Cheap Flights from Chicago to Buenos Aires

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Travellers and bags, 1 Adult, Economy

Compare Chicago to Buenos Aires flight deals

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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? If you want to travel next month, return fares start from $1,086. Find the lowest prices on one-way and return tickets right here.

Buenos Aires.$842 per passenger.Departing Mon, 5 Oct, returning Thu, 29 Oct.Return flight with Arajet.Outbound indirect flight with Arajet, departs from Chicago O'Hare International on Mon, 5 Oct, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Arajet, departs from Buenos Aires Ministro Pistarini on Thu, 29 Oct, arriving in Chicago O'Hare International.Price includes taxes and charges.From $842, select.

Buenos Aires.$1,078 per passenger.Departing Mon, 21 Sep, returning Thu, 1 Oct.Return flight with Arajet.Outbound indirect flight with Arajet, departs from Chicago O'Hare International on Mon, 21 Sep, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Arajet, departs from Buenos Aires Ministro Pistarini on Thu, 1 Oct, arriving in Chicago O'Hare International.Price includes taxes and charges.From $1,078, select.

Buenos Aires.$1,086 per passenger.Departing Mon, 7 Sep, returning Sun, 20 Sep.Return flight with Arajet.Outbound indirect flight with Arajet, departs from Chicago O'Hare International on Mon, 7 Sep, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Arajet, departs from Buenos Aires Ministro Pistarini on Sun, 20 Sep, arriving in Chicago O'Hare International.Price includes taxes and charges.From $1,086, select.

Buenos Aires.$1,149 per passenger.Departing Mon, 16 Nov, returning Thu, 3 Dec.Return flight with Arajet.Outbound indirect flight with Arajet, departs from Chicago O'Hare International on Mon, 16 Nov, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Arajet, departs from Buenos Aires Ministro Pistarini on Thu, 3 Dec, arriving in Chicago O'Hare International.Price includes taxes and charges.From $1,149, select.

Buenos Aires.$1,150 per passenger.Departing Mon, 2 Nov, returning Thu, 5 Nov.Return flight with Arajet.Outbound indirect flight with Arajet, departs from Chicago O'Hare International on Mon, 2 Nov, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Arajet, departs from Buenos Aires Ministro Pistarini on Thu, 5 Nov, arriving in Chicago O'Hare International.Price includes taxes and charges.From $1,150, select.

Buenos Aires.$1,261 per passenger.Departing Mon, 19 Oct, returning Thu, 12 Nov.Return flight with Arajet.Outbound indirect flight with Arajet, departs from Chicago O'Hare International on Mon, 19 Oct, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Arajet, departs from Buenos Aires Ministro Pistarini on Thu, 12 Nov, arriving in Chicago O'Hare International.Price includes taxes and charges.From $1,261, select.

Buenos Aires.$1,331 per passenger.Departing Mon, 31 Aug, returning Thu, 24 Sep.Return flight with Arajet.Outbound indirect flight with Arajet, departs from Chicago O'Hare International on Mon, 31 Aug, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Arajet, departs from Buenos Aires Ministro Pistarini on Thu, 24 Sep, arriving in Chicago O'Hare International.Price includes taxes and charges.From $1,331, select.

Buenos Aires.$1,412 per passenger.Departing Mon, 7 Dec, returning Thu, 24 Dec.Return flight with Arajet.Outbound indirect flight with Arajet, departs from Chicago O'Hare International on Mon, 7 Dec, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Arajet, departs from Buenos Aires Ministro Pistarini on Thu, 24 Dec, arriving in Chicago O'Hare International.Price includes taxes and charges.From $1,412, select.

Buenos Aires.$1,543 per passenger.Departing Wed, 19 Aug, returning Wed, 26 Aug.Return flight with United.Outbound indirect flight with United, departs from Chicago O'Hare International on Wed, 19 Aug, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with United, departs from Buenos Aires Ministro Pistarini on Wed, 26 Aug, arriving in Chicago O'Hare International.Price includes taxes and charges.From $1,543, select.

Buenos Aires.$1,557 per passenger.Departing Mon, 4 Jan, returning Thu, 14 Jan.Return flight with Arajet.Outbound indirect flight with Arajet, departs from Chicago O'Hare International on Mon, 4 Jan, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Arajet, departs from Buenos Aires Ministro Pistarini on Thu, 14 Jan, arriving in Chicago O'Hare International.Price includes taxes and charges.From $1,557, select.

Buenos Aires.$1,669 per passenger.Departing Sat, 1 May, returning Thu, 1 Jul.Return flight with Arajet.Outbound indirect flight with Arajet, departs from Chicago O'Hare International on Sat, 1 May, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Arajet, departs from Buenos Aires Ministro Pistarini on Thu, 1 Jul, arriving in Chicago O'Hare International.Price includes taxes and charges.From $1,669, select.

Buenos Aires.$1,710 per passenger.Departing Tue, 16 Mar, returning Thu, 1 Apr.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Chicago O'Hare International on Tue, 16 Mar, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Air Canada, departs from Buenos Aires Ministro Pistarini on Thu, 1 Apr, arriving in Chicago O'Hare International.Price includes taxes and charges.From $1,710, select.

Buenos Aires.$1,779 per passenger.Departing Mon, 1 Mar, returning Sun, 14 Mar.Return flight with Arajet.Outbound indirect flight with Arajet, departs from Chicago O'Hare International on Mon, 1 Mar, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Arajet, departs from Buenos Aires Ministro Pistarini on Sun, 14 Mar, arriving in Chicago O'Hare International.Price includes taxes and charges.From $1,779, select.

Buenos Aires.$1,849 per passenger.Departing Thu, 22 Apr, returning Sun, 9 May.Return flight with Copa.Outbound indirect flight with Copa, departs from Chicago O'Hare International on Thu, 22 Apr, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Copa, departs from Buenos Aires Ministro Pistarini on Sun, 9 May, arriving in Chicago O'Hare International.Price includes taxes and charges.From $1,849, select.

Buenos Aires.$1,854 per passenger.Departing Thu, 1 Jul, returning Mon, 5 Jul.Return flight with Avianca.Outbound indirect flight with Avianca, departs from Chicago O'Hare International on Thu, 1 Jul, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Avianca, departs from Buenos Aires Jorge Newbery on Mon, 5 Jul, arriving in Chicago O'Hare International.Price includes taxes and charges.From $1,854, select.

Buenos Aires.$1,858 per passenger.Departing Wed, 10 Feb, returning Sun, 7 Mar.Return flight with United.Outbound indirect flight with United, departs from Chicago O'Hare International on Wed, 10 Feb, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with United, departs from Buenos Aires Ministro Pistarini on Sun, 7 Mar, arriving in Chicago O'Hare International.Price includes taxes and charges.From $1,858, select.

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 October.

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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.

Buenos Aires Jorge Newbery

7km from central Buenos Aires

Closest

from $1,404

Search flights

Buenos Aires Ministro Pistarini

28km from central Buenos Aires

Cheapest

from $842

Search flights

Chicago to Buenos Aires: Flight information

The things to know before you go.

Cheapest flight found	$842
Cheapest month to fly	October

Finding cheap flights from Chicago to Buenos Aires: Frequently asked questions

How many airports are there in Buenos Aires?

There are 2 airports in Buenos Aires: Buenos Aires Jorge Newbery and Buenos Aires Ministro Pistarini.

How much are return flights from Chicago to Buenos Aires?

The best price we found for a return flight from Chicago to Buenos Aires is $842. 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.

Which airlines fly direct from Chicago to Buenos Aires?

Currently, there are no airlines that fly direct from Chicago to Buenos Aires. But we found flights with one or more stops from $842.

How many flights are there a week from Chicago to Buenos Aires?

As of August 2026, there are no flights flying from Chicago to Buenos Aires.

When is the cheapest time to fly from Chicago to Buenos Aires?

The cheapest month to fly from Chicago to Buenos Aires is usually October.

Which is the cheapest airport to fly into in Buenos Aires?

If you're flying from Chicago, the cheapest airport near Buenos Aires is Buenos Aires Ministro Pistarini – which is 27.7 km away from the centre of Buenos Aires. We've found flights into this airport from $842.

Which upcoming date is cheapest to fly from Chicago to Buenos Aires on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Chicago to Buenos Aires on Monday, 5 October 2026.

Can I get a direct flight from Chicago to Buenos Aires?

No airlines currently offer direct flights between Chicago and Buenos Aires. Most routes have one or more stops.

How can I get the best flight deal from Chicago to Buenos Aires?

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.

When is the best time to book flights to Buenos Aires?

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.

What’s the weather like in Buenos Aires?

In August, the average temperature is usually around 12°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.

Which is the cheapest airline to fly from Chicago to Buenos Aires with?

The cheapest airline that flies to Buenos Aires is Arajet .

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

There are two main airports you can fly out of in Chicago. Check out your options leaving from Chicago O'Hare International Airport (ORD) or Chicago Midway Airport (MDW) when planning your flight from Chicago to Buenos Aires.
When it comes to planning your arrival in Buenos Aires, Buenos Aires Jorge Newbery Airport (AEP) and Buenos Aires Ministro Pistarini Airport (EZE) are the major entry points.
Buenos Aires is three hours ahead of Chicago and is in the UTC-3 timezone.
For a smooth journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This will give you enough time to board your Chicago to Buenos Aires flight.
Be prepared for longer lines in popular months such as July. Arriving up to four hours ahead of international flights and two hours for domestic departures is a wise move.

How to find the cheapest flights from Chicago to Buenos Aires

Don't leave things to the last moment. You're more likely to find cheap Chicago to Buenos Aires flights if you book ahead. Airlines often offer some great early bird discounts.
If you can be flexible with your trip dates, try using the 'Whole month' search tool. It'll show you the lowest price across every month when looking for your plane ticket from Chicago to Buenos Aires.
Snapping up a cheap flight from Chicago to Buenos Aires is a breeze with Price Alerts. Simply set up one of these automatic alerts and we'll let you know when the price has dropped.
Tailor your trip using filters. Choose your ideal arrival and departure times, airlines and total journey duration. You can also sort your results by 'Fastest,' 'Cheapest' or 'Best' Chicago to Buenos Aires flights.

Flying from Chicago

Chicago O'Hare International Airport (ORD)

A stopover is the perfect opportunity to take a travel break — and perhaps even explore another city. When browsing Chicago to Buenos Aires flights departing from Chicago O'Hare International Airport, deselect the 'Direct flights only' box to see where you can stop along the way. Popular options include:
- Atlanta Hartsfield-Jackson Airport (ATL)
- Houston George Bush Intercntl. Airport (IAH)
- Miami International Airport (MIA)
The journey from central Chicago to ORD takes about 45 minutes by public transport. If you drive, ride-share or get a taxi, you'll cover the 26 kilometres in 30 minutes or so, depending on traffic conditions.
After a leisurely start to your break? Stay near Chicago O'Hare International Airport. Whether you're catching an early flight from Chicago to Buenos Aires or want to avoid feeling rushed, these hotels are perfect:
When it comes to Chicago O'Hare International Airport's on-time performance, data shows 70% of flights complete their journey on time.
The address for ORD is 10000 West O'Hare.

Chicago Midway Airport (MDW)

Visit friends or family or just take some time to unwind with a stopover. If you'd like to split up your Chicago to Buenos Aires flight, browse these options when heading out from Chicago Midway Airport:
- Atlanta Hartsfield-Jackson Airport (ATL)
- Dallas Fort Worth International Airport (DFW)
- Houston George Bush Intercntl. Airport (IAH)
MDW is about 14 kilometres from central Chicago. It'll take you 25 minutes or so to get to the airport by car from the city centre. Public transport takes roughly 30 minutes.
You're off on holiday, so why not spend an extra night away from home? Consider staying at one of these hotels near Chicago Midway Airport the day before your flight from Chicago to Buenos Aires:
When it comes to keeping flights on track, Chicago Midway Airport has an on-time arrival performance of 76%.
MDW is located at 5700 South Cicero.

Arriving in Buenos Aires

Buenos Aires Jorge Newbery Airport (AEP)

Buenos Aires Jorge Newbery Airport (AEP) is approximately 6 kilometres from the centre of Buenos Aires. If you're catching a taxi or a ride-share, the drive takes around 25 minutes.
It typically takes 40 minutes to get there when travelling by public transport.
If you're arriving on a late flight from Chicago to Buenos Aires, nothing beats the convenience of staying near the terminal. Grab your suitcases from the carousel and then be showered and snoozing soon after at one of these accommodation options near AEP:
Begin your adventure by picking up a Buenos Aires Jorge Newbery Airport rental car. Grab your wheels from Hertz, Localiza or rentar low cost and explore beyond Buenos Aires's usual tourist stops.
To lock in the lowest price, reserve your ride from Buenos Aires Jorge Newbery Airport around one week in advance of your Chicago to Buenos Aires flight.

Buenos Aires Ministro Pistarini Airport (EZE)

Once your flight from Chicago to Buenos Aires has arrived, you can make your way to the city centre in about 30 minutes by car. Central Buenos Aires is roughly 24 kilometres from Buenos Aires Ministro Pistarini Airport (EZE).
The trip will take approximately 1 hour 15 minutes on public transport.
There are some great places to call home for the night near EZE. Settle in and get cosy after your Chicago to Buenos Aires flight at one of these well-located options:
No time to waste? The fastest way to get to where you're going is with a Buenos Aires Ministro Pistarini Airport rental car. Pick up your wheels from Hertz, Cactus or Localiza and be on your way in a flash.
Avoid potential price surges. Securing your ride one week ahead of your arrival at EZE will help you save.

El Palomar Airport (EPA)

Get off your flight from Chicago to Buenos Aires and go straight to your hotel or start taking in the sights right away. The centre of Buenos Aires is about 16 kilometres from El Palomar Airport (EPA).
Go from the arrivals hall to your hotel with no interruptions by grabbing a El Palomar Airport rental car. You can book with trusted names here like Rent A Car and Rent A Car.
Rental agencies sometimes offer discounts on early bookings, so reserve your vehicle from EPA well ahead of your flight from Chicago to Buenos Aires. A bit of planning goes a long way in savings.

Best time to go to Buenos Aires

March is the quietest month for flights from Chicago to Buenos Aires, while August is the most popular. Pick the ideal time to visit Buenos Aires based on whether you prefer a laid-back vibe or a more bustling atmosphere.
Lock in a Chicago to Buenos Aires ticket departing in January if you're eager to experience the city during its warmest month. Expect temperatures in Buenos Aires to range from 18ºC to 32ºC.
Look for cheap flights from Chicago to Buenos Aires in July if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 5ºC and 16ºC on average.

More about Buenos Aires

Start your Buenos Aires trip off on the right foot by choosing the perfect place to stay. After booking your flight from Chicago to Buenos Aires, browse our range of hotels including:
There are so many things to see and do in this city it can be tricky to work out where to start. Teatro Colón, El Ateneo Grand Splendid and Recoleta Cemetery are major attractions which should feature on every Buenos Aires itinerary.

Explore more of Argentina

Buenos Aires is always a good idea, but there are so many other corners of Argentina you'll want to see. About 274 kilometres northwest of Buenos Aires, a trip to Rosario will keep you on the go. Start with leading sights like Casa Natal Che Guevara, Monumento al Che Guevara and Museo de la Memoria.
La Plata is another sought-after destination in Argentina and is around 56 kilometres southeast of Buenos Aires. No journey is complete without dropping by Museum of Contemporary Latin American Art, Teatro Argentino and Catedral de La Plata.