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

Delta and United Airlines are the most popular carriers 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 54% 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 December 2025, 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$ 248 Cheap Flights from Montreal to Ontario in 2025/26

1 adult

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Cheap round-trip flights

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3:50 p.m. - 9:08 a.m.

YUL

ONT

20h 18m2 stops

4:45 p.m. - 1:45 p.m.

ONT

YUL

18h 00m2 stops

C$ 543American Airlines

Tue, 20 Jan - Wed, 4 Feb

3:50 p.m. - 9:08 a.m.

YUL

ONT

20h 18m2 stops

6:22 a.m. - 10:44 p.m.

ONT

YUL

13h 22m2 stops

C$ 551American Airlines

Tue, 20 Jan - Wed, 4 Feb

7:30 p.m. - 9:05 p.m.

YUL

ONT

28h 35m2 stops

10:30 p.m. - 6:37 p.m.

ONT

YUL

17h 07m2 stops

C$ 646Delta

Tue, 20 Jan - Sat, 7 Feb

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

YUL

ONT

14h 31m2 stops

10:30 p.m. - 6:37 p.m.

ONT

YUL

17h 07m2 stops

C$ 657Delta

Thu, 29 Jan - Mon, 2 Feb

3:50 p.m. - 4:05 p.m.

YUL

ONT

27h 15m2 stops

4:45 p.m. - 3:08 p.m.

ONT

YUL

19h 23m2 stops

C$ 681American Airlines

Mon, 26 Jan - Tue, 3 Feb

3:50 p.m. - 4:05 p.m.

YUL

ONT

27h 15m2 stops

4:45 p.m. - 3:08 p.m.

ONT

YUL

19h 23m2 stops

C$ 707American Airlines

Mon, 26 Jan - Thu, 5 Feb

3:50 p.m. - 12:03 p.m.

YUL

ONT

23h 13m2 stops

6:22 a.m. - 3:08 p.m.

ONT

YUL

29h 46m2 stops

C$ 727American Airlines

Wed, 28 Jan - Tue, 3 Feb

3:50 p.m. - 12:03 p.m.

YUL

ONT

23h 13m2 stops

6:22 a.m. - 3:08 p.m.

ONT

YUL

29h 46m2 stops

C$ 733American Airlines

Fri, 23 Jan - Thu, 5 Feb

3:50 p.m. - 4:05 p.m.

YUL

ONT

27h 15m2 stops

6:22 a.m. - 3:08 p.m.

ONT

YUL

29h 46m2 stops

C$ 741American Airlines

Mon, 26 Jan - Wed, 4 Feb

3:50 p.m. - 9:08 a.m.

YUL

ONT

20h 18m2 stops

9:59 a.m. - 3:08 p.m.

ONT

YUL

26h 09m2 stops

C$ 754American Airlines

Wed, 28 Jan - Sat, 7 Feb

American Airlines flights from Montreal to Ontario

Our best American Airlines deals on Montreal to Ontario flight tickets

American Airlines

20 Jan

YUL3:50 p.m.Montreal Pierre Elliott Trudeau Intl

20h 18m

2 stops

ONT9:08 a.m.Ontario

4 Feb

ONT4:45 p.m.Ontario

18h 00m

2 stops

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

C$ 543

Find similar

American Airlines

20 Jan

YUL3:50 p.m.Montreal Pierre Elliott Trudeau Intl

20h 18m

2 stops

ONT9:08 a.m.Ontario

4 Feb

ONT6:22 a.m.Ontario

13h 22m

2 stops

YUL10:44 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 551

Find similar

American Airlines

17 Jan

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

13h 50m

2 stops

ONT6:20 p.m.Ontario

31 Jan

ONT4:45 p.m.Ontario

18h 00m

2 stops

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

C$ 605

Find similar

Delta flights from Montreal to Ontario

Our best Delta deals on Montreal to Ontario flight tickets

Delta

20 Jan

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

28h 35m

2 stops

ONT9:05 p.m.Ontario

1 Feb

ONT10:30 p.m.Ontario

17h 07m

2 stops

YUL6:37 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 646

Find similar

Delta

29 Jan

YUL9:34 a.m.Montreal Pierre Elliott Trudeau Intl

14h 31m

2 stops

ONT9:05 p.m.Ontario

2 Feb

ONT10:30 p.m.Ontario

17h 07m

2 stops

YUL6:37 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 657

Find similar

Delta

21 Jan

YUL9:34 a.m.Montreal Pierre Elliott Trudeau Intl

14h 31m

2 stops

ONT9:05 p.m.Ontario

3 Feb

ONT10:30 p.m.Ontario

10h 15m

1 stop

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

C$ 773

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Tue 20/1

3:50 p.m.-9:08 a.m.

2 stops20h 18m

Ontario

Wed 4/2

4:45 p.m.-1:45 p.m.

2 stops18h 00m

C$ 543

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Tue 20/1

3:50 p.m.-9:08 a.m.

2 stops20h 18m

Ontario

Wed 4/2

6:22 a.m.-10:44 p.m.

2 stops13h 22m

C$ 551

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Tue 20/1

7:30 p.m.-9:05 p.m.

2 stops28h 35m

Ontario

Sat 7/2

10:30 p.m.-6:37 p.m.

2 stops17h 07m

C$ 646

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Thu 29/1

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

2 stops14h 31m

Ontario

Mon 2/2

10:30 p.m.-6:37 p.m.

2 stops17h 07m

C$ 657

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Mon 26/1

3:50 p.m.-4:05 p.m.

2 stops27h 15m

Ontario

Tue 3/2

4:45 p.m.-3:08 p.m.

2 stops19h 23m

C$ 681

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Mon 26/1

3:50 p.m.-4:05 p.m.

2 stops27h 15m

Ontario

Thu 5/2

4:45 p.m.-3:08 p.m.

2 stops19h 23m

C$ 707

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Wed 28/1

3:50 p.m.-12:03 p.m.

2 stops23h 13m

Ontario

Tue 3/2

6:22 a.m.-3:08 p.m.

2 stops29h 46m

C$ 727

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Fri 23/1

3:50 p.m.-12:03 p.m.

2 stops23h 13m

Ontario

Thu 5/2

6:22 a.m.-3:08 p.m.

2 stops29h 46m

C$ 733

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Mon 26/1

3:50 p.m.-4:05 p.m.

2 stops27h 15m

Ontario

Wed 4/2

6:22 a.m.-3:08 p.m.

2 stops29h 46m

C$ 741

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Wed 28/1

3:50 p.m.-9:08 a.m.

2 stops20h 18m

Ontario

Sat 7/2

9:59 a.m.-3:08 p.m.

2 stops26h 09m

C$ 754

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

What is the cheapest day to depart on your flight to Ontario?

On average, the least expensive day to fly to Ontario from Montreal is on a Thursday. momondo users have found tickets for Thursday departures for as low as C$ 412. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Montreal because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 916.

What is the cheapest time of day to depart on your flight to Ontario?

Our data shows that the cheapest Montreal to Ontario flights are usually those with departure times in the afternoon. Our users have found flights to Ontario in the afternoon for as low as C$ 434. Try not to purchase tickets at noon because they tend to be around C$ 606. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 40m
Direct flights	None

The fastest flight from Montreal to Ontario takes 8h 40m

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 40m.
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 December 2025, 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$ 427	Free Cancellation	Rating 7.1 10,534 reviews		Search Air Canada flights
United Airlines	PriceFrom C$ 431	Free Cancellation	Rating 7.4 9,092 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.