$501 Cheap Alaska Airlines flights from Seattle to Nantucket (SEA to ACK)

Find The Best Day To Fly from Seattle to Nantucket

Amazing Alaska Airlines SEA to ACK Flight Deals

The cheapest flights to Nantucket Memorial found within the past 7 days were round trip and $501 one way. Prices and availability subject to change. Additional terms may apply.

ACK From SEA Economy Coach Packages on Similar Airlines

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Discover our best Alaska Airlines flight from Seattle SEA to Nantucket ACK 

To find the best deals on flights to Seattle from Nantucket with Alaska Airlines, just enter your travel dates, filter by Alaska Airlines, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from Seattle SEA to Nantucket ACK with Alaska Airlines 

If you’re planning a round trip, booking return flights with Alaska Airlines is usually the most cost-effective option. With airfares ranging from to , it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way Alaska Airlines flights from Seattle SEA to Nantucket ACK 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way Alaska Airlines flight from Seattle to Nantucket costs from $501. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to Nantucket ACK from  Seattle SEA with Alaska Airlines 

To find a cheap Alaska Airlines flight from Seattle SEA to Nantucket ACK, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on Alaska Airlines flights from Seattle SEA to Nantucket ACK 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as , or if you book a flight with a stopover. 

 

Find nonstop flights from Seattle SEA to Nantucket ACK with Alaska Airlines 

If you’re keen to be on Nantucket soil fast, don’t waste time with a stopover—filter your search results to show direct Alaska Airlines flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for Alaska Airlines flights from Seattle SEA to Nantucket ACK 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to Nantucket ACK from  Seattle SEA with Alaska Airlines on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

Travelers ❤️ these 🏨 after their flight to Nantucket

Nantucket Inn
Nantucket Inn
3.5 out of 5
1 Miller Lane, Nantucket, MA
2 outdoor tennis courts, 2 hot tubs, and an indoor pool are all featured at this smoke-free resort. Traveling on business? Take advantage of the business center, ...
8.8/10 Excellent! (447 reviews)
"Rooms quiet clean and comfortable, nicely decorated. Staff so friendly and helpful from check in to pool to cafe staff. Pool excellent on a rainy day for kids. Close to everything but not in super busy location. Love it here and will be back!"

Reviewed on May 11, 2025

Nantucket Inn
Faraway Nantucket
Faraway Nantucket
3.5 out of 5
29 Centre St., Nantucket, MA
Free WiFi in public areas, a terrace, and a garden are available at this hotel. Express check-in, express check-out, and luggage storage are also on offer.
"The place is very charming, but go after the season opens as it does not have the bar open or the coffee shop open before the season is in full swing."

Reviewed on May 5, 2025

Faraway Nantucket
Whaler's Inn
Whaler's Inn
3 out of 5
18B Park Cir, Nantucket, MA
A seasonal outdoor pool is featured at this guesthouse, along with free self parking. WiFi in public areas is free. Express check-out is also provided.
"I love this place. It is very clean, Beach vibe, and has enough of everything. Love it."

Reviewed on May 2, 2025

Whaler's Inn
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.