Cheap flights from Watertown to Bismarck

One-way fares from $626 · ATY → BIS · prices found by travellers in the last 48 hours

Compare all dates Bismarck → Watertown
Cheapest fare
$626

United Airlines · Fri, Nov 13

Cheapest month
November

from $626

Direct flights
Not recently

Usually 1+ stop

Quickest trip
4h 02m

350 km

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Cheapest month to fly from Watertown to Bismarck

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

  1. November 2026 Cheapest $626

Cheapest dates in November 2026

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

United Airlines
Depart11:10 Fri, Nov 13ATY → BIS 4h 02m · 1 stop
$626one 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.

Where to stay

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Things to do

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Getting around

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About flights from Watertown to Bismarck

Watertown (ATY) and Bismarck (BIS) are about 350 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 4h 02m. Over the next few months, one-way fares start from $626, 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 Watertown to Bismarck?

The cheapest one-way fare we've seen recently is $626 with United Airlines, departing Friday, November 13, 2026.

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

November 2026 currently has the lowest fares, from $626 one way.

Are there direct flights from Watertown to Bismarck?

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

How long is the flight from Watertown to Bismarck?

The quickest journey we've seen takes about 4h 02m. Watertown and Bismarck are around 350 km apart.

Which airlines fly from Watertown to Bismarck?

Recent fares on this route were with United Airlines.

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