Air Transat has updated their policy for changes due to Coronavirus.
A dedicated page which gives the most up to date information: https://www.airtransat.com/en-GB/travel-information-from-england/coronavirus
EFFECTIVE IMMEDIATELY, we are offering advance packages and flights only for customers who are currently at their destination and wish to return home earlier, with no fees and no price difference, subject to availability on our flights.
This applies to all Air Transat ticket holders regardless of their original return date.
For GDS bookings, please use the following waiver code COVIDCHG16MAR
As the situation is rapidly changing, Continue to recommend passengers to visit our dedicated page on our website to be informed on all changes and updates : https://www.airtransat.com/en-CA/travel-information/coronavirus