Cheap flights from the United Kingdom to Dublin from €20

If you aren’t able to travel during the month of September, then book flights to Dublin from United Kingdom during January instead. Flights to Dublin in January, while not as cheap as those in September, still average around €68.

Our data shows that Wednesday is the least expensive day to fly to Dublin. Tickets to fly out on this day can be as low as €109. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around €245. These prices are subject to change though, so be sure to set up a Price Alert for flights to Dublin.

Our data shows that the cheapest United Kingdom to Dublin flights are usually those with departure times in the evening. Our users have found flights to Dublin in the evening for as low as €103. If you have a flexible travel schedule, then try to avoid flying at midday when prices are €191 on average. Flights to Dublin from United Kingdom at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

Fly from Newcastle upon Tyne to Dublin for the best United Kingdom - Dublin flight prices

You are more likely to see cheaper flights to Dublin from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around €153 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from United Kingdom for as low as €109 on momondo.

There is only 1 cabin class available to choose from on United Kingdom to Dublin flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Ryanair, British Airways, and Aer Lingus are the most popular carriers operating from United Kingdom to Dublin

Ryanair, British Airways and Aer Lingus are the top three most popular airlines that fly to Dublin from United Kingdom according to our data. Ryanair is the first choice among our users, with 57% of people opting to fly with this airline when travelling to Dublin. Keep in mind that there are 3 different airlines that fly to Dublin on a routine basis, so you have a few additional options to choose from.

Historically, on average around 22% of flights between United Kingdom and Dublin have experienced a delay on any given week. The average delay length over the past 12 months has been 100 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.

Tuesday 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, British Airways have had the fewest delays on this route over the last 12 months, with about 15% of their flights experiencing any sort of delay.

As of August 2026, 105 flights take off from United Kingdom and land in Dublin each day. The most common flight departure time for this route is 08:00, with 41% of daily flights taking off in the afternoon.

The number of flights available between United Kingdom and Dublin is 741 per week as of August 2026. The most frequent departure day is Wed, with 22% of weekly flights leaving on this day.