STL to IDA (St. Louis to Idaho Falls) Flights

Last Minute Flights from STL to IDA

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
STLIdaho FallsApril 12 to April 18$445
*Prices include taxes and fees

Cheapest STL to IDA Flights

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
STLIdaho FallsJuly 4 to July 8$319
STLIdaho FallsSeptember 8 to September 17$339
STLIdaho FallsMay 15 to May 17$369
STLIdaho FallsJuly 4 to July 8$384
*Prices include taxes and fees
STL to IDA Flight Details
Origin airport
Lambert-St. Louis Intl.
Origin airport IATA code
STL
Destination airport
Idaho Falls Regional
Destination airport IATA code
IDA
Distance
1172 mi

Frequently asked questions

What airlines fly direct from STL to Idaho Falls Regional Airport (IDA)?
Unfortunately, it's not possible to fly straight from Lambert-St. Louis Intl. Airport (STL) to Idaho Falls Regional Airport (IDA). Head to Idaho Falls by grabbing a flight with at least one stop in between. If you're not stretched for time, why not spend a couple of days in your layover city?
How many flights are there from STL to IDA?
No less than 15 services operate daily from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional). Fasten your safety belt because your plane to Idaho Falls is ready to take flight.
How long does it take to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
It takes around 5 hours and 4 minutes to get from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional). That's plenty of time to start your travel journal, do some last-minute trip planning or read about the terrific things you can do in Idaho Falls.
What is the flight distance from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
At a distance of 1,150 miles (1,900 1), you'll be cruising at altitude for some time during this medium-haul flight. Like more legroom? Book an aisle seat. Otherwise, go for the window and stare out at the landscapes between St. Louis and Idaho Falls.
How many morning flights are there from STL to IDA?
There are around 58 flights in the morning from STL to IDA each week. American Airlines (AA) has 33 weekly flights that take off before noon. For those who wake up early, book the first flight at 5:00AM.
How many afternoon flights are there from STL to IDA?
If you like to sleep in, select one of the 51 afternoon and evening flights available every week from STL to IDA.

  • Book your airfare with American Airlines (AA). This airline offers 23 afternoon and evening flights a week departing from 1:01PM onward.
  • A popular alternative is United Airlines (UA). You can hop on one of its 14 weekly afternoon and evening flights that head to IDA from 1:37PM.

What is the earliest departure time out of St. Louis to Idaho Falls?
The earliest flight sets off from STL at 5:00AM and touches down at IDA at 10:37PM. Don't forget to allow yourself adequate time in the morning to get to your gate.
What is the latest departure time out of St. Louis to Idaho Falls?
Reserve a seat on the 7:20PM flight out of STL, landing at 1:44PM at IDA, and give yourself time to complete those last-minute vacation preparations. This is the latest flight you can catch on this route.
What is the average price from St. Louis to Idaho Falls?
Round-trip journeys for this route start from about $319. When you're ready to take to the skies, we're ready to help you score the best price possible. This price was available on Flights.com within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

St. Louis to Idaho Falls Flights

Whether it’s for an obligation or the sake of your sanity, sometimes you need to get away. Maybe you need flights from St. Louis to Idaho Falls to attend your cousin’s wedding, to pitch a business idea to your boss, or simply treat yourself to a mini vacation. Regardless of the reasons behind packing your bags and needing to find our cheapest flights from STL to IDA, we’ve got you covered here at Flights.com.

We present you with some of the most affordable deals on airfare, so stop that Google flights search. We want you to spend less on your flight from St. Louis to Idaho Falls, so you can spend more during your getaway. With Flights.com, you’ll find it simple to land airline tickets with itineraries matching your travel schedule. What’s more, we provide you with all the information you need to confidently make reservations on your family, business, or personal trip.

Plan Your Trip