Mesa (AZA) to Idaho Falls (IDA) flights
One airline flies nonstop from Mesa (AZA) to Idaho Falls (IDA): Allegiant Air. The two airports are 706 miles (1,136 km) apart. There are also 3 ways to fly it with one stop, through Las Vegas, Santa Ana and Portland.
Airlines flying nonstop from AZA to IDA
- Allegiant AirNot in an alliance

AZA to IDA with one stop
3 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Las Vegas (LAS)Allegiant Air the whole way


- Via Santa Ana (SNA)Allegiant Air the whole way


- Via Portland (PDX)Allegiant Air, then Alaska Airlines


AZA to IDA: common questions
Which airlines fly nonstop from AZA to IDA?
Allegiant Air flies nonstop from Mesa (AZA) to Idaho Falls (IDA).
How far is Mesa from Idaho Falls by plane?
Mesa (AZA) and Idaho Falls (IDA) are 706 miles (1,136 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does AZA to IDA cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for AZA to IDA with taxes and fees.
Where can I connect between Mesa and Idaho Falls?
The most direct connections are through Las Vegas (LAS), Santa Ana (SNA) and Portland (PDX). On 2 of them the same airline flies both flights, for example Allegiant Air through Las Vegas.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.