Cheap flights from Madrid to Boston from $641

In general, November is the cheapest month to fly from Madrid to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $798. The month of April is another great option to travel to Boston, with average flight prices from Madrid averaging around $830.

You are more likely to see cheaper flights to Boston from Madrid when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $928 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from Madrid for as low as $811 on momondo.

Historically, on average around 11% of flights between Madrid and Boston have experienced a delay on any given week. The average delay length over the past 12 months has been 137 minutes.

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

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

According to our data, Iberia have had the fewest delays on this route over the last 12 months, with about 4% of their flights experiencing any sort of delay.

10 flights are operational daily from Madrid to Boston as of July 2026. The most popular departure time for this route is 13:00, with 100% of flights per day taking off in the afternoon.

72 flights are operational weekly from Madrid to Boston as of July 2026. The most popular departure day for this route is Mon, with 19% of flights per week taking off on this day.