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Nantucket

$251+ Cheap flights from Portland to Nantucket (PDX - 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — ACK
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap flight deals from Portland to Nantucket

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) 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 July 29, 2025.

Round-trip from

$251
(American Airlines)

Popular in

December

Cheapest in

February

Average price

$372
From Portland to Nantucket Memorial
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($59 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Portland to Nantucket

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 July 29, 2025.

This American Airlines deal was found by Cheapflights users on 7/27. 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 8/1911:59 pmPDX - ACK
2 stops12h 56mAmerican Airlines
Tue 8/261:41 pmACK - PDX
2 stops12h 39mAmerican Airlines
Deal found 7/27$251
This Delta deal was found by Cheapflights users on 7/27. 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 8/236:00 amPDX - ACK
2 stops29h 46mDelta
Wed 8/273:26 pmACK - PDX
1 stop9h 05mDelta
Deal found 7/27$413
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1110:50 pmPDX - ACK
1 stop9h 28mUnited Airlines
Mon 8/2510:30 amACK - PDX
2 stops12h 33mUnited Airlines
Deal found 7/27$667
This Mytrip deal was found by Cheapflights users on 7/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2912:07 pmPDX - ACK
3 stops23h 58mMultiple Airlines
Mon 10/68:30 pmACK - PDX
3 stops25h 34mMultiple Airlines
Deal found 7/28$1,045

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 2,558,603 searches. Data last updated July 29, 2025.
Use the filters below to find and compare flights from Portland to Nantucket that are best for you.

Fly from

Portland

Fly to

Nantucket

Route

Depart

Return

Price

PortlandNantucket

PDX - ACK

PDXACK

Portland

Tue 8/19

11:59 pm-3:55 pm

2 stops12h 56m

Nantucket Memorial

Tue 8/26

1:41 pm-11:20 pm

2 stops12h 39m

$251

PortlandNantucket

PDX - ACK

PDXACK

Portland

Sat 8/23

6:00 am-2:46 pm

2 stops29h 46m

Nantucket Memorial

Wed 8/27

3:26 pm-9:31 pm

1 stop9h 05m

$413

PortlandNantucket

PDX - ACK

PDXACK

Portland

Mon 8/11

10:50 pm-11:18 am

1 stop9h 28m

Nantucket Memorial

Mon 8/25

10:30 am-8:03 pm

2 stops12h 33m

$667

PortlandNantucket

PDX - ACK

PDXACK

Portland

Mon 9/29

12:07 pm-3:05 pm

3 stops23h 58m

Nantucket Memorial

Mon 10/6

8:30 pm-7:04 pm

3 stops25h 34m

$1,045

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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.
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.

Reviews of airlines servicing Nantucket

Get insights into the airlines that provide service to Nantucket. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Nantucket. Reviews last updated July 29, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Portland to Nantucket. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,979 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,979 reviews
Delta
8.0
Very good
7,979 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,979 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,979 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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

  • What are the cheapest airlines flying from Portland to Nantucket round-trip?

    Currently priced at $251, American Airlines will fly you from Portland to Nantucket and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from $413 and $667, respectively.

  • 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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