Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Ottawa to Buenos Aires from C$ 545

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 21/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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
6:00 a.m. - 8:00 a.m.
YOW
-
EZE
25h 00m
2 stops
United Airlines Logo
9:00 p.m. - 10:05 p.m.
EZE
-
YOW
26h 05m
2 stops
C$ 1,068United Airlines
Sat, 27 Jun - Fri, 3 Jul
United Airlines Logo
6:00 a.m. - 8:00 a.m.
YOW
-
EZE
25h 00m
2 stops
United Airlines Logo
9:00 p.m. - 4:38 p.m.
EZE
-
YOW
20h 38m
2 stops
C$ 1,125United Airlines
Sat, 27 Jun - Fri, 3 Jul
United Airlines Logo
6:00 a.m. - 8:00 a.m.
YOW
-
EZE
49h 00m
2 stops
United Airlines Logo
9:00 p.m. - 6:48 p.m.
EZE
-
YOW
46h 48m
2 stops
C$ 1,134United Airlines
Sun, 5 Jul - Tue, 21 Jul
Air Canada Logo
10:10 a.m. - 6:45 p.m.
YOW
-
EZE
30h 35m
2 stops
Air Canada Logo
4:45 p.m. - 11:27 a.m.
EZE
-
YOW
20h 42m
2 stops
C$ 1,224Air Canada
Thu, 19 Nov - Sat, 5 Dec
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$ 1,234United Airlines
Fri, 9 Oct - Fri, 23 Oct
Air Canada Logo
6:25 p.m. - 2:30 p.m.
YOW
-
EZE
19h 05m
2 stops
Air Canada Logo
4:35 p.m. - 9:15 a.m.
EZE
-
YOW
17h 40m
1 stop
C$ 1,250Air Canada
Tue, 22 Sep - Wed, 7 Oct
Air Canada Logo
10:50 a.m. - 3:10 p.m.
YOW
-
EZE
26h 20m
2 stops
Air Canada Logo
4:45 p.m. - 9:18 a.m.
EZE
-
YOW
18h 33m
1 stop
C$ 1,275Air Canada
Thu, 19 Nov - Sat, 5 Dec
Azul Logo
10:50 a.m. - 3:10 p.m.
YOW
-
EZE
26h 20m
2 stops
Azul Logo
4:45 p.m. - 9:18 a.m.
EZE
-
YOW
18h 33m
1 stop
C$ 1,307Azul
Thu, 19 Nov - Sat, 5 Dec
Multiple Airlines Logo
10:15 p.m. - 2:30 p.m.
YOW
-
EZE
39h 15m
2 stops
Multiple Airlines Logo
6:15 a.m. - 12:54 p.m.
EZE
-
YOW
31h 39m
3 stops
C$ 1,443Multiple Airlines
Sat, 27 Jun - Fri, 3 Jul
Multiple Airlines Logo
8:10 p.m. - 5:40 p.m.
YOW
-
AEP
19h 30m
2 stops
Multiple Airlines Logo
4:30 p.m. - 1:38 a.m.
AEP
-
YOW
35h 08m
2 stops
C$ 1,453Multiple Airlines
Fri, 6 Nov - Sat, 28 Nov

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

United Airlines flights from Ottawa to Buenos Aires

Our best United Airlines deals on Ottawa to Buenos Aires flight tickets
United Airlines
16 Jun
YOW6:05 a.m.Ottawa
24h 55m
2 stops
EZE8:00 a.m.Buenos Aires Ministro Pistarini
18 Jun
EZE9:00 p.m.Buenos Aires Ministro Pistarini
38h 03m
2 stops
YOW10:03 a.m.Ottawa
C$ 1,001
United Airlines
16 Jun
YOW6:00 a.m.Ottawa
25h 00m
2 stops
EZE8:00 a.m.Buenos Aires Ministro Pistarini
18 Jun
EZE9:00 p.m.Buenos Aires Ministro Pistarini
37h 11m
2 stops
YOW9:11 a.m.Ottawa
C$ 1,056
United Airlines
16 Jun
YOW6:00 a.m.Ottawa
25h 00m
2 stops
EZE8:00 a.m.Buenos Aires Ministro Pistarini
18 Jun
EZE9:00 p.m.Buenos Aires Ministro Pistarini
38h 03m
2 stops
YOW10:03 a.m.Ottawa
C$ 1,057

Air Canada flights from Ottawa to Buenos Aires

Our best Air Canada deals on Ottawa to Buenos Aires flight tickets
Air Canada
19 Nov
YOW10:10 a.m.Ottawa
30h 35m
2 stops
EZE6:45 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$ 1,224
Air Canada
16 Jun
YOW9:45 p.m.Ottawa
39h 45m
3 stops
EZE2:30 p.m.Buenos Aires Ministro Pistarini
18 Jun
EZE4:35 p.m.Buenos Aires Ministro Pistarini
19h 55m
2 stops
YOW11:30 a.m.Ottawa
C$ 1,229
Air Canada
16 Jun
YOW9:45 p.m.Ottawa
39h 45m
3 stops
EZE2:30 p.m.Buenos Aires Ministro Pistarini
18 Jun
EZE4:35 p.m.Buenos Aires Ministro Pistarini
29h 51m
2 stops
YOW9:26 p.m.Ottawa
C$ 1,231

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 9 June 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

Sat 27/6

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

2 stops25h 00m

Buenos Aires Ministro Pistarini

Fri 3/7

9:00 p.m.-10:05 p.m.

2 stops26h 05m

C$ 1,068

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Sat 27/6

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

2 stops25h 00m

Buenos Aires Ministro Pistarini

Fri 3/7

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

2 stops20h 38m

C$ 1,125

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Sun 5/7

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

2 stops49h 00m

Buenos Aires Ministro Pistarini

Tue 21/7

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

2 stops46h 48m

C$ 1,134

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Thu 19/11

10:10 a.m.-6:45 p.m.

2 stops30h 35m

Buenos Aires Ministro Pistarini

Sat 5/12

4:45 p.m.-11:27 a.m.

2 stops20h 42m

C$ 1,224

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Fri 9/10

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

2 stops25h 00m

Buenos Aires Ministro Pistarini

Fri 23/10

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

2 stops37h 11m

C$ 1,234
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

Wed 7/10

4:35 p.m.-9:15 a.m.

1 stop17h 40m

C$ 1,250

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Thu 19/11

10:50 a.m.-3:10 p.m.

2 stops26h 20m

Buenos Aires Ministro Pistarini

Sat 5/12

4:45 p.m.-9:18 a.m.

1 stop18h 33m

C$ 1,275

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Thu 19/11

10:50 a.m.-3:10 p.m.

2 stops26h 20m

Buenos Aires Ministro Pistarini

Sat 5/12

4:45 p.m.-9:18 a.m.

1 stop18h 33m

C$ 1,307

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Sat 27/6

10:15 p.m.-2:30 p.m.

2 stops39h 15m

Buenos Aires Ministro Pistarini

Fri 3/7

6:15 a.m.-12:54 p.m.

3 stops31h 39m

C$ 1,443

OttawaBuenos Aires

YOW - AEP

YOWAEP

Ottawa

Fri 6/11

8:10 p.m.-5:40 p.m.

2 stops19h 30m

Buenos Aires Jorge Newbery

Sat 28/11

4:30 p.m.-1:38 a.m.

2 stops35h 08m

C$ 1,453

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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$ 1,070, 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$ 1,074.

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

17h 57m

Direct flights

None
The fastest flight from Ottawa to Buenos Aires takes 17h 57m
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 17h 57m.

  • 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$ 609Free CancellationRating
7.4
9,796 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 9/7
Thu 16/7
By creating a price alert you accept our terms of use and privacy policy.

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