Cheap flights from Arizona to Idaho from $55

In general, January is the cheapest month to fly from Arizona to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $177. If you don’t want to visit Idaho in January, then you should wait until September to fly from Arizona, when ticket prices are also cheap, with an average price of $198.

Our data shows that Thursday is the least expensive day to fly to Idaho. Tickets to fly out on this day can be as low as $227. On the other hand, Sunday is the most expensive day to depart from Arizona because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $317.

According to our data, the cheapest time of day to fly to Idaho is in the afternoon. momondo users have found flights departing from Arizona to Idaho in the afternoon for as low as $201. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At noon is when there is more demand to fly to Idaho, so prices are often more expensive at around $280 per ticket.

Fly from Phoenix-Mesa Gateway to Boise Air Term. Gowen Fld for the best Arizona - Idaho flight prices

You are more likely to see cheaper flights to Idaho from Arizona when booking weeks ahead of your departure date. In general, you can expect to find flights to Idaho for around $244 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Idaho from Arizona for as low as $178 on momondo.

There are 4 cabin classes available to choose from on Arizona to Idaho flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Southwest, Frontier, and Alaska Airlines are the most popular carriers operating from Arizona to Idaho

American Airlines, Southwest and Alaska Airlines are the top three most popular airlines that fly to Idaho from Arizona according to our data. American Airlines is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Idaho. Keep in mind that there are 7 different airlines that fly to Idaho on a routine basis, so you have a few additional options to choose from.

As of February 2026, 8 flights take off from Arizona and land in Idaho each day. The most common flight departure time for this route is 3:00PM, with 47% of daily flights taking off in the afternoon.

As of February 2026, there are 60 flights per week flying from Arizona to Idaho. The most common day of the week flights depart is Wed, with 32% of flights taking off on this day.