Washington (IAD) to Porto Alegre (POA) cheap flight deal from $466 USD in economy class

CMCopa Airlines

Round Trip•Economy

IAD

Washington Dulles International Airport

Washington, United States

POA

Salgado Filho International Airport

Porto Alegre, Brazil

$1,139 USD

-59%$466 USD

Verified Sep 20, 2025 at 1:32 PM

October 2025

Today

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29$488 30$468 1$468 2$540 3$540 4$488 5$520 6$572 7$520 8$520 9$540 10$711 11$488 12$468 13$468 14$468 15$468 16$520 17$676 18$540 19$520 20$520 21$468 22$520 23$564 24$541 25$540 26$520 27$468 28$520 29$540 30$564 31$676 1 2

Rare Availability

7% of dates checked are available within 10% of the lowest price

Thursday, October 16th, 2025

10 round-trip options

Returning

Tue, Oct 21, 2025•5 Day Trip

$572 USD

Google Flights

Returning

Wed, Oct 22, 2025•6 Day Trip

$572 USD

Google Flights

Returning

Thu, Oct 23, 2025•7 Day Trip

$520 USD

Google Flights

Returning

Fri, Oct 24, 2025•8 Day Trip

$616 USD

Google Flights

Returning

Sat, Oct 25, 2025•9 Day Trip

$728 USD

Google Flights

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Sun, Oct 26, 2025•10 Day Trip

$592 USD

Google Flights

Returning

Mon, Oct 27, 2025•11 Day Trip

$520 USD

Google Flights

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Tue, Oct 28, 2025•12 Day Trip

$520 USD

Google Flights

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Wed, Oct 29, 2025•13 Day Trip

$520 USD

Google Flights

Returning

Thu, Oct 30, 2025•14 Day Trip

$520 USD

Google Flights