Cheap Flights from Idaho Falls to Boise

Compare Idaho Falls to Boise flight deals

Find the cheapest month or even day of the year to fly to Boise

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Flight deals from Idaho Falls to Boise

Looking for a cheap last-minute deal or the best return flight from Idaho Falls Airport to Boise Airport? If you want to travel next month, return fares start from $633. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Idaho Falls to Boise

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Idaho Falls to Boise flights are currently cheapest in June.

Idaho Falls to Boise: Alternative routes

Compare routes from Idaho Falls to Boise below. You may find an airport to fly into that's cheaper, faster, or easier than Boise.

Idaho Falls to Boise: Flight information

The things to know before you go.
Cheapest flight found$633
Cheapest month to flyJune

Finding cheap flights from Idaho Falls to Boise: Frequently asked questions

The best price we found for a return flight from Idaho Falls to Boise is $633. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Idaho Falls to Boise. But we found flights with one or more stops from $633.
As of May 2026, there are no flights flying from Idaho Falls to Boise.
The cheapest month to fly from Idaho Falls to Boise is usually June.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Idaho Falls Airport to Boise Airport on Tuesday, 9 June 2026.
No airlines currently offer direct flights between Idaho Falls Airport and Boise Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Boise but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Boise is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Delta offers the cheapest flight tickets to Boise.

Travelling from Idaho Falls Regional Airport (IDA) to Boise Air Terminal (Gowen Field) Airport (BOI): what you need to know

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are tried-and-true travel tips. Make sure you're at the airport on time to board your IDA to BOI flight.

  • Flying during a peak month such as July? Public holidays and other popular seasons can mean longer lines and delays at airport checkpoints. Play things extra safe and arrive up to four hours ahead of an international flight and two hours before a domestic departure.

  • If you want to break up your flight, just uncheck 'Direct flights only' when searching for your ticket from Idaho Falls Regional Airport to Boise Air Terminal (Gowen Field) Airport. Here are the most popular stopovers between IDA and BOI:

    • Salt Lake City International Airport

    • Phoenix Sky Harbour International Airport

    • Phoenix-Mesa Gateway Airport

How to find the cheapest flights from Idaho Falls Regional Airport (IDA) to Boise Air Terminal (Gowen Field) Airport (BOI)

  • Right now, $300 is the cheapest price we've seen for a one-way Idaho Falls Regional Airport to Boise Air Terminal (Gowen Field) Airport flight. The best price for a return ticket is $633. Remember that fares could change due to availability at the time of booking.

  • To find cheap tickets from IDA to BOI, book early. Airlines usually offer their most competitively priced fares when flights are first made available.

  • The 'Whole month' search function shows you the cheapest flights from Idaho Falls Regional Airport to Boise Air Terminal (Gowen Field) Airport throughout the entire month. It's a good way to find a bargain if your plans are flexible.

  • You don't need to check every day to find out if fares have gone down when you create a Price Alert. We'll send you an update the moment the price changes on cheap flights from IDA to BOI.

  • Discover the ideal flight for you by using the filters. To see the 'Fastest,' 'Best' or 'Cheapest' flights from Idaho Falls Regional Airport to Boise Air Terminal (Gowen Field) Airport, use the 'Sort by' function. You can also filter by airline, departure and arrival times, and journey duration.

Handy information about Idaho Falls Regional Airport (IDA)

  • You'll find IDA at 2140 North Skyline.

  • Idaho Falls Regional Airport gets top marks for on-time performance. 80.03% of flights that depart IDA reach their destination on time.

  • To get to Idaho Falls Regional Airport from central Idaho Falls, it'll take about 10 minutes if you're travelling by car. Of course, this depends on traffic conditions. It's approximately 5 kilometres from the airport to the city centre.

  • The journey on public transport takes roughly 1 hour.

  • Get your journey off to a relaxed start by staying near IDA. Whether you're boarding an early flight from Idaho Falls Regional Airport to Boise Air Terminal (Gowen Field) Airport or just don't like being rushed, these hotels are ideal:

Arriving at Boise Air Terminal (Gowen Field) Airport (BOI)

Getting from Boise Air Terminal (Gowen Field) Airport (BOI) to central Boise

  • BOI is located at 3201 Airport Way.

  • Boise Air Terminal (Gowen Field) Airport to central Boise has a drive time of about 20 minutes. It's approximately 18 kilometres away.

  • It takes around 1 hour 35 minutes if you're travelling on public transport.

When to fly to Boise Air Terminal (Gowen Field) Airport (BOI)

  • July is the busiest month for flights from Idaho Falls Regional Airport to Boise Air Terminal (Gowen Field) Airport. For a quieter experience, travel to Boise in May.

  • Before locking in your flight from Idaho Falls Regional Airport to Boise Air Terminal (Gowen Field) Airport, think about the kind of weather you like. July is the warmest month in Boise, with temperatures ranging from 15ºC to 35ºC.

  • If you like travelling in cooler conditions, look for a cheap ticket from IDA to BOI in January. Temperatures average between -11ºC and 5ºC then.

Explore more of United States

  • Boise has plenty going for it, but there are so many other parts of United States just waiting to be explored. About 467 kilometres north of Boise, a trip to Spokane will keep your itinerary busy. Start with leading sights like Manito Park, Northwest Museum of Arts & Culture and Spokane Falls.

  • Around 483 kilometres south-east of Boise, Salt Lake City is another favourite stop in United States. Experience major highlights starting with Temple Square, Utah State Capitol and Red Butte Garden.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.