CA $257 Cheap Flights from Boise (BOI) to Idaho Falls (IDA)

View CA $257 flight on Mon, Oct. 13, 2025Opens in a new window

Popular airlines from Boise Airport (BOI) to Idaho Falls Regional Airport (IDA)

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Cheap flights from Boise (BOI) to Idaho Falls (IDA)

Prices were available within the past 7 days and start at CA $257 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Boise (BOI) to Idaho Falls (IDA)

January is typically the cheapest month to fly

From CA $300 - CA $893 per traveller.

Graph displaying average flight prices per month

Flight from Boise to Idaho Falls (BOI - IDA) route information
Origin airport
Boise
Destination airport
Idaho Falls Regional
Distance
332 km

Boise to Idaho Falls Flights

The easy way to book your flights from Boise to Idaho Falls 

With Expedia, it’s simple to find and book flights to Idaho Falls from Boise whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 6 airlines that cover this route. There are nonstop flights to Idaho Falls Regional, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Boise to Idaho Falls today, tomorrow, or this week.  

 

Save dollars with cheap flights from Boise, BOI to Idaho Falls Regional, IDA 

Sort your search results by price to find great deals on your flight from Boise to Idaho Falls—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Idaho Falls from Boise currently is just rising to .  

Here are more money-saving tips: 

  • Fly in when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Idaho Falls  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Idaho Falls from Boise 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Idaho Falls with Expedia today.

Frequently asked questions

How much is a flight from Boise Airport to Idaho Falls Regional Airport?
Round-trip flights between BOI and IDA start from . This figure is based on fares offered within the last 7 days on Expedia for flights departing within the next year — make your booking ASAP so you don't miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from BOI to Idaho Falls Regional Airport (IDA)?
Most flights can be cancelled online, but each airline has different terms and conditions. If you do decide to cancel your flight, check out our Customer Service Portal and follow the instructions.
How do I find cheap flights from Boise Airport (BOI) to IDA that have flexible change policies?
Many airlines will allow you to reschedule your flight without a change fee. All you pay is the cost difference between flights. When searching for Boise Airport (BOI) to IDA flights, you'll see a "No change fees" filter for you to pick.
How many hours is the flight from Boise Airport to Idaho Falls Regional Airport?
The flight time from Boise Airport to Idaho Falls Regional Airport is roughly 4 hours and 5 minutes. Put your earphones in, listen to a gripping podcast and the time will whiz by.
How far is the flight from Boise Airport (BOI) to Idaho Falls Regional Airport (IDA)?
That movie you've been desperate to see will have to wait — the flight distance between Boise Airport (BOI) and Idaho Falls Regional Airport is only 340 kilometres. The captain will be asking you to buckle up for landing before you know it.
Which airlines fly direct from BOI to Idaho Falls Regional Airport?
If you want to fly straight from Boise Airport to IDA, Alaska Airlines (AS) is an excellent choice. It operates 0 monthly flights between Boise and Idaho Falls.
Are Boise Airport (BOI) to Idaho Falls Regional Airport flight tickets cheaper when they're purchased at the last minute?
Flight prices fluctuate, so not always. While last-minute deals between Boise Airport (BOI) and IDA are of course possible, it's also a good idea to keep an eye on prices well before you fly. In fact, some air carriers publicize their prices up to a year ahead of the departure date. Expedia is continuously updating the best airfare bargains around, so keep checking back and be ready to lock in your seat when the price dips.

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