What’s the cost of a flight from Chicago O'Hare to Buenos Aires?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Chicago and Buenos Aires.

Choose a date to explore the best fares now.

If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.

Which departure and arrival airports are available?

Between Chicago and Buenos Aires, flight options may depend on the combination of airports available.

• Airports in Chicago: Chicago is connected by 3 airports - Midway, O'Hare, Rockford.
• Airports in Buenos Aires: Buenos Aires is served by 3 airports - El Palomar, Jorge Newbery, Ministro Pistarini.

Sometimes flying into a nearby city can be more cost-effective. When a city has multiple airports, it’s worth comparing different flight combinations.

Smart ways to search flights from Chicago O'Hare to Buenos Aires

Use Jetcost to view tailored results based on what you care about — time, duration, number of stops, or even your preferred booking agency. Results include carriers like Easyjet, Ryanair, British Airways, and more.

Other popular destinations

Flying to Argentina? Other travelers also searched: Buenos Aires, Córdoba, Iguazu, Mendoza, San Carlos de Bariloche.

Prefer non-stop flights? Just activate the filter to skip unnecessary layovers. If your dates are flexible, you can also explore different departure and return combinations to find the best fit.