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

Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Cheyenne (CYS) to Boise (BOI), with fares starting from $411.

What is the lowest current fare from CYS to BOI?

The lowest currently-listed fare from Cheyenne (CYS) to Boise (BOI) is $411 on 2026-08-12.

Is there a direct flight from Cheyenne to Boise?

There is currently no non-stop service from CYS to BOI. Most travellers connect through a hub airport. See our route page for current stopover options.

Cheap flights from Cheyenne to Boise

Cheapest current fares: $411 in August 2026 on connecting flights.

Last updated August 9, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

Lowest available fare per calendar month from Cheyenne (CYS) to Boise (BOI). Refreshed daily.

Cheyenne (CYS) → Boise (BOI)

August 2026 $411

Frequently asked questions

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

Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Cheyenne (CYS) to Boise (BOI), with fares starting from $411.
What is the lowest current fare from CYS to BOI?

The lowest currently-listed fare from Cheyenne (CYS) to Boise (BOI) is $411 on 2026-08-12.
Is there a direct flight from Cheyenne to Boise?

There is currently no non-stop service from CYS to BOI. Most travellers connect through a hub airport. See our route page for current stopover options.

Related guides for this route

Sibling pages — full route detail, airport overviews, visa context, per-airline routes.