Cheap flights from Duluth to Sioux Falls

One-way fares from $384 · DLH → FSD · prices found by travellers in the last 48 hours

Cheapest fare
$384

United Airlines · Thu, Nov 12

Cheapest month
November

from $384

Direct flights
Not recently

Usually 1+ stop

Quickest trip
3h 51m

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.

  1. November 2026 Cheapest $384

Cheapest dates in November 2026

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

United Airlines
Depart15:06 Thu, Nov 12DLH → FSD 3h 51m · 1 stop
$384one way, per person
View deal
See every date in November 2026 →

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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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