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

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
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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 May , June 2026

27 May - 06 Jun $ 1,105.00
CHI
Chicago
LATAM Airlines
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
LATAM Airlines
2 STOPS
CHI
Chicago
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26 May - 05 Jun $ 1,112.00
CHI
Chicago
LATAM Airlines
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
LATAM Airlines
2 STOPS
CHI
Chicago
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22 May - 08 Jun $ 2,472.00
CHI
Chicago
Avianca
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Avianca
1 STOPS
CHI
Chicago
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Last minute flights from Chicago to Buenos Aires

26 May - 01 Jun $ 1,137.00
CHI
Chicago
LATAM Airlines
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
LATAM Airlines
2 STOPS
CHI
Chicago
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27 May - 01 Jun $ 1,138.00
CHI
Chicago
LATAM Airlines
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
LATAM Airlines
3 STOPS
CHI
Chicago
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22 May - 31 May $ 3,421.00
CHI
Chicago
Avianca
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Avianca
1 STOPS
CHI
Chicago
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One-way flights to Buenos Aires from Chicago

9:49 AM - 1:15 AM
LATAM Airlines
2 Stops
19h 51m
CHI - AEP
$ 475
Kiwi
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11:20 PM - 9:15 PM
Avianca
1 Stops
28h 20m
CHI - AEP
$ 532
Kiwi
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10:40 AM - 9:15 PM
Avianca
2 Stops
17h
CHI - AEP
$ 615
Kiwi
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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)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
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.