Cheap flights from Dublin to the United Kingdom from £13

The cheapest month to fly to United Kingdom from Dublin is in January. Flight prices, which tend to average around £60, are often lower during this time because this is during the off-season. If you are unable to visit United Kingdom during the month of January, then departing from Dublin during the month September is also very affordable. Most momondo users find prices during this month for around £69.

The cheapest day to depart from Dublin to United Kingdom is on a Friday. Travellers who choose to depart for United Kingdom on a Friday will often find tickets for as low as £157. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Dublin to United Kingdom for around £483.

The cheapest time of day to fly to United Kingdom is in the evening when flights can be purchased for as low as £142. Try not to purchase tickets in the afternoon because they tend to be around £576. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to United Kingdom from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around £127 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from Dublin for as low as £91 on momondo.

There are 3 cabin classes available to choose from on Dublin to United Kingdom 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 Norwegian are the most popular carriers operating from Dublin to United Kingdom

Ryanair, Aer Lingus and British Airways are the top three most popular airlines that fly to United Kingdom from Dublin according to our data. Ryanair is the first choice among our users, with 70% of people opting to fly with this airline when travelling to United Kingdom. Keep in mind that there are 3 different airlines that fly to United Kingdom on a routine basis, so you have a few additional options to choose from.

Historically, on average around 16% of flights between Dublin and United Kingdom have experienced a delay on any given week. The average delay length over the past 12 months has been 98 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.

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, British Airways have had the fewest delays on this route over the last 12 months, with about 14% of their flights experiencing any sort of delay.

As of March 2026, there are 109 flights per day flying from Dublin to United Kingdom. The most common time of day flights depart is 10:00, with 50% of flights taking off at midday.

As of March 2026, 768 flights take off from Dublin and land in United Kingdom each week. The most common flight departure day for this route is Sun, with 24% of weekly flights taking off on this day.