Cheap flights from Belfast to Dublin

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Flight prices from Belfast to Dublin

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

Choose a date to explore the best fares now.

The lowest fares are often found with some flexibility in travel dates. If your plans are flexible, you’ll have a better chance of finding cheap flights.

Which airports serve Belfast and Dublin?

When planning a trip of about 136 km, it's a good idea to check flights from surrounding airports too.

  • Airports in Belfast: City is also an option alongside Belfast - International.
  • Airports in Dublin: The only active airport in Dublin is Dublin.

The closest airport isn’t always the cheapest — it’s worth checking the alternatives too. In some cities, smaller airports offer lower fares than the main ones.

Flights from Belfast - International to Dublin

Plan smarter: flights from Belfast to Dublin

Find the flight that fits your plans with Jetcost. You can filter results by stops, agencies, budget, time of day, and airline — all in one search.

Other popular destinations

Travelers flying to Ireland also checked out: Cork, Dublin, Kerry County, Knock, Shannon.

Comparing offers from multiple agencies helps you find the best price for the same route. You can also spot exclusive deals from individual airlines right in the results list.
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.