Cheap flights from London Stansted Airport to Ireland from £14

The month of January is, on average, the cheapest month to fly to Ireland from London Stansted Airport, with most prices found around £53. If you’re not able to fly to Ireland in January, then September is your next best option. Flight prices from London Stansted Airport to Ireland during September average around £58.

The cheapest day to depart on your flight to Ireland is on a Tuesday when prices can be found for as low as £48. This is often the case because there is less demand to fly during this day of the week. Flights from London Stansted Airport to Ireland on a Friday will generally be more expensive and average around £79. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

In the evening is the cheapest time of day to fly from London Stansted Airport to Ireland when you can find flight prices for as low as £59. Flying to Ireland in the evening is an ideal time because this is during off-peak travel hours. Flights to Ireland are more costly at midday, with an average ticket price of £71. Departure times at midday fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from London Stansted to Knock Intl for the best London Stansted - Ireland flight prices

You are more likely to see cheaper flights to Ireland from London Stansted Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around £68 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from London Stansted Airport for as low as £49 on momondo.

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

Historically, on average around 21% of flights between London and Ireland have experienced a delay on any given week. The average delay length over the past 12 months has been 99 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. Thursday has historically seen more delays on average compared to the rest of the week.

According to our data, Ryanair have had the fewest delays on this route over the last 12 months, with about 22% of their flights experiencing any sort of delay.

3 flights are operational daily from London Stansted Airport to Ireland as of March 2026. The most popular departure time for this route is 06:00, with 40% of flights per day taking off in the afternoon.

The number of flights available between London Stansted Airport and Ireland is 21 per week as of March 2026. The most frequent departure day is Fri, with 95% of weekly flights leaving on this day.