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Cheap flights from Ottawa to Buenos Aires

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Flight deals from Ottawa to Buenos Aires

Looking for a cheap last-minute deal or the best round-trip flight from Ottawa to Buenos Aires? If you want to travel next month, round-trip fares start from $958. Find the lowest prices on one-way and round-trip tickets right here.
Buenos Aires.$795 per passenger.Departing Tue, Sep 22, returning Wed, Sep 30.Round-trip flight with Air Canada.Outbound indirect flight with Air Canada, departing from Ottawa International on Tue, Sep 22, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Air Canada, departing from Buenos Aires Ministro Pistarini on Wed, Sep 30, arriving in Ottawa International.Price includes taxes and charges.From $795, select.
Buenos Aires.$822 per passenger.Departing Fri, Oct 2, returning Sat, Oct 10.Round-trip flight with Air Canada.Outbound indirect flight with Air Canada, departing from Ottawa International on Fri, Oct 2, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Air Canada, departing from Buenos Aires Ministro Pistarini on Sat, Oct 10, arriving in Ottawa International.Price includes taxes and charges.From $822, select.
Buenos Aires.$935 per passenger.Departing Sun, Aug 30, returning Sun, Sep 6.Round-trip flight with WestJet and LATAM Airlines.Outbound indirect flight with WestJet, departing from Ottawa International on Sun, Aug 30, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with LATAM Airlines, departing from Buenos Aires Jorge Newbery on Sun, Sep 6, arriving in Ottawa International.Price includes taxes and charges.From $935, select.
Buenos Aires.$958 per passenger.Departing Fri, Aug 14, returning Fri, Aug 21.Round-trip flight with Porter Airlines and Arajet.Outbound indirect flight with Porter Airlines, departing from Ottawa International on Fri, Aug 14, arriving in Buenos Aires Jorge Newbery.Inbound indirect flight with Arajet, departing from Buenos Aires Ministro Pistarini on Fri, Aug 21, arriving in Ottawa International.Price includes taxes and charges.From $958, select.
Buenos Aires.$961 per passenger.Departing Tue, Oct 20, returning Tue, Dec 8.Round-trip flight with WestJet and Arajet.Outbound indirect flight with WestJet, departing from Ottawa International on Tue, Oct 20, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Arajet, departing from Buenos Aires Ministro Pistarini on Tue, Dec 8, arriving in Ottawa International.Price includes taxes and charges.From $961, select.
Buenos Aires.$976 per passenger.Departing Thu, Jan 7, returning Sat, Jan 23.Round-trip flight with Air Canada.Outbound indirect flight with Air Canada, departing from Ottawa International on Thu, Jan 7, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Air Canada, departing from Buenos Aires Ministro Pistarini on Sat, Jan 23, arriving in Ottawa International.Price includes taxes and charges.From $976, select.
Buenos Aires.$976 per passenger.Departing Sat, Nov 7, returning Mon, Nov 23.Round-trip flight with Avianca and JetSmart.Outbound indirect flight with Avianca, departing from Ottawa International on Sat, Nov 7, arriving in Buenos Aires Jorge Newbery.Inbound indirect flight with JetSmart, departing from Buenos Aires Jorge Newbery on Mon, Nov 23, arriving in Ottawa International.Price includes taxes and charges.From $976, select.
Buenos Aires.$978 per passenger.Departing Fri, Oct 30, returning Sat, Nov 7.Round-trip flight with Avianca and JetSmart.Outbound indirect flight with Avianca, departing from Ottawa International on Fri, Oct 30, arriving in Buenos Aires Jorge Newbery.Inbound indirect flight with JetSmart, departing from Buenos Aires Jorge Newbery on Sat, Nov 7, arriving in Ottawa International.Price includes taxes and charges.From $978, select.
Buenos Aires.$1,028 per passenger.Departing Thu, Feb 11, returning Fri, Feb 26.Round-trip flight with Avianca and Arajet.Outbound indirect flight with Avianca, departing from Ottawa International on Thu, Feb 11, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Arajet, departing from Buenos Aires Ministro Pistarini on Fri, Feb 26, arriving in Ottawa International.Price includes taxes and charges.From $1,028, select.
Buenos Aires.$1,032 per passenger.Departing Fri, Mar 5, returning Fri, Mar 12.Round-trip flight with Porter Airlines and JetSmart.Outbound indirect flight with Porter Airlines, departing from Ottawa International on Fri, Mar 5, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with JetSmart, departing from Buenos Aires Jorge Newbery on Fri, Mar 12, arriving in Ottawa International.Price includes taxes and charges.From $1,032, select.
Buenos Aires.$1,033 per passenger.Departing Wed, Dec 2, returning Sat, Dec 19.Round-trip flight with WestJet and Sky Airline.Outbound indirect flight with WestJet, departing from Ottawa International on Wed, Dec 2, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Sky Airline, departing from Buenos Aires Jorge Newbery on Sat, Dec 19, arriving in Ottawa International.Price includes taxes and charges.From $1,033, select.
Buenos Aires.$1,113 per passenger.Departing Thu, Apr 1, returning Thu, Apr 15.Round-trip flight with Avianca and Arajet.Outbound indirect flight with Avianca, departing from Ottawa International on Thu, Apr 1, arriving in Buenos Aires Jorge Newbery.Inbound indirect flight with Arajet, departing from Buenos Aires Ministro Pistarini on Thu, Apr 15, arriving in Ottawa International.Price includes taxes and charges.From $1,113, select.
Buenos Aires.$1,133 per passenger.Departing Sun, May 2, returning Mon, May 10.Round-trip flight with Air Canada.Outbound indirect flight with Air Canada, departing from Ottawa International on Sun, May 2, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Air Canada, departing from Buenos Aires Ministro Pistarini on Mon, May 10, arriving in Ottawa International.Price includes taxes and charges.From $1,133, select.
Buenos Aires.$1,249 per passenger.Departing Thu, Dec 17, returning Fri, Jan 1.Round-trip flight with Air Transat and Arajet.Outbound indirect flight with Air Transat, departing from Ottawa International on Thu, Dec 17, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Arajet, departing from Buenos Aires Ministro Pistarini on Fri, Jan 1, arriving in Ottawa International.Price includes taxes and charges.From $1,249, select.
Buenos Aires.$1,364 per passenger.Departing Sat, Mar 27, returning Sat, Apr 3.Round-trip flight with Porter Airlines and Aerolíneas Argentinas.Outbound indirect flight with Porter Airlines, departing from Ottawa International on Sat, Mar 27, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Aerolíneas Argentinas, departing from Buenos Aires Ministro Pistarini on Sat, Apr 3, arriving in Ottawa International.Price includes taxes and charges.From $1,364, select.
Buenos Aires.$1,365 per passenger.Departing Tue, Jun 1, returning Tue, Jun 15.Round-trip flight with Avianca and Sky Airline.Outbound indirect flight with Avianca, departing from Ottawa International on Tue, Jun 1, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Sky Airline, departing from Buenos Aires Jorge Newbery on Tue, Jun 15, arriving in Ottawa International.Price includes taxes and charges.From $1,365, select.

Find the cheapest month to fly from Ottawa to Buenos Aires

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ottawa to Buenos Aires flights are currently cheapest in September.
Jul
Find prices
Aug
from $958
Sep
from $795
Oct
from $822
Nov
from $976
Dec
from $1,033
Jan
from $976
Feb
from $1,028
Mar
from $1,032
Apr
from $1,113
May
from $1,133
Jun
from $1,365

Alternative Ottawa to Buenos Aires routes

Looking for the cheapest, fastest or easiest route from Ottawa to Buenos Aires? You could fly into the following airports instead.

Buenos Aires Jorge Newbery

7km from central Buenos Aires
Closest
from $968
Search flights

Buenos Aires Ministro Pistarini

28km from central Buenos Aires
Cheapest
from $795
Search flights

Ottawa to Buenos Aires: Flight information

The things to know before you go.
Cheapest flight found$795
Cheapest month to flySeptember

Finding cheap flights from Ottawa to Buenos Aires: Frequently asked questions

There are 2 airports in Buenos Aires: Buenos Aires Jorge Newbery and Buenos Aires Ministro Pistarini.
The best price we found for a round-trip flight from Ottawa to Buenos Aires is $795. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Ottawa to Buenos Aires. But we found flights with one or more stops from $795.
There are no flights flying from Ottawa to Buenos Aires, as of July 2026.
The cheapest month to fly from Ottawa to Buenos Aires is usually September.
If you're flying from Ottawa, the cheapest airport near Buenos Aires is Buenos Aires Ministro Pistarini – which is 27.7 km away from the center of Buenos Aires. We've found flights to this airport from $795.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Ottawa to Buenos Aires on Tuesday, September 22, 2026.
No airlines currently offer direct flights between Ottawa and Buenos Aires. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Buenos Aires but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Buenos Aires is around 40 days in advance, so don’t leave your flight to the last minute.

In July, the average temperature is usually around 10°C. January is typically the warmest month in Buenos Aires, when it usually averages around 30°C. You can expect the least rain in June. The coldest month is July, with temperatures averaging 6°C. The rainiest month is March.
The cheapest airline that flies to Buenos Aires is Air Canada.

Flying from Ottawa to Buenos Aires: what you need to know

  • Planning your vacation starts with working out where you'll fly out of in Ottawa. Ottawa International Airport (YOW) is the city's main base, so check out your options for reserving a flight from Ottawa to Buenos Aires jetting off from here.

  • Arrive in Buenos Aires at Buenos Aires Jorge Newbery Airport (AEP) or Buenos Aires Ministro Pistarini Airport (EZE).

  • Buenos Aires is two hours ahead of Ottawa and is in the UTC-3 timezone.

  • For a stress-free start to your trip, arrive at the airport two hours ahead of international flights and an hour before domestic departures. That way, you won't have to rush to catch your Ottawa to Buenos Aires flight.

  • Flying during a peak month such as July? School holidays and other high seasons can mean longer lines and delays at security. Be extra cautious and arrive up to four hours before international flights and two hours before a domestic departure.

How to find the cheapest flights from Ottawa to Buenos Aires

  • Don't leave everything to the last moment. You're more likely to find cheap Ottawa to Buenos Aires flights if you book ahead. Airlines often have some fantastic early bird rates.

  • If you're willing to be flexible with your travel plans, try using the 'Whole month' search tool. It'll show you the lowest price in each month when searching for your plane ticket from Ottawa to Buenos Aires.

  • Snapping up a cheap flight from Ottawa to Buenos Aires is easy with Price Alerts. Simply create one of these automatic alerts and we'll let you know when there's a better deal.

  • Choose your preferred departure and arrival times, airlines and number of stops by using the filters. Alternatively, sort your Ottawa to Buenos Aires flight results by 'Cheapest,' 'Best' or 'Fastest.'

Flying from Ottawa

Ottawa International Airport (YOW)

  • YOW is around 11 kilometers from central Ottawa. If you're ride-sharing, driving or catching a cab from the center, it'll take you 20 minutes or so to get there, depending on the traffic. If you're using public transport, expect the journey time to be around 35 minutes.

  • After a relaxed start to your trip? Stay near Ottawa International Airport. Whether you're taking an early flight from Ottawa to Buenos Aires or just don't like being rushed, these hotels are the answer:

  • When it comes to the on-time performance of Ottawa International Airport, 65% of flights meet their scheduled arrival time.

  • You'll find YOW at 50 Airport Road.

Arriving in Buenos Aires

Buenos Aires Jorge Newbery Airport (AEP)

  • The distance from Buenos Aires Jorge Newbery Airport (AEP) to central Buenos Aires is approximately 6 kilometers. It takes around 25 minutes to get to the center driving.

  • It usually takes 40 minutes to get there on public transport.

  • If you have a late flight from Ottawa to Buenos Aires, nothing beats the convenience of staying close to the terminal. Grab your suitcases from the carousel and then be showered and snoozing not long after at one of these hotels near AEP:

  • Go where the road takes you with a Buenos Aires Jorge Newbery Airport rental car. Pick up a set of wheels from Hertz, Localiza or rentar low cost and venture far and wide through Buenos Aires and beyond.

  • For the lowest price, reserve your ride from Buenos Aires Jorge Newbery Airport about one week ahead of your Ottawa to Buenos Aires flight.

Buenos Aires Ministro Pistarini Airport (EZE)

  • Buenos Aires Ministro Pistarini Airport (EZE) is roughly 24 kilometers from central Buenos Aires. Following your flight from Ottawa to Buenos Aires, it takes approximately 30 minutes to get to the heart of the city in a ride-share or cab.

  • Traveling by public transport will take about 1 hour 15 minutes.

  • You'll find some comfortable places ready to welcome you near EZE. Kick back after your Ottawa to Buenos Aires flight at one of these perfectly located options:

  • Forget about public transport schedules or long cab queues. Pick up a Buenos Aires Ministro Pistarini Airport rental car and go in any direction that inspires you. Check out the availability and rates from Hertz, Cactus and Localiza.

  • Avoid last-minute price surges. Securing your ride one week before your arrival at EZE will save you money.

El Palomar Airport (EPA)

  • Get off your flight from Ottawa to Buenos Aires and head for your hotel or start taking in the sights right away. The center of Buenos Aires is around 16 kilometers from El Palomar Airport (EPA).

  • Set your GPS and zoom off to your next destination with a El Palomar Airport rental car. Whether you're searching for a zippy compact or a family van, you'll find your ideal set of wheels from Rent A Car or Rent A Car.

  • If you're looking for a certain model or make, booking early increases your chances of getting what you want. Secure your ride from EPA at least a couple of weeks ahead of your flight from Ottawa to Buenos Aires.

Best time to go to Buenos Aires

  • March is the quietest month for flights from Ottawa to Buenos Aires, while August is the most popular. Choose the best time to go to Buenos Aires based on whether you want a lively atmosphere or a more laid-back vibe.

  • When booking your Ottawa to Buenos Aires tickets, consider the type of weather you enjoy. January is the warmest month in Buenos Aires, with temperatures ranging from 18ºC (64ºF) to 32ºC (90ºF).

  • Search for cheap flights from Ottawa to Buenos Aires in July if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between 5ºC (41ºF) and 16ºC (61ºF) on average.

More about Buenos Aires

  • Start your Buenos Aires trip right by choosing the perfect place to stay. After booking your flight from Ottawa to Buenos Aires, check out our range of accommodation options including:

  • There are so many things to see and do in this city it can be difficult to know where to start. Teatro Colón, El Ateneo Grand Splendid and Recoleta Cemetery are major attractions which should feature on any well-planned Buenos Aires itinerary.

Explore more of Argentina

  • Rosario is just one of the many places in Argentina waiting to be explored after you've seen Buenos Aires. Around 274 kilometers to the northwest, its top attractions include Casa Natal Che Guevara, Monumento al Che Guevara and Museo de la Memoria.

  • Around 56 kilometers southeast of Buenos Aires, La Plata is another essential stop in Argentina. Experience this destination's highlights firsthand at Museum of Contemporary Latin American Art, Teatro Argentino and Catedral de La Plata.

More travel options

Plan the rest of your trip from Ottawa to Buenos Aires

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.