Cheapest one-way flights from Boise to Seattle in February from $107

AirHint found the following cheapest one-way flights from Boise (BOI) to Seattle (SEA) in February 2026 (see full year).

One-Way flights

27 Feb Frontier Airlines
27 Feb Alaska Airlines direct
24 Feb Alaska Airlines direct
20 Feb Alaska Airlines direct
18 Feb Alaska Airlines direct

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

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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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