From 26 October, Flybe will operate 25 weekly services between Manchester and Exeter.
It is adding a fourth flight every weekday and a third Sunday service.
The extra weekday flights will depart Manchester at 10:40 and arrive in Exeter at 11:40. The return flights will take-off from Exeter at 12:20 and lands in Manchester again at 13:30.
The new Sunday service will depart Manchester at 11:50 and arrive in Exeter at 12:50. The return flight will leave Exeter at 13:15 and land in Manchester at 14:25.