Cheap flights from Austin to Idaho Falls

Cheapest current fares: $204 in August 2026 on connecting flights.

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Live fares · AUS → IDA

Cheapest month-by-month fares

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

Austin (AUS) → Idaho Falls (IDA)

  1. August 2026 $204

Frequently asked questions

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

    Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Austin (AUS) to Idaho Falls (IDA), with fares starting from $204.

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

    The lowest currently-listed fare from Austin (AUS) to Idaho Falls (IDA) is $204 on 2026-08-28.

  • Is there a direct flight from Austin to Idaho Falls?

    There is currently no non-stop service from AUS to IDA. 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.

Full route page: AUS → IDA Cheapest month to fly to Idaho Falls All flights from Austin All flights to Idaho Falls Flights to USA Visa-free with USA passport