Cheap flights from Boise to Butte

One-way fares from $360 · BOI → BTM · prices found by travellers in the last 48 hours

Compare all dates Butte → Boise
Cheapest fare
$360

United Airlines · Sat, Nov 14

Cheapest month
November

from $360

Direct flights
Not recently

Usually 1+ stop

Quickest trip
4h 02m

390 km

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Cheapest month to fly from Boise to Butte

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

  1. November 2026 Cheapest $360

Cheapest dates in November 2026

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

United Airlines
Depart14:51 Sat, Nov 14BOI → BTM 4h 02m · 1 stop
$360one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Butte

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

Where to stay

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Things to do

Things to do in ButteTours, attractions and day trips on Klook Explore →

Getting around

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About flights from Boise to Butte

Boise (BOI) and Butte (BTM) are about 390 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 $360, 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 Boise to Butte?

The cheapest one-way fare we've seen recently is $360 with United Airlines, departing Saturday, November 14, 2026.

What is the cheapest month to fly from Boise to Butte?

November 2026 currently has the lowest fares, from $360 one way.

Are there direct flights from Boise to Butte?

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

How long is the flight from Boise to Butte?

The quickest journey we've seen takes about 4h 02m. Boise and Butte are around 390 km apart.

Which airlines fly from Boise to Butte?

Recent fares on this route were with United Airlines.

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