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Cheap flights from Ottawa to Montreal Pierre Elliott Trudeau Intl Airport from C$ 162

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/9. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — YUL
23 Aug — 30 Aug1
1 adult

Cheap flight deals from Ottawa to Pierre Elliott Trudeau Intl

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Pierre Elliott Trudeau Intl (YUL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 18 August 2025.

Round-trip from

C$ 283

One-way from

C$ 167

Popular in

April

Cheapest in

September

Average price

C$ 734

Good round-trip deal

C$ 918 or less

Good one-way deal

C$ 438 or less
WestJet
  • WestJet
  • 18/9-21/9
  • 2 total stops
  • 36h 09m total
  • Ottawa to Montreal
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WestJet
  • WestJet
  • 7/10
  • 1 total stop
  • 18h 32m total
  • Ottawa to Montreal
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Highest demand for flights based on searches. 25% potential increase in price (C$ 405 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease (C$ 52 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Ottawa to Montreal Pierre Elliott Trudeau Intl.
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Price to beat on a one-way flight from Ottawa to Montreal Pierre Elliott Trudeau Intl.
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Find flight deals from Ottawa to Pierre Elliott Trudeau Intl

Cheapest flights from Ottawa to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from Ottawa to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 August 2025.

Thu 18/95:55 a.m.YOW - YUL
1 stop18h 32mWestJet
Sun 21/96:45 a.m.YUL - YOW
1 stop17h 37mWestJet
Deal found 18/8C$ 283
Mon 15/95:55 a.m.YOW - YUL
1 stop18h 32mWestJet
Mon 22/96:45 a.m.YUL - YOW
1 stop17h 37mWestJet
Deal found 18/8C$ 330
Mon 15/95:55 a.m.YOW - YUL
1 stop18h 32mMultiple Airlines
Mon 22/98:55 a.m.YUL - YOW
1 stop4h 04mMultiple Airlines
Deal found 16/8C$ 420
Mon 20/105:55 a.m.YOW - YUL
1 stop18h 32mMultiple Airlines
Fri 21/116:45 a.m.YUL - YOW
1 stop25h 40mMultiple Airlines
Deal found 18/8C$ 421
Sat 4/105:55 a.m.YOW - YUL
1 stop12h 05mMultiple Airlines
Tue 7/1010:00 a.m.YUL - YOW
1 stop7h 21mMultiple Airlines
Deal found 17/8C$ 430
Tue 21/105:55 a.m.YOW - YUL
1 stop12h 05mMultiple Airlines
Sat 25/106:45 a.m.YUL - YOW
1 stop17h 37mMultiple Airlines
Deal found 16/8C$ 431
Tue 21/105:55 a.m.YOW - YUL
1 stop12h 05mMultiple Airlines
Fri 24/106:45 a.m.YUL - YOW
1 stop17h 37mMultiple Airlines
Deal found 16/8C$ 432
Sat 13/95:55 a.m.YOW - YUL
1 stop12h 00mMultiple Airlines
Sat 20/96:45 a.m.YUL - YOW
1 stop17h 37mMultiple Airlines
Deal found 16/8C$ 438
Tue 30/95:55 a.m.YOW - YUL
1 stop18h 32mWestJet
Tue 7/106:45 a.m.YUL - YOW
1 stop17h 37mWestJet
Deal found 15/8C$ 439
Sat 13/95:55 a.m.YOW - YUL
1 stop18h 32mWestJet
Sat 20/96:45 a.m.YUL - YOW
1 stop17h 37mWestJet
Deal found 16/8C$ 441
Fri 17/105:55 a.m.YOW - YUL
1 stop18h 32mWestJet
Sat 25/106:45 a.m.YUL - YOW
1 stop17h 37mWestJet
Deal found 16/8C$ 442

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ottawa to Pierre Elliott Trudeau Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 18 August 2025.
Use the filters below to find and compare flights from Ottawa to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Ottawa

Fly to

Pierre Elliott Trudeau Intl

Route

Depart

Return

Price

OttawaMontreal

YOW - YUL

YOWYUL

Ottawa

Thu 18/9

5:55 a.m.-12:27 a.m.

1 stop18h 32m

Montreal Pierre Elliott Trudeau Intl

Sun 21/9

6:45 a.m.-12:22 a.m.

1 stop17h 37m

C$ 283

OttawaMontreal

YOW - YUL

YOWYUL

Ottawa

Thu 2/10

5:55 a.m.-12:27 a.m.

1 stop18h 32m

Montreal Pierre Elliott Trudeau Intl

Thu 9/10

6:45 a.m.-12:22 a.m.

1 stop17h 37m

C$ 293

OttawaMontreal

YOW - YUL

YOWYUL

Ottawa

Sun 5/10

5:55 a.m.-12:27 a.m.

1 stop18h 32m

Montreal Pierre Elliott Trudeau Intl

Wed 8/10

6:45 a.m.-12:22 a.m.

1 stop17h 37m

C$ 330

OttawaMontreal

YOW - YUL

YOWYUL

Ottawa

Mon 15/9

5:55 a.m.-12:27 a.m.

1 stop18h 32m

Montreal Pierre Elliott Trudeau Intl

Mon 22/9

6:45 a.m.-12:22 a.m.

1 stop17h 37m

C$ 330

OttawaMontreal

YOW - YUL

YOWYUL

Ottawa

Wed 10/9

5:55 a.m.-12:27 a.m.

1 stop18h 32m

Montreal Pierre Elliott Trudeau Intl

Mon 15/9

6:45 a.m.-12:22 a.m.

1 stop17h 37m

C$ 330

OttawaMontreal

YOW - YUL

YOWYUL

Ottawa

Thu 18/9

11:00 a.m.-4:00 p.m.

1 stop5h 00m

Montreal Pierre Elliott Trudeau Intl

Thu 18/9

7:40 p.m.-1:00 p.m.

1 stop17h 20m

C$ 385

OttawaMontreal

YOW - YUL

YOWYUL

Ottawa

Wed 1/10

2:20 p.m.-6:00 p.m.

1 stop3h 40m

Montreal Pierre Elliott Trudeau Intl

Wed 8/10

4:00 p.m.-12:22 a.m.

1 stop8h 22m

C$ 420

OttawaMontreal

YOW - YUL

YOWYUL

Ottawa

Mon 15/9

5:55 a.m.-12:27 a.m.

1 stop18h 32m

Montreal Pierre Elliott Trudeau Intl

Mon 22/9

8:55 a.m.-12:59 p.m.

1 stop4h 04m

C$ 420

OttawaMontreal

YOW - YUL

YOWYUL

Ottawa

Mon 20/10

5:55 a.m.-12:27 a.m.

1 stop18h 32m

Montreal Pierre Elliott Trudeau Intl

Fri 21/11

6:45 a.m.-8:25 a.m.

1 stop25h 40m

C$ 421

OttawaMontreal

YOW - YUL

YOWYUL

Ottawa

Sat 4/10

5:55 a.m.-6:00 p.m.

1 stop12h 05m

Montreal Pierre Elliott Trudeau Intl

Tue 7/10

10:00 a.m.-5:21 p.m.

1 stop7h 21m

C$ 430

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/8

Showing 1-10 of 19 results
1
2

Best time to book a flight from Ottawa to Pierre Elliott Trudeau Intl

Have a flexible travel schedule? Discover the best time to fly to Pierre Elliott Trudeau Intl from Ottawa with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ottawa to Montreal Pierre Elliott Trudeau Intl Airport

What is the cheapest month to book a flight from Ottawa to Montreal Pierre Elliott Trudeau Intl Airport?

Currently, October is the cheapest month in which you can book a flight from Ottawa to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 241). Flying from Ottawa to Montreal Pierre Elliott Trudeau Intl Airport in April is currently the most expensive (average of C$ 317). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Find hourly flight availability from Ottawa to Pierre Elliott Trudeau Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 August 2025.

One of the essential ways to save on airfare from Ottawa to Montreal Pierre Elliott Trudeau Intl Airport is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 11% on airfare.

What is the cheapest day to fly from Ottawa to Montreal Pierre Elliott Trudeau Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Ottawa to Pierre Elliott Trudeau Intl. Price data was last updated on 17 August 2025.

Travelers seeking maximum savings on their Ottawa to Montreal Pierre Elliott Trudeau Intl Airport flight should consider departing on Wednesday mornings when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Ottawa to Montreal Pierre Elliott Trudeau Intl Airport

Explore weekly flight availability from Ottawa to Pierre Elliott Trudeau Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 18 August 2025.

The most flights from YOW to YUL are scheduled on a Wednesday (21 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (17 on average).

What’s the top layover airport for flights from Ottawa to Montreal Pierre Elliott Trudeau Intl Airport?

Share of one-stop round-trip flights from Ottawa to Montreal Pierre Elliott Trudeau Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.

Toronto (YTZ) – chosen by Cheapflights users on 67% of one-stop itineraries from Ottawa to Montreal Pierre Elliott Trudeau Intl Airport on Cheapflights.

What’s the cheapest layover airport for flights from Ottawa to Montreal Pierre Elliott Trudeau Intl Airport?

Average round-trip fare for 1-stop flights from Ottawa to Montreal Pierre Elliott Trudeau Intl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Calgary (YYC) is the most affordable 1-stop option, with an average round-trip price of C$ 740.

What’s the fastest layover option from Ottawa to Montreal Pierre Elliott Trudeau Intl Airport?

Shortest average travel time for 1-stop one-way flights from Ottawa to Montreal Pierre Elliott Trudeau Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

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 Pierre Elliott Trudeau Intl Airport?

Average layover duration for 1-stop one-way flights from Ottawa to Montreal Pierre Elliott Trudeau Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Toronto (YTZ) offer the fastest connection on this route, with an average layover time of 0h 57m.

Reviews of airlines servicing Pierre Elliott Trudeau Intl

Get insights into the airlines that provide service to Pierre Elliott Trudeau Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Pierre Elliott Trudeau Intl. Reviews last updated 18 August 2025.
Read reviews from past customers who have flown Air Canada from Ottawa to Montreal Pierre Elliott Trudeau Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
9,992 reviews
Check prices

Crew

7.8

Entertainment

6.8

Comfort

7.1

Food

6.3

Overall

7.1

Boarding

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YOW - YYZ

The staff did everything possible in a small flight fully booked
Air Canada
7.1
Good
9,992 reviews
Air Canada
7.1
Good
9,992 reviews
Check prices

Crew

7.8

Entertainment

6.8

Comfort

7.1

Food

6.3

Overall

7.1

Boarding

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YOW - YYZ

The staff did everything possible in a small flight fully booked

Related info for your journey

Find useful and relevant information for your journey from Ottawa to Pierre Elliott Trudeau Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ottawa to Montreal Pierre Elliott Trudeau Intl?

    For a flight from Ottawa to Montreal Pierre Elliott Trudeau Intl, you will be flying from Ottawa. Ottawa (YOW) is just 10.6 km from the centre of the city. Ottawa is the only Ottawa airport and it handles 19 outbound flights to Montreal Pierre Elliott Trudeau Intl per day. 1 airline has flights to Montreal Pierre Elliott Trudeau Intl from Ottawa on a regular basis.

  • How long is the flight from Ottawa to Montreal Pierre Elliott Trudeau Intl Airport?

    Departing from Ottawa to Montreal Pierre Elliott Trudeau Intl Airport will take you 18h 32m. Ottawa and Montreal Pierre Elliott Trudeau Intl Airport are separated by a distance of 151 km.

  • What is the cheapest airline to fly from Ottawa to Montreal Pierre Elliott Trudeau Intl Airport round-trip?

    Currently priced at C$ 672, Air Canada will fly you from Ottawa to Montreal Pierre Elliott Trudeau Intl Airport and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. This flight start at 21% lower than the current average price 3 months from now.

  • What are the most reliable airlines from Ottawa to Montreal Pierre Elliott Trudeau Intl Airport?

    No one likes to see their flight delayed. When booking a flight from Ottawa to Montreal Pierre Elliott Trudeau Intl Airport consider choosing Emirates (87%), Lufthansa (58%) or SWISS (57%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Ottawa to Montreal Pierre Elliott Trudeau Intl Airport?

    Looking for the cheapest flight from Ottawa to Montreal Pierre Elliott Trudeau Intl Airport? While on average our users pay C$ 1,446, our data indicates the cheapest price to be C$ 251. The most popular route (Ottawa - Montreal Pierre Elliott Trudeau Intl), is priced around C$ 420.

  • Can I find deals for flights from Ottawa to Pierre Elliott Trudeau Intl that include hotel bookings?

    Yes. In addition to deals on Ottawa to Pierre Elliott Trudeau Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ottawa to Pierre Elliott Trudeau Intl?

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

  • Can I find deals for business class flights from Ottawa to Pierre Elliott Trudeau Intl?

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

  • What is the cheapest month to book a flight from Ottawa to Montreal Pierre Elliott Trudeau Intl Airport?

    Currently, October is the cheapest month in which you can book a flight from Ottawa to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 241). Flying from Ottawa to Montreal Pierre Elliott Trudeau Intl Airport in April is currently the most expensive (average of C$ 317). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Montreal Pierre Elliott Trudeau Intl Airport?

Book flights to Montreal Pierre Elliott Trudeau Intl Airport if you plan to visit one of these locations
Laval
Dorval
Sherbrooke
Cornwall
Longueuil
Montebello
Brossard
Drummondville
Trois-Rivières
Saint-Jean-sur-Richelieu
Boucherville
Saint-Sauveur
Bromont
North Hatley
Louiseville

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Ottawa to Pierre Elliott Trudeau Intl

Discover the top airline that operate flights from Ottawa to Pierre Elliott Trudeau Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 18 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 672AverageC$ 1,052FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Ottawa to Pierre Elliott Trudeau Intl?

Deals for Ottawa to Pierre Elliott Trudeau Intl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Ottawa to Pierre Elliott Trudeau Intl?

Cheapflights simply makes it quick and affordable to book flights from Ottawa to Pierre Elliott Trudeau Intl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Ottawa to Pierre Elliott Trudeau Intl with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ottawa to Pierre Elliott Trudeau Intl, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Ottawa to Pierre Elliott Trudeau Intl become cheaper?

Yes! Start tracking prices for Ottawa to Pierre Elliott Trudeau Intl flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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