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Cheap flights from Montreal to Ottawa from C$ 148

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 23/9. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — YOW
27 Aug — 3 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Montreal to Ottawa

Enter your travel dates to find the best prices.

Cheapest flights from Montreal to Ottawa
Explore the most affordable flight options available from Montreal to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 July 2026.

Sat 12/95:45 p.m.
YUL
-
YOW
1 stop6h 35m
WestJet
Thu 17/96:25 p.m.
YOW
-
YUL
1 stop6h 00m
WestJet
Deal found 27/7C$ 285
Thu 10/95:45 p.m.
YUL
-
YOW
1 stop6h 35m
WestJet
Thu 17/96:25 p.m.
YOW
-
YUL
1 stop6h 00m
WestJet
Deal found 27/7C$ 295
Fri 11/96:45 a.m.
YUL
-
YOW
1 stop17h 35m
WestJet
Sat 12/96:25 p.m.
YOW
-
YUL
1 stop6h 00m
WestJet
Deal found 23/7C$ 344
Sat 5/95:45 p.m.
YUL
-
YOW
1 stop6h 35m
WestJet
Sat 12/96:25 p.m.
YOW
-
YUL
1 stop6h 00m
WestJet
Deal found 24/7C$ 351
Wed 9/95:45 p.m.
YUL
-
YOW
1 stop6h 35m
WestJet
Wed 16/96:25 p.m.
YOW
-
YUL
1 stop22h 20m
WestJet
Deal found 26/7C$ 358
Tue 15/98:35 p.m.
YUL
-
YOW
1 stop11h 30m
Multiple Airlines
Tue 22/96:25 p.m.
YOW
-
YUL
1 stop6h 00m
Multiple Airlines
Deal found 25/7C$ 370
Tue 8/96:45 a.m.
YUL
-
YOW
1 stop10h 50m
WestJet
Tue 15/96:25 p.m.
YOW
-
YUL
1 stop6h 00m
WestJet
Deal found 25/7C$ 372
Mon 24/85:45 p.m.
YUL
-
YOW
1 stop6h 35m
WestJet
Mon 31/86:25 p.m.
YOW
-
YUL
1 stop6h 00m
WestJet
Deal found 27/7C$ 379
Fri 14/85:45 p.m.
YUL
-
YOW
1 stop6h 35m
WestJet
Sun 16/86:25 p.m.
YOW
-
YUL
1 stop6h 00m
WestJet
Deal found 24/7C$ 382
Sat 29/85:45 p.m.
YUL
-
YOW
1 stop6h 35m
WestJet
Sun 30/86:25 p.m.
YOW
-
YUL
1 stop6h 00m
WestJet
Deal found 26/7C$ 384

Find flight deals from Montreal to Ottawa

Discover tips and strategies to find the most affordable flight options for your journey from Montreal (YMQ) to Ottawa (YOW). 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 28 July 2026.

Round-trip from

C$ 285

One-way from

C$ 148

Good round-trip deal

C$ 564 or less

Good one-way deal

C$ 349 or less
WestJet
  • WestJet
  • 12/9-17/9
  • 2 total stops
  • 12h 35m total
  • Montreal to Ottawa
Search Deals
WestJet
  • WestJet
  • 23/9
  • 1 total stop
  • 6h 35m total
  • Montreal to Ottawa
Search Deals
Price to beat on a round-trip flight from Montreal (YMQ) to Ottawa.
Search Deals
Price to beat on a one-way flight from Montreal (YMQ) to Ottawa.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Montreal to Ottawa 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 28 July 2026.
Use the filters below to find and compare flights from Montreal to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealOttawa

YUL - YOW

YULYOW

Montreal Pierre Elliott Trudeau Intl

Tue 8/9

6:45 a.m.-5:35 p.m.

1 stop10h 50m

Ottawa

Tue 15/9

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

1 stop6h 00m

C$ 372

MontrealOttawa

YUL - YOW

YULYOW

Montreal Pierre Elliott Trudeau Intl

Sun 23/8

6:45 a.m.-12:20 a.m.

1 stop17h 35m

Ottawa

Mon 24/8

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

1 stop6h 00m

C$ 417
Quickest round-trip

MontrealOttawa

YUL - YOW

YULYOW

Montreal Pierre Elliott Trudeau Intl

Tue 8/9

4:40 p.m.-5:35 p.m.

Nonstop0h 55m

Ottawa

Tue 15/9

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

1 stop6h 00m

C$ 427

MontrealOttawa

YUL - YOW

YULYOW

Montreal Pierre Elliott Trudeau Intl

Sat 29/8

5:45 p.m.-5:35 p.m.

1 stop23h 50m

Ottawa

Tue 1/9

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

1 stop6h 00m

C$ 433

MontrealOttawa

YUL - YOW

YULYOW

Montreal Pierre Elliott Trudeau Intl

Sun 23/8

4:40 p.m.-5:35 p.m.

Nonstop0h 55m

Ottawa

Mon 24/8

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

1 stop6h 00m

C$ 446

MontrealOttawa

YUL - YOW

YULYOW

Montreal Pierre Elliott Trudeau Intl

Tue 25/8

5:45 p.m.-5:35 p.m.

1 stop23h 50m

Ottawa

Tue 1/9

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

1 stop6h 00m

C$ 451

MontrealOttawa

YUL - YOW

YULYOW

Montreal Pierre Elliott Trudeau Intl

Mon 7/9

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

1 stop6h 35m

Ottawa

Mon 14/9

8:40 a.m.-4:45 p.m.

1 stop8h 05m

C$ 457

MontrealOttawa

YUL - YOW

YULYOW

Montreal Pierre Elliott Trudeau Intl

Tue 25/8

4:40 p.m.-5:35 p.m.

Nonstop0h 55m

Ottawa

Tue 1/9

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

1 stop6h 00m

C$ 464

MontrealOttawa

YUL - YOW

YULYOW

Montreal Pierre Elliott Trudeau Intl

Thu 20/8

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

1 stop6h 35m

Ottawa

Thu 27/8

8:55 a.m.-11:45 p.m.

2 stops14h 50m

C$ 522

MontrealOttawa

YUL - YOW

YULYOW

Montreal Pierre Elliott Trudeau Intl

Fri 14/8

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

1 stop6h 35m

Ottawa

Sun 16/8

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

Nonstop0h 55m

C$ 636

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/7

Showing 1-10 of 17 resultsSorted by cheapest first
1
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Best time to book a flight from Montreal to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Montreal 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 Montreal to Ottawa

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

Find hourly flight availability from Montreal to Ottawa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 28 July 2026.

One of the essential ways to save on airfare from Montreal to Ottawa is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 32% on airfare.

Weekly flight availability from Montreal to Ottawa

Explore weekly flight availability from Montreal to Ottawa. 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 28 July 2026.

The most flights from YMQ to YOW are scheduled on a Monday (22 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (14 on average).

How often are flights from Montreal to Ottawa delayed?

About 27% of weekly flights between Montreal and Ottawa have experienced delays in the past year, with the average delay time being 94 minutes.

What is the most punctual flight time for Montreal to Ottawa flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Montreal to Ottawa flights?

Over the past year, Air Canada has had the lowest number of delays on this route, with just 26% of flights being delayed.

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

Use this chart to determine the cheapest time to fly round-trip from Montreal to Ottawa. Price data was last updated on 25 July 2026.

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

Related info for your journey

Find useful and relevant information for your journey from Montreal to Ottawa. 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 into for flights to Ottawa from Montreal?

    Most people fly into Ottawa (YOW) if they book a flight to Ottawa from Montreal. On average, Ottawa has 17 inbound flights from Montreal per day from 0 airlines. Ottawa is conveniently located just 10.6 km from Ottawa’s city centre.

  • How long is the flight from Montreal to Ottawa?

    For as low as C$ 372, WestJet can have you in Ottawa from Montreal in 10h 50m. Montreal and Ottawa are separated by a distance of 151 km.

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

    Consider TAP AIR PORTUGAL (89%), Porter Airlines (87%) or Air Transat (87%) when booking your flight. These represent the most reliable airlines when flying from Montreal to Ottawa.

  • What are the cheapest flights from Montreal to Ottawa?

    While on average a flight from Montreal to Ottawa is generally C$ 535, our data shows the cheapest flight currently is C$ 199. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - Ottawa), you can expect to pay C$ 370 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Montreal to Ottawa 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

Travelling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Brockville
Prescott
Wakefield
Pembroke
Smiths Falls

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

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