AirHint found the following cheapest one-way flights from Chicago (ORD) to Buenos Aires (AEP) in November 2025 (see full year).
One-Way flights
| 08 Nov | Spirit Airlines | ||
| 25 Nov | Avianca | ||
| 17 Nov | Avianca | ||
| 13 Nov | Avianca | ||
| 23 Nov | Avianca | ||
| 28 Nov | LATAM Airlines Group | ||
| 22 Nov | LATAM Airlines Group |
Also check the deals for return flights from Chicago to Buenos Aires in November.
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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
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