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£48 Find cheap flights from Dublin to Belfast

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 15/6. 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
Tue 18/6
Tue 25/6

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 41,611,298 times on KAYAK, and here's why:

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Cheap flight deals from Dublin to Belfast (DUB-BHD)

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.
Choose your dates
06:40 - 18:05DUB-BFS
11h 25m1 stop
15:45 - 21:45BFS-DUB
6h 00m1 stop
Mon, 17 Jun - Mon, 24 Jun
19:30 - 07:50DUB-BHD
12h 20m1 stop
16:25 - 21:45BHD-DUB
5h 20m1 stop
Mon, 12 Aug - Fri, 16 Aug
10:30 - 14:55DUB-BFS
4h 25m1 stop
15:10 - 21:25BFS-DUB
6h 15m1 stop
Sat, 21 Sep - Tue, 24 Sep
06:30 - 14:55DUB-BFS
8h 25m1 stop
07:05 - 21:50BFS-DUB
14h 45m1 stop
Sat, 1 Jun - Mon, 3 Jun
07:10 - 18:50DUB-BFS
11h 40m1 stop
19:55 - 21:45BFS-DUB
25h 50m2 stops
Sat, 21 Sep - Tue, 24 Sep
12:50 - 17:20DUB-BHD
4h 30m1 stop
15:15 - 21:25BHD-DUB
6h 10m1 stop
£209Aer Lingus
Find Deal
Fri, 16 Aug - Mon, 19 Aug
11:25 - 09:15DUB-BHD
21h 50m1 stop
06:50 - 21:25BHD-DUB
14h 35m2 stops
Fri, 16 Aug - Mon, 19 Aug
20:30 - 08:55DUB-BHD
12h 25m1 stop
16:05 - 21:45BHD-DUB
5h 40m1 stop
£285British Airways
Find Deal
Mon, 10 Jun - Wed, 12 Jun
14:50 - 19:55DUB-BHD
5h 05m1 stop
12:00 - 21:50BHD-DUB
9h 50m2 stops
Mon, 12 Aug - Fri, 16 Aug
12:05 - 20:45DUB-BHD
8h 40m2 stops
16:05 - 21:45BHD-DUB
5h 40m1 stop
£424British Airways
Find Deal
Mon, 10 Jun - Wed, 12 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.

What’s the cheapest day of the week to fly from Dublin to Belfast?

The average price of all flights from Dublin to Belfast clicked on KAYAK for each day over the last 12 months.
For Dublin to Belfast, Monday is the cheapest day to fly on average and Thursday is the most expensive. Flying from Belfast back to Dublin, the best deals are generally found on Monday, with Friday being the most expensive.

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 £53. Aer Lingus proposed a return connection from £209 and British Airways from £285.

Good to know - Cheap tickets from Dublin to Belfast

Cheapest flight

£48
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 £61 for a one-way ticket and £145 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?

    Star Alliance, and oneworld 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

Monday

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Direct returns

Belfast to Dublin

Monday

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Tuesday

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Wednesday

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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.
15/6Sat
1 stop
24h 05mDUB-BFS
£48
15/6Sat
1 stopAer Lingus
6h 30mDUB-BHD
£53
11/7Thu
1 stop
4h 50mDUB-BFS
£54
24/9Tue
1 stop
17h 05mDUB-BFS
£54
9/8Fri
1 stop
15h 55mDUB-BFS
£57
4/6Tue
1 stop
3h 20mDUB-BHD
£61
24/5Fri
1 stopAer Lingus
26h 35mDUB-BHD
£61
8/8Thu
1 stop
16h 30mDUB-BFS
£61
8/8Thu
1 stop
12h 20mDUB-BHD
£63
15/6Sat
2 stopsLufthansa
22h 45mDUB-BHD
£139

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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.
21/5Tue
multi-stop
4h 20mDUB-BFS
21/5Tue
multi-stop
11h 35mBFS-DUB
£158
21/5Tue
multi-stop
3h 20mDUB-BHD
21/5Tue
multi-stop
6h 10mBHD-DUB
£261
21/5Tue
multi-stopBritish Airways
3h 45mDUB-BHD
28/5Tue
multi-stopBritish Airways
4h 35mBHD-DUB
£322
21/5Tue
multi-stopBritish Airways
3h 45mDUB-BHD
23/5Thu
multi-stopBritish Airways
5h 00mBHD-DUB
£401
21/5Tue
multi-stopBritish Airways
5h 05mDUB-BHD
21/5Tue
multi-stopBritish Airways
4h 10mBHD-DUB
£414
21/5Tue
multi-stopBritish Airways
5h 05mDUB-BHD
21/5Tue
multi-stopBritish Airways
4h 10mBHD-DUB
£446
21/5Tue
multi-stopBritish Airways
4h 55mDUB-BHD
28/5Tue
multi-stopBritish Airways
5h 05mBHD-DUB
£467
21/5Tue
multi-stopKLM
10h 55mDUB-BHD
28/5Tue
multi-stopKLM
5h 05mBHD-DUB
£483
21/5Tue
multi-stop
5h 40mDUB-BFS
21/5Tue
multi-stop
11h 35mBFS-DUB
£561
21/5Tue
multi-stop
11h 20mDUB-BHD
21/5Tue
multi-stop
21h 25mBHD-DUB
£1,224

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Dublin - Belfast Flights

Departure:

Dublin (undefined)Ireland

Return flight deals:

Belfast - Dublin

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