Jet2holidays is extending the suspension of flights and city break packages to Amsterdam and Budapest.
The company blamed the continued Covid-19 pandemic for the cancellations and is offering full refunds.
Leeds-Bradford departures to Amsterdam are being cancelled up to October 19, with flights set to resume on October 22.
Flights from Birmingham to Budapest are cancelled until September 14. The programme is due to restart from September 18.
However, in a communication to travel agents the company said that Jet2CityBreaks would resume tomorrow (Thursday) to destinations including Krakow, Naples, Paris, Prague, Rome and Venice from selected UK airports.
Krakow and Rome will be served from Birmingham, Glasgow, Leeds-Bradford, Manchester and Newcastle.
Flights to Budapest and Naples will run from Leeds Bradford and Manchester; Paris from Leeds Bradford; Prague from Birmingham and Venice from Manchester.
