Cheap flights from Boston to Washington, D.C. from R1 166

In general, January is the cheapest month to fly from Boston to Washington, D.C.. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around R3 666. If you aren’t able to travel during the month of January, then book flights to Washington, D.C. from Boston during December instead. Flights to Washington, D.C. in December, while not as cheap as those in January, still average around R3 766.

Fly from Boston Logan Intl to Washington, D.C. Reagan-National for the best Boston Logan Intl - Washington, D.C. flight prices

You are more likely to see cheaper flights to Washington, D.C. from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around R5 189 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Boston for as low as R4 215 on momondo.

There is only 1 cabin class available to choose from on Boston to Washington, D.C. flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between Boston to Washington, D.C..

As of October 2026, prices for Boston to Washington, D.C. flights are approximately 31% more expensive when compared to flights at the same time last year.

Historically, on average around 20% of flights between Boston and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 133 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, American Airlines have had the fewest delays on this route over the last 12 months, with about 18% of their flights experiencing any sort of delay.

As of October 2026, there are 18 flights per day flying from Boston to Washington, D.C.. The most common time of day flights depart is 9:00, with 35% of flights taking off at midday.

As of October 2026, there are 132 flights per week flying from Boston to Washington, D.C.. The most common day of the week flights depart is Thu, with 38% of flights taking off on this day.