Which airline flies the most flights to COS? The top airline carrier flying out of Colorado Springs CO is American Airlines and they fly over 743 flights every month. What are the cheapest flights from COS? Colorado Springs has a lot of discount flights in the month of May. Check out these great deals on flights from COS:
- United - Colorado Springs (COS) to San Francisco (SFO) leaving on 5/26 at 5:15 pm and returning on 5/28 at 7:43 pm for only $332 per person.*
- Frontier Airlines - Colorado Springs (COS) to Las Vegas (LAS) on 6/13 leaving at 5:58 pm and returning on 6/14 at 10:51 am for only $122 per person.*
- Frontier Airlines - Colorado Springs (COS) to Seattle (SEA) on 6/12 leaving at 12:25 pm and returning on 6/15 at 7:17 pm for only $149 per person.*
- Frontier Airlines - Colorado Springs (COS) to Chicago (ORD) on 6/13 leaving at 8:05 pm and returning on 6/14 at 11:36 am for only $199 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 Deals displayed whose dates are in the past are no longer valid.