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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
6:00 a.m. - 2:30 p.m.
YOW
-
EZE
31h 30m
2 stops
Air Canada Logo
4:35 p.m. - 9:41 a.m.
EZE
-
YOW
18h 06m
2 stops
C$ 1,158Air Canada
Wed, 3 Jun - Sat, 13 Jun
Air Canada Logo
10:05 p.m. - 2:30 p.m.
YOW
-
EZE
39h 25m
2 stops
Air Canada Logo
4:35 p.m. - 9:41 a.m.
EZE
-
YOW
18h 06m
2 stops
C$ 1,165Air Canada
Thu, 4 Jun - Sat, 6 Jun
Air Canada Logo
11:15 a.m. - 2:30 p.m.
YOW
-
EZE
26h 15m
2 stops
Air Canada Logo
4:35 p.m. - 10:11 p.m.
EZE
-
YOW
30h 36m
3 stops
C$ 1,169Air Canada
Wed, 3 Jun - Mon, 15 Jun
Air Canada Logo
10:05 p.m. - 2:30 p.m.
YOW
-
EZE
39h 25m
2 stops
Air Canada Logo
4:35 p.m. - 11:05 a.m.
EZE
-
YOW
19h 30m
2 stops
C$ 1,171Air Canada
Thu, 4 Jun - Mon, 8 Jun
Air Canada Logo
9:45 p.m. - 2:30 p.m.
YOW
-
EZE
39h 45m
3 stops
Air Canada Logo
4:35 p.m. - 12:46 a.m.
EZE
-
YOW
33h 11m
2 stops
C$ 1,175Air Canada
Thu, 4 Jun - Mon, 15 Jun
Air Canada Logo
2:40 p.m. - 2:30 p.m.
YOW
-
EZE
46h 50m
3 stops
Air Canada Logo
4:35 p.m. - 10:11 p.m.
EZE
-
YOW
30h 36m
3 stops
C$ 1,181Air Canada
Thu, 4 Jun - Mon, 15 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$ 1,185United Airlines
Wed, 1 Jul - Mon, 13 Jul
United Airlines Logo
7:30 p.m. - 8:00 a.m.
YOW
-
EZE
35h 30m
2 stops
United Airlines Logo
9:00 p.m. - 9:11 a.m.
EZE
-
YOW
37h 11m
2 stops
C$ 1,197United Airlines
Sat, 11 Jul - Tue, 21 Jul
United Airlines Logo
6:05 a.m. - 8:00 a.m.
YOW
-
EZE
24h 55m
2 stops
United Airlines Logo
9:00 p.m. - 4:38 p.m.
EZE
-
YOW
20h 38m
2 stops
C$ 1,204United Airlines
Wed, 1 Jul - Sun, 12 Jul
Multiple Airlines Logo
6:00 p.m. - 5:20 p.m.
YOW
-
AEP
22h 20m
2 stops
Multiple Airlines Logo
8:20 a.m. - 11:15 a.m.
AEP
-
YOW
27h 55m
2 stops
C$ 1,502Multiple Airlines
Tue, 21 Jul - Sun, 9 Aug

Air Canada flights from Ottawa to Buenos Aires

Our best Air Canada deals on Ottawa to Buenos Aires flight tickets
Air Canada
3 Jun
YOW6:00 a.m.Ottawa
31h 30m
2 stops
EZE2:30 p.m.Buenos Aires Ministro Pistarini
13 Jun
EZE4:35 p.m.Buenos Aires Ministro Pistarini
18h 06m
2 stops
YOW9:41 a.m.Ottawa
C$ 1,158
Air Canada
4 Jun
YOW10:05 p.m.Ottawa
39h 25m
2 stops
EZE2:30 p.m.Buenos Aires Ministro Pistarini
6 Jun
EZE4:35 p.m.Buenos Aires Ministro Pistarini
18h 06m
2 stops
YOW9:41 a.m.Ottawa
C$ 1,165
Air Canada
3 Jun
YOW11:15 a.m.Ottawa
26h 15m
2 stops
EZE2:30 p.m.Buenos Aires Ministro Pistarini
15 Jun
EZE4:35 p.m.Buenos Aires Ministro Pistarini
30h 36m
3 stops
YOW10:11 p.m.Ottawa
C$ 1,169

United Airlines flights from Ottawa to Buenos Aires

Our best United Airlines deals on Ottawa to Buenos Aires flight tickets
United Airlines
1 Jul
YOW6:05 a.m.Ottawa
24h 55m
2 stops
EZE8:00 a.m.Buenos Aires Ministro Pistarini
16 Jul
EZE9:00 p.m.Buenos Aires Ministro Pistarini
42h 17m
2 stops
YOW2:17 p.m.Ottawa
C$ 1,185
United Airlines
1 Jul
YOW6:05 a.m.Ottawa
24h 55m
2 stops
EZE8:00 a.m.Buenos Aires Ministro Pistarini
12 Jul
EZE9:00 p.m.Buenos Aires Ministro Pistarini
20h 38m
2 stops
YOW4:38 p.m.Ottawa
C$ 1,204
United Airlines
12 May
YOW10:00 a.m.Ottawa
21h 00m
2 stops
EZE8:00 a.m.Buenos Aires Ministro Pistarini
19 May
EZE9:00 p.m.Buenos Aires Ministro Pistarini
18h 22m
2 stops
YOW2:22 p.m.Ottawa
C$ 1,218

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 4 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

Wed 3/6

6:00 a.m.-2:30 p.m.

2 stops31h 30m

Buenos Aires Ministro Pistarini

Sat 13/6

4:35 p.m.-9:41 a.m.

2 stops18h 06m

C$ 1,158

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Thu 4/6

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

2 stops39h 25m

Buenos Aires Ministro Pistarini

Sat 6/6

4:35 p.m.-9:41 a.m.

2 stops18h 06m

C$ 1,165

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Wed 3/6

11:15 a.m.-2:30 p.m.

2 stops26h 15m

Buenos Aires Ministro Pistarini

Mon 15/6

4:35 p.m.-10:11 p.m.

3 stops30h 36m

C$ 1,169

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Thu 4/6

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

2 stops39h 25m

Buenos Aires Ministro Pistarini

Mon 8/6

4:35 p.m.-11:05 a.m.

2 stops19h 30m

C$ 1,171

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Thu 4/6

9:45 p.m.-2:30 p.m.

3 stops39h 45m

Buenos Aires Ministro Pistarini

Mon 15/6

4:35 p.m.-12:46 a.m.

2 stops33h 11m

C$ 1,175

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Thu 4/6

2:40 p.m.-2:30 p.m.

3 stops46h 50m

Buenos Aires Ministro Pistarini

Mon 15/6

4:35 p.m.-10:11 p.m.

3 stops30h 36m

C$ 1,181

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Wed 1/7

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

2 stops24h 55m

Buenos Aires Ministro Pistarini

Mon 13/7

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

2 stops37h 11m

C$ 1,185

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Sat 11/7

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

2 stops35h 30m

Buenos Aires Ministro Pistarini

Tue 21/7

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

2 stops37h 11m

C$ 1,197
Quickest round-trip

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Wed 1/7

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

2 stops24h 55m

Buenos Aires Ministro Pistarini

Sun 12/7

9:00 p.m.-4:38 p.m.

2 stops20h 38m

C$ 1,204

OttawaBuenos Aires

YOW - AEP

YOWAEP

Ottawa

Tue 21/7

6:00 p.m.-5:20 p.m.

2 stops22h 20m

Buenos Aires Jorge Newbery

Sun 9/8

8:20 a.m.-11:15 a.m.

2 stops27h 55m

C$ 1,502

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 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 December. Flight prices, which tend to average around C$ 582, are often lower during this time because this is during the off-season. If you’re not able to fly to Buenos Aires in December, then September is your next best option. Flight prices from Ottawa to Buenos Aires during September average around C$ 973.

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

18h 00m

Direct flights

None
The fastest flight from Ottawa to Buenos Aires takes 18h 00m
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 18h 00m.

  • 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$ 582Free CancellationRating
7.4
9,680 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