Cheap Flights from Montreal to Ottawa

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Compare Montreal to Ottawa flight deals

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

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Flight deals from Montreal to Ottawa

Looking for a cheap last-minute deal or the best return flight from Montreal to Ottawa? If you want to travel next month, return fares start from $344. Find the lowest prices on one-way and return tickets right here.

Ottawa.$344 per passenger.Departing Thu, 1 Oct, returning Sun, 4 Oct.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Montreal Pierre Elliott Trudeau on Thu, 1 Oct, arriving in Ottawa International.Inbound indirect flight with WestJet, departs from Ottawa International on Sun, 4 Oct, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From $344, select.

Ottawa.$381 per passenger.Departing Fri, 25 Sep, returning Sat, 26 Sep.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Montreal Pierre Elliott Trudeau on Fri, 25 Sep, arriving in Ottawa International.Inbound indirect flight with WestJet, departs from Ottawa International on Sat, 26 Sep, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From $381, select.

Ottawa.$384 per passenger.Departing Wed, 30 Sep, returning Sun, 4 Oct.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Montreal Pierre Elliott Trudeau on Wed, 30 Sep, arriving in Ottawa International.Inbound indirect flight with WestJet, departs from Ottawa International on Sun, 4 Oct, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From $384, select.

Ottawa.$405 per passenger.Departing Sat, 10 Oct, returning Mon, 19 Oct.Return flight with Air Canada.Outbound direct flight with Air Canada departs from Montreal Pierre Elliott Trudeau on Sat, 10 Oct, arriving in Ottawa International.Inbound direct flight with Air Canada departs from Ottawa International on Mon, 19 Oct, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From $405, select.

Ottawa.$406 per passenger.Departing Sun, 27 Sep, returning Wed, 30 Sep.Return flight with Air Canada.Outbound direct flight with Air Canada departs from Montreal Pierre Elliott Trudeau on Sun, 27 Sep, arriving in Ottawa International.Inbound direct flight with Air Canada departs from Ottawa International on Wed, 30 Sep, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From $406, select.

Ottawa.$436 per passenger.Departing Sat, 5 Dec, returning Sat, 12 Dec.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Montreal Pierre Elliott Trudeau on Sat, 5 Dec, arriving in Ottawa International.Inbound indirect flight with WestJet, departs from Ottawa International on Sat, 12 Dec, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From $436, select.

Ottawa.$436 per passenger.Departing Sat, 28 Nov, returning Sat, 5 Dec.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Montreal Pierre Elliott Trudeau on Sat, 28 Nov, arriving in Ottawa International.Inbound indirect flight with WestJet, departs from Ottawa International on Sat, 5 Dec, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From $436, select.

Ottawa.$472 per passenger.Departing Thu, 15 Oct, returning Thu, 5 Nov.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Montreal Pierre Elliott Trudeau on Thu, 15 Oct, arriving in Ottawa International.Inbound indirect flight with WestJet, departs from Ottawa International on Thu, 5 Nov, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From $472, select.

Ottawa.$478 per passenger.Departing Wed, 30 Sep, returning Sun, 4 Oct.Return flight with Air Canada.Outbound direct flight with Air Canada departs from Montreal Pierre Elliott Trudeau on Wed, 30 Sep, arriving in Ottawa International.Inbound direct flight with Air Canada departs from Ottawa International on Sun, 4 Oct, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From $478, select.

Ottawa.$490 per passenger.Departing Sat, 14 Nov, returning Sat, 21 Nov.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Montreal Pierre Elliott Trudeau on Sat, 14 Nov, arriving in Ottawa International.Inbound indirect flight with WestJet, departs from Ottawa International on Sat, 21 Nov, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From $490, select.

Ottawa.$492 per passenger.Departing Sat, 30 Jan, returning Sat, 6 Feb.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Montreal Pierre Elliott Trudeau on Sat, 30 Jan, arriving in Ottawa International.Inbound indirect flight with WestJet, departs from Ottawa International on Sat, 6 Feb, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From $492, select.

Ottawa.$492 per passenger.Departing Mon, 1 Feb, returning Mon, 8 Feb.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Montreal Pierre Elliott Trudeau on Mon, 1 Feb, arriving in Ottawa International.Inbound indirect flight with WestJet, departs from Ottawa International on Mon, 8 Feb, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From $492, select.

Ottawa.$493 per passenger.Departing Mon, 11 Jan, returning Mon, 18 Jan.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Montreal Pierre Elliott Trudeau on Mon, 11 Jan, arriving in Ottawa International.Inbound indirect flight with WestJet, departs from Ottawa International on Mon, 18 Jan, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From $493, select.

Ottawa.$579 per passenger.Departing Sun, 18 Apr, returning Thu, 22 Apr.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Montreal Pierre Elliott Trudeau on Sun, 18 Apr, arriving in Ottawa International.Inbound indirect flight with WestJet, departs from Ottawa International on Thu, 22 Apr, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From $579, select.

Ottawa.$623 per passenger.Departing Thu, 5 Nov, returning Sun, 8 Nov.Return flight with Air Canada.Outbound direct flight with Air Canada departs from Montreal Pierre Elliott Trudeau on Thu, 5 Nov, arriving in Ottawa International.Inbound direct flight with Air Canada departs from Ottawa International on Sun, 8 Nov, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From $623, select.

Ottawa.$672 per passenger.Departing Thu, 22 Oct, returning Tue, 3 Nov.Return flight with Air Canada.Outbound direct flight with Air Canada departs from Montreal Pierre Elliott Trudeau on Thu, 22 Oct, arriving in Ottawa International.Inbound direct flight with Air Canada departs from Ottawa International on Tue, 3 Nov, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From $672, select.

Find the cheapest month to fly from Montreal to Ottawa

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

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Direct flights from Montreal to Ottawa

Alternative Montreal to Ottawa routes

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

Ottawa International

11km from central Ottawa

ClosestCheapest

from $344

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Ottawa Gatineau

15km from central Ottawa

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Montreal to Ottawa: Flight information

The things to know before you go.

Cheapest flight found	$344
Cheapest month to fly	October
Average flight time	43 mins
Most popular airline	Air Canada
Average flights per week	200

Finding cheap flights from Montreal to Ottawa: Frequently asked questions

How many airports are there in Ottawa?

There are 2 airports in Ottawa: Ottawa International and Ottawa Gatineau.

How much are return flights from Montreal to Ottawa?

The best price we found for a return flight from Montreal to Ottawa is $344. 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 Montreal to Ottawa?

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

Which airlines fly direct from Montreal to Ottawa?

Air Canada, Lufthansa and PAL Airlines fly direct from Montreal to Ottawa.

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

As of September 2026, there are 200 flights per week flying from Montreal to Ottawa.

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

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

Which is the cheapest airport to fly into in Ottawa?

If you're flying from Montreal, the cheapest airport near Ottawa is Ottawa International – which is 11.2 km away from the centre of Ottawa. We've found flights into this airport from $344.

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

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Montreal to Ottawa on Thursday, 1 October 2026.

Can I get a direct flight from Montreal to Ottawa?

Yes – the average flight time is 42 minutes.

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

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 Ottawa 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 Ottawa?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Ottawa is around 40 days in advance, so don’t leave your flight to the last minute.

What’s the weather like in Ottawa?

In September, the average temperature is usually around 16°C. July is typically the warmest month in Ottawa, when it usually averages around 26°C. You can expect the least rain in January. The coldest month is January, with temperatures averaging -12°C. The rainiest month is June.

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

The cheapest airline that flies to Ottawa is WestJet. And the cheapest airline that flies to Ottawa Gatineau Airport is Air Canada.

Flying from Montreal to Ottawa: what you need to know

Start your journey at one of Montreal's main airports, Montreal Pierre Elliott Trudeau Airport (YUL) or Montreal St Hubert Airport (YHU). Check out your options for booking a flight from Montreal to Ottawa departing from either of these.
Get off the plane at Ottawa International Airport (YOW). This is the primary arrival point in Ottawa.
Jump on a direct Montreal to Ottawa flight and you'll be flying for an average of 45 minutes.
Montreal and Ottawa follow the same timezone, UTC-5.
Pick from 55 weekly services between Montreal Pierre Elliott Trudeau Airport (YUL) and Ottawa International Airport (YOW). This is the most popular route when booking flights from Montreal to Ottawa.
To ensure you get on your Montreal to Ottawa flight, leave plenty of time for things like baggage drop and finding your gate. Turning up two hours ahead of international departures and one hour before domestic flights is the standard rule.
Travelling during a popular month like July? Public holidays and other popular seasons can lead to longer lines at security. Play things extra safe and get there up to four hours before international flights and two hours before a domestic departure.

How to find the cheapest flights from Montreal to Ottawa

To find cheap Montreal to Ottawa flights, book early. Airlines tend to offer the most competitive fares when tickets first go on sale.
If you're willing to be flexible with your trip dates, use the 'Whole month' tool. It'll give you the cheapest price across every month when searching for your plane ticket from Montreal to Ottawa.
Spend less time searching for cheap flights from Montreal to Ottawa by setting up a Price Alert. We'll send you an email or push notification on the app when a new low fare is offered.
Lock in a cheap Montreal to Ottawa flight with the help of our filters. Choose your preferred duration, number of stops and airlines, then sort the results by 'Cheapest' to see the best deals.

Flying from Montreal

Montreal Pierre Elliott Trudeau Airport (YUL)

If you're looking for a direct flight from Montreal to Ottawa, you can leave from Montreal Pierre Elliott Trudeau Airport (YUL). Get from YUL to Ottawa International Airport (YOW) in one seamless trip.
Choose from a variety of airlines that offer direct Montreal to Ottawa plane tickets out of YUL. Claim your seat with one of these carriers:
YUL is about 16 kilometres from central Montreal. If you're driving, catching a taxi or ride-sharing from the centre, it'll take 25 minutes or so to get there, depending on traffic conditions. If you're planning to take public transport, expect the travel time to be around 45 minutes.
Searching for a convenient hotel near Montreal Pierre Elliott Trudeau Airport? If you're catching an early flight from Montreal to Ottawa, these stays will put you moments from your departure gate:
67% of flights leaving from Montreal Pierre Elliott Trudeau Airport make it to their destination on time.
You'll find YUL at 975 Romeo Vachon Street North.

Arriving in Ottawa

Ottawa International Airport (YOW)

Ottawa International Airport (YOW) to central Ottawa takes around 20 minutes by car. The centre is roughly 11 kilometres away.
Getting to the centre by public transport will take you around 35 minutes.
The last thing you want is a lengthy journey to your hotel if you're getting in late on a flight from Montreal to Ottawa. Stay at one of these accommodation options near YOW instead:
Travel at your own pace with a Ottawa International Airport rental car. Book your wheels from Routes Car Rentals, Alamo or Budget and chase adventure across Ottawa and beyond.
To get the best deal, reserve your ride from Ottawa International Airport about two weeks ahead of your Montreal to Ottawa flight.
YOW is situated at 50 Airport Road.

Ottawa Gatineau Airport (YND)

If you're staying in Ottawa's centre (or just want to see the sights straight away), the city is around 14 kilometres from Ottawa Gatineau Airport (YND). Look for any visitor information desks to help direct you after disembarking your flight from Montreal to Ottawa.
After your flight from Montreal to Ottawa, settle in at a hotel close to YND. These are some comfortable options that'll help you sink into relaxation mode:
Usually, the sooner you book, the better the prices and vehicle selection. Reserve your ride from YND the moment you know your dates.

Best time to go to Ottawa

November is the quietest month for flights from Montreal to Ottawa, while July is the busiest. Choose the best time to visit Ottawa based on whether you want a laid-back vibe or a lively atmosphere.
When booking your Montreal to Ottawa tickets, consider what kind of weather you prefer. July is the warmest month in Ottawa, with temperatures ranging from 14ºC to 28ºC.
If you want cooler conditions, search for a cheap flight from Montreal to Ottawa in January when temperatures average between -19ºC and -2ºC.

More about Ottawa

Start your Ottawa trip off on the right foot by choosing the ideal place to stay. As soon as you've booked your flight from Montreal to Ottawa, browse our range of hotels including:
Rideau Canal National Historic Site and Parliament Hill are a couple of popular attractions to put on your Ottawa to-do list. Continue your sightseeing adventures at Rideau Canal, Locks 1 - 8 - Ottawa.

Explore more of Canada

Toronto is just one of the many places in Canada waiting to be discovered after you've experienced Ottawa. Around 354 kilometres to the southwest, popular attractions include CN Tower, Royal Ontario Museum and Toronto Islands.
Montreal is another sought-after destination in Canada and is around 161 kilometres east of Ottawa. No journey is complete without dropping by Notre-Dame Basilica of Montreal, Montreal International Jazz Festival and Cirque du Soleil.