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Airports with non-stop flights to 100+ destinations
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Did you mean flights from St. Louis to Idaho Falls?
United States
Idaho Falls Regional Airport
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United States
Lambert-Saint Louis International Airport
At present, there are no direct flights from Idaho Falls to St. Louis.
However, there are several flights from IDA to STL with a stopover.
Select a stopover airport from the list below to see which airlines operate flights from IDA to STL, and to see what flight schedules are available.
St. Louis is a humid subtropical or warm-temperate destination, featuring hot, humid summers with temperatures typically around 30°C (86°F) and mild to cool winters. The region is known for consistent rainfall throughout the year, peaking in summer. The area is known for its vibrant urban energy, diverse landscapes, and numerous outdoor activities.
You can visit St. Louis any time of the year, but the best months to explore are from to and from to .
In total there are 4 airlines that cover the full route from Idaho Falls IDA to St. Louis STL. These airlines are:
All other flights from Idaho Falls to St. Louis are operated by a combination of multiple carriers, which are listed below:
In total there are 3 alliances that cover the full route from Idaho Falls IDA to St. Louis STL. These alliances are:
You can fly the full journey from IDA to STL in either Economy or Business Class. Premium Economy and First Class are not available on this route, at least not on the full route with just 1 stopover.
In total there are 6 aircraft types that cover the full route from Idaho Falls to St. Louis. These aircrafts are:
All other flights from Idaho Falls to St. Louis are operated by a combination of multiple aircraft types.
The distance between Idaho Falls and St. Louis is 1,174 miles (1,889 kilometers).
However, because there are no direct flights between IDA and STL, the distance of the full journey varies between 1,224 and 2,268 miles (or 1,970 and 3,650 kilometers), depending on your stopover airport.
Flights from Idaho Falls to St. Louis take from 3 hours and 57 minutes up to 6 hours and 7 minutes, depending on your stopover airport.
Please note that these times refer to the actual flight times, excluding the stopover time in between connecting flights, as this depends on your stopover airport as well as your date(s) of travel.
There is 1 airport in St. Louis: Lambert-Saint Louis International Airport (STL).
From 3 hours and 57 minutes up to 6 hours and 7 minutes, depending on your stopover airport.
Note that this excludes the layover time in between connecting flights.
Because there are no direct flights between IDA and STL, the total distance of the full journey varies between 1,224 and 2,268 miles (or 1,970 and 3,650 kilometers), depending on your stopover airport.
United Airlines, Delta, American Airlines and Alaska are flying the full route from Idaho Falls to St. Louis.
Frontier Airlines, Southwest Airlines, GoJet Airlines and Allegiant operate several connecting flights, but only partly.
Oneworld, SkyTeam and Star Alliance are flying from Idaho Falls to St. Louis.
You can fly the full route from Idaho Falls to St. Louis (with 1 stopover) in Economy and Business Class.
Aircraft types that fly the full route from Idaho Falls to St. Louis (with 1 stopover):
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