Idaho Falls (IDA) to Santa Ana (SNA) flights
One airline flies nonstop from Idaho Falls (IDA) to Santa Ana (SNA): Allegiant Air. The two airports are 748 miles (1,203 km) apart. There are also 7 ways to fly it with one stop, through Las Vegas, Salt Lake City and Phoenix and more.
Airlines flying nonstop from IDA to SNA
- Allegiant AirNot in an alliance

IDA to SNA with one stop
7 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Las Vegas (LAS)Allegiant Air, then Delta Air Lines, Southwest Airlines and 3 more


+2
- Via Salt Lake City (SLC)Delta Air Lines the whole way


- Via Phoenix (PHX)American Airlines the whole way




- Via Mesa (AZA)Allegiant Air the whole way


- Via Denver (DEN)United Airlines the whole way




- Via Portland (PDX)Alaska Airlines the whole way


- Via Seattle (SEA)Alaska Airlines the whole way



IDA to SNA: common questions
Which airlines fly nonstop from IDA to SNA?
Allegiant Air flies nonstop from Idaho Falls (IDA) to Santa Ana (SNA).
How far is Idaho Falls from Santa Ana by plane?
Idaho Falls (IDA) and Santa Ana (SNA) are 748 miles (1,203 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does IDA to SNA cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for IDA to SNA with taxes and fees.
Where can I connect between Idaho Falls and Santa Ana?
The most direct connections are through Las Vegas (LAS), Salt Lake City (SLC), Phoenix (PHX), Mesa (AZA) and Denver (DEN). On 6 of them the same airline flies both flights, for example Delta Air Lines through Salt Lake City.
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.