Alaska Airlines Flights from Idaho Falls to Seattle
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1 Passenger
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Lowest fares from Idaho Falls to Seattle
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One-way low-fare flights Idaho Falls to Seattle.*
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From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Idaho Falls (IDA) | Seattle (SEA) | One-way | Saver | Depart: Oct 3, 2025 | From $82 Seen: 17 hours ago | |
| Idaho Falls (IDA) | Seattle (SEA) | One-way | Saver | Depart: Nov 14, 2025 | From $109 Seen: 1 day ago | |
| Idaho Falls (IDA) | Seattle (SEA) | One-way | Saver | Depart: Aug 3, 2025 | From $119 Seen: 1 day ago | |
| Idaho Falls (IDA) | Seattle (SEA) | One-way | Saver | Depart: Jun 26, 2025 | From $119 Seen: 22 hours ago | |
| Idaho Falls (IDA) | Seattle (SEA) | One-way | Saver | Depart: Jun 21, 2025 | From $119 Seen: 19 hours ago | |
| Idaho Falls (IDA) | Seattle (SEA) | One-way | Saver | Depart: Jul 27, 2025 | From $119 Seen: 1 day ago | |
| Idaho Falls (IDA) | Seattle (SEA) | One-way | Saver | Depart: Jun 18, 2025 | From $119 Seen: 22 hours ago | |
| Idaho Falls (IDA) | Seattle (SEA) | One-way | Saver | Depart: Jun 30, 2025 | From $149 Seen: 17 hours ago |
*Prices have been available for one-way trips within the last 48 hours and may not be currently available. Fares listed may be Saver fares which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.
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