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Cheap Flights from St Louis to Buenos Aires Ministro Pistarini

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      Travellers and cabin class, 1 Adult, Economy

      Compare St Louis to Buenos Aires Ministro Pistarini flight deals

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

      Book the best Buenos Aires Ministro Pistarini fare with no extra fees

      Flight deals from St Louis to Buenos Aires Ministro Pistarini

      Looking for a cheap last-minute deal or the best return flight from St Louis Airport to Buenos Aires Ministro Pistarini Airport? If you want to travel next month, return fares start from R 14,221. Find the lowest prices on one-way and return tickets right here.
      Buenos Aires.R 5,233 per passenger.Departing Mon, 28 Sep.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from St Louis on Mon, 28 Sep, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From R 5,233, select.
      Buenos Aires.R 6,590 per passenger.Departing Fri, 4 Dec.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from St Louis on Fri, 4 Dec, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From R 6,590, select.
      Buenos Aires.R 6,893 per passenger.Departing Thu, 19 Nov.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from St Louis on Thu, 19 Nov, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From R 6,893, select.
      Buenos Aires.R 7,645 per passenger.Departing Sun, 4 Oct.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from St Louis on Sun, 4 Oct, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From R 7,645, select.
      Buenos Aires.R 10,773 per passenger.Departing Fri, 1 Jan.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from St Louis on Fri, 1 Jan, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From R 10,773, select.
      Buenos Aires.R 12,509 per passenger.Departing Tue, 13 Apr.One-way flight with Delta.Outbound indirect flight with Delta, departs from St Louis on Tue, 13 Apr, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From R 12,509, select.

      Find the cheapest month to fly from St Louis to Buenos Aires Ministro Pistarini

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like St Louis to Buenos Aires Ministro Pistarini flights are currently cheapest in September.
      Sep
      from R 5,233
      Oct
      from R 7,645
      Nov
      from R 6,893
      Dec
      from R 6,590
      Jan
      from R 10,773
      Feb
      Find prices
      Mar
      Find prices
      Apr
      from R 12,509
      May
      Find prices
      Jun
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      Jul
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      Aug
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      St Louis to Buenos Aires Ministro Pistarini: Alternative routes

      Compare routes from St Louis to Buenos Aires below. You may find an airport to fly into that's cheaper, faster, or easier than Buenos Aires Ministro Pistarini.

      Buenos Aires Jorge Newbery

      7km from central Buenos Aires
      Closest
      from R 7,802
      Search flights

      Buenos Aires Ministro Pistarini

      28km from central Buenos Aires
      Cheapest
      from R 5,234
      Search flights

      St Louis to Buenos Aires: Flight information

      The things to know before you go.
      Cheapest flight foundR 5,234
      Cheapest month to flySeptember

      Finding cheap flights from St Louis to Buenos Aires Ministro Pistarini: Frequently asked questions

      The best price we found for a return flight from St Louis to Buenos Aires Ministro Pistarini is R 14,106. 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 St Louis to Buenos Aires Ministro Pistarini. But we found flights with one or more stops from R 14,108.
      As of September 2026, there are no flights flying from St Louis to Buenos Aires Ministro Pistarini.
      The cheapest month to fly from St Louis to Buenos Aires Ministro Pistarini is usually November.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to Buenos Aires Ministro Pistarini Airport on Friday, 13 November 2026.
      No airlines currently offer direct flights between St Louis Airport and Buenos Aires Ministro Pistarini Airport. 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 Ministro Pistarini 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.

      Currently, Frontier Airlines offers the cheapest flight tickets to Buenos Aires Ministro Pistarini.

      Flying from St Louis Airport (STL) to Buenos Aires Ministro Pistarini Airport (EZE): what you need to know

      • The timezone in Buenos Aires is UTC-3, which is three hours ahead of St Louis.

      • To ensure you catch your STL to EZE flight, leave plenty of time for things like check-in and baggage drop. Turning up two hours before international departures and one hour before domestic flights is the standard rule.

      • Flying during a peak time such as July? Major public holidays and other popular periods can result in longer lines and delays at check-in and security. Play it safe and arrive up to four hours ahead of an international flight and two hours before a domestic departure.

      • We make it simple to book a flight with a stopover. To see your options for tickets from St Louis Airport to Buenos Aires Ministro Pistarini Airport, uncheck 'Direct flights only.' Then, choose a flight offering a stop long enough to explore your chosen city. Worthwhile stopovers between STL and EZE include:

        • Atlanta Hartsfield-Jackson Airport

        • Dallas Fort Worth International Airport

        • Houston George Bush Intercntl. Airport

      How to find the cheapest flights from St Louis Airport (STL) to Buenos Aires Ministro Pistarini Airport (EZE)

      • The lowest price we've seen for a one-way St Louis Airport to Buenos Aires Ministro Pistarini Airport flight is R 5,233. A round-trip fare right now is R 14,106. Depending on the availability and when you book, these fares can change.

      • To find cheap tickets from STL to EZE, book as early as you can. Airlines generally offer lower prices when flights are first released.

      • If you're flexible with your travel plans, try using the 'Whole month' search tool. It'll show you the lowest price in each month when looking for your flight from St Louis Airport to Buenos Aires Ministro Pistarini Airport.

      • Landing cheap flights from STL to EZE is easy with Price Alerts. Simply set up one of these automatic alerts and we'll let you know when there's a better deal.

      • Discover the ideal flight for you with the help of the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from St Louis Airport to Buenos Aires Ministro Pistarini Airport, use the 'Sort by' tool. You can also filter by airline, departure and arrival times, and number of stops.

      Handy information about St Louis Airport (STL)

      Arriving at Buenos Aires Ministro Pistarini Airport (EZE)

      When to fly to Buenos Aires Ministro Pistarini Airport (EZE)

      • The quietest month for a flight from St Louis Airport to Buenos Aires Ministro Pistarini Airport is March, while December is the most popular. Pick the best time to go to Buenos Aires based on whether you prefer a more fast-paced or easygoing experience.

      • Book your flight from St Louis Airport to Buenos Aires Ministro Pistarini Airport for January if you want to go to Buenos Aires during its warmest month. You can expect temperatures of between 18ºC (64ºF) and 32ºC (90ºF).

      • If you want to travel in cooler conditions, look for a cheap ticket from STL to EZE in July. Average temperatures are between 5ºC (41ºF) and 16ºC (61ºF) then.

      Explore more of Argentina

      • Buenos Aires is always a good idea, but there are so many other corners of Argentina waiting to be explored. Around 274 kilometres north-west of Buenos Aires, a visit to Rosario will keep your itinerary packed. Start with attractions like Casa Natal Che Guevara, Monumento al Che Guevara and Casa Natal de Lionel Messi.

      • If you're eager to discover another corner of Argentina, head for La Plata, about 56 kilometres south-east of Buenos Aires. Museo de Arte Contemporaneo Latinoamericano, Teatro Argentino and Catedral de la Plata are key reasons to visit.

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