Cheap flights from the United States to Shannon from $245

In general, December is the cheapest month to fly from United States to Shannon, Clare. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $242. If you are unable to visit Shannon, Clare during the month of December, then departing from United States during the month November is also very affordable. Most momondo users find prices during this month for around $242.

The cheapest day to depart from United States to Shannon, Clare is on a Monday when prices can be found for as low as $592. The most expensive day to fly to Shannon, Clare is Friday, with ticket prices averaging around $629.

Our data shows that the cheapest United States to Shannon, Clare flights are usually those with departure times in the afternoon. Our users have found flights to Shannon, Clare in the afternoon for as low as $604. Flights in the evening are often more expensive with an average ticket price of $613.

Fly from New York John F Kennedy 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 $620 when searching weeks out. 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 $464 on momondo.

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

United Airlines, Delta, and British Airways are the most popular carriers operating from United States to Shannon

Aer Lingus, United Airlines and American Airlines are the top three most popular airlines that fly to Shannon, Clare from United States according to our data. Aer Lingus is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Shannon, Clare. Keep in mind that there are 10 different airlines that fly to Shannon, Clare on a routine basis, so you have a few additional options to choose from.

Historically, on average around 30% 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 at night have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week which experiences the fewest number of 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 least number of delays on this route over the last 12 months; with about 30% of their flights experiencing any sort of delay.

20 flights are operational daily from United States to Shannon, Clare as of June 2026. The most popular departure time for this route is 6:00PM, with 100% of flights per day taking off in the evening.

142 flights are operational weekly from United States to Shannon, Clare as of June 2026. The most popular departure day for this route is Tue, with 15% of flights per week taking off on this day.