Cheap flights from Brighton to Dublin from £19

In general, January is the cheapest month to fly from Brighton to Dublin. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £44. If you aren’t able to travel to Dublin during the month of January, then flying in September is also cheap. Prices for this month can be found on momondo for an average of £54.

On average, the least expensive day to fly to Dublin from Brighton is on a Saturday. momondo users have found tickets for Saturday departures for as low as £103. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around £139. These prices are subject to change though, so be sure to set up a Price Alert for flights to Dublin.

Flying to Dublin from Brighton in the evening is the least expensive time of day to depart. momondo users have found prices as low as £83 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £122 on average. Flights to Dublin from Brighton in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

Fly from London Stansted to Dublin for the best Brighton - Dublin flight prices

You are more likely to see cheaper flights to Dublin from Brighton when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around £129 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 Brighton for as low as £93 on momondo.

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

Ryanair and British Airways are the most popular carriers operating from Brighton to Dublin

Ryanair, Aer Lingus and British Airways are the top three most popular airlines that fly to Dublin from Brighton according to our data. Ryanair is the first choice among our users, with 67% of people opting to fly with this airline when travelling to Dublin. Keep in mind that there are 4 different airlines that fly to Dublin on a routine basis, so you have a few additional options to choose from.

The number of flights available between Brighton and Dublin is 69 per day as of February 2026. The most frequent departure time is 08:00, with 43% of daily flights leaving at midday.

The number of flights available between Brighton and Dublin is 486 per week as of February 2026. The most frequent departure day is Sun, with 20% of weekly flights leaving on this day.