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Find cheap flights from Dublin to Belfast from £50

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Dublin to Belfast departing on 21/5. 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
Sun 28/4
Sun 5/5

Search hundreds of travel sites at once for deals on flights to Belfast

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Dublin to Belfast, 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 Dublin to Belfast, as well as popular online travel agencies
In the last 7 days, travellers have searched 46,342,885 times on KAYAK, and here's why:

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Cheap flight deals from Dublin to Belfast

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Dublin to Belfast 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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15:20 - 20:55DUB-BFS
5h 35m1 stop
12:10 - 18:20BFS-DUB
6h 10m1 stop
Thu, 25 Apr - Thu, 2 May
09:30 - 07:50DUB-BHD
22h 20m1 stop
09:20 - 12:25BHD-DUB
3h 05m1 stop
Wed, 5 Jun - Wed, 12 Jun
06:50 - 19:35DUB-BHD
12h 45m1 stop
13:45 - 10:00BHD-DUB
20h 15m1 stop
£131Aer Lingus
Find Deal
Sat, 27 Apr - Sat, 4 May
06:40 - 15:55DUB-BHD
9h 15m1 stop
06:50 - 12:55BHD-DUB
6h 05m1 stop
Fri, 7 Jun - Sun, 9 Jun
09:05 - 14:50DUB-BHD
5h 45m1 stop
15:35 - 22:15BHD-DUB
6h 40m1 stop
£192Lufthansa
Find Deal
Thu, 25 Apr - Thu, 2 May
20:15 - 09:05DUB-BHD
12h 50m1 stop
19:40 - 08:15BHD-DUB
12h 35m1 stop
£192British Airways
Find Deal
Tue, 4 Jun - Wed, 5 Jun
20:15 - 09:05DUB-BHD
12h 50m1 stop
14:10 - 21:25BHD-DUB
7h 15m1 stop
£205British Airways
Find Deal
Tue, 20 Aug - Thu, 22 Aug
20:15 - 08:50DUB-BHD
12h 35m1 stop
14:10 - 19:10BHD-DUB
5h 00m1 stop
£217British Airways
Find Deal
Wed, 28 Aug - Thu, 29 Aug
18:20 - 09:20DUB-BHD
15h 00m1 stop
12:00 - 11:25BHD-DUB
23h 25m1 stop
Mon, 10 Jun - Sat, 22 Jun
06:20 - 20:40DUB-BHD
14h 20m2 stops
19:40 - 20:40BHD-DUB
25h 00m1 stop
Fri, 7 Jun - Sun, 9 Jun

Flights from Dublin to Belfast - Travel Insights & Trends

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

Which airlines provide the cheapest flights from Dublin to Belfast?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the last 72 hours, the cheapest one-way ticket from Dublin to Belfast found on KAYAK was with Aer Lingus for £51. Aer Lingus proposed a return connection from £131 and Lufthansa from £192.

How long does a flight from Dublin to Belfast take?

Flying between Belfast and Dublin will take minimum 5h 00m and will require at least one stop.

Good to know - Cheap tickets from Dublin to Belfast

Cheapest flight

£50
Flight from Dublin to Belfast Intl Airport

When to book flights from Dublin to Belfast

Are your dates flexible? Find out the best times to travel from Dublin to Belfast 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 Dublin to Belfast

  • What is the cheapest flight from Dublin to Belfast?

    In the last 3 days, the lowest price for a flight from Dublin to Belfast was £63 for a one-way ticket and £138 for a return.

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

    On your way to Belfast, you’ll fly out from Dublin. You’ll be landing in one of Belfast’s 2 airports: Belfast Intl or Belfast City.

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

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

  • Which airline alliances offer flights from Dublin to Belfast?

    oneworld, and Star Alliance are the airline alliances operating flights between Dublin and Belfast, with oneworld being the most commonly used for this route.

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

    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 Dublin to Belfast.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Belfast from Dublin 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 Dublin to Belfast?

    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 Belfast with an airline and back to Dublin with another airline.

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

    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 Belfast from Dublin 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 Dublin to Belfast?

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

Direct departures

Dublin to Belfast

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Direct returns

Belfast to Dublin

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Tuesday

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See more direct flights

Book cheap flights from Dublin to Belfast

Cheapest flights to Belfast from Dublin found in 2024

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Dublin to Belfast found on KAYAK in the last 72 hours.
21/5Tue
1 stop
17h 55mDUB-BFS
£50
21/5Tue
1 stopAer Lingus
5h 10mDUB-BHD
£51
20/5Mon
1 stop
5h 25mDUB-BFS
£51
23/9Mon
1 stop
13h 20mDUB-BFS
£59
23/9Mon
1 stopBritish Airways
12h 25mDUB-BHD
£64
21/5Tue
2 stops
13h 50mDUB-BHD
£83
20/5Mon
1 stopAer Lingus
5h 30mDUB-BHD
£86
23/9Mon
2 stops
26h 45mDUB-BHD
£124
21/5Tue
2 stops
15h 25mDUB-BFS
£127

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Last minute flights from Dublin to Belfast

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Dublin to Belfast that are departing in the next 10 days.
31/3Sun
multi-stop
9h 50mDUB-BFS
31/3Sun
multi-stop
11h 55mBFS-DUB
£306
31/3Sun
multi-stopBritish Airways
8h 35mDUB-BHD
1/4Mon
multi-stopBritish Airways
12h 35mBHD-DUB
£314
31/3Sun
multi-stopAer Lingus
4h 25mDUB-BHD
31/3Sun
multi-stopAer Lingus
4h 55mBHD-DUB
£323
31/3Sun
multi-stop
4h 05mDUB-BFS
1/4Mon
multi-stop
9h 35mBFS-DUB
£476
31/3Sun
multi-stop
6h 30mDUB-BHD
31/3Sun
multi-stop
16h 50mBHD-DUB
£486
31/3Sun
multi-stop
11h 30mDUB-BHD
31/3Sun
multi-stop
14h 50mBHD-DUB
£522
31/3Sun
multi-stop
10h 55mDUB-BHD
1/4Mon
multi-stop
12h 35mBHD-DUB
£2,216
31/3Sun
multi-stop
10h 55mDUB-BHD
1/4Mon
multi-stop
17h 05mBHD-DUB
£2,985

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Dublin - Belfast Flights

Departure:

Dublin (DUB)Ireland

Return flight deals:

Belfast - Dublin

Cabin classes:

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