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Cheap flights from Ottawa to Buenos Aires from C$ 542

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 2/9. 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.
Air Canada Logo
9:05 a.m. - 2:30 p.m.
YOW
-
EZE
28h 25m
2 stops
Air Canada Logo
4:35 p.m. - 1:54 p.m.
EZE
-
YOW
22h 19m
2 stops
C$ 1,117Air Canada
Tue, 22 Sep - Thu, 24 Sep
Air Canada Logo
6:25 p.m. - 2:30 p.m.
YOW
-
EZE
19h 05m
2 stops
Air Canada Logo
4:35 p.m. - 5:29 p.m.
EZE
-
YOW
25h 54m
3 stops
C$ 1,128Air Canada
Tue, 22 Sep - Thu, 24 Sep
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$ 1,217United Airlines
Sat, 30 May - Fri, 5 Jun
United Airlines Logo
6:00 a.m. - 8:00 a.m.
YOW
-
EZE
25h 00m
2 stops
United Airlines Logo
9:00 p.m. - 6:55 p.m.
EZE
-
YOW
46h 55m
2 stops
C$ 1,221United Airlines
Mon, 11 May - Fri, 15 May
Multiple Airlines Logo
10:05 p.m. - 2:30 p.m.
YOW
-
EZE
39h 25m
2 stops
Multiple Airlines Logo
7:10 a.m. - 8:06 a.m.
EZE
-
YOW
25h 56m
3 stops
C$ 1,363Multiple Airlines
Sat, 30 May - Fri, 5 Jun
United Airlines Logo
6:00 a.m. - 8:00 a.m.
YOW
-
EZE
25h 00m
2 stops
United Airlines Logo
9:00 p.m. - 6:48 p.m.
EZE
-
YOW
22h 48m
2 stops
C$ 1,407United Airlines
Thu, 30 Apr - Thu, 28 May
Multiple Airlines Logo
10:05 p.m. - 2:30 p.m.
YOW
-
EZE
39h 25m
1 stop
Multiple Airlines Logo
4:50 p.m. - 10:11 p.m.
EZE
-
YOW
30h 21m
2 stops
C$ 1,499Multiple Airlines
Sat, 30 May - Fri, 5 Jun
Multiple Airlines Logo
9:30 p.m. - 2:30 p.m.
YOW
-
EZE
40h 00m
3 stops
Multiple Airlines Logo
2:30 a.m. - 12:20 a.m.
EZE
-
YOW
22h 50m
3 stops
C$ 1,528Multiple Airlines
Sat, 30 May - Thu, 4 Jun
Multiple Airlines Logo
6:00 a.m. - 7:30 p.m.
YOW
-
EZE
36h 30m
1 stop
Multiple Airlines Logo
11:25 p.m. - 6:00 p.m.
EZE
-
YOW
19h 35m
2 stops
C$ 1,530Multiple Airlines
Thu, 30 Apr - Thu, 28 May
Air Canada Logo
2:35 p.m. - 5:20 p.m.
YOW
-
AEP
25h 45m
2 stops
Air Canada Logo
1:40 p.m. - 8:50 p.m.
AEP
-
YOW
32h 10m
2 stops
C$ 1,581Air Canada
Tue, 22 Sep - Thu, 24 Sep

United Airlines flights from Ottawa to Buenos Aires

Our best United Airlines deals on Ottawa to Buenos Aires flight tickets
United Airlines
30 May
YOW7:30 p.m.Ottawa
35h 30m
2 stops
EZE8:00 a.m.Buenos Aires Ministro Pistarini
5 Jun
EZE9:00 p.m.Buenos Aires Ministro Pistarini
38h 03m
2 stops
YOW10:03 a.m.Ottawa
C$ 1,217
United Airlines
11 May
YOW6:00 a.m.Ottawa
25h 00m
2 stops
EZE8:00 a.m.Buenos Aires Ministro Pistarini
15 May
EZE9:00 p.m.Buenos Aires Ministro Pistarini
46h 55m
2 stops
YOW6:55 p.m.Ottawa
C$ 1,221
United Airlines
30 Apr
YOW6:00 a.m.Ottawa
25h 00m
2 stops
EZE8:00 a.m.Buenos Aires Ministro Pistarini
28 May
EZE9:00 p.m.Buenos Aires Ministro Pistarini
22h 48m
2 stops
YOW6:48 p.m.Ottawa
C$ 1,407

Air Canada flights from Ottawa to Buenos Aires

Our best Air Canada deals on Ottawa to Buenos Aires flight tickets
Air Canada
22 Sep
YOW9:05 a.m.Ottawa
28h 25m
2 stops
EZE2:30 p.m.Buenos Aires Ministro Pistarini
24 Sep
EZE4:35 p.m.Buenos Aires Ministro Pistarini
22h 19m
2 stops
YOW1:54 p.m.Ottawa
C$ 1,117
Air Canada
22 Sep
YOW6:25 p.m.Ottawa
19h 05m
2 stops
EZE2:30 p.m.Buenos Aires Ministro Pistarini
24 Sep
EZE4:35 p.m.Buenos Aires Ministro Pistarini
25h 54m
3 stops
YOW5:29 p.m.Ottawa
C$ 1,128
Air Canada
22 Sep
YOW2:35 p.m.Ottawa
25h 45m
2 stops
AEP5:20 p.m.Buenos Aires Jorge Newbery
24 Sep
AEP1:40 p.m.Buenos Aires Jorge Newbery
32h 10m
2 stops
YOW8:50 p.m.Ottawa
C$ 1,581

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 19 April 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

Tue 22/9

9:05 a.m.-2:30 p.m.

2 stops28h 25m

Buenos Aires Ministro Pistarini

Thu 24/9

4:35 p.m.-1:54 p.m.

2 stops22h 19m

C$ 1,117
Quickest round-trip

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Tue 22/9

6:25 p.m.-2:30 p.m.

2 stops19h 05m

Buenos Aires Ministro Pistarini

Thu 24/9

4:35 p.m.-5:29 p.m.

3 stops25h 54m

C$ 1,128

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Sat 30/5

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

2 stops35h 30m

Buenos Aires Ministro Pistarini

Fri 5/6

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

2 stops38h 03m

C$ 1,217

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Mon 11/5

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

2 stops25h 00m

Buenos Aires Ministro Pistarini

Fri 15/5

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

2 stops46h 55m

C$ 1,221

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Sat 30/5

10:05 p.m.-2:30 p.m.

2 stops39h 25m

Buenos Aires Ministro Pistarini

Fri 5/6

7:10 a.m.-8:06 a.m.

3 stops25h 56m

C$ 1,363

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Thu 30/4

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

2 stops25h 00m

Buenos Aires Ministro Pistarini

Thu 28/5

9:00 p.m.-6:48 p.m.

2 stops22h 48m

C$ 1,407

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Sat 30/5

10:05 p.m.-2:30 p.m.

1 stop39h 25m

Buenos Aires Ministro Pistarini

Fri 5/6

4:50 p.m.-10:11 p.m.

2 stops30h 21m

C$ 1,499

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Sat 30/5

9:30 p.m.-2:30 p.m.

3 stops40h 00m

Buenos Aires Ministro Pistarini

Thu 4/6

2:30 a.m.-12:20 a.m.

3 stops22h 50m

C$ 1,528

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Thu 30/4

6:00 a.m.-7:30 p.m.

1 stop36h 30m

Buenos Aires Ministro Pistarini

Thu 28/5

11:25 p.m.-6:00 p.m.

2 stops19h 35m

C$ 1,530

OttawaBuenos Aires

YOW - AEP

YOWAEP

Ottawa

Tue 22/9

2:35 p.m.-5:20 p.m.

2 stops25h 45m

Buenos Aires Jorge Newbery

Thu 24/9

1:40 p.m.-8:50 p.m.

2 stops32h 10m

C$ 1,581

Flights are sorted by cheapest round-trip flights 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 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$ 1,088.

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 20m

Direct flights

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

  • 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
9,604 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