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Cheap flights from Portland (PDX) to Buenos Aires (AEP)

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0 Children (2~11)
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How to find the cheapest flight from Portland (PDX) to Buenos Aires (AEP)

How to find the cheapest flight from Portland (PDX) to Buenos Aires (AEP)
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How to find the cheapest flight from Portland (PDX) to Buenos Aires (AEP)
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How to find the cheapest flight from Portland (PDX) to Buenos Aires (AEP)
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Cheap flights from Portland to Buenos Aires in September , October 2026

30 Sep - 24 Oct $ 1,450.00
PDX
Portland
Alaska Airlines
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Alaska Airlines
3 STOPS
PDX
Portland
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30 Sep - 21 Oct $ 1,450.00
PDX
Portland
Alaska Airlines
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Alaska Airlines
3 STOPS
PDX
Portland
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30 Sep - 22 Oct $ 1,450.00
PDX
Portland
Alaska Airlines
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Alaska Airlines
3 STOPS
PDX
Portland
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Last minute flights from Portland to Buenos Aires

27 Sep - 01 Oct $ 1,627.00
PDX
Portland
Frontier Airlines
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Frontier Airlines
3 STOPS
PDX
Portland
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28 Sep - 01 Oct $ 1,716.00
PDX
Portland
Frontier Airlines
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Frontier Airlines
3 STOPS
PDX
Portland
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26 Sep - 01 Oct $ 1,740.00
PDX
Portland
Frontier Airlines
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Frontier Airlines
3 STOPS
PDX
Portland
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One-way flights to Buenos Aires from Portland

10:57 PM - 2:05 AM
LATAM Airlines
2 Stops
29h 33m
PDX - AEP
$ 696
Kiwi
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6:45 AM - 2:05 AM
LATAM Airlines
2 Stops
21h 45m
PDX - AEP
$ 701
Kiwi
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5:34 PM - 9:30 AM
LATAM Airlines
2 Stops
18h 26m
PDX - AEP
$ 827
Kiwi
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How to find the cheapest flight from Portland (PDX) to Buenos Aires (AEP)

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