Washington (IAD) to Porto Alegre (POA) flight deal in business from $1,540

Friday, September 18th, 2026

9 round-trip options

Returning
Wed, Sep 23, 20265 Day Trip
$1,820 USD
Returning
Thu, Sep 24, 20266 Day Trip
$1,908 USD
Returning
Fri, Sep 25, 20267 Day Trip
$1,695 USD
Returning
Sat, Sep 26, 20268 Day Trip
$2,530 USD
Returning
Sun, Sep 27, 20269 Day Trip
$3,100 USD
Returning
Mon, Sep 28, 202610 Day Trip
$2,405 USD
Returning
Wed, Sep 30, 202612 Day Trip
$1,645 USD
Returning
Thu, Oct 1, 202613 Day Trip
$1,695 USD
Returning
Fri, Oct 2, 202614 Day Trip
$2,455 USD