- Cheapest fare
- $334
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 6h 12m
Frontier Airlines · Fri, Nov 13
from $334
Usually 1+ stop
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.
Cheapest dates in November 2026
The lowest fares we've seen for each day, cheapest first.
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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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