Cheap flights from Belfast to Ireland from £82

Q: What is the cheapest flight to Ireland from Belfast?

The cheapest flight from Belfast to Ireland costs £82. Explore the different prices of flights from Belfast to Ireland and find the best option for you.

Q: When is it the cheapest time to fly from Belfast to Ireland?

The cheapest month to fly from Belfast to Ireland is August. See if any of these flights in August suit you.

Q: What is the cheapest Belfast to Ireland flight route?

We've taken a look at the year ahead using our flights calendar. The cheapest flight route from Belfast to Ireland is Belfast to Dublin. You can buy a ticket to fly this route from £82. Take a look at Belfast to Dublin flights.

Q: What is the cheapest airline that flies to Ireland from Belfast?

Looking at the year ahead, the cheapest airline flying to Ireland from Belfast is Ryanair. Explore flight ticket options today.

Compare flights from Belfast to Ireland

Find the cheapest month or even day of the year to fly

Book the best fare with no fees

Destinations Route info Cheapest month Flight deals FAQs Tips and advice

Where in Ireland would you like to go?

There are lots of destinations to choose from when you're planning your trip from Belfast to Ireland.

See more destinations

Flying from Belfast to Ireland

The things to know before you go.

Cheapest flight ticket found	£82
Cheapest month to fly	August
Places to go	7

Cheapest time to fly from Belfast to Ireland

Looking for the cheapest ticket prices to Ireland from Belfast? We can help you pick the cheapest month to fly.

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Apr

Belfast to Ireland flight deals

Looking for a cheap flight ticket from Belfast to Ireland? Whether you're looking for a direct flight, return flight or one way ticket we've got you.

Dublin.£82 per passenger.Departing Fri, 22 Aug, returning Mon, 25 Aug.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Belfast International on Fri, 22 Aug, arriving in Dublin.Inbound indirect flight with Ryanair, departs from Dublin on Mon, 25 Aug, arriving in Belfast International.Price includes taxes and charges.From £82, select.

Cork.£86 per passenger.Departing Fri, 25 Jul, returning Sat, 26 Jul.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Belfast International on Fri, 25 Jul, arriving in Cork.Inbound indirect flight with Ryanair, departs from Cork on Sat, 26 Jul, arriving in Belfast International.Price includes taxes and charges.From £86, select.

Shannon.£99 per passenger.Departing Tue, 22 Jul, returning Thu, 24 Jul.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Belfast International on Tue, 22 Jul, arriving in Shannon.Inbound indirect flight with Ryanair, departs from Shannon on Thu, 24 Jul, arriving in Belfast International.Price includes taxes and charges.From £99, select.

Knock.£99 per passenger.Departing Fri, 15 Aug, returning Sun, 17 Aug.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Belfast International on Fri, 15 Aug, arriving in Ireland West Knock.Inbound indirect flight with Ryanair, departs from Ireland West Knock on Sun, 17 Aug, arriving in Belfast International.Price includes taxes and charges.From £99, select.

Farranfore.£114 per passenger.Departing Tue, 1 Jul, returning Sat, 5 Jul.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Belfast International on Tue, 1 Jul, arriving in Kerry.Inbound indirect flight with Ryanair, departs from Kerry on Sat, 5 Jul, arriving in Belfast International.Price includes taxes and charges.From £114, select.

Donegal.£184 per passenger.Departing Thu, 22 May, returning Thu, 29 May.Return flight with Ryanair and Aer Lingus.Outbound indirect flight with Ryanair, departs from Belfast International on Thu, 22 May, arriving in Donegal.Inbound indirect flight with Aer Lingus, departs from Donegal on Thu, 29 May, arriving in Belfast International.Price includes taxes and charges.From £184, select.

See more deals

Flights from Belfast to Ireland FAQs

What is the cheapest flight to Ireland from Belfast?

When is it the cheapest time to fly from Belfast to Ireland?

What is the cheapest Belfast to Ireland flight route?

What is the cheapest airline that flies to Ireland from Belfast?

Cheapest flights to Ireland from Belfast

Belfast to Dublin from £82
Price found 20 May 2025, 17:33
Belfast to Cork from £86
Price found 20 May 2025, 18:20
Belfast to Shannon from £99
Price found 20 May 2025, 18:24
Belfast to Knock from £99
Price found 19 May 2025, 08:37
Belfast to Farranfore from £114
Price found 20 May 2025, 18:32
Belfast to Donegal from £184
Price found 17 May 2025, 21:10

How to find cheap flights from Belfast to Ireland

Looking for flight tickets from Belfast to Ireland? Round-trip tickets start from £82 and one-way flights from Belfast to Ireland start from £37

Here are some tips on how to secure the best flight price and make your journey as smooth as possible.

Simply hit "search." From American Airlines to international carriers like Emirates, we've compared flights from all major airlines and online travel agents to find the cheapest Belfast to Ireland flights. And with us, there are no hidden fees – what you see is what you pay.
Compare cheap Belfast to Ireland flight deals from over 1,000 providers. Then choose the cheapest plane tickets or fastest journeys. Flight tickets to Ireland start from £37 one-way.
Flex your dates to secure the best fares for your Belfast to Ireland ticket. If your travel dates are flexible, use Skyscanner's "Whole month" tool to find the cheapest month, and even day to fly from Belfast to Ireland.
Set up a Price Alert. We price-check with over 1,000 travel companies so you don't have to. You can easily track the price of your airline tickets from Belfast to Ireland by creating an alert. Whenever prices go up or down, you'll get an email or push notification to help make sure you get the best possible flight deal.
Look for direct flights. Only interested in direct flights from Belfast to Ireland? Make sure to tick "Direct flights only" when performing a search. If there are direct Belfast to Ireland flights available, these will appear in the results.
Find the cheapest Business Class flights from Belfast to Ireland. Check the difference in price of your plane ticket to Ireland from Belfast when traveling in Economy, Premium Economy, Business or First Class. Note that not all cabin classes are available for every destination or airline.
Include nearby airports in your search. Widen your search for Belfast to Ireland flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure and destination point and could help you save money.
Search for flights on the go. To get the best flight booking experience on the go, download our app and search for cheap flight tickets from Belfast to Ireland when out and about.

Combine your flight from Belfast to Ireland with hotels and car rental

Once you've secured your plane ticket, we'll also help you discover the best prices and exclusive rates for hotels in Ireland or close by. Lastly, compare hundreds of car rental companies at once so that you get the best car rental deals for your trip.

Compare Belfast to Ireland flight tickets with other routes using the everywhere search

Not quite yet set on flying to Ireland from Belfast? You can easily browse other destinations by searching flights to "Everywhere" – this will allow you to find the cheapest place to travel to.

Ireland hotels and car hire

Did you know we can help you plan the rest of your trip from Belfast to Ireland? Get exclusive deals and great rates for hotels and car hire in Ireland.