HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Nantucket Island

$295+ Cheap flights from Portland (PDX) to Nantucket Island

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — ACK
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to Nantucket Island with Cheapflights

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 Island

Keep the following information in mind while searching for Portland to Nantucket Island flight deals. Data was last updated August 14, 2025.

Round-trip from

$409
(American Airlines)

One-way from

$295
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$327
From Portland to Nantucket Island
Search Deals
One-way flight from Portland to Nantucket Island
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($65 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from Portland to Nantucket Island

Cheapest flights from Portland to Nantucket Island
Explore the most affordable flight options available from Portland to Nantucket Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This American Airlines deal was found by Cheapflights users on 8/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1911:01 pmPDX - ACK
2 stops9h 53mAmerican Airlines
Tue 8/261:41 pmACK - PDX
2 stops12h 39mAmerican Airlines
Deal found 8/12$414
This American Airlines deal was found by Cheapflights users on 8/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2611:59 pmPDX - ACK
2 stops12h 56mAmerican Airlines
Thu 8/284:25 pmACK - PDX
1 stop8h 39mAmerican Airlines
Deal found 8/12$533
This Delta deal was found by Cheapflights users on 8/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2511:10 pmPDX - ACK
2 stops13h 59mDelta
Thu 8/283:26 pmACK - PDX
1 stop9h 05mDelta
Deal found 8/12$578
This American Airlines deal was found by Cheapflights users on 8/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2311:59 pmPDX - ACK
2 stops13h 37mAmerican Airlines
Wed 8/274:25 pmACK - PDX
1 stop8h 39mAmerican Airlines
Deal found 8/12$618
This Delta deal was found by Cheapflights users on 8/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/231:51 pmPDX - ACK
2 stops21h 55mDelta
Wed 8/273:26 pmACK - PDX
1 stop9h 05mDelta
Deal found 8/11$626

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Nantucket Island 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 2,558,603 searches. Data last updated August 14, 2025.
Use the filters below to find and compare flights from Portland to Nantucket Island that are best for you.

Fly from

Portland

Fly to

Nantucket Island

Route

Depart

Return

Price

PortlandNantucket

PDX - ACK

PDXACK

Portland

Tue 8/19

11:01 pm-11:54 am

2 stops9h 53m

Nantucket Memorial

Tue 8/26

1:41 pm-11:20 pm

2 stops12h 39m

$414

PortlandNantucket

PDX - ACK

PDXACK

Portland

Tue 8/26

11:59 pm-3:55 pm

2 stops12h 56m

Nantucket Memorial

Thu 8/28

4:25 pm-10:04 pm

1 stop8h 39m

$533

PortlandNantucket

PDX - ACK

PDXACK

Portland

Mon 8/25

11:10 pm-4:09 pm

2 stops13h 59m

Nantucket Memorial

Thu 8/28

3:26 pm-9:31 pm

1 stop9h 05m

$578

PortlandNantucket

PDX - ACK

PDXACK

Portland

Sat 8/23

11:59 pm-4:36 pm

2 stops13h 37m

Nantucket Memorial

Wed 8/27

4:25 pm-10:04 pm

1 stop8h 39m

$618

PortlandNantucket

PDX - ACK

PDXACK

Portland

Sat 8/23

1:51 pm-2:46 pm

2 stops21h 55m

Nantucket Memorial

Wed 8/27

3:26 pm-9:31 pm

1 stop9h 05m

$626

PortlandNantucket

PDX - ACK

PDXACK

Portland

Thu 8/21

9:52 pm-3:55 pm

2 stops15h 03m

$309

PortlandNantucket

PDX - ACK

PDXACK

Portland

Thu 8/21

5:07 pm-11:03 am

3 stops38h 56m

$469

PortlandNantucket

PDX - ACK

PDXACK

Portland

Wed 8/20

12:46 am-2:46 pm

2 stops11h 00m

$530

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Best time to book a flight from Portland to Nantucket Island

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

Cheapflights Insights

Everything you need to know about your flight from Portland to Nantucket Island
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Portland to Nantucket Island. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Portland to Nantucket Island?

    For a flight from Portland to Nantucket Island, you will be flying from Portland. Portland (PDX) is just 6.0 mi from the center of the city.

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

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

  • How can I find direct flights from Portland to Nantucket Island?

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

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

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

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.