Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Shannon to London, Ontario as you normally would.
Information is based on travel restrictions from Shannon to London
Most visitors from Shannon need to provide a negative COVID-19 test result and/or quarantine to enter London.
COVID-19 testing requirements
Visitors from Shannon must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to London.
Quarantine requirements
Visitors from Shannon are not required to quarantine after entering London.
Returning to Shannon from London
COVID-19 testing requirements
Visitors from London are not required to present a negative COVID-19 PCR test or antigen result upon entering Shannon.
Quarantine requirements
Visitors from London are not required to quarantine after entering Shannon.