Effective Nov. 2, more than 100 weekly flights - representing nearly 80 per cent of its seating capacity for the region - will be eliminated.
"It has become unviable to serve these markets and these decisions were regrettably inevitable as demand is being obliterated by the Atlantic bubble and third-party fee increases", WestJet president and CEO Ed Sims said.
Bell adds WestJet will continue to evaluate operations in Halifax and St. John's to determine how employees will be affected by a reduction in services in those communities. Service to Halifax and St. John's will be "significantly reduced".
Alicja Siekierska is a senior reporter at Yahoo Finance Canada.
WestJet is eliminating more than 100 flights weekly to Atlantic Canada.
WestJet typically used to transport about two million paying customers a month on its flights, but since the pandemic began in March, it has only sold about 1 million tickets, total.
"The lack of travel demand combined with domestic quarantines means that, sadly, we can no longer maintain our full Canadian network of service", Sims said in a video announcing the route suspensions.
The airline is also suspending operations between Toronto and Quebec City. The release confirmed the move will result in further layoffs at airports in Fredericton, Moncton, Sydney and Charlottetown.
In June, WestJet announced permanent layoffs to its workforce through its airport transformation and contact centre consolidation.
More than 70 per cent of the carrier's fleet remains grounded. Those services will operate with 14, nine and 11 weekly flights respectively.