What are the cheapest airlines flying from Ottawa to Buenos Aires round-trip?

Cheapflights users have booked flights from Ottawa to Buenos Aires round-trip from C$ 1,050. Other airlines that can offer you cheap pricing are United Airlines, from C$ 1,483, and Delta, from C$ 1,895. Air Canada is currently priced 23% below the average price you’ll pay for this route.

What is the cheapest day to fly from Ottawa to Buenos Aires?

Travelers seeking maximum savings on their Ottawa to Buenos Aires flight should consider departing on Wednesday mornings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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

Flying to your destination on a Thursday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Buenos Aires. Check prices with Cheapflights to find a great deal for your trip.

What is the cheapest month to fly from Ottawa to Buenos Aires?

Our data shows that September tends to be the cheapest month to fly to Buenos Aires from Ottawa. Users have commonly found prices around C$ 1,376 for the month, but tickets can be as low as C$ 1,010. Due to multiple factors, prepare for potentially higher prices in December.

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 2 airlines. 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$ 511+ Flights from Ottawa to Buenos Aires

Cheap flight deals from Ottawa to Buenos Aires

Round-trip from	C$ 1,050
One-way from	C$ 511
Popular in	December
Cheapest in	September
Average price	C$ 1,626

Air Canada
29/8-6/9
4 total stops
34h 00m total
Ottawa to Buenos Aires

Search Deals

Air Canada
8/7
2 total stops
26h 25m total
Ottawa to Buenos Aires

Search Deals

Highest demand for flights based on searches. 7% potential increase in price (C$ 146 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 46 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in June 2025

Search Deals

Find flight deals from Ottawa to Buenos Aires

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 12 June 2025.

Fri 29/88:55 p.m.YOW - EZE

2 stops16h 35mAir Canada

Sat 6/94:35 p.m.EZE - YOW

2 stops17h 25mAir Canada

Deal found 9/6C$ 1,050

Sat 1/118:00 p.m.YOW - EZE

2 stops18h 25mMultiple Airlines

Sat 29/111:45 a.m.EZE - YOW

2 stops18h 32mMultiple Airlines

Deal found 10/6C$ 1,378

Fri 29/88:55 p.m.YOW - AEP

2 stops18h 35mMultiple Airlines

Sat 6/91:40 p.m.AEP - YOW

2 stops21h 45mMultiple Airlines

Deal found 9/6C$ 1,467

Sat 26/75:50 p.m.YOW - EZE

2 stops37h 10mUnited Airlines

Sat 2/89:00 p.m.EZE - YOW

2 stops37h 58mUnited Airlines

Deal found 11/6C$ 1,483

Sat 1/111:15 p.m.YOW - AEP

2 stops26h 55mAir Canada

Sun 30/111:35 p.m.AEP - YOW

2 stops21h 28mAir Canada

Deal found 12/6C$ 1,596

Sat 5/75:55 a.m.YOW - EZE

2 stops26h 50mDelta

Fri 18/78:10 p.m.EZE - YOW

2 stops29h 12mDelta

Deal found 11/6C$ 1,895

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 12 June 2025.

Fri 29/88:55 p.m.YOW - EZE

2 stops16h 35mAir Canada

Sat 6/94:35 p.m.EZE - YOW

2 stops17h 25mAir Canada

Deal found 9/6C$ 1,050

Fri 29/88:55 p.m.YOW - AEP

2 stops18h 35mMultiple Airlines

Sat 6/91:40 p.m.AEP - YOW

2 stops21h 45mMultiple Airlines

Deal found 9/6C$ 1,467

Sat 26/75:50 p.m.YOW - EZE

2 stops37h 10mUnited Airlines

Sat 2/89:00 p.m.EZE - YOW

2 stops37h 58mUnited Airlines

Deal found 11/6C$ 1,483

Sat 5/75:55 a.m.YOW - EZE

2 stops26h 50mDelta

Fri 18/78:10 p.m.EZE - YOW

2 stops29h 12mDelta

Deal found 11/6C$ 1,895

Tue 1/78:55 p.m.YOW - AEP

2 stops19h 25mAir Canada

Wed 20/81:40 p.m.AEP - YOW

2 stops25h 04mAir Canada

Deal found 10/6C$ 1,626

Fri 29/85:55 p.m.YOW - EZE

2 stops20h 25mMultiple Airlines

Fri 5/91:40 a.m.EZE - YOW

2 stops21h 24mMultiple Airlines

Deal found 9/6C$ 1,656

Last-minute flights from Ottawa to Buenos Aires
Discover last-minute flight deals from Ottawa to Buenos Aires. Data last updated 12 June 2025 and is based on user searches.

Tue 1/78:55 p.m.YOW - EZE

2 stops16h 35mAir Canada

Wed 20/84:35 p.m.EZE - YOW

2 stops22h 09mAir Canada

Deal found 12/6C$ 1,051

Tue 1/78:55 p.m.YOW - AEP

2 stops19h 25mAir Canada

Wed 20/81:40 p.m.AEP - YOW

2 stops25h 04mAir Canada

Deal found 10/6C$ 1,626

Sat 5/75:55 a.m.YOW - EZE

2 stops26h 50mDelta

Fri 18/78:10 p.m.EZE - YOW

2 stops29h 12mDelta

Deal found 11/6C$ 1,895

Sat 5/79:50 a.m.YOW - EZE

2 stops18h 55mMultiple Airlines

Thu 17/71:40 a.m.EZE - YOW

2 stops18h 12mMultiple Airlines

Deal found 11/6C$ 6,077

Sat 26/75:50 p.m.YOW - EZE

2 stops37h 10mUnited Airlines

Sat 2/89:00 p.m.EZE - YOW

2 stops37h 58mUnited Airlines

Deal found 11/6C$ 1,483

Sat 26/75:55 a.m.YOW - AEP

3 stops31h 05mMultiple Airlines

Fri 1/812:05 a.m.AEP - YOW

3 stops45h 56mMultiple Airlines

Deal found 11/6C$ 1,498

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 12 June 2025.

Tue 8/711:05 a.m.YOW - EZE

2 stops26h 25mAir Canada

Deal found 11/6C$ 511

Thu 10/72:45 p.m.YOW - EZE

2 stops40h 15mUnited Airlines

Deal found 11/6C$ 533

Sat 5/75:15 p.m.YOW - EZE

3 stops41h 10mMultiple Airlines

Deal found 11/6C$ 596

Sat 5/711:05 a.m.YOW - AEP

2 stops41h 35mMultiple Airlines

Deal found 11/6C$ 692

Wed 9/78:00 a.m.YOW - AEP

2 stops32h 20mAir Canada

Deal found 11/6C$ 793

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

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Fri 29/8

8:55 p.m.-2:30 p.m.

2 stops16h 35m

Buenos Aires Ministro Pistarini

Sat 6/9

4:35 p.m.-9:00 a.m.

2 stops17h 25m

C$ 1,050

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Sat 1/11

8:00 p.m.-3:25 p.m.

2 stops18h 25m

Buenos Aires Ministro Pistarini

Sat 29/11

1:45 a.m.-6:17 p.m.

2 stops18h 32m

C$ 1,378

OttawaBuenos Aires

YOW - AEP

YOWAEP

Ottawa

Fri 29/8

8:55 p.m.-4:30 p.m.

2 stops18h 35m

Buenos Aires Jorge Newbery

Sat 6/9

1:40 p.m.-10:25 a.m.

2 stops21h 45m

C$ 1,467

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Sat 26/7

5:50 p.m.-8:00 a.m.

2 stops37h 10m

Buenos Aires Ministro Pistarini

Sat 2/8

9:00 p.m.-9:58 a.m.

2 stops37h 58m

C$ 1,483

OttawaBuenos Aires

YOW - AEP

YOWAEP

Ottawa

Sat 1/11

1:15 p.m.-5:10 p.m.

2 stops26h 55m

Buenos Aires Jorge Newbery

Sun 30/11

1:35 p.m.-9:03 a.m.

2 stops21h 28m

C$ 1,596

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Sat 5/7

5:55 a.m.-9:45 a.m.

2 stops26h 50m

Buenos Aires Ministro Pistarini

Fri 18/7

8:10 p.m.-12:22 a.m.

2 stops29h 12m

C$ 1,895

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Tue 8/7

11:05 a.m.-2:30 p.m.

2 stops26h 25m

C$ 511

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Thu 10/7

2:45 p.m.-8:00 a.m.

2 stops40h 15m

C$ 533

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Sat 5/7

5:15 p.m.-11:25 a.m.

3 stops41h 10m

C$ 596

OttawaBuenos Aires

YOW - AEP

YOWAEP

Ottawa

Sat 5/7

11:05 a.m.-5:40 a.m.

2 stops41h 35m

C$ 692

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 11 results

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.

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

What is the cheapest month to book a flight from Ottawa to Buenos Aires?

Currently, November is the cheapest month in which you can book a flight from Ottawa to Buenos Aires (average of C$ 816). Flying from Ottawa to Buenos Aires in December is currently the most expensive (average of C$ 1,063). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

One of the essential ways to save on airfare from Ottawa to Buenos Aires is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 33% on airfare.

Rainfall in Buenos Aires by month

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.

Temperature in Buenos Aires by month

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).

Reviews of airlines servicing Buenos Aires

Delta

8.0

Very good

7,950 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Sep 2023

AVL - LGA

Landing in Syracuse was ruff no bad weather just bad piloting. A/C barely. Working from LGA to Syracuse.

Delta

8.0

Very good

7,950 reviews

Delta

8.0

Very good

7,950 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Sep 2023

AVL - LGA

Landing in Syracuse was ruff no bad weather just bad piloting. A/C barely. Working from LGA to Syracuse.

United Airlines

7.4

Good

8,790 reviews

Delta

8.0

Very good

7,950 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Sep 2023

AVL - LGA

Landing in Syracuse was ruff no bad weather just bad piloting. A/C barely. Working from LGA to Syracuse.

Air Canada

7.1

Good

9,531 reviews

Delta

8.0

Very good

7,950 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Sep 2023

AVL - LGA

Landing in Syracuse was ruff no bad weather just bad piloting. A/C barely. Working from LGA to Syracuse.

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 2 airlines. Ottawa is conveniently located just 10.6 km from Ottawa’s city centre.
What are the cheapest airlines flying from Ottawa to Buenos Aires round-trip?
Cheapflights users have booked flights from Ottawa to Buenos Aires round-trip from C$ 1,050. Other airlines that can offer you cheap pricing are United Airlines, from C$ 1,483, and Delta, from C$ 1,895. Air Canada is currently priced 23% 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.
What is the cheapest month to book a flight from Ottawa to Buenos Aires?
Currently, November is the cheapest month in which you can book a flight from Ottawa to Buenos Aires (average of C$ 816). Flying from Ottawa to Buenos Aires in December is currently the most expensive (average of C$ 1,063). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Ottawa to Buenos Aires

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 1,087	AverageC$ 1,293	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	CheapestC$ 1,100	AverageC$ 1,603	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

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

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.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Ottawa to Buenos Aires for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes! Cheapflights helps users easily 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?

Not ready to book yet? You can track prices for flights from Ottawa to Buenos Aires on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Ottawa to Buenos Aires from C$ 511

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/7. 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

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 12 June 2025.

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 12 June 2025.

Cheapflights Fare Finder

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

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

What is the cheapest month to book a flight from Ottawa to Buenos Aires?

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

Find hourly flight availability from Ottawa to Buenos Aires. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 June 2025.

Rainfall in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average rainfall totals by month.

Temperature in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average temperature totals by month.

Reviews of airlines servicing Buenos Aires

Related info for your journey

Find useful and relevant information for your journey from Ottawa to Buenos Aires. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

What are the cheapest airlines flying 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?

What is the cheapest month to book a flight 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.

Top 2 airlines flying from Ottawa to Buenos Aires

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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?

100% Free

Book with Flexibility

Travel Smart

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 12 June 2025.