$119 Cheap Flights from Idaho Falls to Boise
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Flights from Idaho Falls to Boise
Cheap flight deals from Idaho Falls to Boise Starting at $119
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
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IDA 4:11 PM6h 30m1 stopsBOI 10:41 PMIdaho Falls - Boise | Wed, Apr 16 | Alaska Airlines
BOI 6:41 PM3h 55m1 stopsIDA 10:36 PMBoise - Idaho Falls | Wed, Apr 23 | Alaska Airlines$237 $33428% OFF28% OFF$334 $237 -
IDA 8:00 AM5h 52m1 stopsBOI 1:52 PMIdaho Falls - Boise | Wed, Apr 16 | Hawaiian Airlines
BOI 11:10 AM4h 48m1 stopsIDA 3:58 PMBoise - Idaho Falls | Wed, Apr 23 | Hawaiian Airlines$244 $33427% OFF27% OFF$334 $244 -
IDA 6:55 PM5h 14m1 stopsBOI 12:09 AMIdaho Falls - Boise | Wed, Apr 16 | Delta Air Lines
BOI 6:15 AM6h 11m1 stopsIDA 12:26 PMBoise - Idaho Falls | Wed, Apr 23 | Delta Air Lines$247 $33426% OFF26% OFF$334 $247 -
IDA 8:00 AM4h 32m1 stopsBOI 12:32 PMIdaho Falls - Boise | Tue, Apr 1 | Alaska Airlines
BOI 5:00 PM5h 35m1 stopsIDA 10:35 PMBoise - Idaho Falls | Mon, Apr 7 | Alaska Airlines$27817% OFF$334 $278
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IDA 8:00 AM14h 41m1 stopsBOI 10:41 PMIdaho Falls - Boise | Wed, Mar 26 | Alaska Airlines
BOI 5:00 PM5h 35m1 stopsIDA 10:35 PMBoise - Idaho Falls | Tue, Apr 1 | Alaska Airlines$28714% OFF$334 $287
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IDA 8:00 AM4h 32m1 stopsBOI 12:32 PMIdaho Falls - Boise | Thu, Mar 27 | Alaska Airlines
BOI 11:29 AM4h 5m1 stopsIDA 3:34 PMBoise - Idaho Falls | Wed, Apr 2 | Alaska Airlines$28814% OFF$334 $288
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IDA 4:35 PM7h 15m1 stopsBOI 11:50 PMIdaho Falls - Boise | Thu, May 1 | Hawaiian Airlines
BOI 11:10 AM4h 48m1 stopsIDA 3:58 PMBoise - Idaho Falls | Thu, May 8 | Hawaiian Airlines$30110% OFF$334 $301
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IDA 6:00 AM6h 22m1 stopsBOI 12:22 PMIdaho Falls - Boise | Fri, May 16 | Alaska Airlines
BOI 6:37 AM9h 3m1 stopsIDA 3:40 PMBoise - Idaho Falls | Sun, May 18 | Alaska Airlines$30110% OFF$334 $301
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IDA 8:00 AM5h 52m1 stopsBOI 1:52 PMIdaho Falls - Boise | Sat, Mar 29 | Alaska Airlines
BOI 5:00 PM5h 35m1 stopsIDA 10:35 PMBoise - Idaho Falls | Fri, Apr 4 | Alaska Airlines$30210% OFF$334 $302
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IDA 8:00 AM5h 52m1 stopsBOI 1:52 PMIdaho Falls - Boise | Sat, Mar 29 | Hawaiian Airlines
BOI 6:18 PM4h 17m1 stopsIDA 10:35 PMBoise - Idaho Falls | Sat, Apr 5 | Hawaiian Airlines$3049% OFF$334 $304
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IDA 1:00 PM17h 25m1 stopsBOI Invalid DateIdaho Falls - Boise | Mon, Mar 24 | Normal Airline
BOI 3:00 PM6hNonstopIDA 4:00 PMBoise - Idaho Falls | Wed, Mar 26 | Normal AirlineFind More FlightsFind More Flights
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IDA 8:00 AM5h 52m1 stopsBOI 1:52 PMIdaho Falls - Boise | Tue, Apr 8 | Alaska Airlines$119 $19639% OFF39% OFF$196 $119
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IDA 6:55 PM5h 18m1 stopsBOI 12:13 AMIdaho Falls - Boise | Wed, Apr 2 | Delta Air Lines$122 $19638% OFF38% OFF$196 $122
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IDA 8:00 AM5h 52m1 stopsBOI 1:52 PMIdaho Falls - Boise | Sat, Mar 29 | Alaska Airlines$152 $19622% OFF22% OFF$196 $152
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IDA 8:00 AM5h 52m1 stopsBOI 1:52 PMIdaho Falls - Boise | Sat, Apr 19 | Alaska Airlines$15222% OFF$196 $152
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IDA 4:11 PM6h 30m1 stopsBOI 10:41 PMIdaho Falls - Boise | Fri, Apr 18 | Alaska Airlines$15422% OFF$196 $154
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IDA 8:00 AM5h 52m1 stopsBOI 1:52 PMIdaho Falls - Boise | Thu, Apr 3 | Alaska Airlines$15422% OFF$196 $154
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IDA 4:11 PM4h 8m1 stopsBOI 8:19 PMIdaho Falls - Boise | Sat, Apr 5 | Alaska Airlines$15521% OFF$196 $155
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IDA 6:55 PM5h 14m1 stopsBOI 12:09 AMIdaho Falls - Boise | Fri, Apr 18 | Delta Air Lines$15620% OFF$196 $156
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IDA 8:00 AM8h 20m1 stopsBOI 4:20 PMIdaho Falls - Boise | Wed, Apr 2 | Alaska Airlines$17710% OFF$196 $177
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IDA 6:00 AM6h 16m1 stopsBOI 12:16 PMIdaho Falls - Boise | Fri, Apr 25 | Alaska Airlines$1789% OFF$196 $178
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IDA 1:00 PM17h 25m1 stopsBOI Invalid DateIdaho Falls - Boise | Mon, Mar 24 | Normal AirlineFind More FlightsFind More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
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Frequently Asked Questions
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When are flight tickets from Idaho Falls (IDA) to Boise (BOI) the cheapest?
Airlines adjust prices for flights from Idaho Falls to Boise based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much do flights from Idaho Falls (IDA) to Boise (BOI) cost?
According to Trip.com's data, the lowest price is around $425. -
What is the transportation method from the main airport to downtown in Boise?
- The distance from Boise Airport to downtown is about 7 km. It takes about 20 minutes by taxi.
How to find a cheap flight from Idaho Falls to Boise
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Idaho Falls to Boise. Book your flights at the right time and save more.
Be flexible with your travel dates to get the cheapest Idaho Falls to Boise ticket.
Tap "Date" in the flight search bar to browse the calendar and find airfare from Idaho Falls to Boise for the next six months in 2025. If you're looking to fly within the next three months, the lowest fare is $119 for a one-way ticket on Tue, Apr 8.
Compare cheap Idaho Falls to Boise flight deals from hundreds of airlines.
Our powerful search system compares prices from over 500 airlines. So you can find the cheapest flights from Idaho Falls to Boise. The most affordable airline currently operating on this route is Alaska Airlines.
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Book early or wait unitl the last minute to fine the best fares.
It's always better to book early! Airlines typically release their lowest fares about a year before departure, so check as soon as flights become available. If you miss that window, you may still find great deals closer to your travel date.
Search for flights on the go.
For the best booking experience on the go, download Trip.com and search for cheap flights from Idaho Falls to Boise to access exclusive deals just for you.
Flight Info | Idaho Falls to Boise
| Cheapest one-way flight price | $119 |
|---|---|
| Off-season for travel | February |
| Peak season for travel | December |
| Flight distance | 334.68 km |
| Popular airline | Delta Air Lines |
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