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

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0 Children (2~11)
0 Infants (0~2)
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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 August , September 2026

30 Aug - 24 Sep $ 1,168.00
PDX
Portland
Frontier Airlines
3 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Frontier Airlines
3 STOPS
PDX
Portland
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31 Aug - 24 Sep $ 1,176.00
PDX
Portland
Frontier Airlines
3 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Frontier Airlines
3 STOPS
PDX
Portland
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30 Aug - 24 Sep $ 1,176.00
PDX
Portland
Frontier Airlines
3 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Frontier Airlines
3 STOPS
PDX
Portland
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Last minute flights from Portland to Buenos Aires

29 Aug - 02 Sep $ 1,312.00
PDX
Portland
Frontier Airlines
3 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Frontier Airlines
3 STOPS
PDX
Portland
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28 Aug - 02 Sep $ 1,403.00
PDX
Portland
Frontier Airlines
3 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Frontier Airlines
3 STOPS
PDX
Portland
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28 Aug - 01 Sep $ 1,458.00
PDX
Portland
Frontier Airlines
3 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

10:59 PM - 2:00 AM
Sky Airline
3 Stops
29h 31m
PDX - AEP
$ 633
Kiwi
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6:20 AM - 4:37 PM
LATAM Airlines
2 Stops
33h 20m
PDX - AEP
$ 1,186
Kiwi
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5:35 PM - 9:30 AM
LATAM Airlines
2 Stops
18h 25m
PDX - AEP
$ 1,249
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.