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Cheap flights from Ottawa to Buenos Aires from C$ 457

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 3/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
5:50 p.m. - 8:00 a.m.
YOW
-
EZE
37h 10m
2 stops
United Airlines Logo
9:00 p.m. - 6:55 p.m.
EZE
-
YOW
22h 55m
2 stops
C$ 1,082United Airlines
Mon, 13 Apr - Wed, 29 Apr
United Airlines Logo
3:10 p.m. - 8:00 a.m.
YOW
-
EZE
39h 50m
3 stops
United Airlines Logo
9:00 p.m. - 10:03 a.m.
EZE
-
YOW
38h 03m
2 stops
C$ 1,101United Airlines
Sun, 5 Apr - Sun, 12 Apr
United Airlines Logo
3:10 p.m. - 8:00 a.m.
YOW
-
EZE
39h 50m
2 stops
United Airlines Logo
9:00 p.m. - 2:22 p.m.
EZE
-
YOW
42h 22m
2 stops
C$ 1,109United Airlines
Sun, 5 Apr - Sun, 12 Apr
United Airlines Logo
7:30 p.m. - 6:20 a.m.
YOW
-
EZE
33h 50m
2 stops
United Airlines Logo
9:05 p.m. - 6:55 p.m.
EZE
-
YOW
22h 50m
2 stops
C$ 1,122United Airlines
Tue, 10 Mar - Tue, 24 Mar
United Airlines Logo
9:45 a.m. - 8:20 a.m.
YOW
-
EZE
21h 35m
2 stops
United Airlines Logo
9:05 p.m. - 11:54 p.m.
EZE
-
YOW
27h 49m
2 stops
C$ 1,123United Airlines
Tue, 10 Mar - Mon, 23 Mar
United Airlines Logo
7:30 p.m. - 8:20 a.m.
YOW
-
EZE
35h 50m
2 stops
United Airlines Logo
9:05 p.m. - 11:54 p.m.
EZE
-
YOW
27h 49m
2 stops
C$ 1,130United Airlines
Tue, 10 Mar - Mon, 23 Mar
United Airlines Logo
9:45 a.m. - 8:20 a.m.
YOW
-
EZE
21h 35m
2 stops
United Airlines Logo
9:05 p.m. - 9:56 p.m.
EZE
-
YOW
25h 51m
2 stops
C$ 1,131United Airlines
Tue, 24 Mar - Thu, 26 Mar
United Airlines Logo
7:30 p.m. - 7:20 a.m.
YOW
-
EZE
33h 50m
2 stops
United Airlines Logo
9:05 p.m. - 11:54 p.m.
EZE
-
YOW
27h 49m
2 stops
C$ 1,141United Airlines
Thu, 5 Mar - Wed, 18 Mar
Multiple Airlines Logo
10:10 a.m. - 8:30 a.m.
YOW
-
AEP
21h 20m
2 stops
Multiple Airlines Logo
5:45 a.m. - 5:35 p.m.
AEP
-
YOW
36h 50m
3 stops
C$ 1,186Multiple Airlines
Mon, 13 Apr - Wed, 29 Apr
Multiple Airlines Logo
6:45 a.m. - 8:30 a.m.
YOW
-
AEP
24h 45m
3 stops
Multiple Airlines Logo
9:35 a.m. - 5:35 p.m.
AEP
-
YOW
33h 00m
3 stops
C$ 1,204Multiple Airlines
Mon, 13 Apr - Wed, 29 Apr

United Airlines flights from Ottawa to Buenos Aires

Our best United Airlines deals on Ottawa to Buenos Aires flight tickets
United Airlines
13 Apr
YOW5:50 p.m.Ottawa
37h 10m
2 stops
EZE8:00 a.m.Buenos Aires Ministro Pistarini
29 Apr
EZE9:00 p.m.Buenos Aires Ministro Pistarini
22h 55m
2 stops
YOW6:55 p.m.Ottawa
C$ 1,082
United Airlines
5 Apr
YOW3:10 p.m.Ottawa
39h 50m
3 stops
EZE8:00 a.m.Buenos Aires Ministro Pistarini
12 Apr
EZE9:00 p.m.Buenos Aires Ministro Pistarini
38h 03m
2 stops
YOW10:03 a.m.Ottawa
C$ 1,101
United Airlines
5 Apr
YOW3:10 p.m.Ottawa
39h 50m
2 stops
EZE8:00 a.m.Buenos Aires Ministro Pistarini
12 Apr
EZE9:00 p.m.Buenos Aires Ministro Pistarini
42h 22m
2 stops
YOW2:22 p.m.Ottawa
C$ 1,109

Air Canada flights from Ottawa to Buenos Aires

Our best Air Canada deals on Ottawa to Buenos Aires flight tickets
Air Canada
3 Apr
YOW7:25 p.m.Ottawa
18h 05m
2 stops
EZE2:30 p.m.Buenos Aires Ministro Pistarini
23 Apr
EZE4:30 p.m.Buenos Aires Ministro Pistarini
21h 45m
2 stops
YOW1:15 p.m.Ottawa
C$ 1,149
Air Canada
3 Apr
YOW7:25 p.m.Ottawa
18h 05m
2 stops
EZE2:30 p.m.Buenos Aires Ministro Pistarini
23 Apr
EZE4:30 p.m.Buenos Aires Ministro Pistarini
19h 35m
2 stops
YOW11:05 a.m.Ottawa
C$ 1,150
Air Canada
3 Apr
YOW2:50 p.m.Ottawa
22h 40m
3 stops
EZE2:30 p.m.Buenos Aires Ministro Pistarini
23 Apr
EZE4:30 p.m.Buenos Aires Ministro Pistarini
23h 50m
2 stops
YOW3:20 p.m.Ottawa
C$ 1,153

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 22 February 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

Mon 13/4

5:50 p.m.-8:00 a.m.

2 stops37h 10m

Buenos Aires Ministro Pistarini

Wed 29/4

9:00 p.m.-6:55 p.m.

2 stops22h 55m

C$ 1,082

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Sun 5/4

3:10 p.m.-8:00 a.m.

3 stops39h 50m

Buenos Aires Ministro Pistarini

Sun 12/4

9:00 p.m.-10:03 a.m.

2 stops38h 03m

C$ 1,101

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Sun 5/4

3:10 p.m.-8:00 a.m.

2 stops39h 50m

Buenos Aires Ministro Pistarini

Sun 12/4

9:00 p.m.-2:22 p.m.

2 stops42h 22m

C$ 1,109

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Tue 10/3

7:30 p.m.-6:20 a.m.

2 stops33h 50m

Buenos Aires Ministro Pistarini

Tue 24/3

9:05 p.m.-6:55 p.m.

2 stops22h 50m

C$ 1,122

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Tue 10/3

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

2 stops21h 35m

Buenos Aires Ministro Pistarini

Mon 23/3

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

2 stops27h 49m

C$ 1,123

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Tue 10/3

7:30 p.m.-8:20 a.m.

2 stops35h 50m

Buenos Aires Ministro Pistarini

Mon 23/3

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

2 stops27h 49m

C$ 1,130

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Tue 24/3

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

2 stops21h 35m

Buenos Aires Ministro Pistarini

Thu 26/3

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

2 stops25h 51m

C$ 1,131

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Thu 5/3

7:30 p.m.-7:20 a.m.

2 stops33h 50m

Buenos Aires Ministro Pistarini

Wed 18/3

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

2 stops27h 49m

C$ 1,141

OttawaBuenos Aires

YOW - AEP

YOWAEP

Ottawa

Mon 13/4

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

2 stops21h 20m

Buenos Aires Jorge Newbery

Wed 29/4

5:45 a.m.-5:35 p.m.

3 stops36h 50m

C$ 1,186

OttawaBuenos Aires

YOW - AEP

YOWAEP

Ottawa

Mon 13/4

6:45 a.m.-8:30 a.m.

3 stops24h 45m

Buenos Aires Jorge Newbery

Wed 29/4

9:35 a.m.-5:35 p.m.

3 stops33h 00m

C$ 1,204

Flights are sorted by cheapest round-trip flights 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 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$ 1,057, 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$ 1,138.

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

20h 15m

Direct flights

None
The fastest flight from Ottawa to Buenos Aires takes 20h 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 20h 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?

  • 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$ 586Free CancellationRating
7.4
9,341 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