Featured airlines
- Plan, book, fly with confidence
- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 15% on select hotels after you book a flight*
Cheap flights from Seattle to Nantucket (SEA-ACK)
Prices were available within the past 7 days and start at €110 for one-way flights and €220 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, 21 Apr - Mon, 28 Apr
SEA
Seattle
BOS
Boston
€220 Return, found 2 days ago
€220
Return
found 2 days ago

Mon, 21 Apr - Mon, 28 Apr
SEA
Seattle
BOS
Boston
€220 Return, found 2 days ago
€220
Return
found 2 days ago

Sat, 19 Apr - Sat, 26 Apr
SEA
Seattle
BOS
Boston
€229 Return, found 1 day ago
€229
Return
found 1 day ago

Mon, 21 Apr - Mon, 28 Apr
SEA
Seattle
BOS
Boston
€229 Return, found 2 days ago
€229
Return
found 2 days ago

Sun, 20 Apr - Sat, 26 Apr
SEA
Seattle
BOS
Boston
€332 Return, found 3 days ago
€332
Return
found 3 days ago

Mon, 7 Jul - Wed, 9 Jul
SEA
Seattle
BOS
Boston
€360 Return, found 2 days ago
€360
Return
found 2 days ago
Nearby Cities
Top Routes to Nantucket
Expedia's Latest Trends
Hotels
The Landmark LondonTrain Lodge Amsterdam - HostelBalaia Golf Village ResortAlbergo Del SenatoPestana Promenade Ocean Resort HotelHotels with Spa in GlassonBahia City HotelMarriott's Club Son AntemMontcalm Piccadilly Townhouse, London West EndThe WallaceHotels with Connecting Rooms in County KilkennyCahir House HotelHotels in LaplandCapsule Hotels New YorkFamily Friendly Hotels in Salou
Flights
Packages
Holiday Rentals
*Available to Expedia members.