C$64 Cheap Flights from Dublin to Belfast

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Flight deals from Dublin to Belfast

Looking for a cheap last-minute deal or the best round-trip flight from Dublin to Belfast? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Dublin to Belfast

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Dublin to Belfast flights are currently cheapest in April.

Alternative Dublin to Belfast routes

Looking for the cheapest, fastest or easiest route from Dublin to Belfast? You could fly into the following airports instead.

Dublin to Belfast: Flight information

The things to know before you go.
Cheapest flight foundC$64
Cheapest month to flyApril

Finding cheap flights from Dublin to Belfast: Frequently asked questions

There are 2 airports in Belfast: Belfast City and Belfast International.
The best price we found for a return flight from Dublin to Belfast is C$136. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Dublin to Belfast. But we found flights with one or more stops from C$136.
As of February 2026, there are no flights flying from Dublin to Belfast.
The cheapest month to fly from Dublin to Belfast is usually March.
If you're flying from Dublin Airport, the cheapest airport near Belfast is Belfast International – which is 19.6 km away from the centre of Belfast. We've found flights into this airport from C$136.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Dublin Airport to Belfast on Thursday, March 5, 2026.
No airlines currently offer direct flights between Dublin Airport and Belfast. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Belfast but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Belfast is around 40 days in advance, so don’t leave your flight to the last minute.
In February, the average temperature is usually around 5°C. August is typically the warmest month in Belfast, when it usually averages around 17°C. You can expect the least rain in May. The coldest month is January, with temperatures averaging 4°C. The rainiest month is October.
Currently, Ryanair offers the cheapest flight tickets to Belfast.

Travelling from Dublin Airport (DUB) to Belfast: what you need to know

  • Dublin (the location of Dublin Airport) and Belfast are in the same timezone — UTC+0.

  • Give yourself plenty of time to get on your flight from DUB to Belfast. As a general rule, turn up at least two hours before international departures and an hour ahead for domestic flights.

  • Flying during a peak month such as August? School holidays and other high seasons can lead to longer lines at check-in and security. Play it safe and arrive up to four hours ahead of international flights and two hours before a domestic departure.

  • We make it a breeze to book a flight from DUB to Belfast that includes a stopover. To see all the options, deselect 'Direct flights only.' Then, pick a flight offering a stop long enough to explore your chosen city. Some popular stopovers include:

    • Glasgow International Airport (GLA)

    • Leeds Bradford International Airport (LBA)

    • Edinburgh Airport (EDI)

  • If you have a passport from Ireland and are travelling to United Kingdom for tourism purposes, you won't need a visa. However, entry and visa requirements may vary based on the reason for your trip and are subject to change. For the most up-to-date information, contact your destination's nearest embassy or consulate before reserving a cheap ticket from Dublin Airport to Belfast.

  • DUB is about 21 kilometres from central Dublin. If you're ride-sharing, driving or catching a cab from the centre, it'll take you 29 minutes or so to get there, depending on the traffic. If you're using public transport, expect the trip time to be approximately 2 hours and 9 minutes.

  • Have an early flight from Dublin Airport to Belfast? Avoid the last-minute rush to the terminal (and sneak in some extra precious sleep) by picking one of these hotels near DUB:

How to find the cheapest flights from Dublin Airport (DUB) to Belfast

  • The best price we've seen for a one-way ticket from Dublin Airport to Belfast is C$64. The cheapest price for a return flight is C$136. Remember fares may change due to availability at the time of booking.

  • Don't leave things to the last moment. You're more likely to find cheap tickets from DUB to Belfast if you book in advance. Airlines often offer some excellent early bird deals.

  • The 'Whole month' search tool shows you the cheapest tickets from Dublin Airport to Belfast throughout the month. It's an easy way to find a bargain if your travel plans aren't set in stone.

  • Log into your online account or use the app to create a Price Alert. We'll get in touch right away if there's a better deal on this route. It's simple to do, and it'll save you from checking for cheap tickets from DUB to Belfast every day.

  • Tailor your flights with filters. Choose your ideal arrival and departure times, airlines and total journey duration. You can also sort results by 'Best,' 'Fastest' or 'Cheapest' flights from Dublin Airport to Belfast.

Airports in Belfast

Belfast International Airport (BFS)

  • Belfast International Airport (BFS) to central Belfast is roughly 32 kilometres. It'll take you around 31 minutes to reach the centre driving.

  • It takes around 2 hours and 2 minutes to get there by public transport.

  • The last thing you want is a lengthy journey to your hotel if you're getting in late on a flight from Dublin Airport to Belfast. Reserve one of these accommodation options near BFS instead:

George Best Belfast City Airport (BHD)

Best time to go to Belfast

  • August is the busiest month to board a flight from Dublin Airport to Belfast while February is the quietest. To work out the ideal time to go to Belfast, consider the pace you like to travel at.

  • The warmest month in Belfast is July, with temperatures ranging between 10ºC and 19ºC. Book your flights from Dublin Airport to Belfast in this month if this is the type of weather you enjoy.

  • January sees average temperatures of between 1ºC and 8ºC. Look for cheap flights from DUB to Belfast sometime then if you like cooler conditions.

More about Belfast

  • After booking your flight from Dublin Airport to Belfast, think about where you want to stay in this city. Make one of these options your base for exploring Belfast:

  • Titanic Belfast and Crumlin Road Gaol Visitor Attraction and Conference Centre are just a couple of the top-rated attractions to put on your Belfast must-do list. Keep the momentum going by heading to Botanic Gardens.

Complete your Belfast trip with a car rental

  • We use the same magic that helped you find your cheap flight from Dublin Airport to Belfast to track down awesome deals on car rentals. Search for your ride in seconds and compare your options in one place. Plus you'll find all the info you need on car rentals in Belfast, from the most popular car type to the average daily price.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.