$1,398 Find cheap flights from Porto Alegre to Seattle

In the last 3 days, the lowest price for a flight from Porto Alegre to Seattle was $1,398 for a round-trip ticket.

Yes

On your way to Seattle, you’ll fly out from Porto Alegre Salgado Filho. You’ll be landing at Seattle/Tacoma Intl.

We unfortunately don’t have that data for this specific route.

Star Alliance, and oneworld are the airline alliances operating flights between Porto Alegre and Seattle, with oneworld being the most commonly used for this route.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Porto Alegre to Seattle.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Porto Alegre is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back to Porto Alegre with another airline. Booking your flights between Porto Alegre and SEA can sometimes prove cheaper using this method.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Porto Alegre up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.