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

Thursday, December 17th, 2026

8 round-trip options

Returning
Tue, Dec 22, 20265 Day Trip
$2,238 USD
Returning
Wed, Dec 23, 20266 Day Trip
$2,238 USD
Returning
Thu, Dec 24, 20267 Day Trip
$1,783 USD
Returning
Fri, Dec 25, 20268 Day Trip
$1,783 USD
Returning
Sat, Dec 26, 20269 Day Trip
$2,238 USD
Returning
Sun, Dec 27, 202610 Day Trip
$2,238 USD
Returning
Tue, Dec 29, 202612 Day Trip
$2,238 USD
Returning
Wed, Dec 30, 202613 Day Trip
$2,238 USD