$208 Find Cheap Flights from Portland to Nantucket Island - Compare and Save

The cheapest time of day to fly to Nantucket Island is generally in the afternoon, when round-trip flights cost $370 on average. The most expensive time of day to fly to Nantucket Island is generally in the morning, which is peak travel time and where the average cost of a ticket is $524.

No, with an average price for the route of $410, prices are generally cheapest when you fly direct.

When flying from Portland to Nantucket Island, you should consider leaving on a Tuesday and avoid Sundays if you are looking for the best rates. For your return to Portland, you’ll find the best rates on Thursdays and the most expensive ones on Saturdays.

To get a below average price on the flight from Portland to Nantucket Island, you should book around 3 weeks before departure, which saves you about 33% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 26 weeks before departure.

Portland and Nantucket Island are connected by different airlines. The airlines that fly that route the most regularly are Alaska Airlines (18 flights per week), JetBlue (12 flights per week), and Qatar Airways (11 flights per week).

In the past 5 days, the cheapest round-trip tickets from Portland to Nantucket Island were found on JetBlue ($370) and American Airlines ($411).

The earliest flight from Portland to Nantucket Island departs at 7:00 am, landing in Boston at 3:30 pm.

If you prefer to fly at night, the latest flight from Portland to Nantucket Island jets off at 11:42 pm and lands in Boston at 8:02 am.