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Flights to Belfast Intl

€41 Cheap flights to Belfast Intl Airport

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Belfast Intl Airport departing on 5/5. 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
0 bags
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Find the cheapest flights from Ireland to Belfast Intl Airport

Cheap return flights

Enter your travel dates to find the best prices.
Ryanair Logo
17:40 - 22:20
KIR
-
BFS
4h 40m
1 stop
Ryanair Logo
12:45 - 17:15
BFS
-
KIR
4h 30m
1 stop
€79Ryanair
Thu, 28 May - Thu, 4 Jun
Multiple Airlines Logo
07:40 - 19:30
DUB
-
BFS
11h 50m
1 stop
Multiple Airlines Logo
08:55 - 21:10
BFS
-
DUB
12h 15m
1 stop
€79Multiple Airlines
Fri, 29 May - Fri, 5 Jun
Multiple Airlines Logo
22:25 - 07:05
ORK
-
BFS
8h 40m
1 stop
Multiple Airlines Logo
07:35 - 21:45
BFS
-
ORK
14h 10m
1 stop
€81Multiple Airlines
Tue, 5 May - Tue, 12 May
Multiple Airlines Logo
20:15 - 07:05
DUB
-
BFS
10h 50m
1 stop
Multiple Airlines Logo
07:35 - 16:25
BFS
-
DUB
8h 50m
1 stop
€81Multiple Airlines
Tue, 26 May - Tue, 2 Jun
Multiple Airlines Logo
22:25 - 07:05
ORK
-
BFS
8h 40m
1 stop
Multiple Airlines Logo
07:35 - 21:45
BFS
-
ORK
14h 10m
1 stop
€81Multiple Airlines
Tue, 19 May - Tue, 26 May
Multiple Airlines Logo
20:15 - 07:05
DUB
-
BFS
10h 50m
1 stop
Multiple Airlines Logo
07:35 - 19:50
BFS
-
DUB
12h 15m
1 stop
€82Multiple Airlines
Tue, 12 May - Tue, 19 May
Multiple Airlines Logo
09:55 - 15:15
ORK
-
BFS
5h 20m
1 stop
Multiple Airlines Logo
19:20 - 08:25
BFS
-
ORK
13h 05m
1 stop
€82Multiple Airlines
Wed, 6 May - Fri, 8 May
Multiple Airlines Logo
10:20 - 22:20
DUB
-
BFS
12h 00m
1 stop
Multiple Airlines Logo
12:45 - 23:25
BFS
-
DUB
10h 40m
1 stop
€83Multiple Airlines
Thu, 28 May - Thu, 4 Jun
Multiple Airlines Logo
22:25 - 07:05
ORK
-
BFS
8h 40m
1 stop
Multiple Airlines Logo
22:45 - 08:20
BFS
-
ORK
9h 35m
1 stop
€83Multiple Airlines
Tue, 12 May - Thu, 14 May
Multiple Airlines Logo
08:30 - 15:20
SNN
-
BFS
6h 50m
1 stop
Multiple Airlines Logo
20:15 - 09:30
BFS
-
SNN
13h 15m
1 stop
€84Multiple Airlines
Thu, 30 Apr - Wed, 6 May

momondo Fare Finder

 
Locate flights to Belfast Intl that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 13,528 searches and data was last updated on 16 April 2026.
Use the filters below to find and compare flights to Belfast Intl Airport that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

Milltown (Kerry)Belfast

KIR - BFS

KIRBFS

Milltown (Kerry)

Thu 28/5

17:40-22:20

1 stop4h 40m

Belfast Intl

Thu 4/6

12:45-17:15

1 stop4h 30m

€79

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Fri 29/5

07:40-19:30

1 stop11h 50m

Belfast Intl

Fri 5/6

08:55-21:10

1 stop12h 15m

€79

CorkBelfast

ORK - BFS

ORKBFS

Cork

Tue 5/5

22:25-07:05

1 stop8h 40m

Belfast Intl

Tue 12/5

07:35-21:45

1 stop14h 10m

€81

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Tue 26/5

20:15-07:05

1 stop10h 50m

Belfast Intl

Tue 2/6

07:35-16:25

1 stop8h 50m

€81

CorkBelfast

ORK - BFS

ORKBFS

Cork

Tue 19/5

22:25-07:05

1 stop8h 40m

Belfast Intl

Tue 26/5

07:35-21:45

1 stop14h 10m

€81

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Tue 12/5

20:15-07:05

1 stop10h 50m

Belfast Intl

Tue 19/5

07:35-19:50

1 stop12h 15m

€82

CorkBelfast

ORK - BFS

ORKBFS

Cork

Wed 6/5

09:55-15:15

1 stop5h 20m

Belfast Intl

Fri 8/5

19:20-08:25

1 stop13h 05m

€82

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 28/5

10:20-22:20

1 stop12h 00m

Belfast Intl

Thu 4/6

12:45-23:25

1 stop10h 40m

€83

CorkBelfast

ORK - BFS

ORKBFS

Cork

Tue 12/5

22:25-07:05

1 stop8h 40m

Belfast Intl

Thu 14/5

22:45-08:20

1 stop9h 35m

€83

ShannonBelfast

SNN - BFS

SNNBFS

Shannon

Thu 30/4

08:30-15:20

1 stop6h 50m

Belfast Intl

Wed 6/5

20:15-09:30

1 stop13h 15m

€84

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Belfast Intl Airport from

Flights to Belfast Intl Airport – Travel Insights & Trends

Get data-powered insights and trends for flights to Belfast Intl Airport to help you craft the best travel plan.

What is the cheapest airline that flies from Ireland to Belfast Intl?

Ryanair is the most popular carrier operating from Ireland to Belfast Intl

Cheap Belfast Intl Airport flight deals and tips

Summary info about Belfast Intl Airport flight prices, duration and airlines

Best One-Way Price

€41

Best Round-Trip Price

€79

Fastest flight time

3h 55m
The best one-way flight price to Belfast from Ireland in the last 72 hours is €41 (Dublin to Belfast Intl).
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The best round-trip flight price to Belfast from Ireland in the last 72 hours is €79 (Milltown (Kerry) to Belfast Intl).
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The fastest flight to Belfast from Ireland takes 3h 55m (Dublin to Belfast Intl).
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Frequently asked questions about flying to Belfast Intl Airport

Is there an alternative airport near Belfast Intl Airport?

Those flying to Belfast Intl Airport could potentially find better pricing at Belfast City Airport (4 km from Belfast city centre), Londonderry Eglinton Airport (93 km from Belfast Intl Airport city centre), Campbeltown Machrihanish Airport (95 km from Belfast city centre), Isle of Islay Glenegedale Airport (122 km from Belfast city centre) or Glasgow Prestwick Airport (132 km from Belfast city centre) depending on the month and departure airport.

Is there a cheaper alternative to flying into Belfast?

The cheapest airport near Belfast is typically Belfast City Airport, with an average price of €48/person. These prices vary based on where travellers are coming from. It is suggested that travellers looking to save money try momondo’s Airport-to-Airport Pricing Tool.

What is the absolute cheapest flight to Belfast?

The best deal found on momondo in the last two weeks was a flight to Belfast from Birmingham for €47. This is 81% cheaper than most flight deals to Belfast. To find the cheapest price to Belfast from your area, use momondo’s Airport-to-Airport Pricing Tool.

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

Prices for flights to Belfast Intl Airport refresh daily.

How many operators does momondo search for flights to Belfast Intl Airport?

As of April 2026, there is 1 operator available to choose from for flights to Belfast Intl Airport.

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

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 to Belfast Intl Airport.

What documentation or ID do you need to fly to Belfast Intl Airport?

The travel and health documents required for your trip to Belfast Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Belfast Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near Belfast Intl Airport?

Book flights to Belfast Intl Airport if you plan to visit one of these locations
Newry
Ballymena
Armagh

Why use momondo?

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

Finding the right flight to Belfast is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. These options can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Belfast quick and easy, saving you time and money.

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

All flight searches to Belfast on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights to Belfast?

Once you have performed a search for flights to Belfast, momondo helps you find the right flight 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 to Belfast right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Belfast. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Belfast Intl trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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Find better results for your trip to Belfast Intl Airport BFS

Fly into one of these airports located in Belfast

Flights to Belfast City Airport