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Find cheap flights from Belfast to Dublin from €74

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 11/5. 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.
1 adult
0 bags
Mon 3/6
Mon 10/6

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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
In the last 7 days, travellers have searched 43,693,958 times on KAYAK, and here's why:

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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 round-trip 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.
Discover the best prices and deals for you by selecting your travel dates.
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08:25 - 21:45BFS-DUB
13h 20m1 stop
06:40 - 18:05DUB-BFS
11h 25m1 stop
€172
Find Deal
Fri, 17 May - Mon, 20 May
16:10 - 22:25BHD-DUB
6h 15m1 stop
06:40 - 21:10DUB-BHD
14h 30m1 stop
€187
Find Deal
Fri, 17 May - Mon, 20 May
06:35 - 18:45BHD-DUB
12h 10m1 stop
07:30 - 16:25DUB-BHD
8h 55m1 stop
€323British Airways
Find Deal
Fri, 17 May - Sun, 19 May
14:15 - 22:25BHD-DUB
8h 10m1 stop
07:30 - 16:25DUB-BHD
8h 55m1 stop
€355British Airways
Find Deal
Fri, 17 May - Sun, 19 May
15:35 - 09:55BHD-DUB
18h 20m2 stops
20:30 - 08:55DUB-BHD
12h 25m1 stop
€499
Find Deal
Fri, 17 May - Mon, 20 May

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.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Belfast to Dublin, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Belfast to Dublin is June, where tickets cost €153 on average. On the other hand, the most expensive months are October and September, where the average cost of tickets is €567 and €392 respectively.

Good to know

Cheapest flight

€74
Flight from Belfast City 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 €80 for a one-way ticket and €185 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

Prefer to fly direct from Belfast to Dublin?

Find which airlines fly direct from Belfast to Dublin, which days they fly and book direct flights.

Direct departures

Belfast to Dublin

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Direct returns

Dublin to Belfast

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Book cheap flights from Belfast to Dublin

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Belfast to Dublin found on KAYAK in the last 72 hours.
11/5Sat
1 stopAer Lingus
14h 15mBHD-DUB
€74
11/5Sat
2 stops
27h 25mBHD-DUB
€517

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Flights to Dublin

Destination:

Dublin (DUB)Ireland

Return flight deals:

Dublin - Belfast

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