight foundRs41,171
Cheapest month to flyJune
Average flight time51 mins
Most popular airlineAir Canada
Average flights per week228

Finding cheap flights from Ottawa 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 Ottawa International to Montreal is Rs83,235. 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.
51 minutes is the average flight time from Ottawa International to Montreal.
Air Canada, Lufthansa and SWISS fly direct from Ottawa International to Montreal.
As of May 2026, there are 456 flights per week flying from Ottawa International to Montreal.
The cheapest month to fly from Ottawa International to Montreal is usually May.
If you're flying from Ottawa 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 Rs83,235.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Ottawa International Airport to Montreal on Thursday, 28 May 2026.
Yes – the average flight time is 51 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 May, 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, WestJet and Hahn Air Technologies offer the cheapest flight tickets to Montreal.

Travelling from Ottawa/Macdonald-Cartier International Airport (YOW) to Montreal: what you need to know

  • Around 45 minutes is how long you can expect to be travelling on a direct flight from Ottawa/Macdonald-Cartier International Airport to Montreal.

  • Montreal and Ottawa (where Ottawa/Macdonald-Cartier International Airport is located) are in the UTC-4 timezone. This means there's no time difference to adjust for.

  • With 48 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. Air Canada operates the earliest flight at 05:45. If you'd like to make the most of your day before flying, the latest departure from YOW to YUL is with Air Canada at 21:45.

  • For stress-free travel, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This ensures you have enough time to catch your YOW to Montreal flight.

  • You'll likely experience bigger queues during popular months such as August. Arriving up to four hours ahead of an international flight and two hours for a domestic departure is a wise move.

  • Start your journey at YOW and fly nonstop to Montreal-Pierre Elliott Trudeau International Airport (YUL). That will be your arrival point when searching for Ottawa/Macdonald-Cartier International Airport to Montreal tickets.

  • Take to the skies with Air Canada. This airline offers direct flights from Ottawa/Macdonald-Cartier International Airport to Montreal.

  • Travelling from central Ottawa to YOW takes around 45 minutes on public transport. If you drive, ride-share or grab a cab, you'll cover the 11 kilometres in 20 minutes or so, depending on traffic conditions.

  • Want a hassle-free start to your holiday? Stay near YOW. Whether you're taking an early flight from Ottawa/Macdonald-Cartier International Airport to Montreal or just don't like being rushed, these hotels are all about convenience:

  • Of all flights leaving Ottawa/Macdonald-Cartier International Airport, 58.21% arrive on time at their destination.

  • You'll find YOW at 50 Airport Road.

How to find the cheapest flights from Ottawa/Macdonald-Cartier International Airport (YOW) to Montreal

  • Rs41,171 is the cheapest price we've found for a one-way Ottawa/Macdonald-Cartier International Airport to Montreal flight. A round-trip plane ticket right now is Rs83,235. Depending on how early you book and the availability, these fares could change.

  • Book one month before you want to fly. Research on pricing trends suggests this is the ideal window for finding cheap flights from YOW to Montreal.

  • May is the best month for picking up an incredible deal on Ottawa/Macdonald-Cartier International Airport to Montreal tickets. If you're looking to travel during a different time of year, the 'Whole month' tool will show you the lowest prices for every month.

  • There's no need to check back constantly to see if fares have dropped when you set up a Price Alert. We'll notify you when there's an extra saving on cheap flights from YOW to Montreal.

  • Tailor your flights with filters. Choose your preferred departure and arrival times, airlines and total journey duration. You can also sort results by 'Fastest,' 'Best' or 'Cheapest' flights from Ottawa/Macdonald-Cartier International Airport to Montreal.

Airports in Montreal

Montreal-Pierre Elliott Trudeau International Airport (YUL)

  • Montreal-Pierre Elliott Trudeau International Airport (YUL) is around 26 kilometres from the centre of Montreal. If you're grabbing a cab or a ride-share, the drive takes roughly 25 minutes.

  • It typically takes 45 minutes to get there using public transport.

  • The last thing you need is a long journey to your hotel if you're landing late on a flight from Ottawa/Macdonald-Cartier International Airport to Montreal. Reserve one of these accommodation options near YUL instead:

  • Explore without limits with a Montreal-Pierre Elliott Trudeau International Airport rental car. Pick up your wheels from Avis, Alamo or Routes Car Rentals and find adventure across Montreal and beyond.

  • To lock in the lowest price, book your ride from Montreal-Pierre Elliott Trudeau International Airport about four weeks ahead of your flight from YOW to Montreal.

  • YUL is located at 975 Romeo Vachon Street North.

St. Hubert Airport (YHU)

  • Central Montreal is around 40 kilometres from St. Hubert Airport (YHU). Once your flight from Ottawa/Macdonald-Cartier International Airport to Montreal has landed and you've made your way to arrivals, expect a drive of about 35 minutes.

  • The trip will take roughly 1 hour 45 minutes on public transport.

  • You'll find some great places to rest your head close to YHU. Tuck yourself in and get cosy after your YOW to Montreal flight at one of these perfectly located options:

  • Pick up a St. Hubert Airport rental car and be in control of your journey. You can select from top providers like Enterprise and Budget.

  • Save time at the rental desk by completing your booking beforehand. Reserve your ride from YHU ahead of time so you can just grab the keys and get going.

Best time to go to Montreal

  • Before scheduling your flights from Ottawa/Macdonald-Cartier International Airport to Montreal, consider which time of year is best for you. Peak season in Montreal offers a lively atmosphere and plenty of activities, while the low season brings better hotel deals and fewer crowds.

  • Before locking in your Ottawa/Macdonald-Cartier 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.

  • Search for cheap tickets from YOW to Montreal in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between -19ºC and -2ºC on average.

More about Montreal

  • After booking your flight from Ottawa/Macdonald-Cartier International Airport to Montreal, find a hotel that keeps you close to what you want to see. Make one of these options your base for exploring Montreal:

  • There are so many things to explore in this city it can be difficult to know where to begin. Montreal Botanical Garden, Mount Royal Park and Saint Joseph's Oratory of Mount Royal are highlights which should feature on any well-planned Montreal itinerary.

Explore more of Canada

  • Montreal will leave a lasting impression, but there are so many other corners of Canada just waiting to be discovered. Around 499 kilometres south-west of Montreal, a visit to Toronto will keep you busy. Start with attractions like CN Tower, Royal Ontario Museum and Go Tours Canada - Distillery District.

  • If there's time to check out another side of Canada, head for Ottawa, roughly 153 kilometres west of Montreal. Parliament Hill, Rideau Canal and National Gallery of Canada are key highlights.

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