$203 Find Cheap Flights from Chicago to Buenos Aires - Compare and Save

In the last 5 days, the lowest price for a flight from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport was $203 for a one-way ticket and $496 for a round-trip.

Yes, you’ll need a passport to travel to Buenos Aires from Chicago.

We unfortunately don’t have that data for this specific route.

SkyTeam, oneworld, and Star Alliance are the airline alliances operating flights between Chicago and Buenos Aires, with SkyTeam being the most commonly used for this route.

The two airlines most popular with KAYAK users for flights from Chicago to Buenos Aires are Delta and Copa Airlines. With an average price for the route of $1,496 and an overall rating of 7.8, Delta is the most popular choice. Copa Airlines is also a great choice for the route, with an average price of $1,028 and an overall rating of 7.6.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Chicago to Buenos Aires.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Buenos Aires from Chicago is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Buenos Aires with an airline and back to Chicago with another airline. Booking your flights between Chicago and EZE can sometimes prove cheaper using this method.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Buenos Aires from Chicago up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.