Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Shannon to St. Louis as you normally would.
Information is based on travel restrictions from Shannon to Lambert-St Louis
Most visitors from Shannon need to provide a negative COVID-19 test result and/or quarantine to enter Lambert-St Louis.
COVID-19 testing requirements
Visitors from Shannon are not required to present a negative COVID-19 PCR test or antigen result upon entering Lambert-St Louis.
Quarantine requirements
Visitors from Shannon are not required to quarantine after entering Lambert-St Louis.
Returning to Shannon from Lambert-St Louis
COVID-19 testing requirements
Visitors from Lambert-St Louis are not required to present a negative COVID-19 PCR test or antigen result upon entering Shannon.
Quarantine requirements
Visitors from Lambert-St Louis are not required to quarantine after entering Shannon.