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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 October , November 2026

26 Oct - 20 Nov $ 1,102.00
CHI
Chicago
Air Canada
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Air Canada
2 STOPS
CHI
Chicago
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25 Oct - 09 Nov $ 1,671.00
CHI
Chicago
Avianca
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Avianca
1 STOPS
CHI
Chicago
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25 Oct - 09 Nov $ 1,780.00
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 Oct - 01 Nov $ 1,126.00
CHI
Chicago
Air Canada
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Air Canada
2 STOPS
CHI
Chicago
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25 Oct - 31 Oct $ 1,729.00
CHI
Chicago
Avianca
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Avianca
1 STOPS
CHI
Chicago
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25 Oct - 31 Oct $ 1,844.00
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

5:20 AM - 8:08 AM
JetSMART
2 Stops
26h 6m
CHI - AEP
$ 511
Kiwi
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6:08 PM - 12:10 PM
LATAM Airlines
2 Stops
22h 22m
CHI - AEP
$ 876
Kiwi
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6:50 PM - 10:40 AM
Aerolineas Argentinas
1 Stops
16h 50m
CHI - AEP
$ 2,425
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.