Cheap flights from St. Louis, MO to Buenos Aires, Argentina
Flights starting at £258. Choose between Frontier Airlines, Spirit Airlines, or Avianca to find the best price.
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Tips to know when travelling to Buenos Aires
Cheapest one-way trip | £344 |
---|---|
Cheapest round-trip | £867 |
Includes rare itinerary | |
Most popular airline | Frontier Airlines |
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Book your trip to arrive at Ministro Pistarini International, or Aeroparque Jorge Newbery. The most popular airlines for this route are Frontier Airlines, Spirit Airlines, Avianca, Aerolineas Argentinas, and Copa Airlines. St. Louis and Buenos Aires have 234 direct flights per week. When you arrive at Buenos Aires, consider visiting Recoleta, and La Boca, Buenos Aires.
Check-in for a flight from St. Louis to Buenos Aires
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
Avianca | AVA | AV | No | Opens 48 days before flight Closes 1 hours before flight |
Aerolineas Argentinas | ARG | AR | Yes | No |
Copa Airlines | CMP | CM | Yes | 0 0 |
Weather in Buenos Aires
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 29°C | 21°C |
February | 28°C | 20°C |
March | 25°C | 18°C |
April | 22°C | 15°C |
May | 18°C | 12°C |
June | 14°C | 9°C |
July | 13°C | 8°C |
August | 15°C | 9°C |
September | 17°C | 11°C |
October | 20°C | 13°C |
November | 24°C | 16°C |
December | 27°C | 19°C |
14 day forecast
Frequently asked questions
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