Monday flights are generally found to be more expensive for flights from Grimsby to Seattle. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Seattle.
When flying from Grimsby to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Information is based on travel restrictions from Grimsby Humberside to Seattle/Tacoma Intl
Most visitors from Grimsby Humberside need to provide a negative COVID-19 test result and/or quarantine to enter Seattle/Tacoma Intl.
COVID-19 testing requirements
Visitors from Grimsby Humberside 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 Seattle/Tacoma Intl.
Quarantine requirements
Visitors from Grimsby Humberside are not required to quarantine after entering Seattle/Tacoma Intl.
Returning to Grimsby Humberside from Seattle/Tacoma Intl
COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl are not required to present a negative COVID-19 PCR test or antigen result upon entering Grimsby Humberside.
Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering Grimsby Humberside.