Business class, all in.
Recent quotes on Chicago to Buenos Aires. Pick an airline to see what the fare carries.
ORD → EZENonstop, with lounge access and Wi-Fi. Changes at moderate cost.
Business class quotes, per person, including taxes and fees, updated Oct 17, 2026. Fares move with dates and seat availability.
Chicago to Buenos Aires in business.
There is no nonstop between Chicago and Buenos Aires. The practical business-class routings make one stop at an airline hub further south: Miami or Dallas with American, Houston with United, Atlanta with Delta. Copa via Panama City and Aeroméxico via Mexico City are the other one-stop choices.
Three things worth knowing.
What our specialists check before they price ORD to EZE.
Seasons run opposite to Chicago’s. The southern summer, December to February, is the Argentine holiday peak and the tightest window for premium seats, especially over Christmas and New Year. March–May and September–November are milder and usually more open.
- When to fly
- Seasons run opposite to Chicago’s. The southern summer, December to February, is the Argentine holiday peak and the tightest window for premium seats, especially over Christmas and New Year. March–May and September–November are milder and usually more open.
- The airports
- International flights use Ezeiza (EZE), not the city’s domestic Aeroparque airport. Ezeiza is about 35 kilometres south-west of the centre. Allow 45 minutes to over an hour by car to Palermo or Recoleta, more on weekday evenings.
- The seat to want
- Most of the hours are on the overnight flight south from the connecting hub. That is the sector to check, because the US airlines generally put widebodies with lie-flat business seats on their Buenos Aires flights. The first hop out of O’Hare is often a narrowbody with a domestic-style recliner, which matters less on a flight of a few hours.
Chicago to Buenos Aires, answered.
The questions travellers ask us most about this route.
All questionsOur latest fare check found business class from $4,190 round-trip, and fares move with the airline and how far out you book. Our fare specialists also check consolidator rates and airline sales that don’t show up in a normal search.
Flight time is approximately 12 hours and 0 minutes for nonstop service.
Several carriers operate this route with different business class products — lie-flat suites on some, angled-flat seats on others. Tell us your priorities and we’ll match you with the right cabin.
Yes — every carrier we track on this route flies a lie-flat seat, so you get a fully horizontal bed either way.
1 of 1 carrier we track on this route include lounge access with the business class fare, and 1 offer onboard Wi-Fi.
Nearby corridors.
Other business class routes we price from the same cities.
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8h
8h 30m
11h 30m
13h 30m
Priced by a person, not a widget.
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