Cheap flights from Baltimore to Boston from $48

In general, March is the cheapest month to fly from Baltimore to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $149. If you aren’t able to travel during the month of March, then book flights to Boston from Baltimore during May instead. Flights to Boston in May, while not as cheap as those in March, still average around $177.

The cheapest day to depart from Baltimore to Boston is on a Thursday when prices can be found for as low as $278. 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 $377.

According to our data, the cheapest time of day to fly to Boston is in the evening. momondo users have found flights departing from Baltimore to Boston in the evening for as low as $255. 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 $412 per ticket.

Fly from Baltimore/Washington to Boston Logan Intl for the best Baltimore/Washington - Boston Logan Intl flight prices

You are more likely to see cheaper flights to Boston from Baltimore when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $226 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from Baltimore for as low as $161 on momondo.

There are 4 cabin classes available to choose from on Baltimore/Washington to Boston Logan Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 19% on your flight if you consider stops on a Baltimore to Boston flight.

As of February 2026, prices for Baltimore to Boston flights are approximately 17% more expensive when compared to flights at the same time last year.

Spirit Airlines, Frontier, and Delta are the most popular carriers operating from Baltimore/Washington to Boston Logan Intl

American Airlines, United Airlines and JetBlue are the top three most popular airlines that fly to Boston from Baltimore according to our data. American Airlines is the first choice among our users, with 30% of people opting to fly with this airline when traveling to Boston. Keep in mind that there are 7 different airlines that fly to Boston on a routine basis, so you have a few additional options to choose from.

Historically, on average around 18% of flights between Baltimore and Boston have experienced a delay on any given week. The average delay length over the past 12 months has been 122 minutes.

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

Wednesday 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 15% of their flights experiencing any sort of delay.

As of February 2026, 8 flights take off from Baltimore and land in Boston each day. The most common flight departure time for this route is 3:00PM, with 44% of daily flights taking off in the afternoon.

As of February 2026, there are 58 flights per week flying from Baltimore to Boston. The most common day of the week flights depart is Thu, with 22% of flights taking off on this day.