Cheap flights from Belfast to Dublin

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Looking for the price of a flight from Belfast to Dublin?

There’s no fixed price — fares between Belfast and Dublin can vary a lot by day or time.

Select your dates to check current offers.

It’s often useful to check whether nearby airports offer better fares. Flying during less crowded periods also increases your chances of finding good deals.

Are there alternative airports near Belfast and Dublin?

The two cities are about 136 km apart. Looking beyond the main airport might reveal better options.

  • Airports in Belfast: Alongside Belfast - International, there's also City.
  • Airports in Dublin: Only Dublin is active at the moment.

Many smaller airports are connected by direct buses or shuttles, often at low cost. If Dublin has more than one airport, you can pick the most convenient for your destination.

Flights from Belfast - International to Dublin

Filter and compare flights from Belfast to Dublin

Jetcost helps you manage complex searches with simple filters. Sort by airline, duration, number of stops, or even time windows for outbound and return flights.

Other popular destinations

Want more ideas for your trip to Ireland? Check these: Cork, Dublin, Kerry County, Knock, Shannon.

Advanced filters help you skip long layovers or inconvenient times. The “airlines” filter is handy if you want to collect miles or prefer a certain onboard experience.
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?

The best time to book a flight from Belfast to Dublin is 1 month in advance, while the worst time is 1 week in advance.

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.