United AirlinesDepart18:45
Fri, Nov 13SUX → ATY
3h 46m · 1 stop
$584one way, per person
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- Cheapest fare
- $584
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 3h 46m
United Airlines · Fri, Nov 13
from $584
Usually 1+ stop
270 km
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Cheapest month to fly from Sioux City to Watertown
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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About flights from Sioux City to Watertown
Sioux City (SUX) and Watertown (ATY) are about 270 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 46m. Over the next few months, one-way fares start from $584, 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 Sioux City to Watertown?
The cheapest one-way fare we've seen recently is $584 with United Airlines, departing Friday, November 13, 2026.
What is the cheapest month to fly from Sioux City to Watertown?
November 2026 currently has the lowest fares, from $584 one way.
Are there direct flights from Sioux City to Watertown?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Sioux City to Watertown?
The quickest journey we've seen takes about 3h 46m. Sioux City and Watertown are around 270 km apart.
Which airlines fly from Sioux City to Watertown?
Recent fares on this route were with United Airlines.
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