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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 July , August 2026

31 Jul - 20 Aug $ 1,591.00
PDX
Portland
Frontier Airlines
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Frontier Airlines
3 STOPS
PDX
Portland
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31 Jul - 21 Aug $ 1,592.00
PDX
Portland
Frontier Airlines
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
Frontier Airlines
3 STOPS
PDX
Portland
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31 Jul - 25 Aug $ 1,665.00
PDX
Portland
LATAM Airlines
2 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
LATAM Airlines
2 STOPS
PDX
Portland
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Last minute flights from Portland to Buenos Aires

27 Jul - 01 Aug $ 1,939.00
PDX
Portland
LATAM Airlines
3 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
LATAM Airlines
3 STOPS
PDX
Portland
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27 Jul - 01 Aug $ 1,942.00
PDX
Portland
LATAM Airlines
3 STOPS
AEP
Buenos Aires
AEP
Buenos Aires
LATAM Airlines
3 STOPS
PDX
Portland
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27 Jul - 01 Aug $ 1,956.00
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

5:36 PM - 3:25 PM
Aerolineas Argentinas
3 Stops
43h 29m
PDX - AEP
$ 986
Kiwi
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5:36 PM - 9:15 AM
Aerolineas Argentinas
2 Stops
38h 44m
PDX - AEP
$ 992
Kiwi
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2:55 PM - 8:09 AM
JetSMART
3 Stops
40h 25m
PDX - AEP
$ 1,035
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.