- Cheapest fare
- $384
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 3h 51m
United Airlines · Thu, Nov 12
from $384
Usually 1+ stop
510 km
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Cheapest month to fly from Duluth 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.
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 Duluth to Sioux Falls
Duluth (DLH) and Sioux Falls (FSD) are about 510 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 3h 51m. Over the next few months, one-way fares start from $384, 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 Duluth to Sioux Falls?
The cheapest one-way fare we've seen recently is $384 with United Airlines, departing Thursday, November 12, 2026.
What is the cheapest month to fly from Duluth to Sioux Falls?
November 2026 currently has the lowest fares, from $384 one way.
Are there direct flights from Duluth to Sioux Falls?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Duluth to Sioux Falls?
The quickest journey we've seen takes about 3h 51m. Duluth and Sioux Falls are around 510 km apart.
Which airlines fly from Duluth to Sioux Falls?
Recent fares on this route were with United Airlines.
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