Cheap flights from Phoenix Sky Harbor Intl Airport to Idaho Falls from $87

If you aren’t able to travel to Idaho Falls during the month of March, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $401.

Our most recent data shows that the best time of day to fly to Idaho Falls is at noon. Flights from Phoenix Sky Harbor Intl Airport to Idaho Falls during this time can be as low as $165. Try not to purchase tickets in the evening because they tend to be around $436. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Phoenix Sky Harbor Intl to Idaho Falls Fanning Field for the best Phoenix Sky Harbor Intl - Idaho Falls Fanning Field flight prices

There are 2 cabin classes available to choose from on Phoenix Sky Harbor Intl Airport to Idaho Falls flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 47% on your flight if you consider stops on a Phoenix Sky Harbor Intl Airport to Idaho Falls flight.

As of November 2026, prices for Phoenix Sky Harbor Intl Airport to Idaho Falls flights are approximately 154% more expensive when compared to flights at the same time last year.

Historically, on average around 15% of flights between Phoenix and Idaho Falls have experienced a delay on any given week. The average delay length over the past 12 months has been 113 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

According to our data, American Airlines have had the least number of delays on this route over the last 12 months; with about 15% of their flights experiencing any sort of delay.

As of November 2026, there are 2 flights per day flying from Phoenix Sky Harbor Intl Airport to Idaho Falls. The most common time of day flights depart is 8:00PM, with 61% of flights taking off in the evening.

The number of flights available between Phoenix Sky Harbor Intl Airport and Idaho Falls is 16 per week as of November 2026. The most frequent departure day is Mon, with 19% of weekly flights leaving on this day.