$387 Cheap Delta flights from Seattle to Nantucket (SEA to ACK)

Find The Best Day To Fly from Seattle to Nantucket

Amazing Delta SEA to ACK Flight Deals

The cheapest flights to Nantucket Memorial found within the past 7 days were $589 round trip and $387 one way. Prices and availability subject to change. Additional terms may apply.

Discover our best Delta flight from Seattle SEA to Nantucket ACK 

To find the best deals on flights to Seattle from Nantucket with Delta, just enter your travel dates, filter by Delta, 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 Delta 

If you’re planning a round trip, booking return flights with Delta is usually the most cost-effective option. With airfares ranging from $589 to $639, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way Delta 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 Delta flight from Seattle to Nantucket costs from $387. Prices and availability subject to change. Additional terms may apply. 

 

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

To find a cheap Delta 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 Delta 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 June, or if you book a flight with a stopover. 

 

Find nonstop flights from Seattle SEA to Nantucket ACK with Delta 

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

 

Flexible airline tickets for Delta 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 Delta 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.

Delta Airports
Hop on a(n) Delta flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ATLUSAHartsfield-Jackson Atlanta Intl.252
DTWUSADetroit Metropolitan Wayne County156
MSPUSAMinneapolis - St. Paul Intl.131
SLCUSASalt Lake City Intl.116
SEAUSASeattle - Tacoma Intl.57
LAXUSALos Angeles Intl.41
AMSNLDSchiphol31
YYCCANCalgary Intl.26
YYZCANPearson Intl.24
JFKUSAJohn F. Kennedy Intl.23

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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, ...
9/10 Wonderful! (643 reviews)
Great hotel , indoor pool and nice staff

Reviewed on Dec 28, 2025

Nantucket Inn
Spacious 3 bed 3 bath home with optional Jeep rental

Spacious 3 bed 3 bath home with optional Jeep rental

Nantucket MA
This vacation home featured laundry facilities and barbecue grills.
9.8/10 Exceptional! (14 reviews)
Shaun was quick to respond and very helpful. The house was clean and comfy for the six of us. The location was a great middle ground spot that felt safe and quiet.

Reviewed on Sep 8, 2025

Spacious 3 bed 3 bath home with optional Jeep rental
Luxury Nantucket Estate | Heated Pool & Hot Tub

Luxury Nantucket Estate | Heated Pool & Hot Tub

Nantucket MA
This vacation home features an outdoor pool and a hot tub. A garden, laundry facilities, and barbecue grills are also on offer.
8.8/10 Excellent! (5 reviews)
Excellent

Reviewed on Nov 3, 2025

Luxury Nantucket Estate | Heated Pool & Hot Tub
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.