The cheapest times to fly from ACK to PHL are

  • June 18th to September 9th
  • October 29th to November 11th
  • December 3rd to March 4th (except the week of February 12th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from ACK to PHL is mid to late August. Prices can be as high as $1080 for Sunday flights during mid April, or as low as $186 for Tuesday flights around mid to late August.


When to Fly to Philadelphia

Flying from Nantucket, MA (ACK) to Philadelphia, PA (PHL) will usually cost between $293 to $917 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid to late August with an average ticket price of $253. Due to high demand the most expensive time to fly is mid April, with an average price of $949. Planning your trip to low-cost times can easily save you $696 on economy flights and even more on first-class flights. Generally, any price below $621 can be considered a good price for a round-trip ACK to PHL flight.

See below for a graph of average weekly prices for the ACK to PHL route. All prices are for round-trip tickets in USD.

ACK to PHL Flight Prices

Compared to other flights, the ACK to PHL flight is cheaper than the average and costs less than the average flight leaving from Nantucket. The average price per mile (for a direct flight) is $1.34, which is above average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $75 (11%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $600. Return trip prices are from the PHL to ACK flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from ACK to PHL can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 1 hour 30 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from ACK to PHL while comparing.

Destination alternative #1: John F. Kennedy International Airport (JFK) in New York, NY

  • 94 miles (151 km) away from PHL
  • Usually 15.94% less expensive than PHL
  • Nonstop flights available

See ACK to JFK flights


Flight Hacking ACK to PHL

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from ACK to PHL — but Champion Traveler does!

Hack #1: Boston, MA (ACK > BOS > PHL)

  • Price for both tickets: $554
  • Average savings: $67 (10.79%)

See ACK to BOS flights


Flight Questions Answered

Still have questions about flying from ACK to PHL? We’ve got answers.

Which airlines fly this route?

You can find 7 major airlines flying this route most often: American, Cape Air, Delta, Hawaiian, JetBlue, Qatar Airways, United, and potentially more during busy seasons.

How far away is it from Philadelphia International Airport to Nantucket Memorial Airport?

The distance between the two airports is roughly 288 miles or 463 kilometers.

How long does it take to fly from ACK to PHL?

The real-world flight time for a nonstop ACK to PHL flight is about 1 hour 30 minutes.

How many flights go between Nantucket, MA and Philadelphia, PA?

It depends on the day of the week and the date, but a typical day might have around 17 available flights from ACK to PHL.


Airport Location Info


Departing Airport

Origination code ACK
Origination airport name Nantucket Memorial Airport
City Nantucket, MA
Country the United States
Latitude 41.3
Longitude -70.1

Return Airport

Destination code PHL
Destination airport name Philadelphia International Airport
City Philadelphia, PA
Country the United States
Latitude 39.9
Longitude -75.2


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.