Cheap flights from Massachusetts to Ireland from $241

In general, January is the cheapest month to fly from Massachusetts to Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $427. If you aren’t able to travel to Ireland during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $442.

The cheapest day to depart on your flight to Ireland is on a Monday when prices can be found for as low as $639. This is often the case because there is less demand to fly during this day of the week. Flights from Massachusetts to Ireland on a Friday will generally be more expensive and average around $712. 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 Ireland is in the evening. momondo users have found flights departing from Massachusetts to Ireland in the evening for as low as $647. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Ireland is in the afternoon when prices are around $701.

Fly from Boston Logan Intl to Dublin for the best Massachusetts - Ireland flight prices

You are more likely to see cheaper flights to Ireland from Massachusetts when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around $571 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Massachusetts for as low as $548 on momondo.

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

United Airlines, Aer Lingus, and Delta are the most popular carriers operating from Massachusetts to Ireland

Aer Lingus, Delta and JetBlue are the top three most popular airlines that fly to Ireland from Massachusetts according to our data. Aer Lingus is the first choice among our users, with 67% of people opting to fly with this airline when traveling to Ireland. Keep in mind that there are 13 different airlines that fly to Ireland on a routine basis, so you have a few additional options to choose from.

As of September 2026, there are 24 flights per day flying from Massachusetts to Ireland. The most common time of day flights depart is 5:00PM, with 67% of flights taking off in the evening.

As of September 2026, there are 174 flights per week flying from Massachusetts to Ireland. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.