Cheap flights from Belfast to Dublin

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Planning a flight from Belfast to Dublin?

Flight prices from Belfast to Dublin change depending on demand and time of booking.

Choose a date to explore the best fares now.

Many users find better fares by booking several weeks in advance. In fact, for many routes, booking early is one of the best ways to save.

What are the airport options between Belfast and Dublin?

If both departure and destination cities offer multiple airports, comparing them can help you save time and money.

  • Airports in Belfast: City is another option besides Belfast - International.
  • Airports in Dublin: Dublin has one airport operating, Dublin.

Some airports have different terminals for low-cost and traditional airlines — knowing in advance can save time. You can filter results to see only the airports that suit you.

Flights from Belfast - International to Dublin

Plan your journey from Belfast to Dublin with ease

Use Jetcost to tailor your search — direct or connecting flights, round-trip or one-way, filtered by airline, price, travel time, or agency.

Other popular destinations

Exploring options in Ireland? These cities are trending: Cork, Dublin, Kerry County, Knock, Shannon.

Flight availability can change quickly — refresh the results if you’ve been away from the page for a while.
Frequently Asked Questions

Frequently asked questions about flights from Belfast to Dublin.

How much does an airline ticket from Belfast to Dublin cost?

Flight prices can vary a lot depending on the period and destination. At the moment, this information is not available for flights from Belfast to Dublin.

How far is Belfast from Dublin?

Belfast is about 136 km from Dublin.

What are the airports in Dublin?

Dublin has one airport: Dublin.

What are the airports in Belfast?

Belfast has another airport: City.

What are the most popular cities in Ireland?

The most popular cities in Ireland according to our users' searches are: Cork, Dublin, Kerry County, Knock, Shannon.

When should I book a flight from Belfast to Dublin?

This information is not available at the moment.

What is the cheapest month to fly from Belfast to Dublin?

This information is not available at the moment.

What is the most expensive month to fly from Belfast to Dublin?

This information is not available at the moment.

What is the best day of the week to fly from Belfast to Dublin?

This information is not available at the moment.