United AirlinesDepart12:30
Sat, Nov 14DFW → SUX
4h 20m · 1 stop
$333one way, per person
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- Cheapest fare
- $333
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 3h 53m
United Airlines · Sat, Nov 14
from $333
Usually 1+ stop
1,080 km
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Cheapest month to fly from Dallas to Sioux City
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.
See every date in November 2026 →Plan the rest of your trip to Sioux City
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About flights from Dallas to Sioux City
Dallas (DFW) and Sioux City (SUX) are about 1,080 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 53m. Over the next few months, one-way fares start from $333, 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 Dallas to Sioux City?
The cheapest one-way fare we've seen recently is $333 with United Airlines, departing Saturday, November 14, 2026.
What is the cheapest month to fly from Dallas to Sioux City?
November 2026 currently has the lowest fares, from $333 one way.
Are there direct flights from Dallas to Sioux City?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Dallas to Sioux City?
The quickest journey we've seen takes about 3h 53m. Dallas and Sioux City are around 1,080 km apart.
Which airlines fly from Dallas to Sioux City?
Recent fares on this route were with United Airlines.
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