Cheap flights from Dublin to London from R399

The month of September is, on average, the cheapest month to fly to London from Dublin, with most prices found around R1 647. If you are unable to visit London during the month of September, then departing from Dublin during the month January is also very affordable. Most momondo users find prices during this month for around R1 664.

The cheapest day to depart on your flight to London is on a Friday when prices can be found for as low as R11 866. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Dublin because it is more convenient for both business and leisure travellers. As a result, prices tend to be around R15 810.

The cheapest time of day to fly to London is in the morning when flights can be purchased for as low as R5 429. Try not to purchase tickets at midday because they tend to be around R15 776. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to London from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around R2 793 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Dublin for as low as R2 063 on momondo.

There are 3 cabin classes available to choose from on Dublin to London 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 16% of flights between Dublin and London have experienced a delay on any given week. The average delay length over the past 12 months has been 103 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night 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, Aer Lingus have had the fewest delays on this route over the last 12 months, with about 14% of their flights experiencing any sort of delay.

65 flights are operational daily from Dublin to London as of November 2026. The most popular departure time for this route is 8:00, with 43% of flights per day taking off at midday.

As of November 2026, 456 flights take off from Dublin and land in London each week. The most common flight departure day for this route is Sun, with 20% of weekly flights taking off on this day.