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Nantucket

$250+ Cheap flights from Seattle to Nantucket (SEA - ACK)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ACK
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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Cheap flight deals from Seattle to Nantucket

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Nantucket (ACK). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 30, 2025.

Most accurate provider

Priceline
2 stars

Most trusted provider

Priceline
3 stars

Round-trip from

$250
(Delta)
Provider with most accurate pricing for Seattle/Tacoma Intl-Nantucket Memorial flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Nantucket Memorial flights.
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From Seattle/Tacoma Intl to Nantucket Memorial
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Find flight deals from Seattle to Nantucket

Cheapest flights from Seattle to Nantucket
Explore the most affordable flight options available from Seattle to Nantucket. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.

This Delta deal was found by Cheapflights users on 4/28. 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 8/1811:55 pmSEA - ACK
2 stops12h 22mDelta
Fri 8/222:50 pmACK - SEA
1 stop11h 03mDelta
Deal found 4/28$250
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Mon 8/1811:30 pmSEA - ACK
2 stops10h 20mAmerican Airlines
Fri 8/221:38 pmACK - SEA
2 stops12h 17mAmerican Airlines
Deal found 4/28$287
This JetBlue deal was found by Cheapflights users on 4/28. 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.
Mon 6/169:14 pmSEA - ACK
1 stop10h 15mJetBlue
Wed 6/1812:50 pmACK - SEA
1 stop10h 08mJetBlue
Deal found 4/28$377
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/187:34 pmSEA - ACK
2 stops11h 45mUnited Airlines
Fri 8/2211:00 amACK - SEA
3 stops29h 28mUnited Airlines
Deal found 4/28$652
This JetBlue Airways deal was found by Cheapflights users on 4/28. 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 stop22h 02mMultiple Airlines
Mon 6/1611:04 amACK - SEA
1 stop13h 49mMultiple Airlines
Deal found 4/28$769

Cheapflights Fare Finder

Customize your flight search to find flights from Seattle to Nantucket 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 April 30, 2025.
Use the filters below to find and compare flights from Seattle to Nantucket that are best for you.

Fly from

Seattle

Fly to

Nantucket

Route

Depart

Return

Price

SeattleNantucket

SEA - ACK

SEAACK

Seattle/Tacoma Intl

Mon 8/18

11:55 pm-3:17 pm

2 stops12h 22m

Nantucket Memorial

Fri 8/22

2:50 pm-10:53 pm

1 stop11h 03m

$250

SeattleNantucket

SEA - ACK

SEAACK

Seattle/Tacoma Intl

Mon 8/18

11:30 pm-12:50 pm

2 stops10h 20m

Nantucket Memorial

Fri 8/22

1:38 pm-10:55 pm

2 stops12h 17m

$287

SeattleNantucket

SEA - ACK

SEAACK

Seattle/Tacoma Intl

Mon 6/16

9:14 pm-10:29 am

1 stop10h 15m

Nantucket Memorial

Wed 6/18

12:50 pm-7:58 pm

1 stop10h 08m

$377

SeattleNantucket

SEA - ACK

SEAACK

Seattle/Tacoma Intl

Mon 8/18

7:34 pm-10:19 am

2 stops11h 45m

Nantucket Memorial

Fri 8/22

11:00 am-1:28 pm

3 stops29h 28m

$652

SeattleNantucket

SEA - ACK

SEAACK

Seattle/Tacoma Intl

Mon 6/9

11:28 am-12:30 pm

1 stop22h 02m

Nantucket Memorial

Mon 6/16

11:04 am-9:53 pm

1 stop13h 49m

$769

SeattleNantucket

SEA - ACK

SEAACK

Seattle/Tacoma Intl

Thu 6/12

9:14 pm-10:29 am

1 stop10h 15m

$339

SeattleNantucket

SEA - ACK

SEAACK

Seattle/Tacoma Intl

Thu 6/12

9:58 pm-11:25 am

2 stops10h 27m

$589

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Compare providers for flights from Seattle to Nantucket

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Nantucket in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Nantucket flights, users find the pricing of Priceline to be most consistent on Cheapflights vs. Priceline Users can find the same prices on Seattle-Nantucket flight deals on Cheapflights vs. Priceline 90-95% of the time. Price accuracy is based on data collected from Seattle-Nantucket flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Nantucket flights, Cheapflights users trust Priceline the most. Priceline has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Nantucket flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Nantucket

Have a flexible travel schedule? Discover the best time to fly to Nantucket 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

Rainfall in Nantucket by month

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

In terms of precipitation, rainfall in Nantucket 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 when rainfall is around 1.6 in.

Temperature in Nantucket by month

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

If weather is an important factor for your trip to Nantucket, 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

Get insights into the airlines that provide service to Nantucket. 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. Reviews last updated April 30, 2025.
Delta
8.0
Very good
7,936 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

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
7,936 reviews
Delta
8.0
Very good
7,936 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

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
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,936 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

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
2,922 reviews
Delta
8.0
Very good
7,936 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

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
7,936 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

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. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Seattle to Nantucket round-trip?

    Currently priced at $250, Delta will fly you from Seattle to Nantucket and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and JetBlue - these airlines can fly you to your destination from $287 and $377, respectively.

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

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

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

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

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

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

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Top airline flying from Seattle to Nantucket

Discover the top airline that operate flights from Seattle to Nantucket. 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$578Average$751FlexibilityNo cancel feeOn-time62%

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