Cheapest return PDX–IDA flights, June

AirHint found the following cheapest return flights from Portland (PDX) to Idaho Falls (IDA) in June 2026 (see full year).

Return flights

12 Jun - 15 Jun Allegiant Air direct
12 Jun - 29 Jun Allegiant Air direct
15 Jun - 29 Jun Allegiant Air direct
12 Jun - 22 Jun Allegiant Air direct
15 Jun - 22 Jun Allegiant Air direct
26 Jun - 29 Jun Allegiant Air direct

Also check the deals for one-way flights from Portland to Idaho Falls in June.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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