Cheap flights from Portland to Sioux Falls

One-way fares from $334 · PDX → FSD · prices found by travellers in the last 48 hours

Cheapest fare
$334

Frontier Airlines · Fri, Nov 13

Cheapest month
November

from $334

Direct flights
Not recently

Usually 1+ stop

Quickest trip
6h 12m

2,060 km

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Cheapest month to fly from Portland to Sioux Falls

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $334

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

Frontier Airlines
Depart12:31 Fri, Nov 13PDX → FSD 6h 12m · 2 stops
$334one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Sioux Falls

Where to stay, what to do and getting around, from our travel partners.

About flights from Portland to Sioux Falls

Portland (PDX) and Sioux Falls (FSD) are about 2,060 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 6h 12m. Over the next few months, one-way fares start from $334, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Portland to Sioux Falls?

The cheapest one-way fare we've seen recently is $334 with Frontier Airlines, departing Friday, November 13, 2026.

What is the cheapest month to fly from Portland to Sioux Falls?

November 2026 currently has the lowest fares, from $334 one way.

Are there direct flights from Portland to Sioux Falls?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Portland to Sioux Falls?

The quickest journey we've seen takes about 6h 12m. Portland and Sioux Falls are around 2,060 km apart.

Which airlines fly from Portland to Sioux Falls?

Recent fares on this route were with Frontier Airlines.

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