Cheapest one-way flights from Boise to Seattle in October from $96

AirHint found the following cheapest one-way flights from Boise (BOI) to Seattle (SEA) in October 2025 (see full year).

One-Way flights

13 Oct Alaska Airlines direct

Also check the deals for return flights from Boise to Seattle in October.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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