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

Friday, December 4th, 2026

8 round-trip options

Returning
Wed, Dec 9, 20265 Day Trip
$1,003 USD
Returning
Thu, Dec 10, 20266 Day Trip
$1,003 USD
Returning
Fri, Dec 11, 20267 Day Trip
$1,003 USD
Returning
Sat, Dec 12, 20268 Day Trip
$1,181 USD
Returning
Sun, Dec 13, 20269 Day Trip
$1,108 USD
Returning
Mon, Dec 14, 202610 Day Trip
$1,676 USD
Returning
Wed, Dec 16, 202612 Day Trip
$1,676 USD
Returning
Thu, Dec 17, 202613 Day Trip
$1,676 USD