From 15 October, the Gulf carrier will operate an additional three Manchester flights a week to its hub.
New 1.55pm flights will be added on Tuesdays, Thursdays and Saturdays.
Qatar’s existing twice-daily service will continue to depart at 8.10am and 2.25pm.
In total, Qatar is increasing frequencies on 13 routes, and will offer more than 650 weekly flights from Doha to more than 90 destinations.
The airline has also extended its flexible booking policies.
Passengers can now make unlimited date changes, and change their destination as often as they need if it is within 5,000 miles of the original destination.
