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Cheap flight tickets from San Jose to Buenos Aires

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      Travellers and bags, 1 Adult, Economy

      Compare San Jose to Buenos Aires flight deals

      Find the cheapest month or even day of the year to fly to Buenos Aires

      Book the best Buenos Aires fare with no extra fees

      Flight deals from San Jose to Buenos Aires

      Looking for a cheap last-minute deal or the best return flight from San Jose to Buenos Aires? If you want to travel next month, return fares start from RM6,846. Find the lowest prices on one-way and return tickets right here.
      Buenos Aires.RM1,745 per passenger.Departing Tue, 10 Nov.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Jose International on Tue, 10 Nov, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From RM1,745, select.
      Buenos Aires.RM1,814 per passenger.Departing Sun, 13 Sep.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Jose International on Sun, 13 Sep, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From RM1,814, select.
      Buenos Aires.RM2,488 per passenger.Departing Thu, 28 Jan.One-way flight with Volaris.Outbound indirect flight with Volaris, departs from San Jose International on Thu, 28 Jan, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From RM2,488, select.
      Buenos Aires.RM3,245 per passenger.Departing Mon, 7 Dec.One-way flight with Delta.Outbound indirect flight with Delta, departs from San Jose International on Mon, 7 Dec, arriving in Buenos Aires Jorge Newbery.Price includes taxes and charges.From RM3,245, select.
      Buenos Aires.RM3,247 per passenger.Departing Tue, 23 Mar.One-way flight with Delta.Outbound indirect flight with Delta, departs from San Jose International on Tue, 23 Mar, arriving in Buenos Aires Jorge Newbery.Price includes taxes and charges.From RM3,247, select.
      Buenos Aires.RM3,248 per passenger.Departing Sun, 28 Feb.One-way flight with Delta.Outbound indirect flight with Delta, departs from San Jose International on Sun, 28 Feb, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From RM3,248, select.

      Find the cheapest month to fly from San Jose to Buenos Aires

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Jose to Buenos Aires flights are currently cheapest in November.
      Aug
      Find prices
      Sep
      from RM1,814
      Oct
      Find prices
      Nov
      from RM1,745
      Dec
      from RM3,245
      Jan
      from RM2,488
      Feb
      from RM3,248
      Mar
      from RM3,247
      Apr
      Find prices
      May
      Find prices
      Jun
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      Jul
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      Alternative San Jose to Buenos Aires routes

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

      Buenos Aires Jorge Newbery

      7km from central Buenos Aires
      Closest
      from RM1,761
      Search flights

      Buenos Aires Ministro Pistarini

      28km from central Buenos Aires
      Cheapest
      from RM1,745
      Search flights

      San Jose to Buenos Aires: Flight information

      The things to know before you go.
      Cheapest flight foundRM1,745
      Cheapest month to flyNovember

      Finding cheap flights from San Jose 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 return flight from San Jose to Buenos Aires is RM3,958. 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 San Jose to Buenos Aires. But we found flights with one or more stops from RM3,958.
      As of August 2026, there are no flights flying from San Jose to Buenos Aires.
      The cheapest month to fly from San Jose to Buenos Aires is usually September.
      If you're flying from San Jose, the cheapest airport near Buenos Aires is Buenos Aires Jorge Newbery – which is 6.7 km away from the centre of Buenos Aires. We've found flights into this airport from RM3,958.
      After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Jose to Buenos Aires on Monday, 28 September 2026.
      No airlines currently offer direct flights between San Jose 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 August, the average temperature is usually around 12°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 Frontier Airlines .

      Flying from San Jose to Buenos Aires: what you need to know

      • San Jose International Airport (SJC) is San Jose's main airport. Check out your options for booking a flight from San Jose to Buenos Aires departing from here.

      • When working out where to land in Buenos Aires, Buenos Aires Jorge Newbery Airport (AEP) and Buenos Aires Ministro Pistarini Airport (EZE) are the chief entry points.

      • Buenos Aires's timezone is UTC-3, making Buenos Aires five hours ahead of San Jose.

      • For hassle-free travel, turn up at the airport two hours ahead of international flights and one hour before domestic departures. That way, you can comfortably catch your San Jose to Buenos Aires flight.

      • You'll likely experience bigger queues in popular months like July. Arriving up to four hours ahead of international flights and two hours for a domestic departure is a good idea.

      How to find the cheapest flights from San Jose to Buenos Aires

      • Booking early is often the key to securing a cheap San Jose to Buenos Aires flight. Airlines adjust prices based on demand, so the nearer you get to departure, the more you'll likely pay.

      • Finding cheap plane tickets from San Jose to Buenos Aires is more likely if you can be flexible with your travel dates. Use the 'Whole month' function to see the lowest fares across each month and walk away with an incredible deal.

      • Locking in a cheap flight from San Jose to Buenos Aires is a piece of cake with Price Alerts. Simply create one of these automatic alerts and we'll notify you as soon as the price has dropped.

      • Find an affordable San Jose to Buenos Aires flight with the help of our filters. Select your ideal times, airlines and number of stops, then sort the results by 'Cheapest' to see the best deals.

      Flying from San Jose

      San Jose International Airport (SJC)

      • Stopovers are the ideal opportunity to take a travel break — and maybe even explore a different city. When browsing San Jose to Buenos Aires flights leaving from San Jose International Airport, deselect the 'Direct flights only' box to see where you can visit along the way. Top options include:

        • Atlanta Hartsfield-Jackson Airport (ATL)

        • Dallas Fort Worth International Airport (DFW)

        • Houston George Bush Intercntl. Airport (IAH)

      • Travelling from central San Jose to SJC takes about 30 minutes on public transport. If you ride-share, drive or get a taxi, you'll cover the 5 kilometres in 10 minutes or so, depending on traffic conditions.

      • Need a convenient hotel close to San Jose International Airport? If you're catching an early flight from San Jose to Buenos Aires, these accommodation options will have you sleeping moments from your departure gate:

      • San Jose International Airport gets top marks for its on-time performance. 83% of flights that depart SJC arrive at their destination without delay.

      • SJC is located at 1701 Airport Boulevard, Suite B-1130.

      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 kilometres. It takes around 25 minutes to get to the centre driving.

      • Travelling to the centre on public transport will take you roughly 40 minutes.

      • The last thing you need is a long journey to your hotel if you're getting in late on a flight from San Jose to Buenos Aires. Stay at one of these accommodation options near AEP instead:

      • Pick up a Buenos Aires Jorge Newbery Airport rental car and discover Buenos Aires and beyond with your own wheels. Hertz, Localiza and rentar low cost are popular outlets you can book with here.

      • For the best deal, reserve your vehicle from Buenos Aires Jorge Newbery Airport around one week ahead of your San Jose to Buenos Aires flight.

      Buenos Aires Ministro Pistarini Airport (EZE)

      • Buenos Aires Ministro Pistarini Airport (EZE) is roughly 24 kilometres from central Buenos Aires. Following your flight from San Jose to Buenos Aires, it'll take you approximately 30 minutes to reach the heart of the city in a taxi or ride-share.

      • Travelling by public transport will take around 1 hour 15 minutes.

      • After your flight from San Jose to Buenos Aires, kick back at a hotel near EZE. These are some great options that'll help you switch to relaxation mode:

      • No time to waste? The fastest way to get to where you're going is with a Buenos Aires Ministro Pistarini Airport rental car. Pick up a set of wheels from Hertz, Cactus or Localiza and be off and running.

      • Avoid last-minute price surges. Reserving your ride one week before your arrival at EZE can land you a better rate.

      El Palomar Airport (EPA)

      • Central Buenos Aires is around 16 kilometres from El Palomar Airport (EPA). Settle into your hotel (or jump right into exploring the city's must-see attractions) after your flight from San Jose to Buenos Aires.

      • Travel straight from arrivals to your hotel in one smooth trip by grabbing a El Palomar Airport rental car. You can book with reliable names here like Rent A Car and Rent A Car.

      • If you're looking for a particular type of vehicle, booking early gives you a better shot at finding what you want. Book your ride from EPA a few weeks ahead of your flight from San Jose to Buenos Aires.

      Best time to go to Buenos Aires

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

      • Lock in a San Jose to Buenos Aires ticket departing in January if you're eager to visit the city during its warmest month. You can expect temperatures in Buenos Aires to range from 18ºC (64ºF) to 32ºC (90ºF).

      • Look for cheap flights from San Jose 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

      • Once you've booked your flight from San Jose to Buenos Aires, decide where you'll be dropping your bags. Make one of these accommodation options your base for exploring Buenos Aires:

      • Teatro Colón and El Ateneo Grand Splendid are just the start of the leading attractions to add to your Buenos Aires travel itinerary. Keep the momentum going by heading to Recoleta Cemetery.

      Explore more of Argentina

      • You've seen Buenos Aires, now it's time to discover other corners of Argentina. Travel around 274 kilometres northwest to Rosario to tick off its leading sights. From Casa Natal Che Guevara to Monumento al Che Guevara and Museo de la Memoria, there's plenty to keep you busy.

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

      Plan the rest of your trip from San Jose to Buenos Aires

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