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Cheap flights from Montreal to Porto Alegre from C$ 467

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montreal to Porto Alegre departing on 24/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Montreal to Porto Alegre

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
10:30 p.m. - 2:20 p.m.
YUL
-
POA
38h 50m2 stops
Air Canada Logo
5:10 p.m. - 6:10 a.m.
POA
-
YUL
14h 00m1 stop
C$ 1,139Air Canada
Mon, 30 Mar - Wed, 1 Apr
United Airlines Logo
6:00 p.m. - 4:10 p.m.
YUL
-
POA
44h 10m2 stops
United Airlines Logo
2:00 p.m. - 11:30 a.m.
POA
-
YUL
23h 30m2 stops
C$ 1,232United Airlines
Thu, 15 Jan - Thu, 22 Jan
United Airlines Logo
7:00 p.m. - 2:05 p.m.
YUL
-
POA
18h 05m2 stops
United Airlines Logo
2:05 p.m. - 3:16 p.m.
POA
-
YUL
26h 11m2 stops
C$ 1,233United Airlines
Mon, 16 Mar - Thu, 19 Mar
Delta Logo
12:42 p.m. - 11:50 a.m.
YUL
-
POA
22h 08m2 stops
Delta Logo
5:50 p.m. - 5:30 p.m.
POA
-
YUL
24h 40m2 stops
C$ 1,274Delta
Mon, 30 Mar - Wed, 1 Apr
Multiple Airlines Logo
6:10 p.m. - 9:00 p.m.
YUL
-
POA
24h 50m1 stop
Multiple Airlines Logo
5:55 p.m. - 3:25 p.m.
POA
-
YUL
47h 30m2 stops
C$ 1,284Multiple Airlines
Thu, 26 Feb - Tue, 3 Mar
Multiple Airlines Logo
6:10 p.m. - 5:45 p.m.
YUL
-
POA
21h 35m1 stop
Multiple Airlines Logo
8:55 p.m. - 6:10 a.m.
POA
-
YUL
35h 15m1 stop
C$ 1,528Multiple Airlines
Thu, 26 Feb - Tue, 3 Mar
Multiple Airlines Logo
10:50 p.m. - 11:55 p.m.
YUL
-
POA
23h 05m2 stops
Multiple Airlines Logo
12:30 p.m. - 10:23 a.m.
POA
-
YUL
23h 53m3 stops
C$ 1,691Multiple Airlines
Thu, 26 Feb - Tue, 3 Mar
Multiple Airlines Logo
8:55 p.m. - 4:30 p.m.
YUL
-
POA
17h 35m1 stop
Multiple Airlines Logo
8:10 p.m. - 4:55 p.m.
POA
-
YUL
22h 45m2 stops
C$ 2,225Multiple Airlines
Thu, 15 Jan - Thu, 22 Jan
Multiple Airlines Logo
8:55 p.m. - 2:40 p.m.
YUL
-
POA
15h 45m1 stop
Multiple Airlines Logo
9:00 p.m. - 6:10 a.m.
POA
-
YUL
35h 10m1 stop
C$ 2,583Multiple Airlines
Thu, 15 Jan - Thu, 22 Jan
LATAM Airlines Logo
12:37 p.m. - 1:05 a.m.
YUL
-
POA
34h 28m2 stops
LATAM Airlines Logo
6:00 p.m. - 1:32 p.m.
POA
-
YUL
21h 32m2 stops
C$ 2,791LATAM Airlines
Fri, 2 Jan - Fri, 9 Jan

Air Canada flights from Montreal to Porto Alegre

Our best Air Canada deals on Montreal to Porto Alegre flight tickets
Air Canada
30 Mar
YUL10:30 p.m.Montreal Pierre Elliott Trudeau Intl
38h 50m
2 stops
POA2:20 p.m.Porto Alegre Salgado Filho
1 Apr
POA5:10 p.m.Porto Alegre Salgado Filho
14h 00m
1 stop
YUL6:10 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,139
Find similar
Air Canada
30 Mar
YUL10:10 a.m.Montreal Pierre Elliott Trudeau Intl
26h 55m
2 stops
POA2:05 p.m.Porto Alegre Salgado Filho
1 Apr
POA5:10 p.m.Porto Alegre Salgado Filho
20h 11m
2 stops
YUL12:21 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,370
Find similar

United Airlines flights from Montreal to Porto Alegre

Our best United Airlines deals on Montreal to Porto Alegre flight tickets
United Airlines
15 Jan
YUL6:00 p.m.Montreal Pierre Elliott Trudeau Intl
44h 10m
2 stops
POA4:10 p.m.Porto Alegre Salgado Filho
22 Jan
POA2:00 p.m.Porto Alegre Salgado Filho
23h 30m
2 stops
YUL11:30 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,232
Find similar
United Airlines
16 Mar
YUL7:00 p.m.Montreal Pierre Elliott Trudeau Intl
18h 05m
2 stops
POA2:05 p.m.Porto Alegre Salgado Filho
19 Mar
POA2:05 p.m.Porto Alegre Salgado Filho
26h 11m
2 stops
YUL3:16 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,233
Find similar
United Airlines
6 Jan
YUL6:25 p.m.Montreal Pierre Elliott Trudeau Intl
45h 55m
2 stops
POA6:20 p.m.Porto Alegre Salgado Filho
14 Jan
POA3:25 p.m.Porto Alegre Salgado Filho
24h 35m
2 stops
YUL2:00 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,363
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Montreal to Porto Alegre 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, momondo users made 96,600 searches. Data last updated 18 December 2025.
Use the filters below to find and compare flights from Montreal to Porto Alegre that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MontrealPorto Alegre

YUL - POA

YULPOA

Montreal Pierre Elliott Trudeau Intl

Mon 30/3

10:30 p.m.-2:20 p.m.

2 stops38h 50m

Porto Alegre Salgado Filho

Wed 1/4

5:10 p.m.-6:10 a.m.

1 stop14h 00m

C$ 1,139

MontrealPorto Alegre

YUL - POA

YULPOA

Montreal Pierre Elliott Trudeau Intl

Thu 15/1

6:00 p.m.-4:10 p.m.

2 stops44h 10m

Porto Alegre Salgado Filho

Thu 22/1

2:00 p.m.-11:30 a.m.

2 stops23h 30m

C$ 1,232

MontrealPorto Alegre

YUL - POA

YULPOA

Montreal Pierre Elliott Trudeau Intl

Mon 16/3

7:00 p.m.-2:05 p.m.

2 stops18h 05m

Porto Alegre Salgado Filho

Thu 19/3

2:05 p.m.-3:16 p.m.

2 stops26h 11m

C$ 1,233

MontrealPorto Alegre

YUL - POA

YULPOA

Montreal Pierre Elliott Trudeau Intl

Mon 30/3

12:42 p.m.-11:50 a.m.

2 stops22h 08m

Porto Alegre Salgado Filho

Wed 1/4

5:50 p.m.-5:30 p.m.

2 stops24h 40m

C$ 1,274

MontrealPorto Alegre

YUL - POA

YULPOA

Montreal Pierre Elliott Trudeau Intl

Thu 26/2

6:10 p.m.-9:00 p.m.

1 stop24h 50m

Porto Alegre Salgado Filho

Tue 3/3

5:55 p.m.-3:25 p.m.

2 stops47h 30m

C$ 1,284

MontrealPorto Alegre

YUL - POA

YULPOA

Montreal Pierre Elliott Trudeau Intl

Thu 26/2

6:10 p.m.-5:45 p.m.

1 stop21h 35m

Porto Alegre Salgado Filho

Tue 3/3

8:55 p.m.-6:10 a.m.

1 stop35h 15m

C$ 1,528

MontrealPorto Alegre

YUL - POA

YULPOA

Montreal Pierre Elliott Trudeau Intl

Thu 26/2

10:50 p.m.-11:55 p.m.

2 stops23h 05m

Porto Alegre Salgado Filho

Tue 3/3

12:30 p.m.-10:23 a.m.

3 stops23h 53m

C$ 1,691

MontrealPorto Alegre

YUL - POA

YULPOA

Montreal Pierre Elliott Trudeau Intl

Thu 15/1

8:55 p.m.-4:30 p.m.

1 stop17h 35m

Porto Alegre Salgado Filho

Thu 22/1

8:10 p.m.-4:55 p.m.

2 stops22h 45m

C$ 2,225

MontrealPorto Alegre

YUL - POA

YULPOA

Montreal Pierre Elliott Trudeau Intl

Thu 15/1

8:55 p.m.-2:40 p.m.

1 stop15h 45m

Porto Alegre Salgado Filho

Thu 22/1

9:00 p.m.-6:10 a.m.

1 stop35h 10m

C$ 2,583

MontrealPorto Alegre

YUL - POA

YULPOA

Montreal Pierre Elliott Trudeau Intl

Fri 2/1

12:37 p.m.-1:05 a.m.

2 stops34h 28m

Porto Alegre Salgado Filho

Fri 9/1

6:00 p.m.-1:32 p.m.

2 stops21h 32m

C$ 2,791

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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See travel insights to Porto Alegre from

How to get the cheapest flight ticket from Montreal to Porto Alegre

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

What is the cheapest day to depart on your flight to Porto Alegre?

The cheapest day to depart from Montreal to Porto Alegre is on a Thursday. Travellers who choose to depart for Porto Alegre on a Thursday will often find tickets for as low as C$ 980. On the other hand, Monday 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$ 1,517.

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

According to our data, the cheapest time of day to fly to Porto Alegre is in the afternoon. momondo users have found flights departing from Montreal to Porto Alegre in the afternoon for as low as C$ 1,152. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 1,686 on average. Flights to Porto Alegre from Montreal at noon are generally more expensive because this time of day is more convenient for travellers’ schedules.

Can stopping save me money on Montreal to Porto Alegre flights?

You could potentially save up to 47% on your flight if you consider stops on a Montreal to Porto Alegre flight.

When to book flights from Montreal to Porto Alegre

Are you open to changing your travel dates? Check out the ideal times to fly from Montreal to Porto Alegre according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Montreal to Porto Alegre (YMQ to POA) flight deals and tips

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

Fastest flight time

18h 05m

Direct flights

None
The fastest flight from Montreal to Porto Alegre takes 18h 05m
There are no direct flights from Montreal to Porto Alegre. There are no popular flight routes from Montreal to Porto Alegre.
Search flight deals

  • How far is Montreal to Porto Alegre Salgado Filho by plane?

    The straight-line distance from Montreal to Porto Alegre Salgado Filho is 8690.6 km. A reasonable flight in good conditions will take 18h 05m.

  • When did momondo last update prices for flights from Montreal to Porto Alegre Salgado Filho Airport?

    Prices for flights from Montreal to Porto Alegre Salgado Filho Airport are updated daily.

  • How many operators does momondo search for flights from Montreal to Porto Alegre Salgado Filho Airport?

  • How old do you have to be to fly from Montreal to Porto Alegre Salgado Filho Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Montreal to Porto Alegre Salgado Filho Airport.

  • What documentation or ID do you need to fly to Porto Alegre Salgado Filho Airport?

    The travel and health documents required for your trip to Porto Alegre Salgado Filho Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Porto Alegre Salgado Filho Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Montreal to Porto Alegre

Compare and see reviews for airlines that fly from Montreal to Porto Alegre with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom C$ 1,043Free CancellationRating
7.1
10,534 reviews
Search Air Canada flights

Why use momondo?

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

Finding the right flight to Porto Alegre from Montreal is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Porto Alegre quick and easy, saving you time and money.

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

Flights from Montreal to Porto Alegre with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Montreal to Porto Alegre?

Once you have performed a search for Montreal to Porto Alegre 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 Porto Alegre right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Montreal to Porto Alegre flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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