Cheap Flights from Porto Airport to South Dakota from 976 € Return

Flight deals from Porto Airport to South Dakota

Looking for a cheap last-minute deal or the best return flight from Porto Airport to South Dakota? If you want to travel next month, return fares start from 976 €. Find the lowest prices on one-way and return tickets right here.

Sioux Falls.976 € per passenger.Departing Mon, 1 Jun, returning Fri, 5 Jun.Return flight with Delta.Outbound indirect flight with Delta, departs from Porto on Mon, 1 Jun, arriving in Sioux Falls.Inbound indirect flight with Delta, departs from Sioux Falls on Fri, 5 Jun, arriving in Porto.Price includes taxes and charges.From 976 €, select.

Rapid City.1.294 € per passenger.Departing Mon, 29 Jun, returning Thu, 1 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Porto on Mon, 29 Jun, arriving in Rapid City Regional.Inbound indirect flight with Delta, departs from Rapid City Regional on Thu, 1 Oct, arriving in Porto.Price includes taxes and charges.From 1.294 €, select.

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Flying from Porto Airport to South Dakota

Arm yourself with these facts on the fly.

Cheapest flight found	976 €
Cheapest month to fly	June

How to find cheap flights from Porto Airport to South Dakota

Ready to join the other savvy travellers booking the cheapest one-way and return flights to South Dakota? Here are a few tips to help you do it the smart way.

Fly in June

The cheapest time to fly from Porto Airport to South Dakota is currently June.

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 Airport to anywhere you choose in South Dakota.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from Porto Airport to your chosen airport in South Dakota 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 South Dakota Airport to South Dakota flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

Are there any direct flights from Porto Airport to South Dakota?

There are currently no direct flights from Porto Airport to South Dakota, but we've found some other routes to United States – check them out now.

What is the average price of a flight from Porto Airport to South Dakota?

We looked at all of the upcoming return flights from Porto Airport to South Dakota we could find over the next 12 months. It looks like 976 € is the best price. This is good, compared to the average South Dakota ticket price of 1.135 €.

What is the cheapest month to fly from Porto Airport to South Dakota?

The cheapest month to fly from Porto Airport to Sioux Falls Airport is currently June.
The cheapest month to fly from Porto Airport to Rapid City Regional Airport is usually June.

Which upcoming date is cheapest to fly from Porto Airport to South Dakota on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Porto Airport to South Dakota on Monday, 1 June 2026.

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

If you're flying from Porto, the cheapest city in South Dakota to fly into is Sioux Falls. The cheapest airport serving Sioux Falls at the moment is Sioux Falls.