Nantucket (ACK) to Washington (DCA) flights
2 airlines fly nonstop from Nantucket (ACK) to Washington (DCA): American Airlines and JetBlue Airways. The two airports are 405 miles (651 km) apart. American Airlines is in oneworld. There are also 9 ways to fly it with one stop, through Philadelphia, New York and Martha's Vineyard and more.
Airlines flying nonstop from ACK to DCA
- American Airlinesoneworld Β· bookable with 9 programsWho books it

- JetBlue AirwaysNot in an alliance Β· bookable with 2 programsWho books it

Book ACK to DCA with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Alaska Atmos RewardsBooks American Airlines
- American AAdvantageBooks American Airlines
- British Airways ClubBooks American Airlines
- Cathay Pacific Asia MilesBooks American Airlines
- Finnair PlusBooks American Airlines
- Iberia ClubBooks American Airlines
- JAL Mileage BankBooks American Airlines
- JetBlue TrueBlueBooks JetBlue Airways
- Qantas Frequent FlyerBooks American Airlines
- Qatar Airways Privilege ClubBooks American Airlines
- Singapore Airlines KrisFlyerBooks JetBlue Airways
ACK to DCA with one stop
9 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Philadelphia (PHL)American Airlines the whole way


- Via New York (JFK)JetBlue Airways and Delta Air Lines the whole way





- Via Martha's Vineyard (MVY)Cape Air, then American Airlines and JetBlue Airways



- Via New York (EWR)United Airlines the whole way


- Via New York (LGA)American Airlines and Delta Air Lines the whole way





- Via Westchester County (HPN)Tradewind Aviation and JetBlue Airways, then American AirlinesTJ


- Via Hyannis (HYA)Cape Air, then American Airlines


- Via Boston (BOS)JetBlue Airways and American Airlines the whole way






- Via Charlotte (CLT)American Airlines the whole way


ACK to DCA: common questions
Which airlines fly nonstop from ACK to DCA?
American Airlines (oneworld) and JetBlue Airways fly nonstop from Nantucket (ACK) to Washington (DCA).
How far is Nantucket from Washington by plane?
Nantucket (ACK) and Washington (DCA) are 405 miles (651 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book ACK to DCA award flights?
11 programs can book at least one of the nonstop airlines: Alaska Atmos Rewards, American AAdvantage, British Airways Club, Cathay Pacific Asia Miles, Finnair Plus, Iberia Club, JAL Mileage Bank, JetBlue TrueBlue and 3 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does ACK to DCA cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for ACK to DCA with taxes and fees.
Where can I connect between Nantucket and Washington?
The most direct connections are through Philadelphia (PHL), New York (JFK), Martha's Vineyard (MVY), New York (EWR) and New York (LGA). On 6 of them the same airline flies both flights, for example American Airlines through Philadelphia.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.