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: May 20, 2025 | From $99 Seen: 1 hour ago | |
| Idaho Falls (IDA) | Seattle (SEA) | One-way | Saver | Depart: Jun 4, 2025 | From $99 Seen: 1 day ago | |
| Idaho Falls (IDA) | Seattle (SEA) | One-way | Saver | Depart: May 21, 2025 | From $99 Seen: 5 hours ago | |
| Idaho Falls (IDA) | Seattle (SEA) | One-way | Saver | Depart: May 28, 2025 | From $99 Seen: 1 day ago | |
| Idaho Falls (IDA) | Seattle (SEA) | One-way | Saver | Depart: Jun 14, 2025 | From $109 Seen: 1 day ago | |
| Idaho Falls (IDA) | Seattle (SEA) | One-way | Saver | Depart: May 22, 2025 | From $109 Seen: 1 day ago | |
| Idaho Falls (IDA) | Seattle (SEA) | One-way | Saver | Depart: May 17, 2025 | From $109 Seen: 1 day ago | |
| Idaho Falls (IDA) | Seattle (SEA) | One-way | Saver | Depart: May 24, 2025 | From $109 Seen: 1 day 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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