Cheap flights from Shannon, Clare to Boston from $371

In general, January is the cheapest month to fly from Shannon, Clare to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $424. If you aren’t able to travel during the month of January, then book flights to Boston from Shannon, Clare during November instead. Flights to Boston in November, while not as cheap as those in January, still average around $473.

The cheapest day to depart from Shannon, Clare to Boston is on a Tuesday when prices can be found for as low as $507. 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 $1,057.

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 $667 when searching weeks out. 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 $454 on momondo.

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

As of March 2026, prices for Shannon, Clare to Boston flights are approximately 40% more expensive when compared to flights at the same time last year.

Historically, on average around 1% 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 208 minutes.

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

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

According to our data, Aer Lingus have had the least number of delays on this route over the last 12 months; with about 1% of their flights experiencing any sort of delay.

As of March 2026, 5 flights take off from Shannon, Clare and land in Boston each day. The most common flight departure time for this route is 2:00PM, with 100% of daily flights taking off in the afternoon.

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