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.

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).

What is the cheapest time of day to fly from WA to ACK?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from State of Washington to Nantucket as you normally would.

What airport do you fly into for flights to Nantucket from Washington?

Nantucket Memorial (ACK) is the airport you will fly into if you book a flight from Washington to Nantucket. It is only a 2.8 mi journey from Memorial (ACK) to Nantucket’s city center.

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

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

How can I find direct flights from Washington to Nantucket?

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

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

Yes. Cheapflights offers flight deals from Washington 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.

$784+ Flights from Washington to Nantucket

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Washington to Nantucket with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find flight deals from Washington to Nantucket

Cheapest flights from Washington to Nantucket
Explore the most affordable flight options available from Washington to Nantucket. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 23, 2025.

Tue 11/259:30 pmPDX - ACK

2 stops16h 29mMultiple Airlines

Sat 12/66:49 amACK - PDX

2 stops14h 06mMultiple Airlines

Deal found 10/23

$1,130

Fri 10/241:12 pmSEA - ACK

2 stops16h 57mMultiple Airlines

Mon 10/2711:05 amACK - SEA

2 stops12h 49mMultiple Airlines

Deal found 10/22

$1,507

Best flights from Washington to Nantucket
Discover carefully curated flight deals from Washington to Nantucket that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 23, 2025.

Mon 2/1610:50 pmSEA - ACK

1 stop8h 20mMultiple Airlines

Thu 2/196:49 amACK - SEA

1 stop9h 34mMultiple Airlines

Deal found 10/21

$784

Tue 11/259:30 pmPDX - ACK

2 stops16h 29mMultiple Airlines

Sat 12/62:29 pmACK - PDX

1 stop8h 41mMultiple Airlines

Deal found 10/23

$1,106

Last-minute flights from Washington to Nantucket
Discover last-minute flight deals from Washington to Nantucket. Data last updated October 23, 2025 and is based on user searches.

Fri 10/241:12 pmSEA - ACK

2 stops16h 57mMultiple Airlines

Mon 10/2711:05 amACK - SEA

2 stops12h 49mMultiple Airlines

Deal found 10/22

$1,507

Tue 11/259:30 pmPDX - ACK

2 stops16h 29mMultiple Airlines

Sat 12/62:29 pmACK - PDX

1 stop8h 41mMultiple Airlines

Deal found 10/23

$1,106

Cheap flight deals from Washington to Nantucket

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$784 (KAYAK)
Popular in	December
Cheapest in	January
Average price	$330

Provider with most accurate pricing for Seattle/Tacoma Intl-Boston Logan Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Boston Logan Intl flights.

Search Deals

From Washington to Nantucket Memorial

Search Deals

High demand for flights, 3% potential price rise

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington to Nantucket that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleNantucket

SEA - ACK

SEAACK

Seattle/Tacoma Intl

Mon 2/16

10:50 pm-10:10 am

1 stop8h 20m

Nantucket Memorial

Thu 2/19

6:49 am-1:23 pm

1 stop9h 34m

$784

PortlandNantucket

PDX - ACK

PDXACK

Portland

Tue 11/25

9:30 pm-4:59 pm

2 stops16h 29m

Nantucket Memorial

Sat 12/6

2:29 pm-8:10 pm

1 stop8h 41m

$1,106

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/21

Best time to book a flight from Washington to Nantucket

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

What is the cheapest month to book a flight from State of Washington to Nantucket?

Currently, January is the cheapest month in which you can book a flight from State of Washington to Nantucket (average of $98). Flying from State of Washington to Nantucket in August is currently the most expensive (average of $178). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

What airport do you fly into for flights to Nantucket from Washington?
Nantucket Memorial (ACK) is the airport you will fly into if you book a flight from Washington to Nantucket. It is only a 2.8 mi journey from Memorial (ACK) to Nantucket’s city center.
Can I find deals for flights from Washington to Nantucket that include hotel bookings?
Yes. In addition to deals on Washington to Nantucket flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington to Nantucket?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Nantucket.
Can I find deals for business class flights from Washington to Nantucket?
Yes. Cheapflights offers flight deals from Washington 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.
What is the cheapest month to book a flight from State of Washington to Nantucket?
Currently, January is the cheapest month in which you can book a flight from State of Washington to Nantucket (average of $98). Flying from State of Washington to Nantucket in August is currently the most expensive (average of $178). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Washington to Nantucket

Airline	Cheapest	Average	Flexibility	On-time
JetBlue	Cheapest$465	Average$619	FlexibilityNo cancel fee	On-time62%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$784+ Cheap flights from Washington to Nantucket (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 2/16. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington to Nantucket with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Washington to Nantucket

Cheapest flights from Washington to NantucketExplore the most affordable flight options available from Washington to Nantucket. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 23, 2025.

Explore the most affordable flight options available from Washington to Nantucket. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 23, 2025.

Cheap flight deals from Washington to Nantucket

Keep the following information in mind while searching for Washington to Nantucket flight deals. Data was last updated October 23, 2025.

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington to Nantucket that are best for you.

Best time to book a flight from Washington to Nantucket

Have a flexible travel schedule? Discover the best time to fly to Nantucket from Washington with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington to Nantucket

What is the cheapest month to book a flight from State of Washington to Nantucket?

Related info for your journey

Find useful and relevant information for your journey from Washington to Nantucket. 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 into for flights to Nantucket from Washington?

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

How can I find direct flights from Washington to Nantucket?

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

What is the cheapest month to book a flight from State of Washington to Nantucket?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington to Nantucket

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Washington to Nantucket

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Washington to Nantucket
Explore the most affordable flight options available from Washington to Nantucket. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 23, 2025.