Cheap flights from Idaho Falls to Portland

Cheapest current fares: $314 in August 2026, 865 km direct flight in ~1h 1m.

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Live fares · IDA → PDX

Cheapest month-by-month fares

Lowest available fare per calendar month from Idaho Falls (IDA) to Portland (PDX). Refreshed daily.

Idaho Falls (IDA) → Portland (PDX)

  1. August 2026 $314

Frequently asked questions

  • What is the cheapest month to fly from Idaho Falls to Portland?

    Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Idaho Falls (IDA) to Portland (PDX), with fares starting from $314.

  • What is the lowest current fare from IDA to PDX?

    The lowest currently-listed fare from Idaho Falls (IDA) to Portland (PDX) is $314 on 2026-08-22.

  • How long is the flight from Idaho Falls to Portland?

    Direct flights from IDA to PDX cover approximately 865 km (537 miles), with an estimated flight time of 1h 1m. Operating airlines: AS, G4.

Related guides for this route

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

Full route page: IDA → PDX Cheapest month to fly to Portland All flights from Idaho Falls All flights to Portland Flights to USA Visa-free with USA passport AS routes G4 routes