Cheap flights from the United States to Shannon from €238

The month of November is another great option to travel to Shannon, Clare, with average flight prices from United States averaging around €264.

The cheapest day to depart on your flight to Shannon, Clare is on a Wednesday when prices can be found for as low as €476. This is often the case because there is less demand to fly during this day of the week. On the other hand, Tuesday is the most expensive day to depart from United States because it is more convenient for both business and leisure travellers. As a result, prices tend to be around €560.

In the evening is the cheapest time of day to fly from United States to Shannon, Clare when you can find flight prices for as low as €476. Flying to Shannon, Clare in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Shannon, Clare is in the afternoon when prices are around €648.

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

You are more likely to see cheaper flights to Shannon, Clare from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Shannon, Clare for around €521 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Shannon, Clare from United States for as low as €422 on momondo.

Historically, on average around 31% of flights between United States and Shannon have experienced a delay on any given week. The average delay length over the past 12 months has been 174 minutes.

Generally, flights departing in the evening tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

Tuesday 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, United Airlines have had the fewest delays on this route over the last 12 months, with about 30% of their flights experiencing any sort of delay.

As of May 2026, there are 13 flights per day flying from United States to Shannon, Clare. The most common time of day flights depart is 18:00, with 100% of flights taking off in the evening.

The number of flights available between United States and Shannon, Clare is 91 per week as of May 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.