Which airlines fly to Belfast?

Based on our data, the most popular airline that fly to Belfast from Ireland is British Airways. There may also be other airline options depending on where in Ireland you’re flying from.

€52 Cheap Flights to Belfast in 2025

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Find the cheapest flights from Ireland to Belfast

Round-trip

One-way

Last minute

Cheap return flights

21:45 - 07:25DUB-BFS

9h 40m1 stop

05:45 - 13:20BFS-DUB

7h 35m1 stop

€109

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Sun, 26 Oct - Sun, 2 Nov

20:45 - 07:55DUB-BFS

11h 10m1 stop

05:55 - 12:10BFS-DUB

6h 15m1 stop

€114

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Tue, 7 Oct - Tue, 14 Oct

22:50 - 07:45ORK-BFS

8h 55m1 stop

22:20 - 07:20BFS-ORK

9h 00m1 stop

€175Ryanair

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Sat, 25 Oct - Mon, 27 Oct

06:30 - 20:25DUB-BHD

13h 55m1 stop

11:00 - 17:20BHD-DUB

6h 20m1 stop

€201Aer Lingus

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Sat, 4 Oct - Sun, 5 Oct

22:50 - 07:45ORK-BFS

8h 55m1 stop

12:40 - 07:20BFS-ORK

18h 40m2 stops

€206Ryanair

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Sat, 25 Oct - Mon, 27 Oct

06:30 - 20:50DUB-BHD

14h 20m1 stop

10:20 - 17:20BHD-DUB

7h 00m1 stop

€210Aer Lingus

Find Deal

Sat, 18 Oct - Mon, 20 Oct

11:10 - 21:15DUB-BHD

10h 05m1 stop

06:30 - 12:35BHD-DUB

6h 05m1 stop

€213KLM

Find Deal

Sat, 4 Oct - Sun, 5 Oct

20:10 - 10:10DUB-BHD

14h 00m1 stop

13:50 - 18:00BHD-DUB

4h 10m1 stop

€231British Airways

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Sat, 18 Oct - Mon, 20 Oct

20:10 - 10:10DUB-BHD

14h 00m1 stop

20:05 - 07:45BHD-DUB

11h 40m1 stop

€272British Airways

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Sat, 4 Oct - Sun, 5 Oct

06:00 - 16:50ORK-BHD

10h 50m1 stop

06:30 - 15:00BHD-ORK

8h 30m2 stops

€321KLM

Find Deal

Fri, 6 Mar - Mon, 9 Mar

Fly from

Route

Depart

Return

Price

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sun 26/10

21:45-07:25

1 stop9h 40m

Belfast Intl

Sun 2/11

05:45-13:20

1 stop7h 35m

€109

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Tue 7/10

20:45-07:55

1 stop11h 10m

Belfast Intl

Tue 14/10

05:55-12:10

1 stop6h 15m

€114

CorkBelfast

ORK - BFS

ORKBFS

Cork

Sat 25/10

22:50-07:45

1 stop8h 55m

Belfast Intl

Mon 27/10

22:20-07:20

1 stop9h 00m

€175

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sat 4/10

06:30-20:25

1 stop13h 55m

Belfast City

Sun 5/10

11:00-17:20

1 stop6h 20m

€201

CorkBelfast

ORK - BFS

ORKBFS

Cork

Sat 25/10

22:50-07:45

1 stop8h 55m

Belfast Intl

Mon 27/10

12:40-07:20

2 stops18h 40m

€206

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sat 18/10

06:30-20:50

1 stop14h 20m

Belfast City

Mon 20/10

10:20-17:20

1 stop7h 00m

€210

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sat 4/10

11:10-21:15

1 stop10h 05m

Belfast City

Sun 5/10

06:30-12:35

1 stop6h 05m

€213

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sat 18/10

20:10-10:10

1 stop14h 00m

Belfast City

Mon 20/10

13:50-18:00

1 stop4h 10m

€231

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sat 4/10

20:10-10:10

1 stop14h 00m

Belfast City

Sun 5/10

20:05-07:45

1 stop11h 40m

€272

CorkBelfast

ORK - BHD

ORKBHD

Cork

Fri 6/3

06:00-16:50

1 stop10h 50m

Belfast City

Mon 9/3

06:30-15:00

2 stops8h 30m

€321

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Belfast flights insights and trends

Explore insights for your Belfast flight to craft the best travel plan

How long does it take to fly to Belfast?

The average flight duration from Ireland to Belfast depends on which airport you fly into and out of. Flying from Dublin to Belfast Intl is 3h 45m on average, while flying from Cork to Belfast Intl is 4h 10m on average. Belfast Intl is the most popular airport in Belfast.

Cheapest flights to Belfast

Find the cheapest flights to Belfast from your nearest city or airport

Find flights from Dublin to Castletown

Cheap Belfast flight deals and tips

Summary info about Belfast flight prices, duration and airlines

Best One-Way Price	€52
Best Round-Trip Price	€109
Fastest flight time	4h 45m

The best one-way flight price to Belfast from Ireland in the last 72 hours is €52 (Dublin to Belfast City).

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The best round-trip flight price to Belfast from Ireland in the last 72 hours is €109 (Dublin to Belfast Intl).

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The fastest flight to Belfast from Ireland takes 4h 45m (Shannon to Belfast City).

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Frequently asked questions about flying to Belfast

Is there an alternative airport near Belfast?

Those flying to Belfast could potentially find better pricing at Belfast City Airport (4 km from Belfast city centre), Londonderry Eglinton Airport (93 km from Belfast 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?

You can find deals at Belfast City Airport for €57 on average, but that price can change based on your departure airport. To save money, try momondo’s Airport-to-Airport Pricing Tool.

What’s the closest airport to Queen's University of Belfast?

Belfast City in Belfast is the closest airport to Queen's University of Belfast (distance: 5.4 km).

When did momondo last update prices for flights to Belfast?

Prices for flights to Belfast refresh daily.

How many operators does momondo search for flights to Belfast?

As of September 2025, there is 1 operator available to choose from for flights to Belfast.

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

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.

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

The travel and health documents required for your trip to Belfast 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. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight to Belfast. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for flights to Belfast to just show those with flexible booking policies.

How can momondo help me find flights to Belfast?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as filter your options to help you make an informed choice when booking flights to Belfast.

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.