Cheap flights from Washington, D.C. Reagan-National Airport to Boston from $87

In general, January is the cheapest month to fly from Washington, D.C. Reagan-National Airport to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $207. If you aren’t able to travel during the month of January, then book flights to Boston from Washington, D.C. Reagan-National Airport during December instead. Flights to Boston in December, while not as cheap as those in January, still average around $227.

The cheapest day to depart from Washington, D.C. Reagan-National Airport to Boston is on a Thursday when prices can be found for as low as $291. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Sunday is $381.

According to our data, the cheapest time of day to fly to Boston is in the evening. momondo users have found flights departing from Washington, D.C. Reagan-National Airport to Boston in the evening for as low as $262. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Boston, so prices are often more expensive at around $426 per ticket.

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

You are more likely to see cheaper flights to Boston from Washington, D.C. Reagan-National Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $260 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from Washington, D.C. Reagan-National Airport for as low as $191 on momondo.

Delta is the most popular carrier operating from Washington, D.C. Reagan-National to Boston Logan Intl

American Airlines, JetBlue and Delta are the top three most popular airlines that fly to Boston from Washington, D.C. Reagan-National Airport according to our data. American Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Boston. Keep in mind that there are 5 different airlines that fly to Boston on a routine basis, so you have a few additional options to choose from.

Historically, on average around 21% of flights between Washington, D.C. and Boston 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 in the evening have, in the past, seen delays more frequently in comparison.

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

According to our data, Delta have had the least number of delays on this route over the last 12 months; with about 16% of their flights experiencing any sort of delay.

As of May 2026, there are 43 flights per day flying from Washington, D.C. Reagan-National Airport to Boston. The most common time of day flights depart is 3:00PM, with 53% of flights taking off in the afternoon.

As of May 2026, 302 flights take off from Washington, D.C. Reagan-National Airport and land in Boston each week. The most common flight departure day for this route is Thu, with 20% of weekly flights taking off on this day.