Cheap Flights from Ottawa 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.

Montreal.$554 per passenger.Departing Fri, 9 Jan, returning Sun, 18 Jan.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Ottawa International on Fri, 9 Jan, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with WestJet, departs from Montreal Pierre Elliott Trudeau on Sun, 18 Jan, arriving in Ottawa International.Price includes taxes and charges.From $554, select.

Montreal.$599 per passenger.Departing Thu, 22 Jan, returning Sun, 8 Feb.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Ottawa International on Thu, 22 Jan, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with WestJet, departs from Montreal Pierre Elliott Trudeau on Sun, 8 Feb, arriving in Ottawa International.Price includes taxes and charges.From $599, select.

Montreal.$693 per passenger.Departing Sun, 25 Jan, returning Sun, 1 Feb.Return flight with Air Canada.Outbound direct flight with Air Canada departs from Ottawa International on Sun, 25 Jan, arriving in Montreal Pierre Elliott Trudeau.Inbound direct flight with Air Canada departs from Montreal Pierre Elliott Trudeau on Sun, 1 Feb, arriving in Ottawa International.Price includes taxes and charges.From $693, select.

Montreal.$694 per passenger.Departing Sat, 24 Jan, returning Sat, 31 Jan.Return flight with Air Canada.Outbound direct flight with Air Canada departs from Ottawa International on Sat, 24 Jan, arriving in Montreal Pierre Elliott Trudeau.Inbound direct flight with Air Canada departs from Montreal Pierre Elliott Trudeau on Sat, 31 Jan, arriving in Ottawa International.Price includes taxes and charges.From $694, select.

Montreal.$697 per passenger.Departing Sun, 28 Dec, returning Sun, 18 Jan.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Ottawa International on Sun, 28 Dec, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with WestJet, departs from Montreal Pierre Elliott Trudeau on Sun, 18 Jan, arriving in Ottawa International.Price includes taxes and charges.From $697, select.

Montreal.$708 per passenger.Departing Wed, 1 Apr, returning Thu, 30 Apr.Return flight with WestJet and Porter Airlines.Outbound indirect flight with WestJet, departs from Ottawa International on Wed, 1 Apr, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with Porter Airlines, departs from Montreal Pierre Elliott Trudeau on Thu, 30 Apr, arriving in Ottawa International.Price includes taxes and charges.From $708, select.

Montreal.$746 per passenger.Departing Thu, 12 Feb, returning Sun, 15 Feb.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Ottawa International on Thu, 12 Feb, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with WestJet, departs from Montreal Pierre Elliott Trudeau on Sun, 15 Feb, arriving in Ottawa International.Price includes taxes and charges.From $746, select.

Montreal.$802 per passenger.Departing Sun, 29 Mar, returning Sun, 5 Apr.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Ottawa International on Sun, 29 Mar, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with WestJet, departs from Montreal Pierre Elliott Trudeau on Sun, 5 Apr, arriving in Ottawa International.Price includes taxes and charges.From $802, select.

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 January.

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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 found	$555
Cheapest month to fly	January
Average flight time	41 mins
Most popular airline	Air Canada
Average flights per week	764

Finding cheap flights from Ottawa to Montreal: Frequently asked questions

How many airports are there in Montreal?

There are 3 airports in Montreal: Montreal St Hubert, Montreal Pierre Elliott Trudeau and Montreal Mirabel.

How much are return flights from Ottawa to Montreal?

The best price we found for a return flight from Ottawa to Montreal is $555. 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.

How long does it take to fly from Ottawa to Montreal?

40 minutes is the average flight time from Ottawa to Montreal.

Which airlines fly direct from Ottawa to Montreal?

Air Canada, Jazz Air and SWISS fly direct from Ottawa to Montreal.

How many flights are there a week from Ottawa to Montreal?

As of December 2025, there are 191 flights per week flying from Ottawa to Montreal.

When is the cheapest time to fly from Ottawa to Montreal?

The cheapest month to fly from Ottawa to Montreal is usually January.

Which is the cheapest airport to fly into in Montreal?

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 $555.

Which upcoming date is cheapest to fly from Ottawa to Montreal on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Ottawa to Montreal on Friday, 9 January 2026.

Can I get a direct flight from Ottawa to Montreal?

Yes – the average flight time is 40 minutes.

How can I get the best flight deal from Ottawa to Montreal?

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.

When is the best time to book flights to Montreal?

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.

What’s the weather like in Montreal?

In December, the average temperature is usually around -8°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.

Which is the cheapest airline to fly from Ottawa to Montreal with?

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

Ottawa's main airport is Ottawa/Macdonald-Cartier International Airport (YOW). Explore your options for leaving from this terminal when booking flights from Ottawa to Montreal.
Montreal-Pierre Elliott Trudeau International Airport (YUL) and St. Hubert Airport (YHU) are the chief entry points to Montreal.
The average time for a direct Ottawa to Montreal flight is 50 minutes.
Allow plenty of time to make your Ottawa to Montreal flight. It's generally best to arrive two hours before international departures and an hour ahead for domestic flights.
Heading off during a peak time like a bank holiday? Expect longer queues at security and check-in. For peace of mind, arrive up to four hours before international flights and two hours ahead of domestic departures.

How to find the cheapest flights from Ottawa to Montreal

The lowest price we've seen for a one-way ticket from Ottawa to Montreal is $199. For a return flight on this route, the best price is $554. Depending on when you book and the availability, these fares may change.
Book two months before travelling. Research into pricing trends suggests this is the ideal window for finding cheap Ottawa to Montreal flights.
The best month for scoring cheap plane tickets from Ottawa to Montreal is May. Use the 'Whole month' tool to compare flight prices, then choose the dates offering the lowest fares.
You don't need to check every day to see if fares have dropped when you set up a Price Alert. We'll tell you when there's a better deal on cheap flights from Ottawa to Montreal.
Choose your preferred departure and arrival times, number of stops and airlines with the filters. Alternatively, sort your Ottawa to Montreal flight results by 'Fastest,' 'Cheapest' or 'Best.'

Flying from Ottawa

Ottawa/Macdonald-Cartier International Airport (YOW)

Depart from Ottawa/Macdonald-Cartier International Airport (YOW) on a nonstop flight from Ottawa to Montreal. From YOW, you can fly directly to Montreal-Pierre Elliott Trudeau International Airport (YUL).
Keep an eye out for promotions with Air Canada. This airline offers direct Ottawa to Montreal plane tickets out of YOW.
The journey from central Ottawa to YOW takes about 45 minutes by public transport. If you drive, ride-share or get a cab, you'll cover the 11 kilometres in 20 minutes or so, depending on traffic conditions.
Planning to catch an early flight from Ottawa to Montreal? Avoid rushing to the airport (and catch some extra z's) by choosing one of these stays close to Ottawa/Macdonald-Cartier International Airport:
58.21% of flights that leave from Ottawa/Macdonald-Cartier International Airport reach their destination on time.
You'll find YOW at 50 Airport Road.

Arriving in Montreal

Montreal-Pierre Elliott Trudeau International Airport (YUL)

The distance from Montreal-Pierre Elliott Trudeau International Airport (YUL) to central Montreal is roughly 16 kilometres. It takes around 25 minutes to get to the centre driving.
It typically takes 45 minutes to get there when travelling by public transport.
Consider booking a hotel near YUL if you're coming in on a late flight from Ottawa to Montreal. Pick one of these options and skip the long transfer:
Grab a Montreal-Pierre Elliott Trudeau International Airport rental car and explore Montreal and beyond with your own wheels. Avis, Alamo and Routes Car Rentals are top outlets you can book with here.
Reserving your vehicle from Montreal-Pierre Elliott Trudeau International Airport about four weeks ahead can help you get the lowest rate.
You'll find YUL at 975 Romeo Vachon Street North.

St. Hubert Airport (YHU)

As soon as your flight from Ottawa to Montreal has arrived, you can get to the city centre in about 35 minutes by car. Central Montreal is approximately 26 kilometres from St. Hubert Airport (YHU).
If you're catching public transport, it'll take approximately 1 hour 45 minutes.
Why wait around for a cab? A St. Hubert Airport rental car lets you start exploring right away. Roll down your windows and hit the road with a set of wheels from Enterprise or Budget.
Generally, the sooner you book, the bigger the savings and variety of vehicles. Reserve your ride from YHU as soon as you've confirmed your plans.

Best time to go to Montreal

It's time to plan your dates for your flight from Ottawa to Montreal. August is the busiest month for a trip to Montreal. If you like a more relaxed atmosphere, go in February.
Before locking in your Ottawa to Montreal tickets, consider the type of weather you enjoy. July is the warmest month in Montreal, with temperatures ranging from 14ºC to 28ºC.
January sees average temperatures of between -19ºC and -2ºC. Search for cheap flights from Ottawa to Montreal around that time if you like cooler conditions.

More about Montreal

When it comes to searching for somewhere to rest your head, you'll find the most popular stays in Montreal right here. Explore these options once you've booked your flight from Ottawa to Montreal:
There are so many things to do and see in this city it can be tricky to work out where to start. Mount Royal Park, Montreal Botanical Garden and Saint Joseph's Oratory of Mount Royal are leading attractions which should feature on any well-planned Montreal itinerary.

Explore more of Canada

You've done Montreal, now it's time to explore other parts of Canada. Journey around 499 kilometres south-west to Toronto to tick off its popular sights. From CN Tower to Royal Ontario Museum and Go Tours Canada - Distillery District, you'll have a full itinerary ahead.
If you want to check out another major destination in Canada, consider Ottawa, about 153 kilometres west of Montreal. Parliament Hill, Rideau Canal and National Gallery of Canada are key highlights.