Cheap flights from Pierre to Watertown

One-way fares from $638 · PIR → ATY · prices found by travellers in the last 48 hours

Compare all dates Watertown → Pierre
Cheapest fare
$638

United Airlines · Thu, Nov 12

Cheapest month
November

from $638

Direct flights
Not recently

Usually 1+ stop

Quickest trip
3h 37m

260 km

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Cheapest month to fly from Pierre to Watertown

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $638

Cheapest dates in November 2026

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

United Airlines
Depart11:03 Thu, Nov 12PIR → ATY 3h 37m · 1 stop
$638one way, per person
View deal
See every date in November 2026 →

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Where to stay, what to do and getting around, from our travel partners.

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Things to do

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Getting around

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About flights from Pierre to Watertown

Pierre (PIR) and Watertown (ATY) are about 260 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 37m. Over the next few months, one-way fares start from $638, 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 Pierre to Watertown?

The cheapest one-way fare we've seen recently is $638 with United Airlines, departing Thursday, November 12, 2026.

What is the cheapest month to fly from Pierre to Watertown?

November 2026 currently has the lowest fares, from $638 one way.

Are there direct flights from Pierre to Watertown?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Pierre to Watertown?

The quickest journey we've seen takes about 3h 37m. Pierre and Watertown are around 260 km apart.

Which airlines fly from Pierre to Watertown?

Recent fares on this route were with United Airlines.

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