Montreal to Buenos Aires flights

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Lowest observed

€268

Average observed

€426

Cheapest month

October 2026

Last checked

1 Oct 2026

Observed fares. Prices may change.

Your next trip, last seen at €268

Lowest observed

26 Oct 2026

Arajet · 1 stop · One way

Cheapest observed day · Last checked: 10 Sep 2026

Departure

06:45

When to fly

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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.

Prices are for observed departure and return date pairs. No data does not mean no flights.

Short answer

The lowest fare our own searches returned is €268, seen on 10 Sep 2026. The average across the fares we caught is €426. October 2026 is the cheapest month in our observations, at €268. These are prices our searches returned on the dates shown, not quotes; run a live search for today's fare.

Short answer

About this route

Explore the fares we observed from Montreal to Buenos Aires. Prices move often, so pick your dates to see the latest options.

MontrealBuenos Aires

Route distance: 9,039 km
Typical journey time: 24h 47m
Alternative airports: YHU, YMX, AEP

Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.

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Observed, not guaranteed

Every price is a fare we actually saw, and it may change at any time.

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The price is final on the provider's site, where your booking is completed.

How our prices work

Frequently asked

How much is a flight from Montreal to Buenos Aires?

The lowest fare we have observed is €268, found on 10 Sep 2026. Prices move, so read it as a floor rather than a quote.

When is the cheapest month to fly from Montreal to Buenos Aires?

In our observations October 2026 is the cheapest month so far, at €268.

Are there direct flights from Montreal to Buenos Aires?

Our data holds no non-stop flight from Montreal to Buenos Aires. The fares on this page include at least one stop.

How long does the flight from Montreal to Buenos Aires take?

The average journey time across the 66 fares we observed is 24h 59m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.

How many of the observed Montreal to Buenos Aires fares were non-stop?

None of the 77 fares we observed was non-stop; every one included at least one stop. That describes our observations, not every flight that operates.

How observed prices work, what "No data" means and what a fare includes: Read the flight price guide