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Cheap flights from Ottawa to Buenos Aires from C$ 555

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 6/6. 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
7:30 p.m. - 8:00 a.m.
YOW
-
EZE
35h 30m
2 stops
United Airlines Logo
9:00 p.m. - 10:03 a.m.
EZE
-
YOW
38h 03m
2 stops
C$ 1,128United Airlines
Mon, 8 Jun - Thu, 11 Jun
United Airlines Logo
6:05 a.m. - 8:00 a.m.
YOW
-
EZE
24h 55m
2 stops
United Airlines Logo
9:00 p.m. - 10:03 a.m.
EZE
-
YOW
38h 03m
2 stops
C$ 1,129United Airlines
Mon, 8 Jun - Thu, 11 Jun
United Airlines Logo
6:05 a.m. - 8:00 a.m.
YOW
-
EZE
24h 55m
2 stops
United Airlines Logo
9:00 p.m. - 9:11 a.m.
EZE
-
YOW
37h 11m
2 stops
C$ 1,133United Airlines
Wed, 10 Jun - Wed, 17 Jun
United Airlines Logo
6:00 a.m. - 7:20 a.m.
YOW
-
EZE
23h 20m
2 stops
United Airlines Logo
11:55 p.m. - 9:56 p.m.
EZE
-
YOW
24h 01m
2 stops
C$ 1,188United Airlines
Tue, 17 Nov - Thu, 3 Dec
United Airlines Logo
6:00 p.m. - 8:00 a.m.
YOW
-
EZE
61h 00m
2 stops
United Airlines Logo
11:55 p.m. - 9:11 a.m.
EZE
-
YOW
35h 16m
2 stops
C$ 1,213United Airlines
Fri, 25 Sep - Thu, 19 Nov
Air Canada Logo
2:00 p.m. - 2:30 p.m.
YOW
-
EZE
23h 30m
1 stop
Air Canada Logo
4:35 p.m. - 3:10 p.m.
EZE
-
YOW
23h 35m
1 stop
C$ 1,245Air Canada
Wed, 10 Jun - Wed, 17 Jun
Air Canada Logo
6:10 p.m. - 2:30 p.m.
YOW
-
EZE
19h 20m
1 stop
Air Canada Logo
4:35 p.m. - 11:15 a.m.
EZE
-
YOW
19h 40m
1 stop
C$ 1,253Air Canada
Wed, 17 Jun - Wed, 24 Jun
Multiple Airlines Logo
10:10 p.m. - 4:20 a.m.
YOW
-
AEP
29h 10m
3 stops
Multiple Airlines Logo
5:27 a.m. - 9:15 a.m.
AEP
-
YOW
28h 48m
3 stops
C$ 1,571Multiple Airlines
Wed, 10 Jun - Wed, 17 Jun
Air Canada Logo
9:10 a.m. - 9:00 p.m.
YOW
-
AEP
34h 50m
2 stops
Air Canada Logo
1:40 p.m. - 9:16 p.m.
AEP
-
YOW
32h 36m
2 stops
C$ 1,722Air Canada
Fri, 12 Jun - Tue, 16 Jun
Air Canada Logo
9:10 a.m. - 9:00 p.m.
YOW
-
AEP
34h 50m
2 stops
Air Canada Logo
1:40 p.m. - 1:35 a.m.
AEP
-
YOW
36h 55m
2 stops
C$ 1,723Air Canada
Fri, 12 Jun - Tue, 16 Jun

United Airlines flights from Ottawa to Buenos Aires

Our best United Airlines deals on Ottawa to Buenos Aires flight tickets
United Airlines
8 Jun
YOW7:30 p.m.Ottawa
35h 30m
2 stops
EZE8:00 a.m.Buenos Aires Ministro Pistarini
11 Jun
EZE9:00 p.m.Buenos Aires Ministro Pistarini
38h 03m
2 stops
YOW10:03 a.m.Ottawa
C$ 1,128
United Airlines
8 Jun
YOW6:05 a.m.Ottawa
24h 55m
2 stops
EZE8:00 a.m.Buenos Aires Ministro Pistarini
11 Jun
EZE9:00 p.m.Buenos Aires Ministro Pistarini
38h 03m
2 stops
YOW10:03 a.m.Ottawa
C$ 1,129
United Airlines
10 Jun
YOW6:05 a.m.Ottawa
24h 55m
2 stops
EZE8:00 a.m.Buenos Aires Ministro Pistarini
17 Jun
EZE9:00 p.m.Buenos Aires Ministro Pistarini
37h 11m
2 stops
YOW9:11 a.m.Ottawa
C$ 1,133

Air Canada flights from Ottawa to Buenos Aires

Our best Air Canada deals on Ottawa to Buenos Aires flight tickets
Air Canada
10 Jun
YOW2:00 p.m.Ottawa
23h 30m
1 stop
EZE2:30 p.m.Buenos Aires Ministro Pistarini
17 Jun
EZE4:35 p.m.Buenos Aires Ministro Pistarini
23h 35m
1 stop
YOW3:10 p.m.Ottawa
C$ 1,245
Air Canada
17 Jun
YOW6:10 p.m.Ottawa
19h 20m
1 stop
EZE2:30 p.m.Buenos Aires Ministro Pistarini
24 Jun
EZE4:35 p.m.Buenos Aires Ministro Pistarini
19h 40m
1 stop
YOW11:15 a.m.Ottawa
C$ 1,253
Air Canada
19 Nov
YOW10:50 a.m.Ottawa
26h 20m
2 stops
EZE3:10 p.m.Buenos Aires Ministro Pistarini
5 Dec
EZE4:45 p.m.Buenos Aires Ministro Pistarini
20h 42m
2 stops
YOW11:27 a.m.Ottawa
C$ 1,263

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 May 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

Cheapest round-trip

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Mon 8/6

7:30 p.m.-8:00 a.m.

2 stops35h 30m

Buenos Aires Ministro Pistarini

Thu 11/6

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

2 stops38h 03m

C$ 1,128

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Mon 8/6

6:05 a.m.-8:00 a.m.

2 stops24h 55m

Buenos Aires Ministro Pistarini

Thu 11/6

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

2 stops38h 03m

C$ 1,129

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Wed 10/6

6:05 a.m.-8:00 a.m.

2 stops24h 55m

Buenos Aires Ministro Pistarini

Wed 17/6

9:00 p.m.-9:11 a.m.

2 stops37h 11m

C$ 1,133

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Tue 17/11

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

2 stops23h 20m

Buenos Aires Ministro Pistarini

Thu 3/12

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

2 stops24h 01m

C$ 1,188

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Fri 25/9

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

2 stops61h 00m

Buenos Aires Ministro Pistarini

Thu 19/11

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

2 stops35h 16m

C$ 1,213

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Wed 10/6

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

1 stop23h 30m

Buenos Aires Ministro Pistarini

Wed 17/6

4:35 p.m.-3:10 p.m.

1 stop23h 35m

C$ 1,245
Quickest round-trip

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Wed 17/6

6:10 p.m.-2:30 p.m.

1 stop19h 20m

Buenos Aires Ministro Pistarini

Wed 24/6

4:35 p.m.-11:15 a.m.

1 stop19h 40m

C$ 1,253

OttawaBuenos Aires

YOW - AEP

YOWAEP

Ottawa

Wed 10/6

10:10 p.m.-4:20 a.m.

3 stops29h 10m

Buenos Aires Jorge Newbery

Wed 17/6

5:27 a.m.-9:15 a.m.

3 stops28h 48m

C$ 1,571

OttawaBuenos Aires

YOW - AEP

YOWAEP

Ottawa

Fri 12/6

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

2 stops34h 50m

Buenos Aires Jorge Newbery

Tue 16/6

1:40 p.m.-9:16 p.m.

2 stops32h 36m

C$ 1,722

OttawaBuenos Aires

YOW - AEP

YOWAEP

Ottawa

Fri 12/6

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

2 stops34h 50m

Buenos Aires Jorge Newbery

Tue 16/6

1:40 p.m.-1:35 a.m.

2 stops36h 55m

C$ 1,723

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 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 May. Flight prices, which tend to average around C$ 1,060, are often lower during this time because this is during the off-season. If you’re not able to fly to Buenos Aires in May, then February is your next best option. Flight prices from Ottawa to Buenos Aires during February average around C$ 1,064.

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

19h 55m

Direct flights

None
The fastest flight from Ottawa to Buenos Aires takes 19h 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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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 19h 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$ 592Free CancellationRating
7.4
9,749 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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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