Cheap flights from Dublin to the United States from £219

The month of September is, on average, the cheapest month to fly to United States from Dublin, with most prices found around £342. If you are unable to visit United States during the month of September, then departing from Dublin during the month February is also very affordable. Most momondo users find prices during this month for around £343.

According to our data, Thursday is the cheapest day to fly to United States from Dublin. The lowest ticket price found for a Thursday departure recently was £444. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Dublin to United States for around £515.

Our most recent data shows that the best time of day to fly to United States is in the afternoon. Flights from Dublin to United States during this time can be as low as £401. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £505 on average. Flights to United States from Dublin in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

You are more likely to see cheaper flights to United States from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to United States for around £434 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United States from Dublin for as low as £368 on momondo.

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

JetBlue, HiSky, and TAP AIR PORTUGAL are the most popular carriers operating from Dublin to United States

Aer Lingus, United Airlines and British Airways are the top three most popular airlines that fly to United States from Dublin according to our data. Aer Lingus is the first choice among our users, with 61% of people opting to fly with this airline when travelling to United States. Keep in mind that there are 17 different airlines that fly to United States on a routine basis, so you have a few additional options to choose from.

Historically, on average around 14% of flights between Dublin and United States have experienced a delay on any given week. The average delay length over the past 12 months has been 143 minutes.

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

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Friday 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 12% of their flights experiencing any sort of delay.

55 flights are operational daily from Dublin to United States as of April 2026. The most popular departure time for this route is 13:00, with 64% of flights per day taking off in the afternoon.

387 flights are operational weekly from Dublin to United States as of April 2026. The most popular departure day for this route is Sat, with 16% of flights per week taking off on this day.