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Cheap flights from Ottawa to Buenos Aires from C$ 561

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 1/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Ottawa to Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
9:45 a.m. - 8:20 a.m.
YOW
-
EZE
21h 35m
2 stops
United Airlines Logo
9:05 p.m. - 4:30 p.m.
EZE
-
YOW
20h 25m
2 stops
C$ 1,077United Airlines
Wed, 18 Mar - Wed, 25 Mar
United Airlines Logo
9:45 a.m. - 9:20 a.m.
YOW
-
EZE
21h 35m
2 stops
United Airlines Logo
10:55 p.m. - 2:27 p.m.
EZE
-
YOW
40h 32m
2 stops
C$ 1,083United Airlines
Tue, 3 Mar - Mon, 16 Mar
United Airlines Logo
7:27 p.m. - 7:20 a.m.
YOW
-
EZE
33h 53m
2 stops
United Airlines Logo
10:05 p.m. - 2:27 p.m.
EZE
-
YOW
18h 22m
2 stops
C$ 1,124United Airlines
Sun, 8 Feb - Tue, 24 Feb
United Airlines Logo
7:27 p.m. - 7:20 a.m.
YOW
-
EZE
33h 53m
2 stops
United Airlines Logo
10:05 p.m. - 4:30 p.m.
EZE
-
YOW
20h 25m
2 stops
C$ 1,125United Airlines
Sun, 8 Feb - Tue, 24 Feb
United Airlines Logo
6:00 a.m. - 7:20 a.m.
YOW
-
EZE
23h 20m
2 stops
United Airlines Logo
10:05 p.m. - 9:56 p.m.
EZE
-
YOW
25h 51m
2 stops
C$ 1,127United Airlines
Tue, 3 Feb - Mon, 9 Feb
Air Canada Logo
4:15 p.m. - 2:30 p.m.
YOW
-
EZE
21h 15m
2 stops
Air Canada Logo
4:30 p.m. - 4:21 p.m.
EZE
-
YOW
24h 51m
2 stops
C$ 1,139Air Canada
Fri, 3 Apr - Thu, 23 Apr
Air Canada Logo
4:00 p.m. - 2:30 p.m.
YOW
-
EZE
21h 30m
2 stops
Air Canada Logo
4:30 p.m. - 3:19 p.m.
EZE
-
YOW
23h 49m
1 stop
C$ 1,140Air Canada
Tue, 31 Mar - Wed, 15 Apr
Air Canada Logo
4:00 p.m. - 2:30 p.m.
YOW
-
EZE
21h 30m
2 stops
Air Canada Logo
4:30 p.m. - 3:19 p.m.
EZE
-
YOW
23h 49m
1 stop
C$ 1,142Air Canada
Tue, 31 Mar - Wed, 15 Apr
Multiple Airlines Logo
7:25 p.m. - 10:20 p.m.
YOW
-
AEP
24h 55m
2 stops
Multiple Airlines Logo
4:20 p.m. - 2:07 p.m.
AEP
-
YOW
22h 47m
2 stops
C$ 1,370Multiple Airlines
Wed, 4 Mar - Wed, 18 Mar
Air Canada Logo
6:20 p.m. - 5:20 p.m.
YOW
-
AEP
22h 00m
2 stops
Air Canada Logo
1:30 p.m. - 3:19 p.m.
AEP
-
YOW
26h 49m
2 stops
C$ 1,639Air Canada
Tue, 31 Mar - Wed, 15 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
YOW4:15 p.m.Ottawa
21h 15m
2 stops
EZE2:30 p.m.Buenos Aires Ministro Pistarini
23 Apr
EZE4:30 p.m.Buenos Aires Ministro Pistarini
24h 51m
2 stops
YOW4:21 p.m.Ottawa
C$ 1,139
Air Canada
31 Mar
YOW4:00 p.m.Ottawa
21h 30m
2 stops
EZE2:30 p.m.Buenos Aires Ministro Pistarini
15 Apr
EZE4:30 p.m.Buenos Aires Ministro Pistarini
23h 49m
1 stop
YOW3:19 p.m.Ottawa
C$ 1,140
Air Canada
31 Mar
YOW4:00 p.m.Ottawa
21h 30m
2 stops
EZE2:30 p.m.Buenos Aires Ministro Pistarini
15 Apr
EZE4:30 p.m.Buenos Aires Ministro Pistarini
23h 49m
1 stop
YOW3:19 p.m.Ottawa
C$ 1,142

United Airlines flights from Ottawa to Buenos Aires

Our best United Airlines deals on Ottawa to Buenos Aires flight tickets
United Airlines
18 Mar
YOW9:45 a.m.Ottawa
21h 35m
2 stops
EZE8:20 a.m.Buenos Aires Ministro Pistarini
25 Mar
EZE9:05 p.m.Buenos Aires Ministro Pistarini
20h 25m
2 stops
YOW4:30 p.m.Ottawa
C$ 1,077
United Airlines
3 Mar
YOW9:45 a.m.Ottawa
21h 35m
2 stops
EZE9:20 a.m.Buenos Aires Ministro Pistarini
16 Mar
EZE10:55 p.m.Buenos Aires Ministro Pistarini
40h 32m
2 stops
YOW2:27 p.m.Ottawa
C$ 1,083
United Airlines
8 Feb
YOW7:27 p.m.Ottawa
33h 53m
2 stops
EZE7:20 a.m.Buenos Aires Ministro Pistarini
24 Feb
EZE10:05 p.m.Buenos Aires Ministro Pistarini
18h 22m
2 stops
YOW2:27 p.m.Ottawa
C$ 1,124

momondo Fare Finder

 
Customize your flight search to find flights from Ottawa to Buenos Aires that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 24 January 2026.
Use the filters below to find and compare flights from Ottawa to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Wed 18/3

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

2 stops21h 35m

Buenos Aires Ministro Pistarini

Wed 25/3

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

2 stops20h 25m

C$ 1,077

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Tue 3/3

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

2 stops21h 35m

Buenos Aires Ministro Pistarini

Mon 16/3

10:55 p.m.-2:27 p.m.

2 stops40h 32m

C$ 1,083

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Sun 8/2

7:27 p.m.-7:20 a.m.

2 stops33h 53m

Buenos Aires Ministro Pistarini

Tue 24/2

10:05 p.m.-2:27 p.m.

2 stops18h 22m

C$ 1,124

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Sun 8/2

7:27 p.m.-7:20 a.m.

2 stops33h 53m

Buenos Aires Ministro Pistarini

Tue 24/2

10:05 p.m.-4:30 p.m.

2 stops20h 25m

C$ 1,125

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Tue 3/2

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

2 stops23h 20m

Buenos Aires Ministro Pistarini

Mon 9/2

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

2 stops25h 51m

C$ 1,127

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Fri 3/4

4:15 p.m.-2:30 p.m.

2 stops21h 15m

Buenos Aires Ministro Pistarini

Thu 23/4

4:30 p.m.-4:21 p.m.

2 stops24h 51m

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.-3:19 p.m.

1 stop23h 49m

C$ 1,140

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.-3:19 p.m.

1 stop23h 49m

C$ 1,142

OttawaBuenos Aires

YOW - AEP

YOWAEP

Ottawa

Wed 4/3

7:25 p.m.-10:20 p.m.

2 stops24h 55m

Buenos Aires Jorge Newbery

Wed 18/3

4:20 p.m.-2:07 p.m.

2 stops22h 47m

C$ 1,370

OttawaBuenos Aires

YOW - AEP

YOWAEP

Ottawa

Tue 31/3

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

2 stops22h 00m

Buenos Aires Jorge Newbery

Wed 15/4

1:30 p.m.-3:19 p.m.

2 stops26h 49m

C$ 1,638

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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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 September. Flight prices, which tend to average around C$ 1,063, 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$ 1,145.

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

16h 55m

Direct flights

None
The fastest flight from Ottawa to Buenos Aires takes 16h 55m
There are no direct flights from Ottawa to Buenos Aires. There are no popular flight routes from Ottawa to Buenos Aires.
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  • 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 16h 55m.

  • 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?

  • 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?

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 AirlinesPriceFrom C$ 589Free CancellationRating
7.4
9,194 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.

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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
Buenos Aires Jorge Newbery Airport
Buenos Aires Ministro Pistarini Airport