Cheap Flights from Porto Alegre Airport to Washington from £705 Return

Flight deals from Porto Alegre Airport to Washington

Looking for a cheap last-minute deal or the best return flight from Porto Alegre Airport to Washington? If you want to travel next month, return fares start from £948. Find the lowest prices on one-way and return tickets right here.

Seattle.£705 per passenger.Departing Fri, 11 Sep, returning Mon, 28 Sep.Return flight with GOL Linhas Aéreas and Frontier Airlines.Outbound indirect flight with GOL Linhas Aéreas, departs from Porto Alegre on Fri, 11 Sep, arriving in Seattle / Tacoma International.Inbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Mon, 28 Sep, arriving in Porto Alegre.Price includes taxes and charges.From £705, select.

Spokane.£839 per passenger.Departing Thu, 1 Oct, returning Mon, 1 Mar.Return flight with GOL Linhas Aéreas and Alaska Airlines.Outbound indirect flight with GOL Linhas Aéreas, departs from Porto Alegre on Thu, 1 Oct, arriving in Spokane International.Inbound indirect flight with Alaska Airlines, departs from Spokane International on Mon, 1 Mar, arriving in Porto Alegre.Price includes taxes and charges.From £839, select.

Bellingham.£887 per passenger.Departing Thu, 9 Jul, returning Thu, 16 Jul.Return flight with Copa and Allegiant Air.Outbound indirect flight with Copa, departs from Porto Alegre on Thu, 9 Jul, arriving in Bellingham.Inbound indirect flight with Allegiant Air, departs from Bellingham on Thu, 16 Jul, arriving in Porto Alegre.Price includes taxes and charges.From £887, select.

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Flying from Porto Alegre Airport to Washington

Arm yourself with these facts on the fly.

Cheapest flight found	£705
Cheapest month to fly	September

How to find cheap flights from Porto Alegre Airport to Washington

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from Porto Alegre Airport to Washington. Other savvy travellers recently found return flights from £705 and one-way tickets from £327. Ready to join them? Here are a few tips to help you do it the smart way.

Fly in September

The cheapest time to fly from Porto Alegre Airport to Washington is currently September.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from Porto Alegre Airport to anywhere you choose in Washington.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from Porto Alegre Airport to your chosen airport in Washington go up or down so you can book when the time is just right.

Relax – these are fee-free flight tickets

With us, there are no added fees – the Washington Airport to Washington flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

What is the average price of a flight from Porto Alegre Airport to Washington?

We looked at all of the upcoming return flights from Porto Alegre Airport to Washington we could find over the next 12 months. It looks like £705 is the best price. This is good, compared to the average Washington ticket price of £810.

What is the cheapest month to fly from Porto Alegre Airport to Washington?

The cheapest month to fly from Porto Alegre Airport to Bellingham Airport is currently July.
The cheapest month to fly from Porto Alegre Airport to Spokane International Airport is currently October.
And the cheapest month to fly from Porto Alegre Airport to Seattle / Tacoma International Airport is usually September.

Which upcoming date is cheapest to fly from Porto Alegre Airport to Washington on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Porto Alegre Airport to Washington on Friday, 11 September 2026.

If I'm flying from Porto Alegre Airport, where in Washington is cheapest to fly into?

If you're flying from Porto Alegre, the cheapest city in Washington to fly into is Seattle. The cheapest airport serving Seattle at the moment is Seattle / Tacoma International.