Washington (IAD) to Porto Alegre (POA) flight deal in economy from $552

Friday, July 31st, 2026

9 round-trip options

Returning
Wed, Aug 5, 20265 Day Trip
$1,184 USD
Returning
Thu, Aug 6, 20266 Day Trip
$1,481 USD
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Fri, Aug 7, 20267 Day Trip
$1,481 USD
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Sun, Aug 9, 20269 Day Trip
$1,261 USD
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Mon, Aug 10, 202610 Day Trip
$1,328 USD
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Tue, Aug 11, 202611 Day Trip
$1,408 USD
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Wed, Aug 12, 202612 Day Trip
$1,408 USD
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Thu, Aug 13, 202613 Day Trip
$1,408 USD
Returning
Fri, Aug 14, 202614 Day Trip
$1,408 USD