Find a great deal and save up to 74% by booking at least 47 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Bristol to Portland, Maine within the next two weeks, with the cheapest ticket starting at £618.
Due to multiple factors, expect to potentially pay more when booking in July. For low rates, February can be a great choice for travel to Portland, Maine. Flights to Portland, Maine from Bristol in February are about £484 on average during February, but can be found for as low as £363.
When flying from Bristol to Portland, Maine, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.