Cheap Flights from Nantucket to Washington D.C. from US$126

Frequently Asked Questions

• What are the cheapest flights from Nantucket to Washington D.C. (ACK-WAS)?

  Based on Trip.com data, Jetblue Airways offers one-way fares as low as US$126 on Cheapest nonstop routes (e.g. ACK to DCA on Wed, Oct 14), while Jetblue Airways offers Cheapest nonstop round-trips from US$299 departing on Wed, Oct 14 and returning on Sun, Oct 18.

• How long is a flight from Nantucket to Washington D.C.?

  It takes about 1 hour 37 minutes to fly from Nantucket to Washington D.C..

• When is the best time to book flights from Nantucket to Washington D.C.?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Nantucket to Washington D.C. is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How can I find the best deals on flights from Nantucket to Washington D.C.?

  To find best deals on flights from Nantucket to Washington D.C., you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Oct 14, with one-way flights priced at just US$126.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Jetblue Airways.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Washington D.C. travel is around November.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Nantucket (ACK) to Washington D.C. (WAS) the cheapest?

  The cheapest months to fly from Nantucket to Washington D.C. is August, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Nantucket to Washington D.C. on?

  After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Nantucket to Washington D.C. on October 11, 2026 with Jetblue Airways, with prices starting at US$584.

• Is there any time difference between Nantucket and Washington D.C.?

  The time difference between Washington D.C. and Nantucket is 0m.

• How do I change or cancel my ticket from Nantucket to Washington D.C.?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

• What is the average cost of a one-way flight from Nantucket to Washington D.C.?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Nantucket to Washington D.C. is US$523. Fares vary by travel date, airline and availability.

• What is the average cost of a round-trip flight from Nantucket to Washington D.C.?

  Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Nantucket to Washington D.C. is US$622. The final price depends on the outbound and return dates, airline and fare conditions.

• How do I book flights from Nantucket to Washington D.C. on Trip.com?

  Enter Nantucket and Washington D.C., choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.