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Nantucket Island

$163+ Cheap flights from Seattle (SEA) to Nantucket Island

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/14. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ACK
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheap flight deals from Seattle to Nantucket Island

Keep the following information in mind while searching for Seattle to Nantucket Island flight deals. Data was last updated May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$354
(Delta)

One-way from

$163
(JetBlue)

Popular in

July

Cheapest in

January

Average price

$372
Provider with most accurate pricing for Seattle/Tacoma Intl-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Boston Logan Intl flights.
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From Seattle/Tacoma Intl to Nantucket Island
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One-way flight from Seattle/Tacoma Intl to Nantucket Island
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Highest demand for flights based on searches. 26% potential increase in price ($131 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find flight deals from Seattle to Nantucket Island

Cheapest flights from Seattle to Nantucket Island
Explore the most affordable flight options available from Seattle to Nantucket Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/911:50 pmSEA - ACK
2 stops13h 15mDelta
Mon 6/163:20 pmACK - SEA
1 stop10h 29mDelta
Deal found 4/30$354
This JetBlue deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/1411:10 pmSEA - ACK
1 stop9h 43mJetBlue
Sat 6/2112:45 pmACK - SEA
1 stop10h 13mJetBlue
Deal found 4/30$447
This JetBlue Airways deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/911:28 amSEA - ACK
1 stop26h 48mMultiple Airlines
Mon 6/1611:41 amACK - SEA
1 stop13h 12mMultiple Airlines
Deal found 4/30$799
This American Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/129:46 pmSEA - ACK
2 stops12h 35mAmerican Airlines
Sun 7/204:20 pmACK - SEA
1 stop8h 23mAmerican Airlines
Deal found 4/30$857

Cheapflights Fare Finder

Customize your flight search to find flights from Seattle to Nantucket Island that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 1, 2025.
Use the filters below to find and compare flights from Seattle to Nantucket Island that are best for you.

Fly from

Seattle

Fly to

Nantucket Island

Route

Depart

Return

Price

SeattleNantucket

SEA - ACK

SEAACK

Seattle/Tacoma Intl

Mon 6/9

11:50 pm-4:05 pm

2 stops13h 15m

Nantucket Memorial

Mon 6/16

3:20 pm-10:49 pm

1 stop10h 29m

$354

SeattleNantucket

SEA - ACK

SEAACK

Seattle/Tacoma Intl

Sat 6/14

11:10 pm-11:53 am

1 stop9h 43m

Nantucket Memorial

Sat 6/21

12:45 pm-7:58 pm

1 stop10h 13m

$447

SeattleNantucket

SEA - ACK

SEAACK

Seattle/Tacoma Intl

Mon 6/9

11:28 am-5:16 pm

1 stop26h 48m

Nantucket Memorial

Mon 6/16

11:41 am-9:53 pm

1 stop13h 12m

$799

SeattleNantucket

SEA - ACK

SEAACK

Seattle/Tacoma Intl

Sat 7/12

9:46 pm-1:21 pm

2 stops12h 35m

Nantucket Memorial

Sun 7/20

4:20 pm-9:43 pm

1 stop8h 23m

$857

SeattleNantucket

SEA - ACK

SEAACK

Seattle/Tacoma Intl

Sat 6/14

11:10 pm-11:53 am

1 stop9h 43m

$163

SeattleNantucket

SEA - ACK

SEAACK

Seattle/Tacoma Intl

Sat 6/14

11:53 pm-2:40 pm

2 stops11h 47m

$440

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Best time to book a flight from Seattle to Nantucket Island

Have a flexible travel schedule? Discover the best time to fly to Nantucket Island from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Nantucket Island

Rainfall in Nantucket Island by month

Plan your trip to Nantucket Island by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Nantucket Island ranges from 1.6 - 4.3 inches per month. January is typically the wettest month, when rainfall can reach 4.3 in. June is typically the driest time to visit Nantucket Island when rainfall is around 1.6 in.

Temperature in Nantucket Island by month

Plan your trip to Nantucket Island by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Nantucket Island, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing Nantucket Island

Get insights into the airlines that provide service to Nantucket Island. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Nantucket Island. Reviews last updated May 1, 2025.
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
JetBlue
7.3
Good
2,924 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Related info for your journey

Find useful and relevant information for your journey from Seattle to Nantucket Island. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Nantucket Island?

    Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to Nantucket Island. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

  • Can I find deals for flights from Seattle to Nantucket Island that include hotel bookings?

    Yes. In addition to deals on Seattle to Nantucket Island flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Nantucket Island?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Nantucket Island.

  • Can I find deals for business class flights from Seattle to Nantucket Island?

    Yes. Cheapflights offers flight deals from Seattle to Nantucket Island by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Top airline flying from Seattle to Nantucket Island

Discover the top airline that operate flights from Seattle to Nantucket Island. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$578Average$751FlexibilityNo cancel feeOn-time62%

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