Which airline flies the most flights to PSC? The top airline carrier flying out of Tri Cities is Alaska Airlines and they fly over 869 flights every month.
- Alaska Airlines - Tri Cities (PSC) to Los Angeles (LAX) on 6/8 leaving at 2:47 pm and returning on 6/10 at 2:07 pm for only $226 per person.*
- Alaska Airlines - Tri Cities (PSC) to San Francisco (SFO) on 6/12 leaving at 4:59 pm and returning on 6/14 at 10:32 am for only $228 per person.*
- Delta - Tri Cities (PSC) to Chicago (ORD) on 5/29 leaving at 1:05 pm and returning on 6/1 at 11:53 pm for only $379 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 05/19/2018 and may change as you get closer to the actual flight date. Deals displayed whose dates are in the past are no longer valid.