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Cheap flights from Portland (PDX) 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 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 June , July 2026

30 Jun - 31 Jul $ 1,252.00
PDX
Portland
Alaska Airlines
3 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Alaska Airlines
3 STOPS
PDX
Portland
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30 Jun - 29 Jul $ 1,256.00
PDX
Portland
Alaska Airlines
3 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Alaska Airlines
3 STOPS
PDX
Portland
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30 Jun - 29 Jul $ 1,260.00
PDX
Portland
Alaska Airlines
3 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

28 Jun - 01 Jul $ 1,659.00
PDX
Portland
Alaska Airlines
3 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Alaska Airlines
3 STOPS
PDX
Portland
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27 Jun - 01 Jul $ 1,685.00
PDX
Portland
Alaska Airlines
3 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Alaska Airlines
3 STOPS
PDX
Portland
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29 Jun - 01 Jul $ 1,754.00
PDX
Portland
Alaska Airlines
3 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Alaska Airlines
3 STOPS
PDX
Portland
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One-way flights to Buenos Aires from Portland

8:42 PM - 9:20 AM
Gol Transportes Aéreos
3 Stops
36h 18m
PDX - AEP
$ 524
Kiwi
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11:15 PM - 9:15 PM
Avianca
3 Stops
26h 25m
PDX - AEP
$ 545
Kiwi
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11:15 PM - 9:15 PM
Avianca
3 Stops
26h 25m
PDX - AEP
$ 764
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.