Which layover airport offers the lowest fares from Seattle to Nantucket?

Flights via Philadelphia (PHL) offer the lowest average round-trip price of $635.

Which layover airport has the shortest connection time from Seattle to Nantucket?

Boston (BOS) has the shortest average layover time for this route: 2h 58m.

Which layover airport has the shortest travel time from Seattle to Nantucket?

Flights connecting via Boston (BOS) have the shortest average one-way travel time: 9h 39m.

Which airport is the most popular layover for flights between Seattle and Nantucket?

Philadelphia (PHL) was the most common stop: 75% of momondo users choosing 1-stop flights on this route connected there.

What airlines fly to Nantucket?

Delta, JetBlue and Alaska Airlines are the top three most popular airlines that fly to Nantucket from Seattle according to our data. Delta is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Nantucket. Keep in mind that there are 9 different airlines that fly to Nantucket on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Nantucket Memorial Airport?

Prices for flights from Seattle/Tacoma Intl Airport to Nantucket Memorial Airport are refreshed on a daily basis.

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Nantucket Memorial Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Nantucket Memorial Airport.

What documentation or ID do you need to fly to Nantucket Memorial Airport?

The travel and health documents required for your trip to Nantucket Memorial Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Nantucket Memorial Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$266 Cheap Flights from Seattle to Nantucket in 2025

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Find the cheapest flights from Seattle to Boston

Round-trip

One-way

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Cheap round-trip flights

9:14 pm - 10:29 amSEA-ACK

10h 15m1 stop

4:10 pm - 10:20 pmACK-SEA

9h 10m1 stop

$769JetBlue

Find Deal

Mon, Sep 1 - Fri, Sep 5

11:15 pm - 2:46 pmSEA-ACK

12h 31m2 stops

3:26 pm - 11:15 pmACK-SEA

10h 49m1 stop

$813Delta

Find Deal

Mon, Sep 1 - Fri, Sep 5

11:55 pm - 2:46 pmSEA-ACK

11h 51m2 stops

12:06 pm - 8:10 pmACK-SEA

11h 04m2 stops

$818Delta

Find Deal

Mon, Sep 1 - Fri, Sep 5

JetBlue flights from Seattle to Nantucket

Our best JetBlue deals on Seattle to Nantucket flight tickets

JetBlue

Aug 25

SEA9:14 pmSeattle/Tacoma Intl

10h 15m

1 stop

ACK10:29 amNantucket Memorial

Aug 29

ACK12:50 pmNantucket Memorial

10h 35m

1 stop

SEA8:25 pmSeattle/Tacoma Intl

$670

Find similar

JetBlue

Aug 25

SEA9:14 pmSeattle/Tacoma Intl

10h 15m

1 stop

ACK10:29 amNantucket Memorial

Aug 29

ACK3:08 pmNantucket Memorial

9h 57m

1 stop

SEA10:05 pmSeattle/Tacoma Intl

$713

Find similar

JetBlue

Sep 1

SEA9:14 pmSeattle/Tacoma Intl

10h 15m

1 stop

ACK10:29 amNantucket Memorial

Sep 5

ACK4:10 pmNantucket Memorial

9h 10m

1 stop

SEA10:20 pmSeattle/Tacoma Intl

$769

Find similar

Delta flights from Seattle to Nantucket

Our best Delta deals on Seattle to Nantucket flight tickets

Delta

Aug 25

SEA11:55 pmSeattle/Tacoma Intl

13h 14m

2 stops

ACK4:09 pmNantucket Memorial

Aug 29

ACK3:26 pmNantucket Memorial

10h 49m

1 stop

SEA11:15 pmSeattle/Tacoma Intl

$580

Find similar

Delta

Sep 1

SEA11:15 pmSeattle/Tacoma Intl

12h 31m

2 stops

ACK2:46 pmNantucket Memorial

Sep 5

ACK3:26 pmNantucket Memorial

10h 49m

1 stop

SEA11:15 pmSeattle/Tacoma Intl

$813

Find similar

Delta

Sep 1

SEA11:55 pmSeattle/Tacoma Intl

11h 51m

2 stops

ACK2:46 pmNantucket Memorial

Sep 5

ACK12:06 pmNantucket Memorial

11h 04m

2 stops

SEA8:10 pmSeattle/Tacoma Intl

$818

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleNantucket

SEA - ACK

SEAACK

Seattle/Tacoma Intl

Mon 9/1

9:14 pm-10:29 am

1 stop10h 15m

Nantucket Memorial

Fri 9/5

4:10 pm-10:20 pm

1 stop9h 10m

$769

SeattleNantucket

SEA - ACK

SEAACK

Seattle/Tacoma Intl

Mon 9/1

11:15 pm-2:46 pm

2 stops12h 31m

Nantucket Memorial

Fri 9/5

3:26 pm-11:15 pm

1 stop10h 49m

$813

SeattleNantucket

SEA - ACK

SEAACK

Seattle/Tacoma Intl

Mon 9/1

11:55 pm-2:46 pm

2 stops11h 51m

Nantucket Memorial

Fri 9/5

12:06 pm-8:10 pm

2 stops11h 04m

$818

SeattleNantucket

SEA - ACK

SEAACK

Seattle/Tacoma Intl

Sun 10/12

7:00 am-10:25 pm

2 stops12h 25m

$819

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Seattle to Nantucket

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the cheapest day to depart on your flight to Nantucket?

The cheapest day to depart on your flight to Nantucket is on a Sunday when prices can be found for as low as $474. This is often the case because there is less demand to fly during this day of the week. On the other hand, Tuesday is the most expensive day to depart from Seattle because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $783.

Can stopping save me money on Seattle to Nantucket flights?

You could potentially save up to 44% on your flight if you consider stops on a Seattle to Nantucket flight.

When to book flights from Seattle to Nantucket

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Nantucket according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Seattle to Nantucket (SEA to ACK) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Nantucket

Best Price Found	$819
Fastest flight time	10h 15m
Direct flights	None
Airports in Nantucket	1 airport

The best one-way flight to Nantucket from Seattle in the past 72 hours is $819. The best round-trip flight deal from Seattle to Nantucket found on momondo in the last 72 hours is $769.

The fastest flight from Seattle to Nantucket takes 10h 15m

There are no direct flights from Seattle to Nantucket. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Nantucket Memorial Airport.

There is 1 airport near Nantucket: Nantucket Memorial (ACK)

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How far is Seattle/Tacoma Intl to Nantucket Memorial by plane?
There are 2561.9 mi between Seattle/Tacoma Intl and Nantucket Memorial. Flights usually cover this in 10h 15m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Nantucket Memorial Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Nantucket Memorial Airport are refreshed on a daily basis.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Nantucket Memorial Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Nantucket Memorial Airport.
What documentation or ID do you need to fly to Nantucket Memorial Airport?
The travel and health documents required for your trip to Nantucket Memorial Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Nantucket Memorial Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Nantucket?

It is quick and easy to find Seattle to Nantucket flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Nantucket that suits you.

Can I find flights from Seattle to Nantucket with flexible booking policies on momondo?

Flights from Seattle to Nantucket with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Seattle to Nantucket?

Once all potential Seattle to Nantucket flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Seattle to Nantucket right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Nantucket from Seattle. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Nantucket trip

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Cheap flights from Seattle to Boston from $769

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Boston departing on 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

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Filter for what you want

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Find the cheapest flights from Seattle to Boston

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JetBlue flights from Seattle to Nantucket

Our best JetBlue deals on Seattle to Nantucket flight tickets

Delta flights from Seattle to Nantucket

Our best Delta deals on Seattle to Nantucket flight tickets

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How to get the cheapest flight ticket from Seattle to Nantucket

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Nantucket?

Can stopping save me money on Seattle to Nantucket flights?

You could potentially save up to 44% on your flight if you consider stops on a Seattle to Nantucket flight.

What airlines fly to Nantucket?

Which airport is the most popular layover for flights between Seattle and Nantucket?

Philadelphia (PHL) was the most common stop: 75% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Seattle to Nantucket?

Flights via Philadelphia (PHL) offer the lowest average round-trip price of $635.

Which layover airport has the shortest travel time from Seattle to Nantucket?

Flights connecting via Boston (BOS) have the shortest average one-way travel time: 9h 39m.

Which layover airport has the shortest connection time from Seattle to Nantucket?

Boston (BOS) has the shortest average layover time for this route: 2h 58m.

When to book flights from Seattle to Nantucket

Cheap Seattle to Nantucket (SEA to ACK) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Nantucket

Best Price Found

Fastest flight time

Direct flights

Airports in Nantucket

How far is Seattle/Tacoma Intl to Nantucket Memorial by plane?

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Nantucket Memorial Airport?

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Nantucket Memorial Airport?

What documentation or ID do you need to fly to Nantucket Memorial Airport?

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Nantucket?

Can I find flights from Seattle to Nantucket with flexible booking policies on momondo?

How can momondo help me find flights from Seattle to Nantucket?

I’m not ready to book a flight from Seattle to Nantucket right now. Can momondo alert me if prices change?

An easier way to manage your Nantucket trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Massachusetts