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Cheap flights from Ottawa to Montreal from C$ 169

YOW — YMQ
1 Oct — 8 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ottawa to Montreal

Enter your travel dates to find the best prices.

Cheapest flights from Ottawa to Montreal

Mon 5/106:50 a.m. -
1 stop9h 55m
Sat 10/107:20 p.m. -
1 stop5h 00m
Deal found 1/9C$ 322
Fri 16/106:50 a.m. -
1 stop11h 30m
Fri 23/107:20 p.m. -
1 stop22h 15m
Deal found 1/9C$ 336
Thu 24/91:50 p.m. -
1 stop4h 53m
Sun 27/94:40 p.m. -
Nonstop0h 55m
Deal found 31/8C$ 339
Thu 24/98:00 a.m. -
1 stop3h 15m
Sun 27/94:15 p.m. -
1 stop3h 45m
Deal found 31/8C$ 341
Thu 24/99:25 p.m. -
Nonstop0h 48m
Sun 27/910:30 a.m. -
1 stop2h 47m
Deal found 29/8C$ 350
Fri 16/1010:00 a.m. -
1 stop7h 02m
Fri 23/107:20 p.m. -
1 stop5h 00m
Deal found 1/9C$ 354
Sat 10/106:25 p.m. -
1 stop6h 00m
Tue 27/106:45 a.m. -
1 stop17h 59m
Deal found 31/8C$ 355
Wed 23/94:00 p.m. -
1 stop3h 20m
Wed 30/92:05 p.m. -
1 stop4h 10m
Deal found 29/8C$ 359

Find flight deals from Ottawa to Montreal

Round-trip from

C$ 312

One-way from

C$ 169

Popular in

July

Cheapest in

September

Average price

C$ 330

Good round-trip deal

C$ 735 or less

Good one-way deal

C$ 477 or less
WestJet
  • WestJet
  • 22/10-23/10
  • 2 total stops
  • 28h 15m total
  • Ottawa to Montreal
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Porter Airlines
  • Porter Airlines
  • 28/9
  • 1 total stop
  • 5h 42m total
  • Ottawa to Montreal
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Highest demand for flights based on searches. 30% potential increase in price (C$ 556 potential increase over avg. RT price).
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Cheapest flight prices on average. 11% potential price decrease (C$ 129 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Price to beat on a round-trip flight from Ottawa to Montreal (YMQ).
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Price to beat on a one-way flight from Ottawa to Montreal (YMQ).
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Ottawa to Montreal that are best for you.

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Route

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Price

Cheapest round-trip

OttawaMontreal

YOW Ottawa - YUL Montreal Pierre Elliott Trudeau Intl

YOWYUL

Ottawa

Sat 26/9

6:25 p.m.-12:25 a.m.

1 stop6h 00m

Montreal Pierre Elliott Trudeau Intl

Tue 29/9

5:45 p.m.-12:20 a.m.

1 stop6h 35m

C$ 339

OttawaMontreal

YOW Ottawa - YUL Montreal Pierre Elliott Trudeau Intl

YOWYUL

Ottawa

Thu 24/9

8:00 a.m.-11:15 a.m.

1 stop3h 15m

Montreal Pierre Elliott Trudeau Intl

Sun 27/9

4:15 p.m.-8:00 p.m.

1 stop3h 45m

C$ 341

OttawaMontreal

YOW Ottawa - YUL Montreal Pierre Elliott Trudeau Intl

YOWYUL

Ottawa

Sat 26/9

1:50 p.m.-6:43 p.m.

1 stop4h 53m

Montreal Pierre Elliott Trudeau Intl

Tue 29/9

2:05 p.m.-6:15 p.m.

1 stop4h 10m

C$ 379
Quickest round-trip

OttawaMontreal

YOW Ottawa - YUL Montreal Pierre Elliott Trudeau Intl

YOWYUL

Ottawa

Thu 24/9

9:25 p.m.-10:13 p.m.

Nonstop0h 48m

Montreal Pierre Elliott Trudeau Intl

Sun 27/9

10:40 a.m.-11:30 a.m.

Nonstop0h 50m

C$ 380

OttawaMontreal

YOW Ottawa - YUL Montreal Pierre Elliott Trudeau Intl

YOWYUL

Ottawa

Thu 22/10

8:15 p.m.-7:05 a.m.

1 stop10h 50m

Montreal Pierre Elliott Trudeau Intl

Fri 23/10

8:00 p.m.-5:35 a.m.

1 stop9h 35m

C$ 389

OttawaMontreal

YOW Ottawa - YUL Montreal Pierre Elliott Trudeau Intl

YOWYUL

Ottawa

Wed 23/9

9:25 p.m.-10:13 p.m.

Nonstop0h 48m

Montreal Pierre Elliott Trudeau Intl

Wed 30/9

10:30 a.m.-1:17 p.m.

1 stop2h 47m

C$ 402

OttawaMontreal

YOW Ottawa - YUL Montreal Pierre Elliott Trudeau Intl

YOWYUL

Ottawa

Sat 24/10

2:00 p.m.-1:20 p.m.

1 stop23h 20m

Montreal Pierre Elliott Trudeau Intl

Sun 25/10

5:25 p.m.-12:50 a.m.

1 stop7h 25m

C$ 444

OttawaMontreal

YOW Ottawa - YUL Montreal Pierre Elliott Trudeau Intl

YOWYUL

Ottawa

Tue 15/9

2:15 p.m.-3:10 p.m.

Nonstop0h 55m

Montreal Pierre Elliott Trudeau Intl

Fri 18/9

5:45 p.m.-12:20 a.m.

1 stop6h 35m

C$ 516

OttawaMontreal

YOW Ottawa - YUL Montreal Pierre Elliott Trudeau Intl

YOWYUL

Ottawa

Sun 13/9

2:15 p.m.-3:10 p.m.

Nonstop0h 55m

Montreal Pierre Elliott Trudeau Intl

Wed 16/9

5:45 p.m.-12:20 a.m.

1 stop6h 35m

C$ 518

OttawaMontreal

YOW Ottawa - YUL Montreal Pierre Elliott Trudeau Intl

YOWYUL

Ottawa

Sat 26/9

7:30 p.m.-8:20 p.m.

Nonstop0h 50m

Montreal Pierre Elliott Trudeau Intl

Tue 29/9

10:40 a.m.-11:30 a.m.

Nonstop0h 50m

C$ 518

Flights are sorted by cheapest round-trip flights first.

Deals found on 31/8

Showing 1-10 of 20 resultsSorted by cheapest first
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Best time to book a flight from Ottawa to Montreal

Have a flexible travel schedule? Discover the best time to fly to Montreal from Ottawa with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Ottawa to Montreal

What is the cheapest time of day to fly from YOW to YMQ?

It’s optimal to fly from Ottawa to Montreal in the morning. By choosing this option you can save up to 15% on the cost of your flight, compared to a flight in the afternoon.

Weekly flight availability from Ottawa to Montreal

The most flights from YOW to YMQ are scheduled on a Monday (23 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (7 on average).

What’s the top layover airport for flights from Ottawa to Montreal?

Toronto (YTZ) – chosen by Cheapflights users on 83% of one-stop itineraries from Ottawa to Montreal on Cheapflights.

What’s the cheapest layover airport for flights from Ottawa to Montreal?

Toronto (YTZ) is the most affordable 1-stop option, with an average round-trip price of C$ 993.

What’s the fastest layover option from Ottawa to Montreal?

Flights via Toronto (YTZ) have the shortest average one-way travel time for 1-stop routes: 3h 05m.

Which airport typically offers the quickest layover for flights from Ottawa to Montreal?

Flights via Toronto (YTZ) offer the fastest connection on this route, with an average layover time of 0h 49m.

What is the cheapest day to fly from Ottawa to Montreal?

Travelers seeking maximum savings on their Ottawa to Montreal flight should consider departing on Friday mornings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

  • What airport do you fly from for flights from Ottawa to Montreal?

    Ottawa (YOW), located 10.6 km from the city centre, is the airport you fly out of when you book flights from Ottawa to Montreal. 0 airlines have flights from Ottawa to Montreal on a regular basis. Booking flights from Ottawa to Montreal should not be difficult; the airport handles an average of 13 outbound flights to Montreal per day.

  • How long is the flight from Ottawa to Montreal?

    For as low as C$ 380, WestJet can have you in Montreal from Ottawa in 48m. Airlines will cover a distance of 151 km. This flight may include one or multiple stops.

  • What are the most reliable airlines from Ottawa to Montreal?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Ottawa to Montreal on time: Emirates (76%), Porter Airlines (65%), Air Transat (65%).

  • What are the cheapest flights from Ottawa to Montreal?

    Looking at all options, your cheapest flight can be booked for C$ 251. While the most popular route (Ottawa - Montreal Pierre Elliott Trudeau Intl) can be booked for C$ 339 on average, our data indicates C$ 2,355 when flying from Ottawa to Montreal.

  • Can I find deals for flights from Ottawa to Montreal that include hotel bookings?

    Yes. In addition to deals on Ottawa to Montreal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ottawa to Montreal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to Montreal.

  • Can I find deals for business class flights from Ottawa to Montreal?

    Yes. Cheapflights offers flight deals from Ottawa to Montreal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Ottawa to Montreal

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Fly with Cheapflights

How does Cheapflights help users find flights from Ottawa to Montreal?

Cheapflights helps you search for flights from Ottawa to Montreal via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Ottawa to Montreal?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ottawa to Montreal.

Can Cheapflights find flights from Ottawa to Montreal with no change fees?

Certainly. Search results for flights to Montreal from Ottawa shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Ottawa to Montreal become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Montreal from Ottawa today and book when prices fit your budget.

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