Cheap flights from Boston to Europe from $227

The cheapest month to fly to Europe from Boston is in October. Flight prices, which tend to average around $517, are often lower during this time because this is during the off-season. If you aren’t able to travel to Europe during the month of October, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $522.

The cheapest day to depart from Boston to Europe is on a Tuesday. Travelers who choose to depart for Europe on a Tuesday will often find tickets for as low as $656. Flights from Boston to Europe on a Saturday will generally be more expensive and average around $703. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

According to our data, the cheapest time of day to fly to Europe is in the afternoon. momondo users have found flights departing from Boston to Europe in the afternoon for as low as $608. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the evening because they tend to be around $685. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Boston Logan Intl to Barcelona-El Prat for the best Boston Logan Intl - Europe flight prices

You are more likely to see cheaper flights to Europe from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Europe for around $626 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Europe from Boston for as low as $602 on momondo.

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

United Airlines, KLM, and TAP AIR PORTUGAL are the most popular carriers operating from Boston Logan Intl to Europe

Iberia, Delta and TAP AIR PORTUGAL are the top three most popular airlines that fly to Europe from Boston according to our data. Iberia is the first choice among our users, with 28% of people opting to fly with this airline when traveling to Europe. Keep in mind that there are 28 different airlines that fly to Europe on a routine basis, so you have a few additional options to choose from.

As of April 2026, there are 74 flights per day flying from Boston to Europe. The most common time of day flights depart is 5:00PM, with 68% of flights taking off in the evening.

As of April 2026, there are 518 flights per week flying from Boston to Europe. The most common day of the week flights depart is Thu, with 17% of flights taking off on this day.