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Cheap flights from Ottawa to Buenos Aires from C$ 519

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 26/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
2:00 p.m. - 9:20 a.m.
YOW
-
EZE
41h 20m
3 stops
United Airlines Logo
10:05 p.m. - 9:11 a.m.
EZE
-
YOW
37h 06m
2 stops
C$ 1,018United Airlines
Wed, 25 Nov - Wed, 16 Dec
United Airlines Logo
2:52 p.m. - 8:00 a.m.
YOW
-
EZE
40h 08m
2 stops
United Airlines Logo
9:00 p.m. - 10:35 p.m.
EZE
-
YOW
26h 35m
2 stops
C$ 1,019United Airlines
Thu, 13 Aug - Tue, 18 Aug
United Airlines Logo
6:00 a.m. - 8:00 a.m.
YOW
-
EZE
25h 00m
2 stops
United Airlines Logo
9:00 p.m. - 9:11 a.m.
EZE
-
YOW
37h 11m
2 stops
C$ 1,020United Airlines
Mon, 14 Sep - Mon, 28 Sep
United Airlines Logo
6:00 a.m. - 9:20 a.m.
YOW
-
EZE
25h 20m
2 stops
United Airlines Logo
11:55 p.m. - 9:56 p.m.
EZE
-
YOW
24h 01m
2 stops
C$ 1,037United Airlines
Wed, 2 Dec - Mon, 14 Dec
United Airlines Logo
6:00 a.m. - 7:20 a.m.
YOW
-
EZE
23h 20m
2 stops
United Airlines Logo
10:05 p.m. - 11:42 p.m.
EZE
-
YOW
27h 37m
2 stops
C$ 1,039United Airlines
Wed, 2 Dec - Mon, 14 Dec
United Airlines Logo
2:00 p.m. - 7:20 a.m.
YOW
-
EZE
39h 20m
2 stops
United Airlines Logo
11:55 p.m. - 9:56 p.m.
EZE
-
YOW
24h 01m
2 stops
C$ 1,050United Airlines
Wed, 25 Nov - Mon, 7 Dec
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$ 1,053United Airlines
Wed, 2 Sep - Wed, 16 Sep
United Airlines Logo
9:45 a.m. - 7:20 a.m.
YOW
-
EZE
43h 35m
2 stops
United Airlines Logo
11:55 p.m. - 9:11 a.m.
EZE
-
YOW
35h 16m
2 stops
C$ 1,098United Airlines
Sun, 29 Nov - Sat, 12 Dec
Multiple Airlines Logo
8:30 p.m. - 5:40 p.m.
YOW
-
AEP
19h 10m
2 stops
Multiple Airlines Logo
1:45 p.m. - 9:15 a.m.
AEP
-
YOW
21h 30m
2 stops
C$ 1,203Multiple Airlines
Sun, 29 Nov - Tue, 22 Dec
Multiple Airlines Logo
6:00 p.m. - 1:20 p.m.
YOW
-
AEP
18h 20m
2 stops
Multiple Airlines Logo
1:45 p.m. - 11:30 a.m.
AEP
-
YOW
22h 45m
2 stops
C$ 1,214Multiple Airlines
Wed, 2 Sep - Wed, 16 Sep

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Air Canada flights from Ottawa to Buenos Aires

Our best Air Canada deals on Ottawa to Buenos Aires flight tickets
Air Canada
23 Nov
YOW7:50 p.m.Ottawa
41h 15m
3 stops
EZE3:05 p.m.Buenos Aires Ministro Pistarini
5 Dec
EZE4:45 p.m.Buenos Aires Ministro Pistarini
20h 52m
2 stops
YOW11:37 a.m.Ottawa
C$ 1,212
Air Canada
23 Nov
YOW7:50 p.m.Ottawa
41h 15m
3 stops
EZE3:05 p.m.Buenos Aires Ministro Pistarini
5 Dec
EZE4:45 p.m.Buenos Aires Ministro Pistarini
19h 02m
2 stops
YOW9:47 a.m.Ottawa
C$ 1,213
Air Canada
2 Dec
YOW7:50 p.m.Ottawa
41h 15m
3 stops
EZE3:05 p.m.Buenos Aires Ministro Pistarini
14 Dec
EZE4:45 p.m.Buenos Aires Ministro Pistarini
23h 27m
2 stops
YOW2:12 p.m.Ottawa
C$ 1,214

United Airlines flights from Ottawa to Buenos Aires

Our best United Airlines deals on Ottawa to Buenos Aires flight tickets
United Airlines
25 Nov
YOW2:00 p.m.Ottawa
41h 20m
3 stops
EZE9:20 a.m.Buenos Aires Ministro Pistarini
16 Dec
EZE10:05 p.m.Buenos Aires Ministro Pistarini
37h 06m
2 stops
YOW9:11 a.m.Ottawa
C$ 1,018
United Airlines
13 Aug
YOW2:52 p.m.Ottawa
40h 08m
2 stops
EZE8:00 a.m.Buenos Aires Ministro Pistarini
18 Aug
EZE9:00 p.m.Buenos Aires Ministro Pistarini
26h 35m
2 stops
YOW10:35 p.m.Ottawa
C$ 1,019
United Airlines
14 Sep
YOW6:00 a.m.Ottawa
25h 00m
2 stops
EZE8:00 a.m.Buenos Aires Ministro Pistarini
28 Sep
EZE9:00 p.m.Buenos Aires Ministro Pistarini
37h 11m
2 stops
YOW9:11 a.m.Ottawa
C$ 1,020

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 12 July 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 25/11

2:00 p.m.-9:20 a.m.

3 stops41h 20m

Buenos Aires Ministro Pistarini

Wed 16/12

10:05 p.m.-9:11 a.m.

2 stops37h 06m

C$ 1,018

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Thu 13/8

2:52 p.m.-8:00 a.m.

2 stops40h 08m

Buenos Aires Ministro Pistarini

Tue 18/8

9:00 p.m.-10:35 p.m.

2 stops26h 35m

C$ 1,019

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Mon 14/9

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

2 stops25h 00m

Buenos Aires Ministro Pistarini

Mon 28/9

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

2 stops37h 11m

C$ 1,020

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Wed 2/12

6:00 a.m.-9:20 a.m.

2 stops25h 20m

Buenos Aires Ministro Pistarini

Mon 14/12

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

2 stops24h 01m

C$ 1,037

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Wed 2/12

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

2 stops23h 20m

Buenos Aires Ministro Pistarini

Mon 14/12

10:05 p.m.-11:42 p.m.

2 stops27h 37m

C$ 1,039

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Wed 25/11

2:00 p.m.-7:20 a.m.

2 stops39h 20m

Buenos Aires Ministro Pistarini

Mon 7/12

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

2 stops24h 01m

C$ 1,050

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Wed 2/9

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

2 stops24h 55m

Buenos Aires Ministro Pistarini

Wed 16/9

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

2 stops37h 11m

C$ 1,053

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Sun 29/11

9:45 a.m.-7:20 a.m.

2 stops43h 35m

Buenos Aires Ministro Pistarini

Sat 12/12

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

2 stops35h 16m

C$ 1,098
Quickest round-trip

OttawaBuenos Aires

YOW - AEP

YOWAEP

Ottawa

Sun 29/11

8:30 p.m.-5:40 p.m.

2 stops19h 10m

Buenos Aires Jorge Newbery

Tue 22/12

1:45 p.m.-9:15 a.m.

2 stops21h 30m

C$ 1,203

OttawaBuenos Aires

YOW - AEP

YOWAEP

Ottawa

Wed 2/9

6:00 p.m.-1:20 p.m.

2 stops18h 20m

Buenos Aires Jorge Newbery

Wed 16/9

1:45 p.m.-11:30 a.m.

2 stops22h 45m

C$ 1,214

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 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$ 1,086, 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$ 1,090.

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 20m

Direct flights

None
The fastest flight from Ottawa to Buenos Aires takes 18h 20m
There are no direct flights from Ottawa to Buenos Aires. There are no popular flight routes from Ottawa to Buenos Aires.
Search flight deals

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 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$ 1,088Free CancellationRating
7.4
9,979 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