Montreal to Buenos Aires flights

Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Montreal to Buenos Aires is €388 (checked on 11 Nov 2026).

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Lowest observed

€388Seen on 11 Nov 2026

Last checked

13 Nov 2026

Observed fares. Prices may change.

Your next trip, last seen at €388

18 Jan 2027

1 stop · One way

Cheapest observed day · Last checked: 11 Nov 2026

When to fly

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Last seen for 1 traveller on 13 Nov 2026. Check today's price.

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One-way fare

18 Jan€388

One-way fare · No data: click and we will search

Lowest observed: €388, departing 18 Jan 2027 (Last checked: 11 Nov 2026)One-way fareCheck live prices for this route
Round trip: €1,345, departing 24 Dec 2026, back 8 Jan 2027 (Last checked: 13 Nov 2026)
Airlines seen: Aerolineas Argentinas, Air Canada, Air Transat, Arajet, Copa Airlines, Flair Airlines, Hahn Air Technologies, JetSmart, LATAM Airlines, Lufthansa, Sky Airline, United Airlines (12)
Typical journey time: 24h 32m

Short answer

The lowest fare Routavio's own searches returned is €388, seen on 11 Nov 2026. These are prices Routavio's searches returned on the dates shown, not quotes; run a live search for today's fare. Cheapest round trip: €1,345, departing 24 Dec 2026, back 8 Jan 2027 (checked 13 Nov 2026). Airlines Routavio has seen from Montreal to Buenos Aires: Aerolineas Argentinas, Air Canada, Air Transat, Arajet, Copa Airlines, Flair Airlines, Hahn Air Technologies, JetSmart, LATAM Airlines, Lufthansa, Sky Airline, United Airlines (12).

Montreal → Buenos AiresMon 18 Jan 2027 · €388Last checked: 11 Nov 2026

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.

Route distance: 9,039 km
Typical journey time: 24h 32m
Airlines seen: Aerolineas Argentinas, Air Canada, Air Transat, Arajet, Copa Airlines, Flair Airlines, Hahn Air Technologies, JetSmart, LATAM Airlines, Lufthansa, Sky Airline, United Airlines (12)
Seen on fares with a connection: Air Canada, Arajet, Air Transat, United Airlines, Copa Airlines, JetSmart, Aerolineas Argentinas, Sky Airline (8)
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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How our prices work

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Price alert for Montreal → Buenos Aires

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Airport to city: straight-line distance

Montréal / Saint-Hubert Metropolitan Airport (YHU) → Montreal, city gazetteer reference point (45.5089, -73.5542): ≈ 11 km.
Montreal / Pierre Elliott Trudeau International Airport (YUL) → Montreal, city gazetteer reference point (45.5089, -73.5542): ≈ 15 km.
Montreal Mirabel International Airport (YMX) → Montreal, city gazetteer reference point (45.5089, -73.5542): ≈ 42 km.
Aeroparque Jorge Newbery (AEP) → Buenos Aires, city gazetteer reference point (-34.6084, -58.3732): ≈ 7 km.
Ezeiza International Airport - Ministro Pistarini (EZE) → Buenos Aires, city gazetteer reference point (-34.6084, -58.3732): ≈ 28 km.

Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.

Observed fares by departure date

Observed fares by departure date
Departure	Fare	Seen on
18 Jan 2027	€388	11 Nov 2026

One-way fares. Each row is one price we saw for that departure day on the date shown, not a guaranteed fare.

Frequently asked

How much is a flight from Montreal to Buenos Aires?

The lowest fare Routavio has observed is €388, found on 11 Nov 2026.

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.

Which airlines fly from Montreal to Buenos Aires?

Routavio has seen these carriers on the route: Aerolineas Argentinas, Air Canada, Air Transat, Arajet, Copa Airlines, Flair Airlines, Hahn Air Technologies, JetSmart, LATAM Airlines, Lufthansa, Sky Airline, United Airlines (12).

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

Across the 69 fares Routavio observed, the average journey time is 26h 12m, 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 70 fares we observed was non-stop; every one included at least one stop. That describes our observations, not every flight that operates.

How much is a round trip from Montreal to Buenos Aires?

Cheapest round trip: €1,345, departing 24 Dec 2026, back 8 Jan 2027 (checked 13 Nov 2026).

How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio