Cheap flights from Shannon, Clare to Boston from €347

The month of January is, on average, the cheapest month to fly to Boston from Shannon, Clare, with most prices found around €370. The month of November is another great option to travel to Boston, with average flight prices from Shannon, Clare averaging around €442.

The cheapest day to depart from Shannon, Clare to Boston is on a Wednesday when prices can be found for as low as €595. Flights from Shannon, Clare to Boston on a Sunday will generally be more expensive and average around €704. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Flying to Boston from Shannon, Clare at midday is the least expensive time of day to depart. momondo users have found prices as low as €618 when looking at flights departing at midday. Flights in the morning are often more expensive, with an average ticket price of €796.

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

You are more likely to see cheaper flights to Boston from Shannon, Clare when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around €606 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 Shannon, Clare for as low as €463 on momondo.

There are 3 cabin classes available to choose from on Shannon, Clare to Boston flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 2% of flights between Shannon and Boston have experienced a delay on any given week. The average delay length over the past 12 months has been 250 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. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, Aer Lingus have had the fewest delays on this route over the last 12 months, with about 2% of their flights experiencing any sort of delay.

Newark (EWR) was the most common stop: 50% of momondo users choosing one-stop flights on this route connected there.

Flights via London (LHR) offer the lowest average return price of €568.

Flights connecting via Newark (EWR) have the shortest average one-way travel time: 10h 22m.

Newark (EWR) has the shortest average stopover time for this route: 1h 13m.

The number of flights available between Shannon, Clare and Boston is 5 per day as of September 2026. The most frequent departure time is 13:00, with 100% of daily flights leaving in the afternoon.

The number of flights available between Shannon, Clare and Boston is 35 per week as of September 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.