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Cheap flights from Belfast Intl Airport to Ireland from €45

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Belfast Intl Airport to Ireland departing on 15/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
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Find the cheapest flights from Belfast Intl Airport to Ireland

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
07:35 - 21:45
BFS
-
ORK
14h 10m
1 stop
Multiple Airlines Logo
22:25 - 07:05
ORK
-
BFS
8h 40m
1 stop
€83Multiple Airlines
Tue, 12 May - Tue, 19 May
Multiple Airlines Logo
21:55 - 08:30
BFS
-
DUB
10h 35m
1 stop
Multiple Airlines Logo
20:35 - 10:00
DUB
-
BFS
13h 25m
1 stop
€84Multiple Airlines
Mon, 11 May - Mon, 18 May
Multiple Airlines Logo
22:45 - 07:15
BFS
-
DUB
8h 30m
1 stop
Multiple Airlines Logo
10:20 - 15:20
DUB
-
BFS
5h 00m
1 stop
€84Multiple Airlines
Thu, 23 Apr - Thu, 30 Apr
Multiple Airlines Logo
21:55 - 08:05
BFS
-
ORK
10h 10m
1 stop
Multiple Airlines Logo
05:55 - 18:25
ORK
-
BFS
12h 30m
1 stop
€84Multiple Airlines
Mon, 11 May - Mon, 18 May
Multiple Airlines Logo
12:45 - 23:25
BFS
-
DUB
10h 40m
1 stop
Multiple Airlines Logo
10:20 - 15:20
DUB
-
BFS
5h 00m
1 stop
€85Multiple Airlines
Thu, 23 Apr - Thu, 30 Apr
Multiple Airlines Logo
18:50 - 23:20
BFS
-
DUB
4h 30m
1 stop
Multiple Airlines Logo
20:35 - 10:00
DUB
-
BFS
13h 25m
1 stop
€86Multiple Airlines
Mon, 11 May - Mon, 18 May
Multiple Airlines Logo
07:35 - 15:40
BFS
-
SNN
8h 05m
1 stop
Multiple Airlines Logo
08:00 - 12:15
SNN
-
BFS
4h 15m
1 stop
€87Multiple Airlines
Tue, 12 May - Tue, 19 May
Multiple Airlines Logo
08:55 - 16:00
BFS
-
DUB
7h 05m
1 stop
Multiple Airlines Logo
20:35 - 10:00
DUB
-
BFS
13h 25m
1 stop
€88Multiple Airlines
Fri, 8 May - Mon, 11 May
Multiple Airlines Logo
17:05 - 23:59
BFS
-
DUB
6h 54m
1 stop
Multiple Airlines Logo
20:35 - 10:00
DUB
-
BFS
13h 25m
1 stop
€89Multiple Airlines
Fri, 8 May - Mon, 11 May
Multiple Airlines Logo
17:05 - 23:59
BFS
-
DUB
6h 54m
1 stop
Multiple Airlines Logo
20:35 - 10:00
DUB
-
BFS
13h 25m
1 stop
€91Multiple Airlines
Fri, 8 May - Mon, 11 May

momondo Fare Finder

 
Customise your flight search to find flights from Belfast Intl Airport to Ireland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 13,528 searches. Data last updated 31 March 2026.
Use the filters below to find and compare flights from Belfast Intl Airport to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Tue 12/5

07:35-21:45

1 stop14h 10m

Cork

Tue 19/5

22:25-07:05

1 stop8h 40m

€83

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Mon 11/5

21:55-08:30

1 stop10h 35m

Dublin

Mon 18/5

20:35-10:00

1 stop13h 25m

€84

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 23/4

22:45-07:15

1 stop8h 30m

Dublin

Thu 30/4

10:20-15:20

1 stop5h 00m

€84

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Mon 11/5

21:55-08:05

1 stop10h 10m

Cork

Mon 18/5

05:55-18:25

1 stop12h 30m

€84

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 23/4

12:45-23:25

1 stop10h 40m

Dublin

Thu 30/4

10:20-15:20

1 stop5h 00m

€85

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Mon 11/5

18:50-23:20

1 stop4h 30m

Dublin

Mon 18/5

20:35-10:00

1 stop13h 25m

€86
Fastest return journey

BelfastShannon

BFS - SNN

BFSSNN

Belfast Intl

Tue 12/5

07:35-15:40

1 stop8h 05m

Shannon

Tue 19/5

08:00-12:15

1 stop4h 15m

€87

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 8/5

08:55-16:00

1 stop7h 05m

Dublin

Mon 11/5

20:35-10:00

1 stop13h 25m

€88

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 8/5

17:05-23:59

1 stop6h 54m

Dublin

Mon 11/5

20:35-10:00

1 stop13h 25m

€89

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 8/5

17:05-23:59

1 stop6h 54m

Dublin

Mon 11/5

20:35-10:00

1 stop13h 25m

€91

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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Cheap Belfast Intl Airport to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belfast Intl Airport to Ireland

Fastest flight time

5h 15m

Direct flights

None
The fastest flight from Belfast Intl Airport to Ireland takes 5h 15m
There are no direct flights from Belfast Intl Airport to Ireland. There are no popular flight routes from Belfast Intl Airport to Ireland.
Search flight deals

  • When did momondo last update prices for flights from Belfast Intl Airport to Ireland?

    Prices for flights from Belfast Intl Airport to Ireland were last updated today.

  • How old do you have to be to fly from Belfast Intl Airport to Ireland?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Belfast Intl Airport to Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The travel and health documents you'll need for your trip to Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Belfast Intl Airport to Ireland?

    Confirm your travel details to search for the latest offers for flights from Belfast Intl Airport to Ireland. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Belfast Intl Airport to Ireland with momondo?

    By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

Why should I use momondo to find a flight deal from Belfast to Ireland?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Belfast to Ireland for you.

Can I find flights from Belfast to Ireland with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Ireland from Belfast with this policy.

How can momondo help me find flights from Belfast to Ireland?

Once you have performed a search for Belfast to Ireland flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Belfast to Ireland right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Belfast to Ireland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to Ireland

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