Which airline flies the most flights to SAT? The top airline carrier flying out of San Antonio Intl. is Delta Air Lines and they fly over 1,046 flights every month. What are the cheapest flights from SAT? San Antonio has a lot of discount flights in the month of April. Check out these great deals on flights from SAT:
- United - San Antonio (SAT) to Houston (IAH) leaving on 5/5 at 5:23 pm and returning on 5/6 at 3:47 pm for only $212 per person.*
- Frontier Airlines - San Antonio (SAT) to Phoenix (PHX) on 5/2 leaving at 7:00 pm and returning on 5/3 at 8:19 am for only $109 per person.*
- Frontier Airlines - San Antonio (SAT) to Orlando (MCO) on 5/8 leaving at 9:05 am and returning on 5/11 at 6:15 pm for only $136 per person.*
- Frontier Airlines - San Antonio (SAT) to San Diego (SAN) on 5/11 leaving at 9:05 am and returning on 5/13 at 3:40 pm for only $160 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 04/21/2018 and may change as you get closer to the actual flight date. Deals displayed whose dates are in the past are no longer valid.