Cheap Flights from Chicago to Buenos Aires

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

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Flight deals from Chicago to Buenos Aires

Looking for a cheap last-minute deal or the best return flight from Chicago to Buenos Aires? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Chicago to Buenos Aires

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago to Buenos Aires flights are currently cheapest in November.

Alternative Chicago to Buenos Aires routes

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

Chicago to Buenos Aires: Flight information

The things to know before you go.
Cheapest flight foundRs80,334
Cheapest month to flyNovember

Finding cheap flights from Chicago 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 Chicago to Buenos Aires is Rs202,302. 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 Chicago to Buenos Aires. But we found flights with one or more stops from Rs204,063.
As of October 2025, there are no flights flying from Chicago to Buenos Aires.
The cheapest month to fly from Chicago to Buenos Aires is usually December.
If you're flying from Chicago, the cheapest airport near Buenos Aires is Buenos Aires Jorge Newbery – which is 6.8 km away from the centre of Buenos Aires. We've found flights into this airport from Rs202,302.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Chicago to Buenos Aires on Saturday, 6 December 2025.
No airlines currently offer direct flights between Chicago 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 October, the average temperature is usually around 17°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 .

Travelling from Chicago to Buenos Aires: what you need to know

  • Start your holiday planning by considering where you'll take off for your flight from Chicago to Buenos Aires. O'Hare International Airport (ORD) and Chicago Midway International Airport (MDW) are the main airports in Chicago.

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

  • Buenos Aires's timezone is UTC-3, which makes Buenos Aires two hours ahead of Chicago.

  • To ensure you catch your Chicago to Buenos Aires flight, allow plenty of time to check in and drop off your luggage. Arriving two hours ahead of international departures and one hour before domestic flights is the general rule.

  • Flying during a peak time like August? Major public holidays and other high seasons can lead to longer lines at check-in and security. Play things extra safe and get there up to four hours ahead of an international flight and two hours before a domestic departure.

How to find the cheapest flights from Chicago to Buenos Aires

  • To find cheap Chicago to Buenos Aires flights, book as early as possible. Airlines generally offer the most competitive fares when flights first go on sale.

  • If you're flexible with your travel dates, use the 'Whole month' search tool. It'll give you the lowest price across the month when looking for your plane ticket from Chicago to Buenos Aires.

  • There's no need to check every day to find out if prices have dropped when you set up a Price Alert. We'll tell you when there's a better deal on cheap flights from Chicago to Buenos Aires.

  • Tailor your travel plans using filters. Pick your preferred departure and arrival times, airlines and total journey duration. You can also sort the results by 'Fastest,' 'Best' or 'Cheapest' Chicago to Buenos Aires flights.

Flying from Chicago

O'Hare International Airport (ORD)

  • Think about adding a stopover to potentially save money on your Chicago to Buenos Aires flight. Simply deselect 'Direct flights only' when searching for departures from O'Hare International Airport. Break up the journey at one of these popular airports:

    • Hartsfield-Jackson Atlanta International Airport (ATL)

    • George Bush Intercontinental Airport (IAH)

    • Miami International Airport (MIA)

  • Located around 26 kilometres from the centre of Chicago, ORD can be reached in about 35 minutes by car, depending on traffic. The journey on public transport is roughly 55 minutes.

  • Have an early flight from Chicago to Buenos Aires? Avoid rushing to the airport (and sneak in some extra precious sleep) by choosing one of these hotels near O'Hare International Airport:

  • Of all flights leaving O'Hare International Airport, 74.85% arrive on time at their destination.

  • The address for ORD is 10000 West O'Hare.

Chicago Midway International Airport (MDW)

  • Visit friends or family or just take a moment to recharge with a stopover. If you'd like to split up your Chicago to Buenos Aires flight, browse these options when leaving from Chicago Midway International Airport:

    • Hartsfield-Jackson Atlanta International Airport (ATL)

    • Dallas/Fort Worth International Airport (DFW)

    • George Bush Intercontinental Airport (IAH)

  • MDW is about 14 kilometres from central Chicago. It takes 20 minutes or so to get to the airport in a car from the city centre. Public transport takes roughly 45 minutes.

  • Start your holiday sooner with an extra night away from home. Before catching your flight from Chicago to Buenos Aires, take it easy in one of these hotels near Chicago Midway International Airport:

  • 78% of flights out of Chicago Midway International Airport meet their expected arrival time.

  • MDW is located at 5700 South Cicero.

Arriving in Buenos Aires

Jorge Newbery Airport (AEP)

  • Jorge Newbery Airport (AEP) is approximately 6 kilometres from central Buenos Aires. If you're catching a cab or a ride-share, the drive takes around 20 minutes.

  • If you're travelling by public transport, expect a journey time of roughly 40 minutes.

  • Book a hotel close to AEP if you have a late flight from Chicago to Buenos Aires. Pick one of these accommodation options and skip the long transfer:

  • Explore without limits with a Jorge Newbery Airport rental car. Pick up a set of wheels from Hertz, Localiza or rentar low cost and find adventure across Buenos Aires and beyond.

  • Secure the lowest price by reserving your vehicle from Jorge Newbery Airport around one week before your trip.

Ministro Pistarini Airport (EZE)

  • As soon as your flight from Chicago to Buenos Aires has arrived, you can reach the city centre in about 35 minutes by car. Central Buenos Aires is approximately 24 kilometres from Ministro Pistarini Airport (EZE).

  • If you're travelling on public transport, it'll take around 2 hours 10 minutes.

  • Hang the 'Do not disturb' sign on your door and rest at a hotel near EZE. Here are a few options where you can settle in after your flight from Chicago to Buenos Aires:

  • Hertz, Cactus and Localiza make picking up a Ministro Pistarini Airport rental car simple. These trusted companies are located in or around the terminal and will have you on your way in a heartbeat.

  • Lock in the lowest price by reserving your ride from EZE one week ahead of time. You can also expect to have a greater range of vehicles.

Best time to go to Buenos Aires

  • April is the quietest month for flights from Chicago to Buenos Aires, while August is the most popular. Pick the ideal time to go to Buenos Aires based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • Before locking in your Chicago to Buenos Aires tickets, consider the kind of weather you prefer. January is the warmest month in Buenos Aires, with temperatures ranging from 19ºC to 31ºC.

  • July sees average temperatures of between 5ºC and 15ºC. Search for cheap flights from Chicago to Buenos Aires around that time if you like cooler conditions.

More about Buenos Aires

  • When it comes to looking for somewhere to rest your head, you'll find the most popular stays in Buenos Aires right here. Browse these options as soon as you've booked your flight from Chicago to Buenos Aires:

  • Obelisco de Buenos Aires and Recoleta Cemetery are just a couple of the leading attractions to put on your Buenos Aires to-do list. Keep the sightseeing going at Casa Rosada.

Explore more of Argentina

  • You've visited Buenos Aires, now it's time to explore other corners of Argentina. Journey around 274 kilometres north-west to Rosario to tick off its top sights. From Monumento a la Bandera (Flag Monument) to Predio Ferial Parque de la Independencia and Parque Nacional a la Bandera, there's plenty to keep you on the go.

  • La Plata is another must-experience destination in Argentina and is around 56 kilometres south-east of Buenos Aires. No journey is complete without experiencing Busto de Francisco Lopez Merino, Estacion circunvalacion and Museo Almafuerte.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.