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