What is the cheapest airline that flies from Montreal to Ontario?

Delta is the most popular carrier operating from Montreal to Ontario

Which airlines fly to Ontario?

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to Ontario from Montreal according to our data. Air Canada is the first choice among our users, with 56% of people opting to fly with this airline when travelling to Ontario. Keep in mind that there are 6 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Montreal to Ontario Airport?

Prices for flights from Montreal to Ontario Airport are updated daily.

How many operators does momondo search for flights from Montreal to Ontario Airport?

As of January 2026, there are 2 operators available to choose from for flights from Montreal to Ontario Airport.

How old do you have to be to fly from Montreal to Ontario Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montreal to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

C$ 352 Cheap Flights from Montreal to Ontario in 2026

1 adult

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Cheap round-trip flights

Enter your travel dates to find the best prices.

12:42 p.m. - 9:00 p.m.

YUL

ONT

11h 18m

1 stop

12:57 p.m. - 11:45 p.m.

ONT

YUL

7h 48m

1 stop

C$ 787Delta

Thu, 12 Mar - Wed, 25 Mar

9:29 a.m. - 9:05 p.m.

YUL

ONT

14h 36m

2 stops

12:57 p.m. - 11:45 p.m.

ONT

YUL

7h 48m

1 stop

C$ 793Delta

Thu, 5 Mar - Thu, 12 Mar

6:00 a.m. - 10:18 p.m.

YUL

ONT

19h 18m

1 stop

1:50 p.m. - 3:16 p.m.

ONT

YUL

22h 26m

2 stops

C$ 794United Airlines

Thu, 5 Mar - Wed, 11 Mar

6:00 a.m. - 10:18 p.m.

YUL

ONT

19h 18m

1 stop

11:59 p.m. - 9:17 p.m.

ONT

YUL

18h 18m

1 stop

C$ 797United Airlines

Fri, 13 Mar - Sat, 21 Mar

4:45 p.m. - 10:18 p.m.

YUL

ONT

8h 33m

1 stop

11:59 p.m. - 2:00 p.m.

ONT

YUL

11h 01m

1 stop

C$ 798United Airlines

Mon, 9 Mar - Mon, 16 Mar

12:30 p.m. - 9:05 p.m.

YUL

ONT

11h 35m

1 stop

12:57 p.m. - 11:45 p.m.

ONT

YUL

7h 48m

1 stop

C$ 808Delta

Thu, 5 Mar - Thu, 12 Mar

4:55 p.m. - 10:30 p.m.

YUL

ONT

8h 35m

1 stop

7:00 a.m. - 9:26 p.m.

ONT

YUL

11h 26m

1 stop

C$ 809United Airlines

Mon, 4 May - Fri, 8 May

12:30 p.m. - 9:05 p.m.

YUL

ONT

11h 35m

1 stop

5:00 p.m. - 11:25 a.m.

ONT

YUL

15h 25m

2 stops

C$ 817Delta

Sat, 14 Feb - Fri, 20 Feb

9:34 a.m. - 9:05 p.m.

YUL

ONT

14h 31m

2 stops

10:20 p.m. - 11:25 a.m.

ONT

YUL

10h 05m

1 stop

C$ 823Delta

Wed, 11 Feb - Sun, 15 Feb

12:30 p.m. - 9:05 p.m.

YUL

ONT

11h 35m

1 stop

12:57 p.m. - 11:45 p.m.

ONT

YUL

7h 48m

1 stop

C$ 824Delta

Thu, 5 Mar - Wed, 11 Mar

Delta flights from Montreal to Ontario

Our best Delta deals on Montreal to Ontario flight tickets

Delta

12 Mar

YUL12:42 p.m.Montreal Pierre Elliott Trudeau Intl

11h 18m

1 stop

ONT9:00 p.m.Ontario

25 Mar

ONT12:57 p.m.Ontario

7h 48m

1 stop

YUL11:45 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 787

Delta

5 Mar

YUL12:30 p.m.Montreal Pierre Elliott Trudeau Intl

11h 35m

1 stop

ONT9:05 p.m.Ontario

12 Mar

ONT12:57 p.m.Ontario

7h 48m

1 stop

YUL11:45 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 793

Delta

5 Mar

YUL12:30 p.m.Montreal Pierre Elliott Trudeau Intl

11h 35m

1 stop

ONT9:05 p.m.Ontario

12 Mar

ONT12:57 p.m.Ontario

7h 48m

1 stop

YUL11:45 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 808

American Airlines flights from Montreal to Ontario

Our best American Airlines deals on Montreal to Ontario flight tickets

American Airlines

9 Mar

YUL2:25 p.m.Montreal Pierre Elliott Trudeau Intl

9h 59m

1 stop

ONT9:24 p.m.Ontario

17 Mar

ONT10:36 p.m.Ontario

12h 09m

1 stop

YUL1:45 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 861

American Airlines

5 Mar

YUL2:25 p.m.Montreal Pierre Elliott Trudeau Intl

22h 41m

2 stops

ONT10:06 a.m.Ontario

11 Mar

ONT7:59 p.m.Ontario

16h 06m

2 stops

YUL3:05 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 863

American Airlines

5 Mar

YUL7:30 a.m.Montreal Pierre Elliott Trudeau Intl

19h 29m

2 stops

ONT11:59 p.m.Ontario

12 Mar

ONT9:53 a.m.Ontario

26h 27m

2 stops

YUL3:20 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 866

Fly from

Fly to

Route

Depart

Return

Price

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Thu 12/3

12:42 p.m.-9:00 p.m.

1 stop11h 18m

Ontario

Wed 25/3

12:57 p.m.-11:45 p.m.

1 stop7h 48m

C$ 787

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Thu 5/3

9:29 a.m.-9:05 p.m.

2 stops14h 36m

Ontario

Thu 12/3

12:57 p.m.-11:45 p.m.

1 stop7h 48m

C$ 793

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Thu 5/3

6:00 a.m.-10:18 p.m.

1 stop19h 18m

Ontario

Wed 11/3

1:50 p.m.-3:16 p.m.

2 stops22h 26m

C$ 794

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Fri 13/3

6:00 a.m.-10:18 p.m.

1 stop19h 18m

Ontario

Sat 21/3

11:59 p.m.-9:17 p.m.

1 stop18h 18m

C$ 797

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

4:45 p.m.-10:18 p.m.

1 stop8h 33m

Ontario

Mon 16/3

11:59 p.m.-2:00 p.m.

1 stop11h 01m

C$ 798

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Thu 5/3

12:30 p.m.-9:05 p.m.

1 stop11h 35m

Ontario

Thu 12/3

12:57 p.m.-11:45 p.m.

1 stop7h 48m

C$ 808

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Mon 4/5

4:55 p.m.-10:30 p.m.

1 stop8h 35m

Ontario

Fri 8/5

7:00 a.m.-9:26 p.m.

1 stop11h 26m

C$ 809

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Sat 14/2

12:30 p.m.-9:05 p.m.

1 stop11h 35m

Ontario

Fri 20/2

5:00 p.m.-11:25 a.m.

2 stops15h 25m

C$ 817

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Wed 11/2

9:34 a.m.-9:05 p.m.

2 stops14h 31m

Ontario

Sun 15/2

10:20 p.m.-11:25 a.m.

1 stop10h 05m

C$ 823

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Thu 5/3

12:30 p.m.-9:05 p.m.

1 stop11h 35m

Ontario

Wed 11/3

12:57 p.m.-11:45 p.m.

1 stop7h 48m

C$ 824

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Montreal to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Can stopping save me money on Montreal to Ontario flights?

You could potentially save up to 1% on your flight if you consider stops on a Montreal to Ontario flight.

When to book flights from Montreal to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Montreal to Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Montreal to Ontario (YMQ to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal to Ontario

Fastest flight time	8h 31m
Direct flights	None

The fastest flight from Montreal to Ontario takes 8h 31m

There are no direct flights from Montreal to Ontario. There are no popular flight routes from Montreal to Ontario.

Search flight deals

How far is Montreal to Ontario by plane?
A flight from Montreal to Ontario will travel around 3917.7 km. In terms of flight time, this usually takes a little over 8h 31m.
When did momondo last update prices for flights from Montreal to Ontario Airport?
Prices for flights from Montreal to Ontario Airport are updated daily.
How many operators does momondo search for flights from Montreal to Ontario Airport?
As of January 2026, there are 2 operators available to choose from for flights from Montreal to Ontario Airport.
How old do you have to be to fly from Montreal to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montreal to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Montreal to Ontario

Compare and see reviews for airlines that fly from Montreal to Ontario with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom C$ 258	Free Cancellation	Rating 7.1 10,667 reviews		Search Air Canada flights
United Airlines	PriceFrom C$ 425	Free Cancellation	Rating 7.4 9,215 reviews		Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Montreal to Ontario?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Montreal to Ontario . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Montreal to Ontario with flexible booking policies on momondo?

momondo does allow users to show only those flights to Ontario from Montreal which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Montreal to Ontario?

Once you have performed a search for Montreal to Ontario flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Montreal to Ontario right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Ontario from Montreal. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.