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Cheap flights from Chicago (CHI) to Buenos Aires (AEP)

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How to find the cheapest flight from Chicago (CHI) to Buenos Aires (AEP)

How to find the cheapest flight from Chicago (CHI) to Buenos Aires (AEP)
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How to find the cheapest flight from Chicago (CHI) to Buenos Aires (AEP)
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How to find the cheapest flight from Chicago (CHI) to Buenos Aires (AEP)
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Cheap flights from Chicago to Buenos Aires in November , December 2026

30 Nov - 06 Dec $ 1,157.00
CHI
Chicago
Air Canada
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Air Canada
2 STOPS
CHI
Chicago
16 Nov - 08 Dec $ 1,410.00
CHI
Chicago
LATAM Airlines
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
LATAM Airlines
2 STOPS
CHI
Chicago
16 Nov - 04 Dec $ 1,588.00
CHI
Chicago
Avianca
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Avianca
1 STOPS
CHI
Chicago

Last minute flights from Chicago to Buenos Aires

16 Nov - 01 Dec $ 1,165.00
CHI
Chicago
Copa Airlines
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Copa Airlines
2 STOPS
CHI
Chicago
16 Nov - 30 Nov $ 1,487.00
CHI
Chicago
Avianca
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Avianca
1 STOPS
CHI
Chicago
16 Nov - 30 Nov $ 1,588.00
CHI
Chicago
Avianca
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Avianca
1 STOPS
CHI
Chicago

One-way flights to Buenos Aires from Chicago

4:20 AM - 6:30 AM
Aerolineas Argentinas
2 Stops
24h 30m
CHI - AEP
9:51 AM - 2:05 AM
LATAM Airlines
2 Stops
19h 39m
CHI - AEP
9:51 AM - 1:20 AM
LATAM Airlines
2 Stops
18h 49m
CHI - AEP

How to find the cheapest flight from Chicago (CHI) to Buenos Aires (AEP)

Related info for your journey
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How to find the cheapest flight from Chicago (CHI) to Buenos Aires (AEP)
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How to find the cheapest flight from Chicago (CHI) to Buenos Aires (AEP)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.