Cheap Flights from Washington D.C. to Rio Grande do Sul from £377 Return

Flight deals from Washington D.C. to Rio Grande do Sul

Looking for cheap tickets from Washington D.C. to Rio Grande do Sul, or a last-minute trip? Find the lowest prices on one-way and return tickets right here.

Porto Alegre.£377 per passenger.Departing Mon, 29 Sep, returning Mon, 6 Oct.Return flight with Copa.Outbound indirect flight with Copa, departs from Washington Dulles on Mon, 29 Sep, arriving in Porto Alegre.Inbound indirect flight with Copa, departs from Porto Alegre on Mon, 6 Oct, arriving in Washington Dulles.Price includes taxes and charges.From £377, select.

Pelotas.£690 per passenger.Departing Wed, 12 Nov, returning Wed, 19 Nov.Return flight with Spirit Airlines and GOL Linhas Aéreas.Outbound indirect flight with Spirit Airlines, departs from Baltimore Washington International on Wed, 12 Nov, arriving in Pelotas.Inbound indirect flight with GOL Linhas Aéreas, departs from Pelotas on Wed, 19 Nov, arriving in Washington Dulles.Price includes taxes and charges.From £690, select.

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Flying from Washington D.C. to Rio Grande do Sul

Arm yourself with these facts on the fly.

Cheapest flight found	£377
Cheapest month to fly	September
Cheapest airport to fly from	Washington Dulles

How to find cheap flights from Washington D.C. to Rio Grande do Sul

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from Washington D.C. to Rio Grande do Sul. Other savvy travellers recently found return flights from £377 and one-way tickets from £164 one-way. Ready to join them? Here are a few tips to help you do it the smart way.

Fly from Washington Dulles into Porto Alegre

At the moment, the lowest priced flight tickets to Rio Grande do Sul are from Washington Dulles Airport to Porto Alegre Airport.

Fly in September

We crunched the flight calendar and found the cheapest time to fly from Washington D.C. to Rio Grande do Sul 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 Washington D.C. to anywhere you choose in Rio Grande do Sul.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from Washington D.C. to Rio Grande do Sul 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 Rio Grande do Sul to Rio Grande do Sul flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

What's the average Washington D.C. to Rio Grande do Sul flight price?

We looked at all of the upcoming return flights from Washington D.C. to Rio Grande do Sul we could find over the next 12 months. It looks like £377 is the best price. This is good, compared to the average Rio Grande do Sul ticket price of £534.

What is the cheapest month to fly from Washington D.C. to Rio Grande do Sul?

The cheapest month to fly from Washington D.C. to Porto Alegre Airport is currently September. The cheapest month to fly from Washington D.C. to Pelotas Airport is usually November

Which upcoming date is cheapest to fly from Washington D.C. to Rio Grande do Sul on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Washington D.C. to Rio Grande do Sul on Monday, 29 September 2025.

Are there any direct flights from Washington D.C. to Rio Grande do Sul?

Currently, there aren't any direct flights from Washington D.C. to Rio Grande do Sul, but you can still fly with a stopover.

If I'm flying from Washington D.C., where in Rio Grande do Sul is cheapest to fly into?

If you're flying from Washington D.C., the cheapest city in Rio Grande do Sul to fly into is Porto Alegre. The cheapest airport serving Porto Alegre at the moment is Porto Alegre.