Cheap flights from Montreal to Buenos Aires from C$ 421
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 Buenos Aires departing on 20/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Early arrival? Instantly customize your resultsTrusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Montreal to Buenos Aires
Cheap round-trip flights
Cheap one-way flights
Cheap last-minute flights
United Airlines flights from Montreal to Buenos Aires
Our best United Airlines deals on Montreal to Buenos Aires flight tickets
Avianca flights from Montreal to Buenos Aires
Our best Avianca deals on Montreal to Buenos Aires flight tickets
See travel insights to Buenos Aires from
How to get the cheapest flight ticket from Montreal to Buenos Aires
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 month to fly to Buenos Aires?
The cheapest month to fly to Buenos Aires from Montreal is in May. Flight prices, which tend to average around C$ 1,118, are often lower during this time because this is during the off-season. If you’re not able to fly to Buenos Aires in May, then September is your next best option. Flight prices from Montreal to Buenos Aires during September average around C$ 1,119.
What is the cheapest day to depart on your flight to Buenos Aires?
The cheapest day to depart on your flight to Buenos Aires is on a Wednesday when prices can be found for as low as C$ 1,222. This is often the case because there is less demand to fly during this day of the week. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Montreal to Buenos Aires for around C$ 1,309.
What is the cheapest time of day to depart on your flight to Buenos Aires?
According to our data, the cheapest time of day to fly to Buenos Aires is in the afternoon. momondo users have found flights departing from Montreal to Buenos Aires in the afternoon for as low as C$ 1,227. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of C$ 1,294.
How far in advance should I book a flight to Buenos Aires?
You are more likely to see cheaper flights to Buenos Aires from Montreal when booking 10 weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around C$ 1,328 when searching 10 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires from Montreal for as low as C$ 1,164 on momondo.
What is the cheapest airline that flies from Montreal to Buenos Aires?
Air Canada, Avianca, and Delta are the most popular carriers operating from Montreal to Buenos Aires
Which airlines fly to Buenos Aires?
Air Canada, Copa Airlines and Delta are the top three most popular airlines that fly to Buenos Aires from Montreal according to our data. Air Canada is the first choice among our users, with 57% of people opting to fly with this airline when travelling to Buenos Aires. Keep in mind that there are 6 different airlines that fly to Buenos Aires on a routine basis, so you have a few additional options to choose from.
When to book flights from Montreal to Buenos Aires
Cheap Montreal to Buenos Aires (YMQ to BUE) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Montreal to Buenos Aires
Best price found | C$ 421 |
|---|---|
Fastest flight time | 14h 45m |
Direct flights | None |
Airports in Buenos Aires | 2 airports |
How far is Montreal to Buenos Aires by plane?
A flight from Montreal to Buenos Aires will travel around 9031.8 km. In terms of flight time, this usually takes a little over 14h 45m.
When did momondo last update prices for flights from Montreal to Buenos Aires?
Prices for flights from Montreal to Buenos Aires are refreshed on a daily basis.
How many operators does momondo search for flights from Montreal to Buenos Aires?
As of April 2025, there are 6 operators available to choose from for flights from Montreal to Buenos Aires.
How old do you have to be to fly from Montreal to Buenos Aires?
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 Buenos Aires.
What documentation or ID do you need to fly to Buenos Aires?
The travel and health documents required for your trip to Buenos Aires 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 Buenos Aires. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Montreal to Buenos Aires?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Montreal to Buenos Aires is Air Canada (40% of total bookings). The next most popular airlines are Copa Airlines (20%), Avianca (12%), and United Airlines (8%).
Best airlines flying from Montreal to Buenos Aires
Compare and see reviews for airlines that fly from Montreal to Buenos Aires with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 705 | Free Cancellation | Rating 6.7 2,316 reviews | |||
| PriceFrom C$ 745 | Free Cancellation | Rating 7.3 25 reviews | |||
| PriceFrom C$ 908 | Free Cancellation | Rating 8.0 7,916 reviews | |||
| PriceFrom C$ 981 | Free Cancellation | Rating 7.5 1,409 reviews | |||
| PriceFrom C$ 1,071 | Free Cancellation | Rating 7.4 8,667 reviews | |||
| PriceFrom C$ 1,099 | Free Cancellation | Rating 7.0 9,139 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Montreal to Buenos Aires?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Montreal to Buenos Aires for you.
Can I find flights from Montreal to Buenos Aires with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Montreal to Buenos Aires flights to just show those with flexible booking policies.
How can momondo help me find flights from Montreal to Buenos Aires?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Buenos Aires from Montreal.
I’m not ready to book a flight from Montreal to Buenos Aires right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Montreal to Buenos Aires flights. All you need is a valid email address and we will do the rest; it is that quick and easy.