Which airlines fly to Buenos Aires?

Air Canada, Copa Airlines and United Airlines 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 50% 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.

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

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 January 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$ 564 Cheap Flights from Ottawa to Buenos Aires in 2026

Q: What is the typical price of a round-trip flight between Ottawa and Buenos Aires?

Prices are currently low for flights on this route. Typical prices usually range from C$ 1,213 to C$ 1,332. The lowest price recently found on this route was C$ 1,082.

1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Ottawa to Buenos Aires

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:45 a.m. - 8:20 a.m.

YOW

EZE

45h 35m

2 stops

9:05 p.m. - 11:54 p.m.

EZE

YOW

51h 49m

2 stops

C$ 1,082United Airlines

Mon, 9 Mar - Wed, 18 Mar

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

YOW

EZE

23h 20m

2 stops

10:55 p.m. - 9:56 p.m.

EZE

YOW

24h 01m

2 stops

C$ 1,084United Airlines

Sun, 1 Mar - Mon, 16 Mar

7:37 p.m. - 8:00 a.m.

YOW

EZE

35h 23m

2 stops

9:00 p.m. - 2:07 p.m.

EZE

YOW

42h 07m

2 stops

C$ 1,087United Airlines

Fri, 1 May - Sun, 31 May

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

YOW

EZE

23h 20m

2 stops

10:55 p.m. - 9:56 p.m.

EZE

YOW

24h 01m

2 stops

C$ 1,090United Airlines

Sun, 1 Mar - Mon, 16 Mar

6:00 a.m. - 8:20 a.m.

YOW

EZE

25h 20m

2 stops

9:05 p.m. - 4:30 p.m.

EZE

YOW

20h 25m

2 stops

C$ 1,112United Airlines

Tue, 24 Mar - Thu, 26 Mar

6:20 p.m. - 2:30 p.m.

YOW

EZE

19h 10m

2 stops

4:30 p.m. - 10:06 a.m.

EZE

YOW

18h 36m

2 stops

C$ 1,136Air Canada

Fri, 3 Apr - Thu, 23 Apr

8:00 p.m. - 2:30 p.m.

YOW

EZE

17h 30m

2 stops

4:30 p.m. - 11:04 a.m.

EZE

YOW

19h 34m

2 stops

C$ 1,139Air Canada

Tue, 31 Mar - Wed, 15 Apr

4:00 p.m. - 2:30 p.m.

YOW

EZE

21h 30m

2 stops

4:30 p.m. - 11:04 a.m.

EZE

YOW

19h 34m

1 stop

C$ 1,141Air Canada

Tue, 31 Mar - Wed, 15 Apr

10:10 a.m. - 8:30 a.m.

YOW

AEP

21h 20m

2 stops

12:10 a.m. - 8:23 a.m.

AEP

YOW

33h 13m

3 stops

C$ 1,442Multiple Airlines

Fri, 20 Mar - Fri, 27 Mar

6:20 p.m. - 5:20 p.m.

YOW

AEP

22h 00m

2 stops

1:30 p.m. - 11:04 a.m.

AEP

YOW

22h 34m

2 stops

C$ 1,646Air Canada

Fri, 3 Apr - Sat, 25 Apr

Air Canada flights from Ottawa to Buenos Aires

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

Air Canada

3 Apr

YOW8:05 p.m.Ottawa

17h 25m

2 stops

EZE2:30 p.m.Buenos Aires Ministro Pistarini

23 Apr

EZE4:30 p.m.Buenos Aires Ministro Pistarini

18h 36m

2 stops

YOW10:06 a.m.Ottawa

C$ 1,136

Air Canada

3 Apr

YOW8:05 p.m.Ottawa

17h 25m

2 stops

EZE2:30 p.m.Buenos Aires Ministro Pistarini

25 Apr

EZE4:30 p.m.Buenos Aires Ministro Pistarini

19h 34m

2 stops

YOW11:04 a.m.Ottawa

C$ 1,143

Air Canada

3 Apr

YOW8:05 p.m.Ottawa

17h 25m

2 stops

EZE2:30 p.m.Buenos Aires Ministro Pistarini

23 Apr

EZE4:30 p.m.Buenos Aires Ministro Pistarini

22h 36m

3 stops

YOW2:06 p.m.Ottawa

C$ 1,147

United Airlines flights from Ottawa to Buenos Aires

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

United Airlines

1 Apr

YOW7:40 p.m.Ottawa

35h 20m

2 stops

EZE8:00 a.m.Buenos Aires Ministro Pistarini

15 Apr

EZE9:00 p.m.Buenos Aires Ministro Pistarini

38h 03m

2 stops

YOW10:03 a.m.Ottawa

C$ 1,082

United Airlines

1 Mar

YOW6:00 a.m.Ottawa

23h 20m

2 stops

EZE7:20 a.m.Buenos Aires Ministro Pistarini

16 Mar

EZE10:55 p.m.Buenos Aires Ministro Pistarini

24h 01m

2 stops

YOW9:56 p.m.Ottawa

C$ 1,090

United Airlines

24 Feb

YOW9:45 a.m.Ottawa

21h 35m

2 stops

EZE9:20 a.m.Buenos Aires Ministro Pistarini

3 Mar

EZE10:05 p.m.Buenos Aires Ministro Pistarini

27h 49m

2 stops

YOW11:54 p.m.Ottawa

C$ 1,093

Fly from

Fly to

Route

Depart

Return

Price

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Mon 9/3

9:45 a.m.-8:20 a.m.

2 stops45h 35m

Buenos Aires Ministro Pistarini

Wed 18/3

9:05 p.m.-11:54 p.m.

2 stops51h 49m

C$ 1,082

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Sun 1/3

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

2 stops23h 20m

Buenos Aires Ministro Pistarini

Mon 16/3

10:55 p.m.-9:56 p.m.

2 stops24h 01m

C$ 1,084

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Fri 1/5

7:37 p.m.-8:00 a.m.

2 stops35h 23m

Buenos Aires Ministro Pistarini

Sun 31/5

9:00 p.m.-2:07 p.m.

2 stops42h 07m

C$ 1,087

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Sun 1/3

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

2 stops23h 20m

Buenos Aires Ministro Pistarini

Mon 16/3

10:55 p.m.-9:56 p.m.

2 stops24h 01m

C$ 1,090

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Tue 24/3

6:00 a.m.-8:20 a.m.

2 stops25h 20m

Buenos Aires Ministro Pistarini

Thu 26/3

9:05 p.m.-4:30 p.m.

2 stops20h 25m

C$ 1,112

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Fri 3/4

6:20 p.m.-2:30 p.m.

2 stops19h 10m

Buenos Aires Ministro Pistarini

Thu 23/4

4:30 p.m.-10:06 a.m.

2 stops18h 36m

C$ 1,136

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Tue 31/3

8:00 p.m.-2:30 p.m.

2 stops17h 30m

Buenos Aires Ministro Pistarini

Wed 15/4

4:30 p.m.-11:04 a.m.

2 stops19h 34m

C$ 1,139

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Tue 31/3

4:00 p.m.-2:30 p.m.

2 stops21h 30m

Buenos Aires Ministro Pistarini

Wed 15/4

4:30 p.m.-11:04 a.m.

1 stop19h 34m

C$ 1,141

OttawaBuenos Aires

YOW - AEP

YOWAEP

Ottawa

Fri 20/3

10:10 a.m.-8:30 a.m.

2 stops21h 20m

Buenos Aires Jorge Newbery

Fri 27/3

12:10 a.m.-8:23 a.m.

3 stops33h 13m

C$ 1,442

OttawaBuenos Aires

YOW - AEP

YOWAEP

Ottawa

Fri 3/4

6:20 p.m.-5:20 p.m.

2 stops22h 00m

Buenos Aires Jorge Newbery

Sat 25/4

1:30 p.m.-11:04 a.m.

2 stops22h 34m

C$ 1,646

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 typical price of a round-trip flight between Ottawa and Buenos Aires?

What is the cheapest month to fly to Buenos Aires?

The cheapest month to fly to Buenos Aires from Ottawa is in September. Flight prices, which tend to average around C$ 1,058, are often lower during this time because this is during the off-season. If you’re not able to fly to Buenos Aires in September, then May is your next best option. Flight prices from Ottawa to Buenos Aires during May average around C$ 1,139.

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

Fastest flight time	17h 15m
Direct flights	None

The fastest flight from Ottawa to Buenos Aires takes 17h 15m

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

Search flight deals

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 15m.
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 January 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 Air Canada (57% of total bookings). The next most popular airline is United Airlines (43%).

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$ 587	Free Cancellation	Rating 7.4 9,205 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

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Thu 26/2

Thu 5/3

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Argentina

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$ 564

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 15/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Ottawa to Buenos Aires

Cheap round-trip flights

Cheap one-way flights

Air Canada flights from Ottawa to Buenos Aires

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

United Airlines flights from Ottawa to Buenos Aires

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

momondo Fare Finder

Use the filters below to find and compare flights from Ottawa to Buenos Aires that are best for you.

See travel insights to Buenos Aires from

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

What is the typical price of a round-trip flight between Ottawa and Buenos Aires?

What is the cheapest month to fly to Buenos Aires?

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?

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

Fastest flight time

Direct flights

How far is Ottawa to Buenos Aires by plane?

When did momondo last update prices for flights from Ottawa Airport to Buenos Aires?

How many operators does momondo search for flights from Ottawa Airport to Buenos Aires?

How old do you have to be to fly from Ottawa Airport to Buenos Aires?

What documentation or ID do you need to fly to Buenos Aires?

What is the most popular airline 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?

Why should I use momondo to find a flight deal from Ottawa to Buenos Aires?

Can I find flights from Ottawa to Buenos Aires with flexible booking policies on momondo?

How can momondo help me find flights from Ottawa to Buenos Aires?

I’m not ready to book a flight from Ottawa to Buenos Aires right now. Can momondo alert me if prices change?

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