How long is the flight from Ottawa to Buenos Aires?

Airlines like United Airlines and Air Canada fly from Ottawa to Buenos Aires in about 25h 20m. The time it takes to get you to your destination can typically vary by up to 4h 50m. The distance from Ottawa to Buenos Aires is about 9070 km. This flight may include one or multiple stops.

What is the cheapest airline to fly from Ottawa to Buenos Aires round-trip?

Cheapflights users have booked flights from Ottawa to Buenos Aires round-trip from C$ 1,076. United Airlines is currently priced 20% below the average price you’ll pay for this route.

In terms of precipitation, rainfall in Buenos Aires ranges from 50.0 - 100.0 mm per month. January is typically the wettest month, when rainfall can reach 100.0 mm. June is typically the driest time to visit Buenos Aires when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Buenos Aires, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 25.0 C. Travellers hoping to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 11.0 C).

What is the cheapest time of day to fly from YOW to BUE?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ottawa to Buenos Aires as you normally would.

What airport do you fly from for flights from Ottawa to Buenos Aires?

Most people fly from Ottawa (YOW) if they book a flight from Ottawa to Buenos Aires. On average, Ottawa has 0 outbound flights to Buenos Aires per day from 1 airline. Ottawa is conveniently located just 10.6 km from Ottawa’s city centre.

Can I find deals for flights from Ottawa to Buenos Aires that include hotel bookings?

Yes. In addition to deals on Ottawa to Buenos Aires flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Ottawa to Buenos Aires?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to Buenos Aires.

Can I find deals for business class flights from Ottawa to Buenos Aires?

Yes. Cheapflights offers flight deals from Ottawa to Buenos Aires by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 669+ Cheap Flights from Ottawa to Buenos Aires

Cheap flight deals from Ottawa to Buenos Aires

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Ottawa to Buenos Aires
Explore the most affordable flight options available from Ottawa to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 September 2026.

Thu 24/910:00 a.m. -

2 stops21h 00m

Thu 8/109:00 p.m. -

2 stops37h 56m

Deal found 19/9C$ 1,041

Sat 26/97:30 p.m. -

2 stops35h 30m

Tue 6/109:00 p.m. -

2 stops26h 35m

Deal found 19/9C$ 1,051

Tue 24/116:00 a.m. -

2 stops25h 20m

Fri 11/1210:05 p.m. -

2 stops25h 51m

Deal found 17/9C$ 1,065

Sat 26/97:30 p.m. -

2 stops35h 30m

Mon 5/109:00 p.m. -

2 stops18h 17m

Deal found 19/9C$ 1,071

Thu 24/910:00 a.m. -

2 stops21h 00m

Wed 7/109:00 p.m. -

2 stops26h 35m

Deal found 19/9C$ 1,108

Sat 26/97:30 p.m. -

2 stops35h 30m

Wed 7/109:00 p.m. -

2 stops27h 54m

Deal found 19/9C$ 1,120

Thu 17/97:30 p.m. -

2 stops35h 30m

Thu 24/99:00 p.m. -

2 stops27h 54m

Deal found 16/9C$ 1,164

Tue 13/107:30 p.m. -

2 stops35h 30m

Tue 20/109:00 p.m. -

2 stops37h 11m

Deal found 15/9C$ 1,167

Sat 7/117:35 p.m. -

2 stops19h 45m

Mon 23/1111:55 a.m. -

2 stops28h 17m

Deal found 14/9C$ 1,502

Mon 30/119:10 a.m. -

2 stops30h 10m

Thu 3/121:35 p.m. -

2 stops34h 15m

Deal found 14/9C$ 1,521

Tue 24/117:35 p.m. -

2 stops19h 45m

Fri 11/121:35 p.m. -

2 stops25h 35m

Deal found 14/9C$ 1,530

Sun 1/115:45 a.m. -

3 stops31h 15m

Sun 8/114:30 p.m. -

3 stops29h 22m

Deal found 16/9C$ 1,676

Best flights from Ottawa to Buenos Aires
Discover carefully curated flight deals from Ottawa to Buenos Aires that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 19 September 2026.

Tue 24/116:00 a.m. -

2 stops25h 20m

Fri 11/1210:05 p.m. -

2 stops25h 51m

Deal found 14/9C$ 1,160

Sat 7/117:35 p.m. -

2 stops19h 45m

Mon 23/1111:55 a.m. -

2 stops28h 17m

Deal found 14/9C$ 1,502

Tue 24/117:35 p.m. -

2 stops19h 45m

Fri 11/121:35 p.m. -

2 stops25h 35m

Deal found 14/9C$ 1,530

Tue 13/107:30 p.m. -

2 stops35h 30m

Tue 20/109:00 p.m. -

2 stops37h 11m

Deal found 15/9C$ 1,167

Fri 5/22:48 p.m. -

2 stops38h 32m

Wed 17/210:05 p.m. -

2 stops23h 27m

Deal found 19/9C$ 1,181

Tue 29/96:05 a.m. -

2 stops24h 55m

Mon 5/109:00 p.m. -

2 stops18h 17m

Deal found 19/9C$ 1,215

Mon 30/119:10 a.m. -

2 stops30h 10m

Thu 3/121:35 p.m. -

2 stops34h 15m

Deal found 15/9C$ 1,609

Mon 12/106:00 a.m. -

2 stops49h 00m

Sun 13/1211:55 p.m. -

2 stops39h 16m

Deal found 16/9C$ 1,275

Mon 12/1010:05 p.m. -

3 stops30h 35m

Sun 13/124:30 p.m. -

3 stops31h 22m

Deal found 16/9C$ 1,723

Mon 30/112:00 p.m. -

2 stops39h 20m

Thu 3/1210:05 p.m. -

2 stops23h 22m

Deal found 17/9C$ 1,276

Thu 5/1110:50 a.m. -

2 stops24h 50m

Sun 29/1111:55 a.m. -

2 stops23h 20m

Deal found 14/9C$ 1,849

Thu 11/210:50 a.m. -

2 stops28h 30m

Tue 23/31:45 p.m. -

2 stops24h 20m

Deal found 17/9C$ 1,874

Sun 1/115:45 a.m. -

3 stops26h 03m

Sun 8/112:00 p.m. -

2 stops20h 20m

Deal found 16/9C$ 1,917

Thu 11/26:10 p.m. -

3 stops25h 20m

Sun 21/33:30 a.m. -

2 stops21h 29m

Deal found 14/9C$ 1,934

Sun 18/106:55 a.m. -

3 stops24h 35m

Sun 25/105:30 a.m. -

3 stops29h 17m

Deal found 18/9C$ 1,987

Tue 13/106:00 p.m. -

2 stops18h 20m

Tue 20/1011:55 a.m. -

2 stops24h 10m

Deal found 15/9C$ 1,994

Find flight deals from Ottawa to Buenos Aires

Round-trip from	C$ 991
One-way from	C$ 669
Popular in	December
Cheapest in	October
Average price	C$ 1,346

United Airlines
10/1-11/3
4 total stops
62h 33m total
Ottawa to Buenos Aires

Search Deals

Air Canada
18/10-31/12
2 total stops
30h 30m total
Ottawa to Buenos Aires

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (C$ 223 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (C$ 77 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

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 Ottawa - EZE Buenos Aires Ministro Pistarini

YOWEZE

Ottawa

Sun 18/10

7:00 a.m.-2:30 p.m.

2 stops30h 30m

Buenos Aires Ministro Pistarini

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 669

OttawaBuenos Aires

YOW Ottawa - AEP Buenos Aires Jorge Newbery

YOWAEP

Ottawa

Mon 2/11

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

3 stops46h 30m

Buenos Aires Jorge Newbery

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 679

OttawaBuenos Aires

YOW Ottawa - AEP Buenos Aires Jorge Newbery

YOWAEP

Ottawa

Sun 1/11

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

3 stops46h 30m

Buenos Aires Jorge Newbery

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 732

OttawaBuenos Aires

YOW Ottawa - EZE Buenos Aires Ministro Pistarini

YOWEZE

Ottawa

Mon 2/11

7:05 a.m.-9:57 p.m.

2 stops36h 52m

Buenos Aires Ministro Pistarini

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 789

OttawaBuenos Aires

YOW Ottawa - EZE Buenos Aires Ministro Pistarini

YOWEZE

Ottawa

Sun 1/11

5:30 a.m.-12:07 a.m.

3 stops40h 37m

Buenos Aires Ministro Pistarini

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 852

OttawaBuenos Aires

YOW Ottawa - EZE Buenos Aires Ministro Pistarini

YOWEZE

Ottawa

Sun 18/10

4:00 p.m.-12:05 a.m.

3 stops31h 05m

Buenos Aires Ministro Pistarini

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 866

OttawaBuenos Aires

YOW Ottawa - AEP Buenos Aires Jorge Newbery

YOWAEP

Ottawa

Sun 18/10

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

3 stops48h 30m

Buenos Aires Jorge Newbery

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 911

OttawaBuenos Aires

YOW Ottawa - EZE Buenos Aires Ministro Pistarini

YOWEZE

Ottawa

Tue 24/11

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

2 stops25h 20m

Buenos Aires Ministro Pistarini

Fri 11/12

10:05 p.m.-9:56 p.m.

2 stops25h 51m

C$ 1,160

OttawaBuenos Aires

YOW Ottawa - EZE Buenos Aires Ministro Pistarini

YOWEZE

Ottawa

Tue 13/10

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

2 stops35h 30m

Buenos Aires Ministro Pistarini

Tue 20/10

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

2 stops37h 11m

C$ 1,167

OttawaBuenos Aires

YOW Ottawa - EZE Buenos Aires Ministro Pistarini

YOWEZE

Ottawa

Fri 5/2

2:48 p.m.-7:20 a.m.

2 stops38h 32m

Buenos Aires Ministro Pistarini

Wed 17/2

10:05 p.m.-7:32 p.m.

2 stops23h 27m

C$ 1,181

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/9

Showing 1-10 of 31 resultsSorted by cheapest first

Best time to book a flight from Ottawa to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Ottawa with our price prediction graph.

YOW-BUE

YOW-EZE

YOW-AEP

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ottawa to Buenos Aires

YOW-BUE

YOW-EZE

YOW-AEP

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Buenos Aires

Read reviews from past customers who have flown United Airlines and Air Canada from Ottawa to Buenos Aires. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

10,229 reviews

Check prices

Reviews

1 / 20

6.0

Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

United Airlines

7.4

Good

10,229 reviews

United Airlines

7.4

Good

10,229 reviews

Check prices

Reviews

1 / 20

6.0

Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

Air Canada

7.1

Good

11,654 reviews

United Airlines

7.4

Good

10,229 reviews

Check prices

Reviews

1 / 20

6.0

Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

Related info for your journey

What airport do you fly from for flights from Ottawa to Buenos Aires?
Most people fly from Ottawa (YOW) if they book a flight from Ottawa to Buenos Aires. On average, Ottawa has 0 outbound flights to Buenos Aires per day from 1 airline. Ottawa is conveniently located just 10.6 km from Ottawa’s city centre.
How long is the flight from Ottawa to Buenos Aires?
Airlines like United Airlines and Air Canada fly from Ottawa to Buenos Aires in about 25h 20m. The time it takes to get you to your destination can typically vary by up to 4h 50m. The distance from Ottawa to Buenos Aires is about 9070 km. This flight may include one or multiple stops.
What is the cheapest airline to fly from Ottawa to Buenos Aires round-trip?
Cheapflights users have booked flights from Ottawa to Buenos Aires round-trip from C$ 1,076. United Airlines is currently priced 20% below the average price you’ll pay for this route.
Can I find deals for flights from Ottawa to Buenos Aires that include hotel bookings?
Yes. In addition to deals on Ottawa to Buenos Aires flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ottawa to Buenos Aires?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to Buenos Aires.
Can I find deals for business class flights from Ottawa to Buenos Aires?
Yes. Cheapflights offers flight deals from Ottawa to Buenos Aires by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Buenos Aires flight routes

Complete your trip

Direct flights to Argentina

Flights by cabin class

Other flight options

Other flights from Ottawa

Popular flights

Alternative routes for Ottawa to Buenos Aires

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Top airline flying from Ottawa to Buenos Aires

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	CheapestC$ 1,076	AverageC$ 1,279	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

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Cheapflights helps you search for flights from Ottawa to Buenos Aires via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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Cheap flights from Ottawa to Buenos Aires from C$ 669

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ottawa to Buenos Aires

Cheapest flights from Ottawa to Buenos AiresExplore the most affordable flight options available from Ottawa to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 September 2026.

Explore the most affordable flight options available from Ottawa to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 September 2026.

Best flights from Ottawa to Buenos AiresDiscover carefully curated flight deals from Ottawa to Buenos Aires that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 19 September 2026.

Discover carefully curated flight deals from Ottawa to Buenos Aires that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 19 September 2026.

Last-minute flights from Ottawa to Buenos AiresDiscover last-minute flight deals from Ottawa to Buenos Aires. Data last updated 19 September 2026 and is based on user searches.

Discover last-minute flight deals from Ottawa to Buenos Aires. Data last updated 19 September 2026 and is based on user searches.

One-way flights from Ottawa to Buenos AiresSearch for one-way flight options from Ottawa to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated 19 September 2026.

Search for one-way flight options from Ottawa to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated 19 September 2026.

Find flight deals from Ottawa to Buenos Aires

Round-trip from

One-way from

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Cheapest in

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Use the filters below to find and compare flights from Ottawa to Buenos Aires that are best for you.

Best time to book a flight from Ottawa to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Ottawa with our price prediction graph.

Cheapflights Insights

Reviews of airlines servicing Buenos Aires

Read reviews from past customers who have flown United Airlines and Air Canada from Ottawa to Buenos Aires. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly from for flights from Ottawa to Buenos Aires?

How long is the flight from Ottawa to Buenos Aires?

What is the cheapest airline to fly from Ottawa to Buenos Aires round-trip?

Can I find deals for flights from Ottawa to Buenos Aires that include hotel bookings?

How can I find direct flights from Ottawa to Buenos Aires?

Can I find deals for business class flights from Ottawa to Buenos Aires?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ottawa to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.

Other flights to Buenos Aires

Explore flights to Buenos Aires departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 19 September 2026.

Complete your trip

Complete your trip to Buenos Aires by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to Argentina

Book a non-stop flight to one of these other cities located in Argentina.

Search flights from Ottawa to Buenos Aires by cabin class

Find flights from Ottawa to Buenos Aires, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Ottawa and Buenos Aires flights

Browse other Ottawa and Buenos Aires flight options. Last updated on 19 September 2026.

Other flights from Ottawa

Browse through other flights departing from Ottawa. Flights are based on user searches made on Cheapflights and were last updated on 19 September 2026.

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Top airline flying from Ottawa to Buenos Aires

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How does Cheapflights help users find flights from Ottawa to Buenos Aires?

Why should you use Cheapflights to find cheap flight tickets from Ottawa to Buenos Aires?

Can Cheapflights find flights from Ottawa to Buenos Aires with no change fees?

Can Cheapflights notify me if prices for flights from Ottawa to Buenos Aires become cheaper?

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Cheapest flights from Ottawa to Buenos Aires
Explore the most affordable flight options available from Ottawa to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 September 2026.

Best flights from Ottawa to Buenos Aires
Discover carefully curated flight deals from Ottawa to Buenos Aires that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 19 September 2026.

Last-minute flights from Ottawa to Buenos Aires
Discover last-minute flight deals from Ottawa to Buenos Aires. Data last updated 19 September 2026 and is based on user searches.

One-way flights from Ottawa to Buenos Aires
Search for one-way flight options from Ottawa to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated 19 September 2026.