$879+ Cheap flights from Washington to Nantucket Island
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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ACK
Jan 11 — Jan 181
1 adult, Economy
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Washington to Nantucket Island
Best flights from Washington to Nantucket IslandDiscover carefully curated flight deals from Washington to Nantucket Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.
Discover carefully curated flight deals from Washington to Nantucket Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.
This Expedia deal was found by Cheapflights users on 12/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/177:55 amSEA - ACK
1 stop8h 55mMultiple Airlines
Sat 1/243:15 pmACK - SEA
1 stop10h 02mMultiple Airlines
Deal found 12/11![Multiple Airlines logo]()
$879
Find flight deals from Washington to Nantucket Island
Keep the following information in mind while searching for Washington to Nantucket Island flight deals. Data was last updated December 12, 2025.
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $879 (Expedia) |
Popular in | December |
Cheapest in | January |
Average price | $536 |
Cheapflights Fare Finder
Customize your flight search to find flights from Washington 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 December 12, 2025.
Use the filters below to find and compare flights from Washington to Nantucket Island that are best for you.
Fly from
Washington
Fly to
Nantucket Island
Route
Depart
Return
Price
SeattleNantucket
SEA - ACK
SEAACK
Seattle/Tacoma Intl
Sat 1/17
7:55 am-7:50 pm
1 stop8h 55m
Nantucket Memorial
Sat 1/24
3:15 pm-10:17 pm
1 stop10h 02m
$879
Best time to book a flight from Washington to Nantucket Island
Have a flexible travel schedule? Discover the best time to fly to Nantucket Island 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 Island
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Alternative routes for Washington to Nantucket Island
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Top airline flying from Washington to Nantucket Island
Discover the top airline that operate flights from Washington 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 December 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$465 | Average$619 | FlexibilityNo cancel fee | On-time62% |