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

Thursday, October 15th, 2026

10 round-trip options

Returning
Tue, Oct 20, 20265 Day Trip
$862 USD
Returning
Wed, Oct 21, 20266 Day Trip
$842 USD
Returning
Thu, Oct 22, 20267 Day Trip
$842 USD
Returning
Fri, Oct 23, 20268 Day Trip
$750 USD
Returning
Sat, Oct 24, 20269 Day Trip
$949 USD
Returning
Sun, Oct 25, 202610 Day Trip
$862 USD
Returning
Mon, Oct 26, 202611 Day Trip
$949 USD
Returning
Tue, Oct 27, 202612 Day Trip
$862 USD
Returning
Wed, Oct 28, 202613 Day Trip
$1,209 USD
Returning
Thu, Oct 29, 202614 Day Trip
$805 USD