What is the cheapest airline that flies from Ottawa to Buenos Aires?

United Airlines is the most popular carrier operating from Ottawa to Buenos Aires

Which airlines fly to Buenos Aires?

Air Canada, Copa Airlines and Avianca 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 33% 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 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 September 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.

C$ 680 Cheap Flights from Ottawa to Buenos Aires in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ottawa to Buenos Aires

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One-way

Last minute

Cheap round-trip flights

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2:48 p.m. - 7:20 a.m.YOW Ottawa-EZE Buenos Aires Ministro Pistarini

38h 32m2 stops Newark Houston George Bush Intcntl

11:55 p.m. - 9:56 p.m.EZE Buenos Aires Ministro Pistarini-YOW Ottawa

24h 01m2 stops Houston George Bush Intcntl Newark

C$ 992United Airlines

Sun, 10 Jan - Thu, 11 Mar

2:00 p.m. - 7:20 a.m.YOW Ottawa-EZE Buenos Aires Ministro Pistarini

39h 20m2 stops Washington, D.C. Dulles Intl Houston George Bush Intcntl

10:05 p.m. - 9:56 p.m.EZE Buenos Aires Ministro Pistarini-YOW Ottawa

25h 51m2 stops Houston George Bush Intcntl Newark

C$ 1,046United Airlines

Tue, 24 Nov - Fri, 11 Dec

6:00 a.m. - 7:20 a.m.YOW Ottawa-EZE Buenos Aires Ministro Pistarini

47h 20m2 stops Newark Houston George Bush Intcntl

11:55 p.m. - 9:56 p.m.EZE Buenos Aires Ministro Pistarini-YOW Ottawa

48h 01m2 stops Houston George Bush Intcntl Newark

C$ 1,054United Airlines

Sat, 20 Feb - Sat, 6 Mar

6:00 a.m. - 7:20 a.m.YOW Ottawa-EZE Buenos Aires Ministro Pistarini

23h 20m2 stops Newark Houston George Bush Intcntl

11:55 p.m. - 9:56 p.m.EZE Buenos Aires Ministro Pistarini-YOW Ottawa

24h 01m2 stops Houston George Bush Intcntl Newark

C$ 1,061United Airlines

Tue, 24 Nov - Fri, 11 Dec

6:00 a.m. - 9:20 a.m.YOW Ottawa-EZE Buenos Aires Ministro Pistarini

25h 20m2 stops Newark Houston George Bush Intcntl

10:05 p.m. - 9:56 p.m.EZE Buenos Aires Ministro Pistarini-YOW Ottawa

25h 51m2 stops Houston George Bush Intcntl Newark

C$ 1,067United Airlines

Tue, 24 Nov - Fri, 11 Dec

2:00 p.m. - 7:20 a.m.YOW Ottawa-EZE Buenos Aires Ministro Pistarini

39h 20m2 stops Washington, D.C. Dulles Intl Houston George Bush Intcntl

10:05 p.m. - 9:56 p.m.EZE Buenos Aires Ministro Pistarini-YOW Ottawa

25h 51m2 stops Houston George Bush Intcntl Newark

C$ 1,095United Airlines

Tue, 24 Nov - Fri, 11 Dec

2:00 p.m. - 7:20 a.m.YOW Ottawa-EZE Buenos Aires Ministro Pistarini

39h 20m2 stops Washington, D.C. Dulles Intl Houston George Bush Intcntl

10:05 p.m. - 9:56 p.m.EZE Buenos Aires Ministro Pistarini-YOW Ottawa

25h 51m2 stops Houston George Bush Intcntl Newark

C$ 1,097United Airlines

Tue, 24 Nov - Fri, 11 Dec

2:48 p.m. - 7:20 a.m.YOW Ottawa-EZE Buenos Aires Ministro Pistarini

38h 32m2 stops Newark Houston George Bush Intcntl

10:05 p.m. - 3:12 p.m.EZE Buenos Aires Ministro Pistarini-YOW Ottawa

19h 07m2 stops Houston George Bush Intcntl Washington, D.C. Dulles Intl

C$ 1,183United Airlines

Fri, 5 Feb - Wed, 17 Feb

7:50 p.m. - 3:05 p.m.YOW Ottawa-EZE Buenos Aires Ministro Pistarini

17h 15m2 stops Montreal Pierre Elliott Trudeau Intl Sao Paulo Guarulhos Intl

4:50 p.m. - 3:57 p.m.EZE Buenos Aires Ministro Pistarini-YOW Ottawa

25h 07m3 stops Sao Paulo Guarulhos Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

C$ 1,319Air Canada

Sat, 20 Feb - Sat, 6 Mar

7:50 p.m. - 3:40 p.m.YOW Ottawa-AEP Buenos Aires Jorge Newbery

17h 50m2 stops Montreal Pierre Elliott Trudeau Intl Sao Paulo Guarulhos Intl

1:45 p.m. - 11:15 a.m.AEP Buenos Aires Jorge Newbery-YOW Ottawa

23h 30m2 stops Sao Paulo Guarulhos Intl Toronto Pearson Intl

C$ 1,329Multiple Airlines

Sat, 20 Feb - Sat, 6 Mar

Cheap last-minute flights

Enter your travel dates to find the best prices.

6:00 a.m. - 8:00 a.m.YOW Ottawa-EZE Buenos Aires Ministro Pistarini

25h 00m2 stops Washington, D.C. Dulles Intl Houston George Bush Intcntl

9:00 p.m. - 11:54 p.m.EZE Buenos Aires Ministro Pistarini-YOW Ottawa

27h 54m2 stops Houston George Bush Intcntl Washington, D.C. Dulles Intl

C$ 1,043United Airlines

Mon, 28 Sep - Sun, 4 Oct

6:00 a.m. - 8:00 a.m.YOW Ottawa-EZE Buenos Aires Ministro Pistarini

25h 00m2 stops Washington, D.C. Dulles Intl Houston George Bush Intcntl

9:00 p.m. - 11:54 p.m.EZE Buenos Aires Ministro Pistarini-YOW Ottawa

27h 54m2 stops Houston George Bush Intcntl Washington, D.C. Reagan-National

C$ 1,043United Airlines

Mon, 28 Sep - Wed, 7 Oct

6:00 a.m. - 8:00 a.m.YOW Ottawa-EZE Buenos Aires Ministro Pistarini

25h 00m2 stops Washington, D.C. Dulles Intl Houston George Bush Intcntl

9:00 p.m. - 9:56 a.m.EZE Buenos Aires Ministro Pistarini-YOW Ottawa

37h 56m2 stops Houston George Bush Intcntl Washington, D.C. Dulles Intl

C$ 1,043United Airlines

Thu, 24 Sep - Thu, 8 Oct

6:00 a.m. - 8:00 a.m.YOW Ottawa-EZE Buenos Aires Ministro Pistarini

25h 00m2 stops Washington, D.C. Dulles Intl Houston George Bush Intcntl

9:00 p.m. - 2:17 p.m.EZE Buenos Aires Ministro Pistarini-YOW Ottawa

18h 17m2 stops Houston George Bush Intcntl Washington, D.C. Dulles Intl

C$ 1,043United Airlines

Thu, 24 Sep - Mon, 5 Oct

6:00 a.m. - 8:00 a.m.YOW Ottawa-EZE Buenos Aires Ministro Pistarini

25h 00m2 stops Washington, D.C. Dulles Intl Houston George Bush Intcntl

9:00 p.m. - 10:35 p.m.EZE Buenos Aires Ministro Pistarini-YOW Ottawa

26h 35m2 stops Houston George Bush Intcntl Newark

C$ 1,043United Airlines

Mon, 28 Sep - Tue, 6 Oct

6:00 a.m. - 8:00 a.m.YOW Ottawa-EZE Buenos Aires Ministro Pistarini

25h 00m2 stops Washington, D.C. Dulles Intl Houston George Bush Intcntl

9:00 p.m. - 11:54 p.m.EZE Buenos Aires Ministro Pistarini-YOW Ottawa

27h 54m2 stops Houston George Bush Intcntl Washington, D.C. Reagan-National

C$ 1,043United Airlines

Thu, 24 Sep - Tue, 6 Oct

6:00 a.m. - 8:00 a.m.YOW Ottawa-EZE Buenos Aires Ministro Pistarini

25h 00m2 stops Washington, D.C. Dulles Intl Houston George Bush Intcntl

9:00 p.m. - 11:54 p.m.EZE Buenos Aires Ministro Pistarini-YOW Ottawa

27h 54m2 stops Houston George Bush Intcntl Washington, D.C. Reagan-National

C$ 1,043United Airlines

Thu, 24 Sep - Wed, 7 Oct

6:00 a.m. - 8:00 a.m.YOW Ottawa-EZE Buenos Aires Ministro Pistarini

25h 00m2 stops Washington, D.C. Dulles Intl Houston George Bush Intcntl

9:00 p.m. - 10:35 p.m.EZE Buenos Aires Ministro Pistarini-YOW Ottawa

26h 35m2 stops Houston George Bush Intcntl Newark

C$ 1,043United Airlines

Thu, 24 Sep - Sun, 4 Oct

6:00 a.m. - 8:00 a.m.YOW Ottawa-EZE Buenos Aires Ministro Pistarini

25h 00m2 stops Washington, D.C. Dulles Intl Houston George Bush Intcntl

9:00 p.m. - 5:10 p.m.EZE Buenos Aires Ministro Pistarini-YOW Ottawa

21h 10m2 stops Houston George Bush Intcntl Toronto Pearson Intl

C$ 1,536Copa Airlines

Sun, 27 Sep - Wed, 7 Oct

10:40 a.m. - 8:00 a.m.YOW Ottawa-EZE Buenos Aires Ministro Pistarini

20h 20m2 stops Washington, D.C. Reagan-National Houston George Bush Intcntl

9:00 p.m. - 5:10 p.m.EZE Buenos Aires Ministro Pistarini-YOW Ottawa

21h 10m2 stops Houston George Bush Intcntl Toronto Pearson Intl

C$ 1,536Multiple Airlines

Fri, 25 Sep - Thu, 8 Oct

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United Airlines flights from Ottawa to Buenos Aires

Our best United Airlines deals on Ottawa to Buenos Aires flight tickets

United Airlines

10 Jan

YOW2:48 p.m.Ottawa

38h 32m

2 stops

EZE7:20 a.m.Buenos Aires Ministro Pistarini

11 Mar

EZE11:55 p.m.Buenos Aires Ministro Pistarini

24h 01m

2 stops

YOW9:56 p.m.Ottawa

C$ 992

United Airlines

24 Sep

YOW6:00 a.m.Ottawa

25h 00m

2 stops

EZE8:00 a.m.Buenos Aires Ministro Pistarini

1 Oct

EZE9:00 p.m.Buenos Aires Ministro Pistarini

27h 54m

2 stops

YOW11:54 p.m.Ottawa

C$ 1,043

United Airlines

24 Nov

YOW2:00 p.m.Ottawa

39h 20m

2 stops

EZE7:20 a.m.Buenos Aires Ministro Pistarini

11 Dec

EZE10:05 p.m.Buenos Aires Ministro Pistarini

25h 51m

2 stops

YOW9:56 p.m.Ottawa

C$ 1,046

Air Canada flights from Ottawa to Buenos Aires

Our best Air Canada deals on Ottawa to Buenos Aires flight tickets

Air Canada

20 Feb

YOW7:50 p.m.Ottawa

17h 15m

2 stops

EZE3:05 p.m.Buenos Aires Ministro Pistarini

6 Mar

EZE4:50 p.m.Buenos Aires Ministro Pistarini

25h 07m

3 stops

YOW3:57 p.m.Ottawa

C$ 1,319

Air Canada

24 Nov

YOW7:35 p.m.Ottawa

17h 30m

2 stops

EZE3:05 p.m.Buenos Aires Ministro Pistarini

11 Dec

EZE4:45 p.m.Buenos Aires Ministro Pistarini

22h 25m

2 stops

YOW1:10 p.m.Ottawa

C$ 1,341

Air Canada

24 Nov

YOW7:35 p.m.Ottawa

17h 30m

2 stops

EZE3:05 p.m.Buenos Aires Ministro Pistarini

11 Dec

EZE4:45 p.m.Buenos Aires Ministro Pistarini

22h 25m

2 stops

YOW1:10 p.m.Ottawa

C$ 1,345

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaBuenos Aires

YOW Ottawa - EZE Buenos Aires Ministro Pistarini

YOWEZE

Ottawa

Sun 10/1

2:48 p.m.-7:20 a.m.

2 stops38h 32m

Buenos Aires Ministro Pistarini

Thu 11/3

11:55 p.m.-9:56 p.m.

2 stops24h 01m

C$ 992

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

Fri 11/12

10:05 p.m.-9:56 p.m.

2 stops25h 51m

C$ 1,046

OttawaBuenos Aires

YOW Ottawa - EZE Buenos Aires Ministro Pistarini

YOWEZE

Ottawa

Sat 20/2

6:00 a.m.-7:20 a.m.

2 stops47h 20m

Buenos Aires Ministro Pistarini

Sat 6/3

11:55 p.m.-9:56 p.m.

2 stops48h 01m

C$ 1,054

OttawaBuenos Aires

YOW Ottawa - EZE Buenos Aires Ministro Pistarini

YOWEZE

Ottawa

Tue 24/11

6:00 a.m.-7:20 a.m.

2 stops23h 20m

Buenos Aires Ministro Pistarini

Fri 11/12

11:55 p.m.-9:56 p.m.

2 stops24h 01m

C$ 1,061

OttawaBuenos Aires

YOW Ottawa - EZE Buenos Aires Ministro Pistarini

YOWEZE

Ottawa

Tue 24/11

6:00 a.m.-9:20 a.m.

2 stops25h 20m

Buenos Aires Ministro Pistarini

Fri 11/12

10:05 p.m.-9:56 p.m.

2 stops25h 51m

C$ 1,067

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

Fri 11/12

10:05 p.m.-9:56 p.m.

2 stops25h 51m

C$ 1,095

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

Fri 11/12

10:05 p.m.-9:56 p.m.

2 stops25h 51m

C$ 1,097

OttawaBuenos Aires

YOW Ottawa - EZE Buenos Aires Ministro Pistarini

YOWEZE

Ottawa

Fri 5/2

2:48 p.m.-7:20 a.m.

2 stops38h 32m

Buenos Aires Ministro Pistarini

Wed 17/2

10:05 p.m.-3:12 p.m.

2 stops19h 07m

C$ 1,183

OttawaBuenos Aires

YOW Ottawa - EZE Buenos Aires Ministro Pistarini

YOWEZE

Ottawa

Sat 20/2

7:50 p.m.-3:05 p.m.

2 stops17h 15m

Buenos Aires Ministro Pistarini

Sat 6/3

4:50 p.m.-3:57 p.m.

3 stops25h 07m

C$ 1,319

Quickest round-trip

OttawaBuenos Aires

YOW Ottawa - AEP Buenos Aires Jorge Newbery

YOWAEP

Ottawa

Sat 20/2

7:50 p.m.-3:40 p.m.

2 stops17h 50m

Buenos Aires Jorge Newbery

Sat 6/3

1:45 p.m.-11:15 a.m.

2 stops23h 30m

C$ 1,329

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest month to fly to Buenos Aires?

The cheapest month to fly to Buenos Aires from Ottawa is in August. 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 August, then October is your next best option. Flight prices from Ottawa to Buenos Aires during October average around C$ 1,137.

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.

When to book flights from Ottawa to Buenos Aires

Are you open to changing your travel dates? Check out the ideal times to fly from Ottawa to Buenos Aires according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

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

Best price found	C$ 680
Fastest flight time	17h 50m
Direct flights	None

The best one-way flight to Buenos Aires from Ottawa in the past 72 hours is C$ 680. The best round-trip flight deal from Ottawa to Buenos Aires found on momondo in the last 72 hours is C$ 992.

The fastest flight from Ottawa to Buenos Aires takes 17h 50m

There are no direct flights from Ottawa to Buenos Aires. There are no popular flight routes from Ottawa to Buenos Aires.

Search flight deals

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 17h 50m.
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 September 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 (56% of total bookings). The next most popular airline is Air Canada (44%).

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
United Airlines	PriceFrom C$ 1,078	Free Cancellation	Rating 7.4 10,226 reviews		Search United Airlines flights

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.

An easier way to manage your Buenos Aires trip

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Fly into one of these airports located in Buenos Aires

Buenos Aires Jorge Newbery Airport

Buenos Aires Ministro Pistarini Airport

Cheap flights from Ottawa to Buenos Aires from C$ 680

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 2/11. 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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United Airlines flights from Ottawa to Buenos Aires

Our best United Airlines deals on Ottawa to Buenos Aires flight tickets

Air Canada flights from Ottawa to Buenos Aires

Our best Air Canada deals on Ottawa to Buenos Aires flight tickets

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How to get the cheapest flight ticket from Ottawa to Buenos Aires

What is the cheapest month to fly to Buenos Aires?

Can stopping save me money on Ottawa to Buenos Aires flights?

What is the cheapest airline that flies from Ottawa to Buenos Aires?

Which airlines fly to Buenos Aires?

When to book flights from Ottawa to Buenos Aires

Cheap Ottawa to Buenos Aires (YOW to BUE) flight deals and tips

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying from Ottawa to Buenos Aires

Best airlines flying from Ottawa to Buenos Aires

Compare and see reviews for airlines that fly from Ottawa to Buenos Aires with momondo

Why use momondo?

An easier way to manage your Buenos Aires trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Argentina

Fly into one of these airports located in Buenos Aires

Airports listed have a maximum distance of 27.4 km from Buenos Aires

Fly your favourite airline to Buenos Aires

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Buenos Aires

List of cabin classes available on flights landing in Buenos Aires. Availability may vary depending on flight origin and airline.

Popular Cities in Argentina

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Ottawa

According to popular flight searches on momondo this year

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