How long is the flight from Portland, Maine to Nantucket?

For as low as $696, JetBlue can have you in Nantucket from Portland, Maine in 4h 35m. Portland, Maine and Nantucket are separated by a distance of 166 mi.

In terms of precipitation, rainfall in Nantucket ranges from 1.6 - 4.3 inches per month. January is typically the wettest month, when rainfall can reach 4.3 in. June is typically the driest time to visit Nantucket when rainfall is around 1.6 in.

If weather is an important factor for your trip to Nantucket, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 32.0 F).

What is the cheapest time of day to fly from PWM to ACK?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portland, Maine to Nantucket as you normally would.

Most accurate provider : When it comes to deals on Portland, Maine-Nantucket flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Portland, Maine-Nantucket flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Portland, Maine-Nantucket flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Portland, Maine-Nantucket flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland, Maine-Nantucket flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Portland to Nantucket that include hotel bookings?

Yes. In addition to deals on Portland to Nantucket flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Portland to Nantucket?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Nantucket.

Can I find deals for business class flights from Portland to Nantucket?

Yes. Cheapflights offers flight deals from Portland to Nantucket by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$696+ Cheap Flights from Portland, ME to Nantucket

Q: E

Most trusted provider : When it comes to deals on Portland, Maine-Nantucket flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland, Maine-Nantucket flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Q: Can I find deals for flights from Portland to Nantucket that include hotel bookings?

Yes. In addition to deals on Portland to Nantucket flights, Cheapflights offers vacation packages that include both flights and hotel.

Q: How can I find direct flights from Portland to Nantucket?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Nantucket.

Q: Can I find deals for business class flights from Portland to Nantucket?

Yes. Cheapflights offers flight deals from Portland to Nantucket by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Cheap flight deals from Portland to Nantucket

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Cheapest flights from Portland to Nantucket
Explore the most affordable flight options available from Portland to Nantucket. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2026.

Wed 10/76:00 am -

1 stop4h 35m

Sun 10/1111:25 am -

1 stop12h 29m

Deal found 9/15

$696

Wed 10/76:00 am -

1 stop4h 35m

Sun 10/114:45 pm -

2 stops7h 09m

Deal found 9/15

$946

Find flight deals from Portland to Nantucket

Most accurate provider	Expedia 1 star
Most trusted provider	Expedia 3 stars
Round-trip from	$696 (Justfly.com)

Provider with most accurate pricing for Portland-Nantucket Memorial flight deals.

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PortlandNantucket

PWM Portland - ACK Nantucket Memorial

PWMACK

Portland

Wed 10/7

6:00 am-10:35 am

1 stop4h 35m

Nantucket Memorial

Sun 10/11

11:25 am-11:54 pm

1 stop12h 29m

$696

Quickest round-trip

PortlandNantucket

PWM Portland - ACK Nantucket Memorial

PWMACK

Portland

Wed 10/7

6:00 am-10:35 am

1 stop4h 35m

Nantucket Memorial

Sun 10/11

4:45 pm-11:54 pm

2 stops7h 09m

$946

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Sorted by cheapest first

Most accurate provider: When it comes to deals on Portland, Maine-Nantucket flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Portland, Maine-Nantucket flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Portland, Maine-Nantucket flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Portland, Maine-Nantucket flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland, Maine-Nantucket flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Nantucket

Have a flexible travel schedule? Discover the best time to fly to Nantucket from Portland with our price prediction graph.

PWM-ACK

Estimated round-trip price

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Related info for your journey

How long is the flight from Portland, Maine to Nantucket?
For as low as $696, JetBlue can have you in Nantucket from Portland, Maine in 4h 35m. Portland, Maine and Nantucket are separated by a distance of 166 mi.
Can I find deals for flights from Portland to Nantucket that include hotel bookings?
Yes. In addition to deals on Portland to Nantucket flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Portland to Nantucket?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Nantucket.
Can I find deals for business class flights from Portland to Nantucket?
Yes. Cheapflights offers flight deals from Portland to Nantucket by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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$696+ Cheap flights from Portland, ME to Nantucket (PWM - ACK)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/7. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Portland to Nantucket with Cheapflights

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Cheap flight deals from Portland to Nantucket

Cheapest flights from Portland to NantucketExplore the most affordable flight options available from Portland to Nantucket. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2026.

Explore the most affordable flight options available from Portland to Nantucket. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2026.

Best flights from Portland to NantucketDiscover carefully curated flight deals from Portland to Nantucket that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 19, 2026.

Discover carefully curated flight deals from Portland to Nantucket that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 19, 2026.

Last-minute flights from Portland to NantucketDiscover last-minute flight deals from Portland to Nantucket. Data last updated September 19, 2026 and is based on user searches.

Discover last-minute flight deals from Portland to Nantucket. Data last updated September 19, 2026 and is based on user searches.

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Related info for your journey

How long is the flight from Portland, Maine to Nantucket?

Can I find deals for flights from Portland to Nantucket that include hotel bookings?

How can I find direct flights from Portland to Nantucket?

Can I find deals for business class flights from Portland to Nantucket?

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Cheapest flights from Portland to Nantucket
Explore the most affordable flight options available from Portland to Nantucket. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2026.

Best flights from Portland to Nantucket
Discover carefully curated flight deals from Portland to Nantucket that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 19, 2026.

Last-minute flights from Portland to Nantucket
Discover last-minute flight deals from Portland to Nantucket. Data last updated September 19, 2026 and is based on user searches.