Alaska Airlines Flights from Idaho Falls to Boise
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1 Passenger
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Lowest fares from Idaho Falls to Boise
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One-way low-fare flights Idaho Falls to Boise.*
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From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Idaho Falls (IDA) | Boise (BOI) | One-way | Saver | Depart: May 16, 2026 | From $170 Seen: 2 hours ago | |
| Idaho Falls (IDA) | Boise (BOI) | One-way | Saver | Depart: May 18, 2026 | From $216 Seen: 2 hours ago | |
| Idaho Falls (IDA) | Boise (BOI) | One-way | Saver | Depart: May 14, 2026 | From $248 Seen: 2 hours ago | |
| Idaho Falls (IDA) | Boise (BOI) | One-way | Saver | Depart: May 15, 2026 | From $248 Seen: 2 hours ago | |
| Idaho Falls (IDA) | Boise (BOI) | One-way | Saver | Depart: May 13, 2026 | From $262 Seen: 2 hours ago | |
| Idaho Falls (IDA) | Boise (BOI) | One-way | Saver | Depart: May 17, 2026 | From $278 Seen: 2 hours ago |
*Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.