Cheap Flights from Washington D.C. to Boston from S$ 51

Frequently Asked Questions

• Which airlines offer the cheapest flights from Washington D.C. (WAS) to Boston (BOS)?

  Based on Trip.com data, Delta Air Lines offers one-way fares as low as S$ 51 on Cheapest nonstop routes (e.g. DCA to BOS on Sun, Sep 20), while American Airlines offers Cheapest nonstop round-trips from S$ 125 departing on Sun, Sep 6 and returning on Mon, Sep 7.

• Which airlines offer direct flights from Washington D.C. to Boston?

  At the moment, you can catch a direct flight from Washington D.C. to Boston with the following airlines, including: Delta Air Lines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long is a flight from Washington D.C. (WAS) to Boston (BOS)?

  It takes about 1 hour 40 minutes to fly from Washington D.C. (WAS) to Boston (BOS).

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

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Washington D.C. to Boston 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 many flights are there per week from Washington D.C. to Boston?

  Based on Trip.com data in the past 4 weeks, there is 155 flight per week flying from Washington D.C. to Boston. You can check the weekly schedule for popular airlines on this route below: Delta Air Lines: S/M/T/W/T/F/S -- DL5687 (08:43)

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

  To find best deals on flights from Washington D.C. to Boston, 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 Sun, Sep 20, with one-way flights priced at just S$ 51.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Delta Air Lines.
  · 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 Boston travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When is the best time to book a flight from Washington D.C. to Boston to get the best price?

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

• Which upcoming date is the cheapest for flights from Washington D.C. to Boston?

  After crunching the numbers on our August flight calendar, it's currently cheapest to fly from Washington D.C. to Boston on August 31, 2026 with American Airlines, with prices starting at S$ 125.

• Which airports can I fly through when travelling to Boston from Washington D.C.?

  You can land at any one of the following hubs in Boston, with Ronald Reagan Washington National Airport to Boston Logan International Airport (DCA-BOS) is by far the most common option on this route: Boston Logan International Airport (BOS) Hartford Barnes Airport (BNH) Portsmouth International Airport (PSM).

• What is the time difference between Washington D.C. and Boston?

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

• How can I change or cancel my flight ticket from Washington D.C. to Boston?

  Tickets can only be changed or cancelled 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 Washington D.C. to Boston?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Washington D.C. to Boston is S$ 201. Fares vary by travel date, airline and availability.

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

  Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Washington D.C. to Boston is S$ 336. The final price depends on the outbound and return dates, airline and fare conditions.

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

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

• Are there budget airlines on the Washington D.C. to Boston route?

  Jetblue Airwaysare the most popular budget airlines flying from Washington D.C. to Boston. Check baggage, seat and payment fees before comparing the final price.