Santa Ana (SNA) to Idaho Falls (IDA) flights
One airline flies nonstop from Santa Ana (SNA) to Idaho Falls (IDA): 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 SNA to IDA
- Allegiant AirNot in an alliance

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

+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



SNA to IDA: common questions
Which airlines fly nonstop from SNA to IDA?
Allegiant Air flies nonstop from Santa Ana (SNA) to Idaho Falls (IDA).
How far is Santa Ana from Idaho Falls by plane?
Santa Ana (SNA) and Idaho Falls (IDA) 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 SNA 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 SNA to IDA with taxes and fees.
Where can I connect between Santa Ana and Idaho Falls?
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.