Find the cheapest flights from Miami to Buenos Aires in 2026. Compare airlines, prices by month, and booking tips to save on your trip.
Route: Miami (MIA) → Buenos Aires (EZE)
Distance: Direct flights not available
Flight Duration: 11 h 30 m – 16 h
Prices by Month
| Month | Avg Price | Demand |
|---|---|---|
| January | €580 | high |
| February | €520 | high |
| March | €380 | medium |
| April | €320 | low |
| May | €350 | medium |
| June | €420 | medium |
| July | €480 | high |
| August | €490 | high |
| September | €340 | low |
| October | €360 | medium |
| November | €330 | low |
| December | €620 | high |
Airlines on This Route
- LATAM Airlines (direct): from €450 — LATAM often releases error fares in March-April. Use their official site for best availability on specific dates.
- American Airlines (direct): from €520 — AA prices drop midweek. Use AA’s flexible date search to find cheapest days within your travel window.
- Aerolineas Argentinas (direct): from €380 — Best for Spanish-speaking travelers. Their MIA-EZE route uses modern 737 MAX aircraft. Book direct for best deals.
- United Airlines (connecting): from €420 — Connect via Houston (IAH) for shortest layover. Check United’s metric pricing for sometimes lower fares.
- Delta Air Lines (connecting): from €440 — Often cheapest through Atlanta (ATL). Delta sometimes offers flash sales on Latin America routes.
- Avianca (connecting): from €380 — Connect via Bogota (BOG) for competitive pricing. Avianca often matches LATAM on this route.
Booking Strategy
For the best deals on Miami to Buenos Aires, book 6-8 weeks in advance for optimal pricing. The sweet spot is Tuesday through Thursday departures, which typically save €50-100 compared to weekend flights. January and December see prices spike due to holiday travel and Argentine summer peak season. Use Google Flights for date matrix visualization, then book direct with the airline to avoid booking fees. Set price alerts on Skyscanner for MIA-EZE specifically — error fares around €280-320 appear periodically, especially in March and November. Avoid booking in July-August when US summer coincides with Argentine winter tourism. Argentine residency documentation is not required for tourism stays up to 90 days. Consider flying into Ezeiza (EZE) as it’s better connected to the city center than Aeroparque (AEP).
Route Tips
- Book Tuesday-Wednesday departures for €40-80 savings; avoid Friday-Sunday which carry premium pricing on this high-demand Latin America route.
- Ezeiza Airport (EZE) has efficient immigration; download the Argentine immigration form beforehand to expedite arrival processing.
- US passport holders need no visa for tourism stays up to 90 days, but must pay a reciprocity fee (~$160) online before arrival—check Argentine consulate for current requirements.
- LATAM offers the most flight options with 2-3 daily departures; their 787 aircraft feature better cabin air humidity than American’s 777.
- Consider a stopover in Santiago (SCL) or Lima (LIM) if you have time—some itineraries add only 2-3 hours but can save €100+ on airfare.
- Download the SUBE card app before arrival; it’s essential for Buenos Aires public transit and offers the most authentic local experience.
- Argentine immigration sometimes asks for proof of onward travel; have your return ticket or travel itinerary ready to avoid issues.
Frequently Asked Questions
How long is the flight from Miami to Buenos Aires?
Direct flights from Miami (MIA) to Buenos Aires (EZE) take approximately 8 hours 45 minutes. LATAM Airlines and American Airlines operate daily non-stop services using Boeing 787 and 777 aircraft. If booking connecting flights, expect 11-16 hours total travel time depending on layover duration. Common connection hubs include Atlanta (Delta), Houston (United), Bogota (Avianca), and Sao Paulo (LATAM). The shortest indirect routing typically adds 2-3 hours to the direct journey.
How much does it cost to fly from Miami to Buenos Aires?
Economy class flights range from €300 to €650 depending on season. The cheapest fares (€300-380) are available in April, May, September, and November during shoulder season. Peak pricing occurs in December (€600+) and January (€550+) when Argentine summer draws tourists. Business class runs €2,500-4,500. Connecting flights can sometimes undercut direct service by €50-100, making Avianca and United competitive options. Book 6-8 weeks ahead for the best balance of availability and pricing.
Are there direct flights from Miami to Buenos Aires?
Yes, three airlines operate direct service: LATAM Airlines (daily), American Airlines (daily), and Aerolineas Argentinas (daily). LATAM typically offers the most departure options with 2-3 daily flights. American Airlines operates morning departures, while LATAM has both morning and evening options. All three use modern wide-body aircraft with personal entertainment and WiFi availability. Direct flights land at Ezeiza International Airport (EZE), about 35 minutes from central Buenos Aires.
What is the cheapest month to fly from Miami to Buenos Aires?
April offers the lowest average prices at €320, followed by November (€330) and September (€340). These shoulder-season months combine low tourist demand with pleasant weather in Buenos Aires. March and May see moderate pricing around €350-380. The most expensive period is December (€620) due to Christmas and New Year travel, followed by January-February (€520-580) during peak Argentine summer. July-August prices rise to €480-490 as US summer travelers overlap with Argentine winter holidays.
Which airlines fly from Miami to Buenos Aires?
Direct carriers include LATAM Airlines (most frequency, ~€450), American Airlines (premium service, ~€520), and Aerolineas Argentinas (value option, ~€380). Connecting airlines include United (via Houston, ~€420), Delta (via Atlanta, ~€440), Avianca (via Bogota, ~€380), and Copa Airlines (via Panama, ~€400). LATAM and Aerolineas are South American carriers with Spanish-speaking customer service advantages. US carriers offer better mileage accrual for their loyalty programs. All major airlines include at least one checked bag in economy fares.
What airport do I fly into in Buenos Aires?
International flights arrive at Ezeiza International Airport (EZE), officially Ministro Pistarini International Airport, located 35 kilometers (22 miles) southwest of central Buenos Aires. It’s the primary gateway for international arrivals. Transport options include: official airport taxis ( ARS 3,500-4,500, ~€35-45), rideshare services like Uber (~$25-30), shuttle buses (ARS 600, ~€6), or rental cars. Allow 45-60 minutes to reach Microcentro. Alternatively, some LATAM flights use Aeroparque Jorge Newbery (AEP) for domestic connections, but it’s not recommended for international arrivals due to limited immigration facilities.
How far in advance should I book Miami to Buenos Aires flights?
Book 6-8 weeks ahead for optimal pricing on this route. Airlines typically release their cheapest seats 8 weeks before departure, then adjust based on demand. Last-minute bookings (within 2 weeks) rarely yield deals except for premium-cabin mileage upgrades. For December travel, book by early October. For January-February, aim for November. Shoulder season (March-April, September-November) offers more flexibility with 4-6 weeks often sufficient. Avoid booking more than 3 months out unless seeing a specific error fare, as prices historically drop closer to departure.
Is it cheaper to fly from Miami to Buenos Aires on weekdays?
Yes, Tuesday and Wednesday departures are typically €40-80 cheaper than weekend flights on this route. Thursday offers moderate pricing, while Friday and Sunday see the highest demand and fares. Monday falls between midweek and weekend pricing. For the best deals, aim for Tuesday or Wednesday departures with Tuesday returns often the cheapest combination. The savings are more pronounced in off-peak season. Weekend premiums are highest during December and January when leisure travel dominates. Use flexible date search tools to compare day-by-day pricing.
Data updated: 2026-03
