Cheap flights from Belfast to Dublin

Flights overview

Useful information for finding cheap flights from Belfast to Dublin and booking your next trip
Cheapest round-trip flights $278
British Airways 1 stop 6 hr Thu, Jun 4 — Mon, Jun 8
The cheapest round-trip flight from Belfast to Dublin is currently $278
Cheapest one-way flight $167
British Airways 1 stop 6 hr Thu, Jun 4
The cheapest one-way flight from Belfast to Dublin is currently $167
Last-minute weekend getaway $360
British Airways 1 stop 12 hr Fri, Apr 17 — Mon, Apr 20
The cheapest last-minute weekend getaway from Belfast to Dublin is currently $360
Cheapest business class flights $717
British Airways 1 stop 12 hr Thu, Jun 18 — Mon, Jun 22
The cheapest business class round-trip flight from Belfast to Dublin is currently $717
Fastest flight 3 hr The fastest flight with stops from Belfast to Dublin takes 3 hr
Nonstop flights None There are no direct flights on this route.

When is the cheapest time to fly?

The cheapest month to fly from Belfast to Dublin is typically January. The most expensive month to fly is typically May.
January
Cheapest
Typical prices: $245–380
May
Most expensive
Typical prices: $310–440

Popular airlines from Belfast to Dublin

  • Aer Lingus
    246 weekly connecting flights
    BHD - DUB Every day
  • British Airways
    from $278
    Typical price: $280–460
    125 weekly connecting flights
    BHD - DUB Every day
  • Ryanair UK
    41 weekly connecting flights
    BFS - DUB Every Tue, Wed, Thu, Fri, Sat, Sun
  • KLM
    from $754
    Typical price: $345–950
    21 weekly connecting flights
    BHD - DUB Every day
  • Loganair
    from $492
    Typical price: $450–890
    10 weekly connecting flights
    BHD - DUB Every day

Popular airports near Belfast

  • Belfast International Airport (BFS)
    Belfast United Kingdom 30 min 12 mi
  • Belfast City Airport (BHD)
    Belfast United Kingdom 12 min 2 mi
  • Dublin Airport (DUB)
    Dublin Ireland 1 hr 44 min 82 mi
  • City of Derry Airport (LDY)
    Londonderry United Kingdom 1 hr 27 min 58 mi

Popular airports near Dublin

  • Dublin Airport (DUB)
    Dublin Ireland 23 min 4 mi
  • Shannon Airport (SNN)
    Shannon Ireland 2 hr 31 min 119 mi
  • Cork Airport (ORK)
    Cork Ireland 2 hr 52 min 140 mi
  • Ireland West Airport Knock (NOC)
    Knock Ireland 2 hr 40 min 111 mi

Frequently asked questions about flying from Belfast to Dublin

The cheapest flights from Belfast to Dublin are usually in January. Typical ticket prices in January range from $245 to $380.
The cheapest round-trip flight from Belfast to Dublin recently found on Google Flights was with British Airways from $278. The cheapest one-way flight was with British Airways from $167.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest British Airways flight from Belfast to Dublin is $278, flying from Jun 4 to Jun 8.
  • The cheapest KLM flight from Belfast to Dublin is $754, flying from Jul 2 to Jul 5.
  • The cheapest Loganair flight from Belfast to Dublin is $492, flying from Jun 12 to Jun 14.
The cheapest round-trip flight from Belfast to Dublin starts at $278 from Thu, Jun 4 to Mon, Jun 8. The cheapest one-way flight starts at $167 and departs on Thu, Jun 4.
3 hr is the shortest flight time from Belfast to Dublin.
Peak season is in summer (Jun–mid-Sep), when weather is warm and mild. Spring (Mar–May) and fall (mid-Sep–Nov) are moderate. Winter (Dec–Feb) is chilly and wet. The town fills for the St Patrick’s Day Festival (Mar 17) and Bloomsday (Jun 16), a celebration honouring the novel "Ulysses" by local writer James Joyce. The Dublin Fringe and Theatre festivals (Sep–Oct) feature contemporary art, theatre and music.
It's easy to use Google Flights to find the cheapest days to fly from Belfast to Dublin.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.
What counts as the best airline for your flights from Belfast to Dublin really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Belfast to Dublin.

In terms of flights, Aer Lingus is the most popular. Aer Lingus offers 246 connecting flights per week. Aer Lingus flies from Belfast City Airport (BHD) to Dublin Airport (DUB) .

Other popular airlines flying from Belfast to Dublin are:
  • British Airways offers 125 connecting flights per week. British Airways flies from Belfast City Airport (BHD) to Dublin Airport (DUB) .
  • Ryanair UK offers 41 connecting flights per week. Ryanair UK flies from Belfast International Airport (BFS) to Dublin Airport (DUB) .
  • KLM offers 21 connecting flights per week. KLM flies from Belfast City Airport (BHD) to Dublin Airport (DUB) .
  • Loganair offers 10 connecting flights per week. Loganair flies from Belfast City Airport (BHD) to Dublin Airport (DUB) .
The number of connecting flights refers to distinct flights with at least one stop between Belfast and Dublin.
The cheapest round-trip flight from Belfast to Dublin recently found on Google Flights was with British Airways from $278. The cheapest one-way flight was with British Airways from $167.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest British Airways flight from Belfast to Dublin is $278, flying from Jun 4 to Jun 8.
  • The cheapest KLM flight from Belfast to Dublin is $754, flying from Jul 2 to Jul 5.
  • The cheapest Loganair flight from Belfast to Dublin is $492, flying from Jun 12 to Jun 14.
No airline flies direct from Belfast to Dublin.
  • There are 246 Aer Lingus connecting flights from Belfast to Dublin per week. Flights are available every day.
  • There are 125 British Airways connecting flights from Belfast to Dublin per week. Flights are available every day.
  • There are 41 Ryanair UK connecting flights from Belfast to Dublin per week. Flights are available on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.
  • There are 21 KLM connecting flights from Belfast to Dublin per week. Flights are available every day.
  • There are 10 Loganair connecting flights from Belfast to Dublin per week. Flights are available every day.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
The cheapest last-minute deal between Belfast and Dublin at price $360 is offered by British Airways from Fri, Apr 17 to Mon, Apr 20.
No airline flies direct from Belfast to Dublin.
  • There are 246 Aer Lingus connecting flights from Belfast to Dublin per week. Flights are available every day.
  • There are 125 British Airways connecting flights from Belfast to Dublin per week. Flights are available every day.
  • There are 41 Ryanair UK connecting flights from Belfast to Dublin per week. Flights are available on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.
  • There are 21 KLM connecting flights from Belfast to Dublin per week. Flights are available every day.
  • There are 10 Loganair connecting flights from Belfast to Dublin per week. Flights are available every day.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
There are no direct flights from Belfast to Dublin.
It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Belfast to Dublin, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.
The cheapest business class round-trip flights between Belfast and Dublin start at $717 from Thu, Jun 18 to Mon, Jun 22 with British Airways.
The cheapest economy class round-trip flights between Belfast and Dublin start at $278 from Thu, Jun 4 to Mon, Jun 8.
To book business class trips from Belfast to Dublin, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.
The best last-minute getaway deal for the next weekend between Belfast and Dublin starts at $360 from Fri, Apr 17 to Mon, Apr 20 with British Airways.
The cheapest last-minute deal between Belfast and Dublin at price $360 is offered by British Airways from Fri, Apr 17 to Mon, Apr 20.
To find last-minute flight deals from Belfast to Dublin, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.

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Popular trips from Belfast

  1. Paris
    $51
    May 15 — May 18
    Nonstop 1 hr 35 min Ryanair UK
  2. London
    $44
    May 7 — May 10
    Nonstop 1 hr 20 min Ryanair UK
  3. Singapore
    $1,021
    Jun 11 — Jun 15
    2 stops 25 hr 55 min Air India, British Airways
  4. New York
    $727
    May 14 — May 18
    1 stop 11 hr 45 min American, British Airways

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