CA $223 Cheap Flights from Idaho Falls (IDA) to Boise (BOI)

View CA $223 flight on Sat, Sep. 20, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at CA $223 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 Idaho Falls (IDA) to Boise (BOI)

January is typically the cheapest month to fly

From CA $303 - CA $744 per traveller.

Graph displaying average flight prices per month

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

Idaho Falls to Boise Flights

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

With Expedia, it’s simple to find and book flights to Boise from Idaho Falls whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Boise, 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 Idaho Falls to Boise today, tomorrow, or this week.  

 

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

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

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 Boise with Expedia today.

Frequently asked questions

How much is a flight from IDA to Boise Airport?
Start packing your bags, because round-trip flights between IDA and Boise Airport start from . That's based on airfares available within the last 7 days on Expedia for flights departing within the next year. Prices can change quickly, so book now to nab the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from IDA to BOI?
Most flights can be cancelled online, but every air carrier has its own set of terms and conditions. If you do have to cancel your flight, visit our Customer Service Portal and follow the instructions.
How do I find cheap flights from Idaho Falls Regional Airport to Boise Airport that have flexible change policies?
Many carriers will allow you to move your flight without a change fee. All you pay is the difference in the ticket price. When searching for Idaho Falls Regional Airport (IDA) to Boise Airport flights, you'll find a "No change fees" filter for you to tick.
How many hours is the flight from Idaho Falls Regional Airport (IDA) to Boise Airport (BOI)?
You may like to bring your own entertainment (like some downloaded TV shows), as it takes roughly 4 hours and 13 minutes to fly to BOI from Idaho Falls Regional Airport. A set of noise-cancelling headphones will be handy too.
How far is the flight from IDA to BOI?
The flight distance from Idaho Falls Regional Airport (IDA) to Boise Airport (BOI) is 340 kilometres. You'll be stepping off the plane and collecting your suitcase from the carousel before long.
Which airlines fly direct from IDA to Boise Airport (BOI)?
If you're looking to fly straight from IDA to Boise Airport, Alaska Airlines (AS) is an excellent option. It operates 0 monthly flights between Idaho Falls and Boise.
Are Idaho Falls Regional Airport (IDA) to BOI flight tickets cheaper when they're purchased at the last minute?
Flight prices fluctuate, so there are no guarantees. While last-minute flight deals between IDA and BOI are possible, it also makes sense to keep track of prices well before you fly. In fact, some air carriers publish their prices up to 12 months ahead of the departure date. Expedia is continuously updating the best airfare bargains around, so keep checking and be ready to grab your seat when the price is low.

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