Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Grimsby to Portland as you normally would.
Flights from Grimsby to Portland are found to be more expensive on Sunday. 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 Portland.
KLM is one of the carriers that may have flexible change policies. You can use our site to filter for other airlines that may also have this kind of flexibility.
Flights from Grimsby Humberside to Portland have been viewed 11 times in the past calendar month.
Information is based on travel restrictions from Grimsby Humberside to Portland
Most visitors from Grimsby Humberside need to provide a negative COVID-19 test result and/or quarantine to enter Portland.
COVID-19 testing requirements
Visitors from Grimsby Humberside are not required to present a negative COVID-19 PCR test or antigen result upon entering Portland.
Quarantine requirements
Visitors from Grimsby Humberside are not required to quarantine after entering Portland.
Returning to Grimsby Humberside from Portland
COVID-19 testing requirements
Visitors from Portland are not required to present a negative COVID-19 PCR test or antigen result upon entering Grimsby Humberside.
Quarantine requirements
Visitors from Portland are not required to quarantine after entering Grimsby Humberside.