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

View $109 flight on Tue, Sep 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
Sat, Oct 4 - Tue, Oct 7
PHL
Philadelphia
ACK
Nantucket
$198 Roundtrip, just found
$198
Roundtrip
just found
Select JetBlue Airways flight, departing Sat, Oct 4 from Philadelphia to Nantucket, returning Tue, Oct 7, priced at $198 just found
JetBlue Airways
Mon, Oct 6 - Tue, Oct 7
PHL
Philadelphia
ACK
Nantucket
$218 Roundtrip, just found
$218
Roundtrip
just found
Select JetBlue Airways flight, departing Mon, Oct 6 from Philadelphia to Nantucket, returning Tue, Oct 7, priced at $218 just found
JetBlue Airways
Wed, Oct 1 - Mon, Oct 6
PHL
Philadelphia
ACK
Nantucket
$224 Roundtrip, found 14 hours ago
$224
Roundtrip
found 14 hours ago
Select JetBlue Airways flight, departing Wed, Oct 1 from Philadelphia to Nantucket, returning Mon, Oct 6, priced at $224 found 14 hours ago
JetBlue Airways
Wed, Sep 10 - Fri, Sep 12
PHL
Philadelphia
ACK
Nantucket
$244 Roundtrip, found 14 hours ago
$244
Roundtrip
found 14 hours ago
Select JetBlue Airways flight, departing Wed, Sep 10 from Philadelphia to Nantucket, returning Fri, Sep 12, priced at $244 found 14 hours ago
JetBlue Airways
Tue, Sep 9 - Fri, Sep 12
PHL
Philadelphia
ACK
Nantucket
$250 Roundtrip, found 4 days ago
$250
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Tue, Sep 9 from Philadelphia to Nantucket, returning Fri, Sep 12, priced at $250 found 4 days ago
JetBlue Airways
Mon, Oct 6 - Thu, Oct 9
PHL
Philadelphia
ACK
Nantucket
$255 Roundtrip, just found
$255
Roundtrip
just found
Select JetBlue Airways flight, departing Mon, Oct 6 from Philadelphia to Nantucket, returning Thu, Oct 9, priced at $255 just found
JetBlue Airways
Tue, Aug 26 - Wed, Sep 3
PHL
Philadelphia
ACK
Nantucket
$257 Roundtrip, found 1 day ago
$257
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Tue, Aug 26 from Philadelphia to Nantucket, returning Wed, Sep 3, priced at $257 found 1 day ago
American Airlines
Wed, Aug 27 - Sat, Aug 30
PHL
Philadelphia
ACK
Nantucket
$385 Roundtrip, found 3 days ago
$385
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Aug 27 from Philadelphia to Nantucket, returning Sat, Aug 30, priced at $385 found 3 days ago
United
Mon, Sep 8 - Tue, Sep 23
PHL
Philadelphia
ACK
Nantucket
$651 Roundtrip, found 2 days ago
$651
Roundtrip
found 2 days ago
Select United flight, departing Mon, Sep 8 from Philadelphia to Nantucket, returning Tue, Sep 23, priced at $651 found 2 days ago
Delta
Thu, Sep 4 - Fri, Sep 5
PHL
Philadelphia
ACK
Nantucket
$1,401 Roundtrip, found 2 days ago
$1,401
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Sep 4 from Philadelphia to Nantucket, returning Fri, Sep 5, priced at $1,401 found 2 days ago

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

August is typically the cheapest month to fly

From $198 - $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 $405
MVY
Martha's Vineyard
Flights from $405
Select flight to Barnstable Municipal HYA. Cheapest option available. Flights from $363
HYA
Barnstable Municipal
Cheapest
Flights from $363
Flights from Philadelphia (PHL) to Nantucket (ACK)
Origin airport
Philadelphia Intl.
Destination airport
Nantucket Memorial
Airlines serving
American Airlines, JetBlue Airways, United
Roundtrip price
$198
Distance
287 mi
Average flight time
1 hour 25 mins

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 October. 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?
Discover the latest flight deals from PHL to ACK by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from PHL to ACK?
The cheapest flights from PHL to ACK are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from PHL to ACK?
With prices starting from $261 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 August 15 2025. Prices were last updated on July 23 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.