Which airline flies the most flights to BOI? The top airline carrier flying out of Boise ID is Alaska Airlines and they fly over 718 flights every month.
- Frontier Airlines - Boise (BOI) to Denver (DEN) on 4/11 leaving at 7:42 pm and returning on 4/13 at 6:57 pm for only $82 per person.*
- Alaska Airlines - Boise (BOI) to Seattle (SEA) on 4/10 leaving at 2:40 pm and returning on 4/12 at 8:05 am for only $142 per person.*
- Alaska Airlines - Boise (BOI) to Dallas (DFW) on 4/3 leaving at 4:15 am and returning on 4/6 at 9:50 pm for only $258 per person.*
*Prices vary and will be updated when you view current flight availability results. Deals displayed here are based on flight pricing and availability as of 03/20/2018 and may change as you get closer to the actual flight date. Deals displayed whose dates are in the past are no longer valid.