By Constance Abad — Founder and director of Qwerty Travel
Published: August 2026 · Last updated: July 2026
This article is reviewed periodically to keep flight information, entry requirements and Argentina’s currency situation up to date. If you are travelling soon, we always recommend verifying the details with the official sources listed at the end of the article
Argentina is far closer than many Mexican travellers imagine. There are direct flights from Mexico City to Buenos Aires, and from Cancún too. The geographical distance is real, but the air connectivity is better established than it tends to appear in search engines when you first start researching.
There is something many travellers don’t realise when planning this trip: for reaching Argentine Patagonia, Santiago de Chile is often the most logical entry point. Not because Chile is the destination, but because from Santiago there are direct flights to El Calafate and Punta Arenas that simplify the logistics considerably when the focus is on the glaciers and southern parks. It is a route that flight search engines rarely suggest by default, but one that works very well for many families.
The real challenge is not the flight. It is organising everything that comes after it. This article answers the most common questions Mexican travellers have before they start planning: flights, stopovers, documents, best season, currency and the most frequent mistakes worth knowing about in advance.
Yes, but it depends on where you’re flying from. From Mexico City (CDMX), Aeromexico operates a direct flight to Buenos Aires (Ministro Pistarini Airport, EZE) in approximately 11 to 12 hours. From Cancún, Aerolíneas Argentinas covers the direct route, also to Buenos Aires. LATAM and other airlines operate connections from CDMX to Santiago de Chile, which is the preferred entry point for Patagonia-focused routes. For travellers from Guadalajara, Monterrey or other cities, at least one stopover is required.
The stopover is not always a disadvantage. In many cases it is strategically useful if you want to combine Argentina with another destination on the same route. A stopover in Lima makes it easy to add Peru. A stopover in Santiago opens the door to Chilean Patagonia. The choice of the most convenient connection should depend on the complete itinerary, not on the flight price alone.
| Origin in Mexico | Type of flight | Usual connection | Main advantage |
|---|---|---|---|
| Mexico City (CDMX) | Direct to Buenos Aires | No stopover — Buenos Aires (EZE) with Aeromexico | The fastest and most direct option from Mexico (approx. 11–12 hours). |
| Mexico City (CDMX) | Direct to Santiago de Chile | No stopover — Santiago (SCL) with LATAM or other airlines | The natural gateway for Patagonia-focused itineraries (approx. 10–11 hours). |
| Cancún | Direct to Buenos Aires | No stopover — Buenos Aires (EZE) with Aerolíneas Argentinas | Ideal for travellers departing from southeast Mexico. |
| CDMX / other cities | Via Lima | Lima (LIM) → Buenos Aires with LATAM | An excellent Andean hub that also makes it easy to extend the journey to Peru. |
| CDMX / other cities | Via Santiago | Santiago (SCL) → Patagonia or Buenos Aires | The most strategic stopover for Patagonia, with direct flights from Santiago to Punta Arenas and, depending on the season, El Calafate. |
| CDMX / other cities | Via Bogotá | Bogotá (BOG) → Buenos Aires with Avianca | Good flight frequency from multiple Mexican cities. |
| CDMX / other cities | Via Panama City | Panama City (PTY) → Buenos Aires with Copa Airlines | Convenient connections from many Mexican cities without passing through CDMX. |
| Guadalajara / Monterrey / other cities | Via CDMX | CDMX → Buenos Aires or Santiago (direct or with a second stopover) | Suitable for travellers outside Mexico City, although it requires additional time for the domestic connection. |
An important note on choosing your route: we don’t always recommend the cheapest flight. The connection that makes most sense is the one that fits best within the complete itinerary.
This is one of the areas where the theoretical answer diverges most from reality. Flight time is only part of the total travel time. The full calculation needs to include: the transfer to the departure airport, check-in and security, the wait before boarding, the flight, the connection wait if there is one, immigration and customs in Buenos Aires and the transfer to the hotel. What looks like an 11-hour flight can easily become 16 or 17 hours door to door.
| Journey | Estimated flight time | What it adds up to in practice |
|---|---|---|
| CDMX → Buenos Aires (direct) | ~11–12 h flying | Transfer to the airport + check-in + immigration + arrival at the hotel = approximately 16–17 hours from leaving home. |
| CDMX → Buenos Aires (via Lima) | ~14–16 h total flying | Connection time, immigration procedures and transfers increase the total journey to around 20–22 hours door to door. |
| CDMX → Buenos Aires (via Bogotá or Panama City) | ~14–17 h total flying | Including the connection, the total travel time is similar to the route via Lima. |
| Buenos Aires → Bariloche (domestic) | ~2 h flying | If departing from Aeroparque after arriving internationally at Ezeiza, the airport transfer usually turns this into half a day's journey. |
| Buenos Aires → El Calafate | ~3 h flying | Domestic flight from Aeroparque. Including transfers and airport procedures, it should be considered a full travel day. |
This has a concrete implication for the itinerary design: the day of arrival in Buenos Aires should not have significant activities planned. Arriving from Mexico, clearing immigration, collecting luggage and getting to a hotel from Ezeiza already fills most of the day. Trying to add a city centre visit that same afternoon is one of the most common planning mistakes we see.
Mexican citizens do not need a visa to enter Argentina as tourists. Entry is permitted with a valid passport for stays of up to 90 days. That is what we can confirm from experience of organising these trips. However, entry requirements can change, which is why we always recommend checking the most up-to-date information with official sources before booking any flight.
Official sources for verifying entry requirements
Entry requirements can change. We always recommend verifying with these sources before booking any flight.
A few practical points to bear in mind: the passport should generally have a minimum validity of at least six months from the date of entry, though exact requirements may vary. If minors are travelling, it is also worth checking specific requirements for that situation with the official sources.
Argentina does not have a single best season because it is an enormous country with very different climates by region. Southern Patagonia and the subtropical north operate in almost opposite windows of the year. The decision of when to travel should depend on which regions you want to visit, not on a generic recommendation.
| Region / Destination | Best season | What to expect |
|---|---|---|
| Buenos Aires | Year-round Best: Mar–May and Sep–Nov |
Mild climate with fewer tourists than during the austral summer. January and February are the hottest and busiest months. |
| Iguazú | Year-round Peak flow: Nov–Mar |
During the rainy season the waterfalls are at their most spectacular. In the dry season the walkways are easier to explore. |
| Patagonia (El Calafate, Ushuaia and El Chaltén) | October – April | Austral summer brings very long days and full access to glaciers and national parks. Some access routes close during winter. |
| Bariloche | Dec–Feb (summer) Jun–Aug (snow) |
Summer is ideal for hiking, kayaking and lake cruises. Winter is the best season for skiing at Cerro Catedral. |
| Torres del Paine (Chile) | October – April | Shares the same ideal travel season as Argentine Patagonia. Access is typically via Punta Arenas. |
| Mendoza | Sep – Apr Harvest: March |
March marks the Malbec harvest, the region's most celebrated season. January and February are best avoided due to extreme heat. |
| Salta / Northwest Argentina | Apr – Oct (dry season) | The best time to explore the Quebrada de Humahuaca and the Andean valleys with minimal rainfall. |
For most families combining Buenos Aires, Iguazú and Patagonia — with or without Torres del Paine — October to December and February to March are the most balanced windows: comfortable weather in Buenos Aires, optimal conditions in the Patagonian parks and Iguazú with good water flow but without the peak summer heat. January is high season across all of Argentina, with maximum visitor numbers, higher prices and hotels at capacity.
For a complete guide to Patagonia and its best seasons, read our article: How to plan a trip to Patagonia and Argentina from Mexico.
Argentina has a particular currency situation that is worth understanding before you arrive — though we will deliberately avoid specific exchange rate recommendations, since the situation changes frequently. What we can say from practical experience is that international credit and debit cards work well in the vast majority of hotels, restaurants and tourist services in Buenos Aires and Argentina’s main cities.
In more remote destinations — certain parts of Patagonia, small northern towns — cash remains more practical. The general recommendation is to carry a moderate amount of cash as a backup, without relying on it exclusively. In the itineraries we design for families, we always update travellers on the current market situation before they leave, because real-time information is worth far more than any generic advice.
What we can say with confidence: there is no need to change large amounts of money in Mexico before departure. The situation in Argentina means that having your cards available and a reasonable cash backup is the most practical approach for most traveller profiles.
After years of designing these trips, there are patterns that repeat themselves constantly. They are not mistakes of budget or destination choice. They are itinerary design mistakes — plans that look perfect on paper but produce an exhausting trip in practice.
Common mistakes we see when planning this trip
The most costly mistake is not any single one of the above. It is the combination of several. An itinerary with ten days, six destinations, four internal flights and no rest days can look very comprehensive on a map and feel genuinely exhausting in practice — especially when several generations are travelling together.
Mexican travellers have a very clear profile that we have come to know well over the years. They travel as a family, very often with three generations, and the trip is usually planned several months in advance as a significant event. Trips typically run between 12 and 15 days — the duration that allows several regions to be combined without transfers dominating the calendar.
What this profile values most is not necessarily the lowest price. It values the peace of mind that everything is well organised from day one: verified flights, hotels selected for real quality and location, private transfers, and someone available if anything goes wrong. For trips involving grandparents or young children, that sense of security is an essential part of the value of the trip, not a dispensable add-on.
On accommodation, the standard that works best for Mexican families is a well-located four-star hotel: clear service quality, rooms that work for groups, generous breakfasts and good proximity to the main attractions. Not always the most luxurious option in the destination — the one that fits best within the specific itinerary.
Gastronomy is also part of the experience, not just an afterthought. The Argentine asado, Patagonian wines, Bariloche’s chocolates and Buenos Aires’s restaurant scene are memories just as vivid as any excursion. We build these into the itinerary naturally, not as a separate list.
And one thing we have learned specifically about travelling to Patagonia: many families enter Patagonia via Santiago de Chile — particularly when the focus is on the glaciers and the parks. From Santiago there are direct flights to Punta Arenas and El Calafate. Santiago might be worth one or two nights in its own right, but in those cases the main destination remains Argentina and Patagonia. Chile is the gateway, not a parallel itinerary.
Constance Abad — Founder and director of Qwerty Travel
She has spent over fifteen years designing tailor-made trips to Argentina and Patagonia for travellers from Mexico, Europe and Latin America. She has designed routes for over four hundred families with very different profiles: multigenerational groups, couples, solo travellers and groups of friends. She works directly with local operators, guides and hotels in Buenos Aires, Bariloche, El Calafate, Ushuaia and Iguazú.
LinkedIn: linkedin.com/in/constance-abad
Mexican citizens do not need a visa to enter Argentina as tourists. Entry is permitted with a valid passport. We always recommend verifying current requirements with the National Directorate of Immigration of Argentina (argentina.gob.ar/migraciones) before booking, as requirements can change.
The direct flight from Mexico City takes approximately 11 to 12 hours. With a stopover, total flying time rises to 14–17 hours depending on the connection. Door-to-door time — from leaving home to arriving at the hotel in Buenos Aires — is typically 16 to 22 hours, including transfers, check-in and immigration.
For peak season travel (January, July, Easter), book at least four to six months in advance. In mid-season, two or three months usually give enough time. The most important factor is not the flight price in isolation, but making sure the chosen dates align with the optimal season for the destinations in the itinerary.
It depends on the complete itinerary. For routes focused on Buenos Aires and Iguazú, the direct flight from CDMX or a stopover in Bogotá or Panama is usually the most efficient. For routes where Patagonia is the main focus, entering via Santiago de Chile tends to be more logical: from Santiago there are direct flights to Punta Arenas (gateway to Torres del Paine) and El Calafate.
Cards work well in hotels, restaurants and tourist services in major cities. In more remote Patagonian areas, cash is more practical. The general recommendation is to carry a moderate amount of cash as a backup, without depending on it exclusively. Argentina's currency situation can vary: in the itineraries we design we always provide a current briefing before travel.
We recommend between 12 and 15 days to combine several regions without transfers dominating the calendar. With 10 days Argentina can be visited, but the pace is demanding. For families with multiple generations, 14 or 15 days allow the trip to be done at the pace it deserves.
Every trip starts with a conversation: how many days you have, who is travelling, which destinations you have in mind and what kind of experience you’re looking for. From there we build the complete itinerary — flights, hotels, transfers and private services — designed to work on the ground, not just on paper.
First consultation, no commitment: we’ll tell you exactly what you will — and won’t — see based on your dates and travel profile.
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