Cheap flights from Brighton to Ireland from £15

The month of January is, on average, the cheapest month to fly to Ireland from Brighton, with most prices found around £44. If you’re not able to fly to Ireland in January, then September is your next best option. Flight prices from Brighton to Ireland during September average around £54.

The cheapest day to depart on your flight to Ireland is on a Friday when prices can be found for as low as £305. This is often the case because there is less demand to fly during this day of the week. Flights from Brighton to Ireland on a Monday will generally be more expensive and average around £492. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

In the afternoon is the cheapest time of day to fly from Brighton to Ireland when you can find flight prices for as low as £139. Flying to Ireland in the afternoon is an ideal time because this is during off-peak travel hours. Flights to Ireland are more costly in the morning, with an average ticket price of £466. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from London Gatwick to Cork for the best Brighton - Ireland flight prices

You are more likely to see cheaper flights to Ireland from Brighton when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around £130 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 Brighton for as low as £96 on momondo.

There are 3 cabin classes available to choose from on Brighton to Ireland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Ryanair, Aer Lingus, and British Airways are the most popular carriers operating from Brighton to Ireland

Ryanair, Aer Lingus and British Airways are the top three most popular airlines that fly to Ireland from Brighton according to our data. Ryanair is the first choice among our users, with 68% of people opting to fly with this airline when travelling to Ireland. Keep in mind that there are 4 different airlines that fly to Ireland on a routine basis, so you have a few additional options to choose from.

The number of flights available between Brighton and Ireland is 91 per day as of April 2026. The most frequent departure time is 09:00, with 39% of daily flights leaving in the afternoon.

639 flights are operational weekly from Brighton to Ireland as of April 2026. The most popular departure day for this route is Thu, with 21% of flights per week taking off on this day.