Cheap flights from Ottawa to Buenos Aires from C$ 554
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to Buenos Aires departing on 16/11. 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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Fly from
Fly to
Route
Depart
Return
OttawaBuenos Aires
YOW Ottawa - EZE Buenos Aires Ministro Pistarini
YOWEZE
Ottawa
Sat 5/12
6:00 a.m.-9:20 a.m.
2 stops49h 20m
Buenos Aires Ministro Pistarini
Tue 8/12
10:05 p.m.-7:27 p.m.
2 stops23h 22m
OttawaBuenos Aires
YOW Ottawa - EZE Buenos Aires Ministro Pistarini
YOWEZE
Ottawa
Sat 5/12
3:10 p.m.-9:20 a.m.
2 stops40h 10m
Buenos Aires Ministro Pistarini
Fri 11/12
10:05 p.m.-1:11 p.m.
2 stops41h 06m
OttawaBuenos Aires
YOW Ottawa - EZE Buenos Aires Ministro Pistarini
YOWEZE
Ottawa
Sat 5/12
2:00 p.m.-9:20 a.m.
2 stops41h 20m
Buenos Aires Ministro Pistarini
Thu 10/12
11:55 p.m.-9:56 p.m.
2 stops24h 01m
OttawaBuenos Aires
YOW Ottawa - EZE Buenos Aires Ministro Pistarini
YOWEZE
Ottawa
Tue 24/11
3:10 p.m.-7:20 a.m.
2 stops38h 10m
Buenos Aires Ministro Pistarini
Wed 9/12
11:55 p.m.-1:11 p.m.
2 stops39h 16m
OttawaBuenos Aires
YOW Ottawa - EZE Buenos Aires Ministro Pistarini
YOWEZE
Ottawa
Tue 24/11
2:00 p.m.-7:20 a.m.
2 stops39h 20m
Buenos Aires Ministro Pistarini
Wed 9/12
11:55 p.m.-1:11 p.m.
2 stops39h 16m
OttawaBuenos Aires
YOW Ottawa - EZE Buenos Aires Ministro Pistarini
YOWEZE
Ottawa
Thu 26/11
9:45 a.m.-9:20 a.m.
2 stops21h 35m
Buenos Aires Ministro Pistarini
Thu 10/12
11:55 p.m.-3:07 p.m.
2 stops41h 12m
OttawaBuenos Aires
YOW Ottawa - EZE Buenos Aires Ministro Pistarini
YOWEZE
Ottawa
Tue 1/12
2:00 p.m.-7:20 a.m.
2 stops39h 20m
Buenos Aires Ministro Pistarini
Thu 10/12
11:55 p.m.-9:56 p.m.
2 stops24h 01m
OttawaBuenos Aires
YOW Ottawa - EZE Buenos Aires Ministro Pistarini
YOWEZE
Ottawa
Sat 5/12
2:00 p.m.-7:20 a.m.
2 stops39h 20m
Buenos Aires Ministro Pistarini
Sat 12/12
11:55 p.m.-9:56 p.m.
2 stops48h 01m
OttawaBuenos Aires
YOW Ottawa - AEP Buenos Aires Jorge Newbery
YOWAEP
Ottawa
Wed 24/3
7:35 p.m.-1:40 p.m.
2 stops17h 05m
Buenos Aires Jorge Newbery
Thu 8/4
4:40 p.m.-3:51 p.m.
2 stops24h 11m
OttawaBuenos Aires
YOW Ottawa - EZE Buenos Aires Ministro Pistarini
YOWEZE
Ottawa
Mon 23/11
7:50 p.m.-3:05 p.m.
3 stops41h 15m
Buenos Aires Ministro Pistarini
Tue 8/12
11:00 a.m.-4:12 p.m.
3 stops31h 12m
See travel insights to Buenos Aires from
How to get the cheapest flight ticket from Ottawa 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 Ottawa is in October. Flight prices, which tend to average around C$ 0, are often lower during this time because this is during the off-season. If you’re not able to fly to Buenos Aires in October, then August is your next best option. Flight prices from Ottawa to Buenos Aires during August average around C$ 0.
Can stopping save me money on Ottawa to Buenos Aires flights?
You could potentially save up to 15% on your flight if you consider stops on a Ottawa to Buenos Aires flight.
What is the cheapest airline that flies from Ottawa to Buenos Aires?
Air Canada and United Airlines are the most popular carriers operating from Ottawa to Buenos Aires
Which airlines fly to Buenos Aires?
Air Canada, Copa Airlines and Arajet are the top three most popular airlines that fly to Buenos Aires from Ottawa according to our data. Air Canada is the first choice among our users, with 32% of people opting to fly with this airline when travelling to Buenos Aires. Keep in mind that there are 7 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 Ottawa to Buenos Aires
Cheap Ottawa to Buenos Aires (YOW to BUE) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ottawa to Buenos Aires
Frequently asked questions about flying from Ottawa to Buenos Aires
How far is Ottawa to Buenos Aires by plane?
There are 9061.5 km between Ottawa and Buenos Aires. In terms of flight time, this usually takes a little over 21h 10m.
When did momondo last update prices for flights from Ottawa Airport to Buenos Aires?
Prices for flights from Ottawa Airport to Buenos Aires refresh daily.
How many operators does momondo search for flights from Ottawa Airport to Buenos Aires?
As of October 2026, there is 1 operator available to choose from for flights from Ottawa Airport to Buenos Aires.
How old do you have to be to fly from Ottawa Airport to Buenos Aires?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ottawa Airport 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 Ottawa to Buenos Aires?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Ottawa to Buenos Aires is United Airlines (63% of total bookings). The next most popular airline is Air Canada (37%).
Best airlines flying from Ottawa to Buenos Aires
Compare and see reviews for airlines that fly from Ottawa to Buenos Aires with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 1,095 | Free Cancellation | Rating 7.4 10,324 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Ottawa to Buenos Aires?
Finding the right flight to Buenos Aires from Ottawa 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 Buenos Aires quick and easy, saving you time and money.
Can I find flights from Ottawa to Buenos Aires with flexible booking policies on momondo?
Flights from Ottawa to Buenos Aires 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 Ottawa to Buenos Aires?
Once all potential Ottawa to Buenos Aires flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Ottawa to Buenos Aires right now. Can momondo alert me if prices change?
Price alerts on flights to Buenos Aires from Ottawa are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.