€76 Find Cheap Flights from Belfast to Dublin

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Belfast to Dublin departing on 4/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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Search hundreds of travel sites at once for deals on flights to Dublin

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Belfast to Dublin, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Belfast to Dublin, as well as popular online travel agencies
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Cheap Flight Deals from Belfast to Dublin

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Belfast to Dublin that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent return flight deals from Belfast to Dublin

Recommended return deals departing in the coming months from the most popular airlines that fly from Belfast to Dublin.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
07:00 - 10:50BFS-DUB
3h 50m1 stop
18:35 - 22:05DUB-BFS
3h 30m1 stop
€130
Find Deal
Fri, 7 Mar - Mon, 10 Mar
15:05 - 23:35BFS-DUB
8h 30m1 stop
18:55 - 08:25DUB-BFS
13h 30m1 stop
€138
Find Deal
Fri, 14 Mar - Fri, 21 Mar
07:15 - 18:30BFS-DUB
11h 15m1 stop
18:55 - 08:25DUB-BFS
13h 30m1 stop
€139
Find Deal
Fri, 14 Mar - Fri, 21 Mar
06:55 - 10:50BHD-DUB
3h 55m1 stop
06:35 - 11:30DUB-BHD
4h 55m1 stop
€168
Find Deal
Sat, 8 Mar - Mon, 10 Mar
15:15 - 21:40BHD-DUB
6h 25m1 stop
07:30 - 21:10DUB-BHD
13h 40m1 stop
€182Aer Lingus
Find Deal
Thu, 13 Feb - Mon, 17 Feb
08:50 - 21:00BFS-DUB
12h 10m1 stop
06:35 - 13:20DUB-BFS
6h 45m1 stop
€199
Find Deal
Thu, 13 Feb - Mon, 17 Feb
11:15 - 19:45BHD-DUB
8h 30m1 stop
20:30 - 10:30DUB-BHD
14h 00m1 stop
€214British Airways
Find Deal
Sat, 8 Mar - Mon, 10 Mar
06:30 - 13:15BHD-DUB
6h 45m2 stops
20:30 - 07:40DUB-BHD
11h 10m1 stop
€289British Airways
Find Deal
Sat, 8 Mar - Mon, 10 Mar
11:05 - 17:00BHD-DUB
5h 55m1 stop
12:10 - 09:05DUB-BHD
20h 55m2 stops
€324British Airways
Find Deal
Thu, 13 Feb - Mon, 17 Feb
07:00 - 13:15BFS-DUB
6h 15m1 stop
08:40 - 22:05DUB-BFS
13h 25m2 stops
€352
Find Deal
Fri, 7 Mar - Mon, 10 Mar

Flights from Belfast to Dublin - Travel Insights & Trends

Get data-powered insights and trends into flights from Belfast to Dublin to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Belfast to Dublin?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the past 3 days, the cheapest return tickets from Belfast to Dublin were found on Aer Lingus (€182) and British Airways (€214).

Good to know

Cheapest flight

€76
Flight from Belfast Intl Airport to Dublin

When to book flights from Belfast to Dublin

Are your dates flexible? Find out the best times to travel from Belfast to Dublin based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Belfast to Dublin

  • What is the cheapest flight from Belfast to Dublin?

    In the last 3 days, the lowest price for a flight from Belfast to Dublin was €79 for a one-way ticket and €136 for a return.

  • Which airports will I be using when flying from Belfast to Dublin?

    Belfast is served by 2 major airports and there is only 1 main airport in Dublin. You will leave Belfast from one of these airports: Belfast Intl or Belfast City. You will be arriving at Dublin.

  • Which aircraft models fly most regularly from Belfast to Dublin?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Belfast to Dublin?

    oneworld is the only airline alliance operating flights between Belfast and Dublin.

  • How does KAYAK find such low prices on flights from Belfast to Dublin?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Belfast to Dublin.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Belfast to Dublin?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Dublin from Belfast is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Belfast to Dublin?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Dublin with an airline and back to Belfast with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Belfast to Dublin?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Dublin from Belfast up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Travelling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Athlone
Cavan
Gorey
Wicklow
Mullingar
Swords
Dundalk
Bray
Naas
Tullamore
Kildare
Drogheda
Arklow
Enniscorthy
Maynooth
Castleknock
Carlingford
Leixlip
Portmarnock
Thurles

Everything you need to know for your flight from Belfast to Dublin

Information on your arrival and departure airports

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