ONT - YUL

C$ 347 Find Cheap Flights from Ontario to Montreal

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Ontario to Montreal departing on 18/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Montreal Pierre Elliott Trudeau Intl Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ontario to Montreal, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ontario to Montreal, as well as popular online travel agencies
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Flight Deals

Cheap Flights from Ontario to Montreal (ONT-YUL)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ontario to Montreal that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ontario to Montreal

Sat, 1 Nov - Sat, 8 Nov
American Airlines Logo
4:49 p.m. - 1:15 p.m.ONT-YUL
17h 26m2 stops
American Airlines Logo
7:14 a.m. - 6:20 p.m.YUL-ONT
14h 06m2 stops
C$ 638American Airlines
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Thu, 30 Oct - Thu, 6 Nov
Multiple Airlines Logo
6:53 a.m. - 11:22 p.m.ONT-YUL
13h 29m2 stops
Multiple Airlines Logo
5:25 p.m. - 11:50 p.m.YUL-ONT
9h 25m1 stop
C$ 832Multiple Airlines
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Fri, 20 Feb - Tue, 24 Feb
American Airlines Logo
10:38 a.m. - 3:20 p.m.ONT-YUL
25h 42m2 stops
American Airlines Logo
2:25 p.m. - 8:42 a.m.YUL-ONT
21h 17m2 stops
C$ 854American Airlines
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Fri, 20 Feb - Tue, 24 Feb
American Airlines Logo
8:04 p.m. - 3:00 p.m.ONT-YUL
15h 56m2 stops
American Airlines Logo
2:25 p.m. - 8:42 a.m.YUL-ONT
21h 17m2 stops
C$ 883American Airlines
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Sat, 1 Nov - Sat, 8 Nov
United Airlines Logo
6:38 p.m. - 5:49 p.m.ONT-YUL
20h 11m1 stop
United Airlines Logo
2:13 p.m. - 12:37 p.m.YUL-ONT
25h 24m2 stops
C$ 908United Airlines
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Sat, 1 Nov - Sat, 8 Nov
United Airlines Logo
6:38 p.m. - 5:49 p.m.ONT-YUL
20h 11m1 stop
United Airlines Logo
5:50 p.m. - 5:34 p.m.YUL-ONT
26h 44m1 stop
C$ 923United Airlines
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Thu, 30 Oct - Thu, 6 Nov
Multiple Airlines Logo
6:38 p.m. - 4:49 p.m.ONT-YUL
19h 11m1 stop
Multiple Airlines Logo
5:25 p.m. - 8:44 p.m.YUL-ONT
30h 19m1 stop
C$ 949Multiple Airlines
Find Deal
Fri, 20 Feb - Tue, 24 Feb
Delta Logo
10:30 p.m. - 11:44 a.m.ONT-YUL
10h 14m1 stop
Delta Logo
12:45 p.m. - 9:14 p.m.YUL-ONT
11h 29m1 stop
C$ 1,230Delta
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Fri, 10 Oct - Tue, 14 Oct
Air Canada Logo
6:36 p.m. - 10:40 a.m.ONT-YUL
13h 04m2 stops
Air Canada Logo
9:45 a.m. - 8:24 p.m.YUL-ONT
13h 39m2 stops
C$ 1,256Air Canada
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Thu, 9 Oct - Tue, 14 Oct
Air Canada Logo
9:36 a.m. - 1:50 a.m.ONT-YUL
13h 14m2 stops
Air Canada Logo
9:45 a.m. - 8:24 p.m.YUL-ONT
13h 39m2 stops
C$ 1,266Air Canada
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Everything you should know

Cheapest round-trip
C$ 638
American Airlines
Sat 1/11Sat 8/11
ONT - YUL • 2 stops
Cheapest one-way flights
C$ 347
Delta
Sat 18/10
ONT - YUL • 2 stops
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Montreal!
Booking Insights

KAYAK's insights & trends for Ontario to Montreal flights

Get data-powered insights and trends into flights from Ontario to Montreal to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Ontario to Montreal?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Ontario to Montreal were found on American Airlines (C$ 638) and United Airlines (C$ 908).

Find deals

Good to know

Cheapest flightC$ 347
Flight from Ontario to Montreal

When to book flights from Ontario to Montreal

Are your dates flexible? Find out the best times to travel from Ontario to Montreal based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Ontario to Montreal flights

  • What is the cheapest flight from Ontario to Montreal Pierre Elliott Trudeau Intl Airport?

    In the last 3 days, the lowest price for a flight from Ontario to Montreal Pierre Elliott Trudeau Intl Airport was C$ 252 for a one-way ticket and C$ 464 for a round-trip.

  • Which aircraft models fly most regularly from Ontario to Montreal?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Ontario to Montreal?

    SkyTeam, Star Alliance, and oneworld are the airline alliances operating flights between Ontario and Montreal, with Star Alliance being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from Ontario to Montreal?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Montreal.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Montreal?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Montreal from Ontario is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Ontario to Montreal?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Montreal with an airline and back to Ontario with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Montreal?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Montreal from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Ontario to Montreal

Information on your arrival and departure airports

Ontario (ONT)
Pierre Elliott Trudeau Intl (YUL)

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