$329 Find Cheap Flights from Louisville to Idaho Falls - Compare and Save

In the last 5 days, the lowest price for a flight from Louisville to Idaho Falls was $329 for a one-way ticket and $429 for a round-trip.

A passport is not required to fly from Louisville to Idaho Falls.

On your way to Idaho Falls, you’ll fly out from Louisville Intl. You’ll be landing at Idaho Falls Fanning Field.

We unfortunately don’t have that data for this specific route.

Star Alliance is the only airline alliance operating flights between Louisville and Idaho Falls.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Louisville to Idaho Falls.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Idaho Falls from Louisville is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Idaho Falls with an airline and back to Louisville with another airline. Booking your flights between Louisville and IDA can sometimes prove cheaper using this method.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Idaho Falls from Louisville up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.