SEA - ACK

$746 Find Cheap Flights from Seattle to Nantucket - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$746
Typical prices: $608-$936
JetBlue
Sat 9/29Wed 10/3
SEA - ACK • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Seattle and Nantucket. You'll need to take a connecting flight to reach the destination.
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Top layover airports
Newark (EWR)
Cheapest • Avg $593 (round-trip)
Boston Logan Intl (BOS)
Shortest trip • 8h 45m (one-way)
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Flight Deals

Cheap Flights from Seattle to Nantucket (SEA-ACK)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Nantucket

Tue, Sep 29 - Sat, Oct 3
JetBlue Logo
11:42 pm - 1:16 pmSEA  Seattle/Tacoma Intl-ACK Nantucket Memorial
10h 34m1 stop Boston Logan Intl
JetBlue Logo
11:25 am - 8:44 pmACK  Nantucket Memorial-SEA Seattle/Tacoma Intl
12h 19m1 stop New York John F Kennedy Intl
$746JetBlue
Tue, Sep 29 - Sat, Oct 3
JetBlue Logo
11:42 pm - 1:16 pmSEA  Seattle/Tacoma Intl-ACK Nantucket Memorial
10h 34m1 stop Boston Logan Intl
JetBlue Logo
11:25 am - 8:44 pmACK  Nantucket Memorial-SEA Seattle/Tacoma Intl
12h 19m1 stop New York John F Kennedy Intl
$751JetBlue
Tue, Jan 5 - Thu, Jan 14
Multiple Airlines Logo
9:05 am - 8:40 pmSEA  Seattle/Tacoma Intl-ACK Nantucket Memorial
8h 35m1 stop Boston Logan Intl
Multiple Airlines Logo
2:06 pm - 9:56 pmACK  Nantucket Memorial-SEA Seattle/Tacoma Intl
10h 50m1 stop Boston Logan Intl
$838Multiple Airlines
Tue, Sep 29 - Sat, Oct 3
JetBlue Logo
11:42 pm - 1:16 pmSEA  Seattle/Tacoma Intl-ACK Nantucket Memorial
10h 34m1 stop Boston Logan Intl
JetBlue Logo
11:25 am - 8:44 pmACK  Nantucket Memorial-SEA Seattle/Tacoma Intl
12h 19m1 stop New York John F Kennedy Intl
$906JetBlue
Tue, Sep 29 - Sat, Oct 3
Multiple Airlines Logo
11:42 pm - 1:16 pmSEA  Seattle/Tacoma Intl-ACK Nantucket Memorial
10h 34m1 stop Boston Logan Intl
Multiple Airlines Logo
12:10 pm - 9:59 pmACK  Nantucket Memorial-SEA Seattle/Tacoma Intl
12h 49m2 stops Hyannis Barnstable Boston Logan Intl
$1,002Multiple Airlines
Fri, Oct 9 - Mon, Oct 12
JetBlue Logo
10:15 pm - 10:35 amSEA  Seattle/Tacoma Intl-ACK Nantucket Memorial
9h 20m1 stop New York John F Kennedy Intl
JetBlue Logo
3:28 pm - 10:42 pmACK  Nantucket Memorial-SEA Seattle/Tacoma Intl
10h 14m1 stop Boston Logan Intl
$1,124JetBlue
Fri, Oct 9 - Mon, Oct 12
JetBlue Logo
10:15 pm - 10:35 amSEA  Seattle/Tacoma Intl-ACK Nantucket Memorial
9h 20m1 stop New York John F Kennedy Intl
JetBlue Logo
3:28 pm - 8:48 pmACK  Nantucket Memorial-SEA Seattle/Tacoma Intl
32h 20m2 stops Boston Logan Intl New York John F Kennedy Intl
$1,129JetBlue
Tue, Sep 29 - Sat, Oct 3
Multiple Airlines Logo
6:51 pm - 10:25 amSEA  Seattle/Tacoma Intl-ACK Nantucket Memorial
12h 34m2 stops Portland Boston Logan Intl
Multiple Airlines Logo
12:10 pm - 9:59 pmACK  Nantucket Memorial-SEA Seattle/Tacoma Intl
12h 49m2 stops Hyannis Barnstable Boston Logan Intl
$1,164Multiple Airlines
Booking Insights

Price, demand and travel trends for Seattle to Nantucket flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Seattle to Nantucket with more confidence.

How much is a round-trip flight from Seattle to Nantucket?

Round-trip flights from Seattle to Nantucket start at $746. Prices are typical for this route right now, with typical round-trip fares ranging from $608 to $936. The lowest price found in the past 5 days was $746 on JetBlue.

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When to book flights from Seattle to Nantucket

Are your dates flexible? Find out the best times to travel from Seattle to Nantucket based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Seattle to Nantucket flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Seattle to Nantucket?

    Flights from Seattle to Nantucket usually depart from Seattle/Tacoma Intl (SEA) and arrive at Nantucket Memorial (ACK).

  • What cabin classes can I book on flights from Seattle to Nantucket?

    Only Economy Class is available on flights from Seattle to Nantucket.

  • Which airports do connecting flights from Seattle to Nantucket pass through?

    One-stop flights from Seattle to Nantucket most commonly connect through:

    • Boston Logan Intl (BOS) - 83% of one-stop connections
    • Newark (EWR) - 8% of one-stop connections
    • New York John F Kennedy Intl (JFK) - 8% of one-stop connections

    Boston Logan Intl (BOS) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Seattle to Nantucket?

    Yes. Being flexible with your travel dates can save you up to 16% on the Seattle to Nantucket route. Wednesday is the cheapest departure day at $608 round-trip on average, while Monday is the most expensive at $718, a difference of $110. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How long is a flight from Seattle to Nantucket?

    A nonstop flight from Seattle to Nantucket takes 0h 00m, covering 2,565 miles.

  • Do I need a passport to fly from Seattle to Nantucket?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Seattle to Nantucket changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route varied from about $746 to $1,164. That means the highest observed fare was about 56% higher than the lowest one.

  • How much time can I save by choosing a different layover airport from Seattle to Nantucket?

    Flying via Boston Logan Intl (BOS) gives the shortest average 1-stop total travel time at 8h 45m, compared with 9h 48m via New York John F Kennedy Intl (JFK) and 9h 54m via Newark (EWR).

  • What is the time difference between Seattle and Nantucket?

    Nantucket is 3 hours ahead of Seattle (Eastern Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • How much should I expect to pay for a Seattle to Nantucket flight?

    Round-trip flights from Seattle to Nantucket range from $608 to $936, with an average of $671 over the past 12 months. Anything below $608 counts as a good deal.

Your guide to booking Seattle to Nantucket flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Wednesday departure instead of Monday. On this route, Wednesday flights average $608 - about $110 less than Monday (15% savings) based on the last 12 months.
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Nantucket Memorial Airport.
    - Nantucket Inn
    - Whaler's Inn

More options for your flight from Seattle to Nantucket

Complete your trip to Nantucket with a hotel stay or car rental

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