sea-to-ack

 

The cheapest times to fly from SEA to ACK are

  • January 1st to March 11th (except the week of February 5th)
  • July 9th to November 11th (except the weeks of July 23rd and July 30th)

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 SEA to ACK is mid August. Prices can be as high as $1622 for Sunday flights during early to mid May, or as low as $341 for Tuesday flights around mid August.

 

When to Fly to Nantucket

Flying from Seattle, WA (SEA) to Nantucket, MA (ACK) will usually cost between $499 to $1146 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid August with an average ticket price of $502. Due to high demand the most expensive time to fly is early to mid May, with an average price of $1240. Planning your trip to low-cost times can easily save you $738 on economy flights and even more on first-class flights. Generally, any price below $755 can be considered a good price for a round-trip SEA to ACK flight.

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

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SEA to ACK Flight Prices

Compared to other flights, the SEA to ACK flight is cheaper than the average and costs less than the average flight leaving from Seattle. The average price per mile (for a direct flight) is $0.18, which is below 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 $143 (16%) 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 $748. Return trip prices are from the ACK to SEA flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

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Departure Day Prices

Return Trip Prices by Day

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Return Day Prices

 

Nonstop Flights and Layovers

Travelers looking to fly from SEA to ACK can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 5 hour 36 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 SEA to ACK while comparing.

Destination alternative #1: Logan International Airport (BOS) in Boston, MA

  • 91 miles (146 km) away from ACK
  • Usually 63.09% less expensive than ACK
  • Nonstop flights available

See SEA to BOS flights

Destination alternative #2: Bradley International Airport (BDL) in Hartford, CT

  • 144 miles (232 km) away from ACK
  • Usually 51.62% less expensive than ACK
  • 1-layover flights available

See SEA to BDL flights

Destination alternative #3: Theodore Francis Green State Airport (PVD) in Providence, RI

  • 78 miles (126 km) away from ACK
  • Usually 51.36% less expensive than ACK
  • 1-layover flights available

See SEA to PVD flights

Destination alternative #4: Manchester-Boston Regional Airport (MHT) in Manchester, NH

  • 136 miles (219 km) away from ACK
  • Usually 48.38% less expensive than ACK
  • 1-layover flights available

See SEA to MHT flights

Destination alternative #5: Provincetown Municipal Airport (PVC) in Provincetown, MA

  • 57 miles (92 km) away from ACK
  • Usually 9.81% less expensive than ACK
  • 1-layover flights available

See SEA to PVC flights

Destination alternative #6: Tweed New Haven Airport (HVN) in New Haven, CT

  • 147 miles (237 km) away from ACK
  • Usually 38.90% less expensive than ACK
  • 1-layover flights available

See SEA to HVN flights

 

Flight Hacking SEA to ACK

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 SEA to ACK — but Champion Traveler does!

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

  • Price for both tickets: $696
  • Average savings: $59 (7.82%)

See SEA to BOS flights

 

Flight Questions Answered

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

Which airlines fly this route?

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

How far away is it from Nantucket Memorial Airport to Seattle/Tacoma International Airport?

The distance between the two airports is roughly 2567 miles or 4131 kilometers.

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

The real-world flight time for a nonstop SEA to ACK flight is about 5 hour 36 minutes.

How many flights go between Seattle, WA and Nantucket, MA?

It depends on the day of the week and the date, but a typical day might have around 107 available flights from SEA to ACK.

 

Airport Location Info

 

Departing Airport

Origination code SEA
Origination airport name Seattle/Tacoma International Airport
City Seattle, WA
Country the United States
Latitude 47.5
Longitude -122.3

Return Airport

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

 

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.