$1,193+ 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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — ACK
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Portland to Nantucket
Cheapest
Best
Last-minute
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 October 30, 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 October 30, 2026.
This Expedia deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:30 am -
2 stops8h 20m
Fri 11/139:20 am -
2 stops14h 23m
Deal found 10/25![Multiple Airlines logo]()
$1,193
This Expedia deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:30 am -
2 stops10h 30m
Sat 11/145:30 pm -
2 stops6h 13m
Deal found 10/26![Multiple Airlines logo]()
$1,311
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 October 30, 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 October 30, 2026.
This Expedia deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:30 am -
2 stops8h 20m
Fri 11/139:20 am -
2 stops14h 23m
Deal found 10/25![Multiple Airlines logo]()
$1,193
This Expedia deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:30 am -
2 stops10h 30m
Sat 11/145:30 pm -
2 stops6h 13m
Deal found 10/26![Multiple Airlines logo]()
$1,311
Last-minute flights from Portland to NantucketDiscover last-minute flight deals from Portland to Nantucket. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Nantucket. Data last updated October 30, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:30 am -
2 stops8h 20m
Fri 11/139:20 am -
2 stops14h 23m
Deal found 10/25![Multiple Airlines logo]()
$1,193
This Expedia deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:30 am -
2 stops10h 30m
Sat 11/145:30 pm -
2 stops6h 13m
Deal found 10/26![Multiple Airlines logo]()
$1,311
Find flight deals from Portland to Nantucket
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to Nantucket (ACK). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 30, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $1,193 (Expedia) |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Nantucket that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 30, 2026.
Use the filters below to find and compare flights from Portland to Nantucket that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandNantucket
PWM Portland - ACK Nantucket Memorial
PWMACK
Portland
Mon 11/9
6:30 am-2:50 pm
2 stops8h 20m
Nantucket Memorial
Fri 11/13
9:20 am-11:43 pm
2 stops14h 23m
$1,193
Quickest round-trip
PortlandNantucket
PWM Portland - ACK Nantucket Memorial
PWMACK
Portland
Tue 11/10
6:30 am-5:00 pm
2 stops10h 30m
Nantucket Memorial
Sat 11/14
5:30 pm-11:43 pm
2 stops6h 13m
$1,311
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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Related info for your journey
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