Which airline flies the most flights to MSO? The top airline carrier flying out of Missoula Intl. is Alaska Airlines and they fly over 319 flights every month.
- Delta - Missoula (MSO) to Los Angeles (LAX) on 4/10 leaving at 5:05 am and returning on 4/13 at 10:42 pm for only $218 per person.*
- Alaska Airlines - Missoula (MSO) to San Francisco (SFO) on 4/11 leaving at 6:55 pm and returning on 4/13 at 6:17 pm for only $255 per person.*
- Alaska Airlines - Missoula (MSO) to Chicago (ORD) on 4/11 leaving at 5:36 pm and returning on 4/13 at 6:17 pm for only $363 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 Deals displayed whose dates are in the past are no longer valid.