Cheap flights from Madrid to Boston from $399

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 $548. If you aren’t able to travel during the month of November, then book flights to Boston from Madrid during April instead. Flights to Boston in April, while not as cheap as those in November, still average around $581.

The cheapest day to depart from Madrid to Boston is on a Thursday when prices can be found for as low as $716. 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 $918.

According to our data, the cheapest time of day to fly to Boston is in the afternoon. momondo users have found flights departing from Madrid to Boston in the afternoon for as low as $698. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At noon is when there is more demand to fly to Boston, so prices are often more expensive at around $828 per ticket.

Fly from Madrid Barajas to Boston Logan Intl for the best Madrid Barajas - Boston Logan Intl flight prices

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 $654 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from Madrid for as low as $609 on momondo.

There are 3 cabin classes available to choose from on Madrid to Boston 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 Madrid to Boston.

As of November 2026, prices for Madrid to Boston flights are approximately 11% more expensive when compared to flights at the same time last year.

TAP AIR PORTUGAL, Finnair, and Delta are the most popular carriers operating from Madrid Barajas to Boston Logan Intl

Iberia, Delta and TAP AIR PORTUGAL are the top three most popular airlines that fly to Boston from Madrid according to our data. Iberia is the first choice among our users, with 65% of people opting to fly with this airline when traveling to Boston. Keep in mind that there are 8 different airlines that fly to Boston on a routine basis, so you have a few additional options to choose from.

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 151 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.

Thursday is statistically the day of the week which experiences the fewest number of 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 least number of delays on this route over the last 12 months; with about 6% of their flights experiencing any sort of delay.

New York (JFK) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

Flights via New York (JFK) offer the lowest average round-trip price of $466.

Flights connecting via Lisbon (LIS) have the shortest average one-way travel time: 11h 00m.

Lisbon (LIS) has the shortest average layover time for this route: 2h 13m.

3 flights are operational daily from Madrid to Boston as of November 2026. The most popular departure time for this route is 3:00PM, with 100% of flights per day taking off in the afternoon.

25 flights are operational weekly from Madrid to Boston as of November 2026. The most popular departure day for this route is Mon, with 20% of flights per week taking off on this day.