Cheapest one-way flights from Boise to Denver in February from $74

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

One-Way flights

27 Feb Frontier Airlines direct
22 Feb Frontier Airlines direct
20 Feb Frontier Airlines direct
23 Feb Allegiant Air
23 Feb United direct
28 Feb Alaska Airlines
28 Feb Southwest Airlines direct
13 Feb Frontier Airlines direct
15 Feb Frontier Airlines direct
16 Feb Alaska Airlines

Also check the deals for return flights from Boise to Denver 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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