$109 Cheap Flights from Philadelphia (PHL) to Nantucket (ACK)

View $109 flight on Wed, Jul 30, 2025Opens in a new window

Popular airlines from Philadelphia Intl. Airport (PHL) to Nantucket, MA (ACK-Nantucket Memorial)

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Cheap Flights from Philadelphia to Nantucket (PHL-ACK)

Prices were available within the past 7 days and start at $109 for one-way flights and $198 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Mon, Sep 29 - Thu, Oct 16
PHL
Philadelphia
ACK
Nantucket
$198 Roundtrip, found 1 hour ago
$198
Roundtrip
found 1 hour ago
Select JetBlue Airways flight, departing Mon, Sep 29 from Philadelphia to Nantucket, returning Thu, Oct 16, priced at $198 found 1 hour ago
JetBlue Airways
Tue, Sep 2 - Wed, Sep 3
PHL
Philadelphia
ACK
Nantucket
$218 Roundtrip, found 2 days ago
$218
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Tue, Sep 2 from Philadelphia to Nantucket, returning Wed, Sep 3, priced at $218 found 2 days ago
JetBlue Airways
Mon, Sep 29 - Sat, Oct 18
PHL
Philadelphia
ACK
Nantucket
$224 Roundtrip, found 1 hour ago
$224
Roundtrip
found 1 hour ago
Select JetBlue Airways flight, departing Mon, Sep 29 from Philadelphia to Nantucket, returning Sat, Oct 18, priced at $224 found 1 hour ago
JetBlue Airways
Sun, Oct 12 - Mon, Oct 13
PHL
Philadelphia
ACK
Nantucket
$244 Roundtrip, found 5 days ago
$244
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Sun, Oct 12 from Philadelphia to Nantucket, returning Mon, Oct 13, priced at $244 found 5 days ago
JetBlue Airways
Wed, Oct 1 - Sat, Oct 18
PHL
Philadelphia
ACK
Nantucket
$250 Roundtrip, found 1 hour ago
$250
Roundtrip
found 1 hour ago
Select JetBlue Airways flight, departing Wed, Oct 1 from Philadelphia to Nantucket, returning Sat, Oct 18, priced at $250 found 1 hour ago
JetBlue Airways
Wed, Aug 20 - Wed, Sep 3
PHL
Philadelphia
ACK
Nantucket
$254 Roundtrip, found 23 hours ago
$254
Roundtrip
found 23 hours ago
Select JetBlue Airways flight, departing Wed, Aug 20 from Philadelphia to Nantucket, returning Wed, Sep 3, priced at $254 found 23 hours ago
JetBlue Airways
Thu, Oct 2 - Thu, Oct 16
PHL
Philadelphia
ACK
Nantucket
$255 Roundtrip, found 1 hour ago
$255
Roundtrip
found 1 hour ago
Select JetBlue Airways flight, departing Thu, Oct 2 from Philadelphia to Nantucket, returning Thu, Oct 16, priced at $255 found 1 hour ago
American Airlines
Fri, Aug 22 - Fri, Sep 5
PHL
Philadelphia
ACK
Nantucket
$300 Roundtrip, found 2 days ago
$300
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Aug 22 from Philadelphia to Nantucket, returning Fri, Sep 5, priced at $300 found 2 days ago
Delta
Wed, Aug 13 - Tue, Aug 26
PHL
Philadelphia
ACK
Nantucket
$353 Roundtrip, found 1 day ago
$353
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Aug 13 from Philadelphia to Nantucket, returning Tue, Aug 26, priced at $353 found 1 day ago
United
Sat, Jul 5 - Sat, Jul 12
PHL
Philadelphia
ACK
Nantucket
$490 Roundtrip, found 8 hours ago
$490
Roundtrip
found 8 hours ago
Select United flight, departing Sat, Jul 5 from Philadelphia to Nantucket, returning Sat, Jul 12, priced at $490 found 8 hours ago

Find the cheapest month to fly from Philadelphia (PHL) to Nantucket (ACK)

August is typically the cheapest month to fly

From $167 - $708 per traveler.

Graph displaying average flight prices per month

Alternative airports near Nantucket

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Martha's Vineyard MVY. Flights from $275
MVY
Martha's Vineyard
Flights from $275
Select flight to Barnstable Municipal HYA. Cheapest option available. Flights from $248
HYA
Barnstable Municipal
Cheapest
Flights from $248

Philadelphia to Nantucket Flights

The cheapest times to fly from Philadelphia to Nantucket

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Philadelphia to Nantucket are during the month of September. You can find some of the cheapest flights from Philadelphia to Nantucket with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Philadelphia to Nantucket

Sunday is one of the best days to book for cheap flights from Philadelphia to Nantucket: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Philadelphia to Nantucket

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Philadelphia to Nantucket in 2025. You can also book with separate airlines for your outbound and return journeys, from $109 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Philadelphia to Nantucket flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Philadelphia to Nantucket airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Philadelphia Intl. Airport (PHL) to Nantucket Memorial Airport (ACK) cost?
Score cheap return fares from Philadelphia Intl. Airport (PHL) to Nantucket Memorial Airport (ACK) starting at $351. Snag a seat and take off on your trip. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a American Airlines flight leaving PHL on July 23 2025 and touching down at ACK. The price was last updated on June 30 2025 and has not changed since.
What is the cheapest month to fly from PHL to ACK?
To land a cheap ticket, check for nonstop flights from PHL to ACK that depart in July. You can find a one-way American Airlines flight for $356 leaving on July 16 2025. This price is based on the cheapest direct flight found on Expedia for this route in the next 330 days. The price was last updated on June 30 2025 and remains unchanged.
What is the cheapest airline that flies from PHL to ACK?
With prices starting from $356 for a one-way journey from PHL to ACK, American Airlines is currently the cheapest airline on this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from PHL on July 16 2025. Prices were last updated on June 30 2025 and have not changed since.
How many flights per day from Philadelphia Intl. Airport (PHL) to Nantucket Memorial Airport (ACK)?
There are no daily direct flights departing from Philadelphia Intl. Airport (PHL) to Nantucket Memorial Airport (ACK). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from PHL to ACK?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Philadelphia Intl. Airport (PHL) to Nantucket Memorial Airport (ACK)?
To avoid potential delays on the Philadelphia Intl. Airport (PHL) to Nantucket Memorial Airport (ACK) route, aim to travel before 3 PM. Later flights are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Philadelphia Intl. Airport (PHL) to Nantucket Memorial Airport (ACK) last-minute?
Last-minute fares from PHL to ACK are typically more expensive. To secure the cheapest rates, start searching for flights as early as possible. That being said, if you can play around with your travel dates, it's possible to find a cheap fare just before your departure.
Is it cheaper to book a PHL to ACK flight and hotel package?
Securing a PHL to ACK flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Choose from our impressive range of stays and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Philadelphia Intl. Airport (PHL) to Nantucket Memorial Airport (ACK)?
It's usually possible to cancel or reschedule your PHL to ACK flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.