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

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0 Children (2~11)
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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 April , May 2026

27 Apr - 27 May $ 866.00
CHI
Chicago
LATAM Airlines
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
LATAM Airlines
2 STOPS
CHI
Chicago
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20 Apr - 09 May $ 1,303.00
CHI
Chicago
Avianca
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Avianca
1 STOPS
CHI
Chicago
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12 Apr - 09 May $ 1,321.00
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

27 Apr - 02 May $ 892.00
CHI
Chicago
Spirit Airlines
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Spirit Airlines
3 STOPS
CHI
Chicago
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27 Apr - 02 May $ 903.00
CHI
Chicago
Spirit Airlines
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Spirit Airlines
3 STOPS
CHI
Chicago
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27 Apr - 01 May $ 1,014.00
CHI
Chicago
Spirit Airlines
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Spirit Airlines
3 STOPS
CHI
Chicago
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One-way flights to Buenos Aires from Chicago

7:50 AM - 2:00 AM
Sky Airline
2 Stops
22h 40m
CHI - AEP
$ 382
Kiwi
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2:25 PM - 9:30 AM
LATAM Airlines
2 Stops
23h 35m
CHI - AEP
$ 523
Kiwi
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10:45 AM - 9:15 PM
Avianca
2 Stops
16h 55m
CHI - AEP
$ 603
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.