Cheap flights from London Heathrow Airport to Dublin from ₹ 6,955

The month of January is, on average, the cheapest month to fly to Dublin from London Heathrow Airport, with most prices found around ₹ 13,625. If you don’t want to visit Dublin in January, then you should wait until October to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of ₹ 15,531.

The cheapest day to depart on your flight to Dublin is on a Saturday when prices can be found for as low as ₹ 5,540. This is often the case because there is less demand to fly during this day of the week. Flights from London Heathrow Airport to Dublin on a Sunday will generally be more expensive and average around ₹ 37,278. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our most recent data shows that the best time of day to fly to Dublin is in the morning. Flights from London Heathrow Airport to Dublin during this time can be as low as ₹ 7,621. In contrast, the most expensive time of day to depart to Dublin is at midday when prices are around ₹ 23,086.

Fly from London Heathrow to Dublin for the best London Heathrow - Dublin flight prices

You are more likely to see cheaper flights to Dublin from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around ₹ 16,865 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 London Heathrow Airport for as low as ₹ 11,624 on momondo.

There are 3 cabin classes available to choose from on London Heathrow Airport to Dublin 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 14% of flights between London and Dublin have experienced a delay on any given week. The average delay length over the past 12 months has been 105 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. Sunday 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 13% of their flights experiencing any sort of delay.

As of September 2026, 59 flights take off from London Heathrow Airport and land in Dublin each day. The most common flight departure time for this route is 08:00, with 44% of daily flights taking off in the afternoon.

418 flights are operational weekly from London Heathrow Airport to Dublin as of September 2026. The most popular departure day for this route is Fri, with 17% of flights per week taking off on this day.