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

Based on current 6-month forward fare data, May 2026 is the cheapest month to fly from Portland (PDX) to Boise (BOI), with fares starting from $186.

What is the lowest current fare from PDX to BOI?

The lowest currently-listed fare from Portland (PDX) to Boise (BOI) is $186 on 2026-05-29.

Direct flights from PDX to BOI cover approximately 552 km (343 miles), with an estimated flight time of 39m. Operating airlines: AS.

Cheapest current fares: $186 in May 2026, 552 km direct flight in ~39m.

Last updated May 25, 2026 · By Flightmaps Editorial

Lowest available fare per calendar month from Portland (PDX) to Boise (BOI). Refreshed daily.

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

Based on current 6-month forward fare data, May 2026 is the cheapest month to fly from Portland (PDX) to Boise (BOI), with fares starting from $186.
What is the lowest current fare from PDX to BOI?

The lowest currently-listed fare from Portland (PDX) to Boise (BOI) is $186 on 2026-05-29.
How long is the flight from Portland to Boise?

Direct flights from PDX to BOI cover approximately 552 km (343 miles), with an estimated flight time of 39m. Operating airlines: AS.

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