Which airline flies the most flights to SJU? The top airline carrier flying out of Luis Munoz Marin Intl. is American Airlines and they fly over 760 flights every month.
- Frontier Airlines - San Juan (SJU) to Atlanta (ATL) on 4/24 leaving at 1:33 pm and returning on 4/26 at 12:33 pm for only $128 per person.*
- Frontier Airlines - San Juan (SJU) to Miami (MIA) on 5/4 leaving at 2:00 am and returning on 5/7 at 10:09 pm for only $128 per person.*
- Frontier Airlines - San Juan (SJU) to Chicago (ORD) on 4/24 leaving at 11:32 pm and returning on 4/27 at 12:28 am for only $219 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 Deals displayed whose dates are in the past are no longer valid.