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.

€63 Cheap Flights to Belfast in 2025/26

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Find the cheapest flights from Ireland to Belfast

Round-trip

One-way

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Cheap return flights

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19:05 - 07:55DUB-BFS

12h 50m1 stop

10:45 - 21:45BFS-DUB

11h 00m1 stop

€111Multiple Airlines

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Mon, 15 Dec - Wed, 17 Dec

11:15 - 16:35DUB-BFS

5h 20m1 stop

07:15 - 13:50BFS-DUB

6h 35m1 stop

€112Multiple Airlines

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Tue, 2 Dec - Tue, 9 Dec

18:55 - 07:55SNN-BFS

13h 00m1 stop

08:50 - 13:15BFS-SNN

4h 25m1 stop

€114Multiple Airlines

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Wed, 17 Dec - Wed, 24 Dec

20:25 - 08:00SNN-BFS

11h 35m1 stop

13:30 - 22:50BFS-SNN

9h 20m1 stop

€116Multiple Airlines

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Fri, 20 Feb - Mon, 23 Feb

18:55 - 08:25DUB-BFS

13h 30m1 stop

21:05 - 07:15BFS-DUB

10h 10m1 stop

€116Multiple Airlines

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Sat, 6 Dec - Fri, 12 Dec

13:25 - 21:00DUB-BHD

7h 35m1 stop

17:20 - 22:10BHD-DUB

4h 50m1 stop

€198KLM

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Sat, 6 Dec - Fri, 12 Dec

16:05 - 09:10DUB-BHD

17h 05m1 stop

19:35 - 07:55BHD-DUB

12h 20m1 stop

€218British Airways

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Sat, 6 Dec - Fri, 12 Dec

17:55 - 08:15DUB-BHD

14h 20m1 stop

19:35 - 07:55BHD-DUB

12h 20m1 stop

€219British Airways

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Sat, 6 Dec - Fri, 12 Dec

06:40 - 18:25DUB-BHD

11h 45m1 stop

14:25 - 21:10BHD-DUB

6h 45m1 stop

€263Aer Lingus

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Sat, 6 Dec - Fri, 12 Dec

06:00 - 21:00ORK-BHD

15h 00m1 stop

06:30 - 15:00BHD-ORK

8h 30m2 stops

€599KLM

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Sat, 20 Dec - Sun, 21 Dec

Fly from

Route

Depart

Return

Price

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 15/12

19:05-07:55

1 stop12h 50m

Belfast Intl

Wed 17/12

10:45-21:45

1 stop11h 00m

€111

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Tue 2/12

11:15-16:35

1 stop5h 20m

Belfast Intl

Tue 9/12

07:15-13:50

1 stop6h 35m

€112

ShannonBelfast

SNN - BFS

SNNBFS

Shannon

Wed 17/12

18:55-07:55

1 stop13h 00m

Belfast Intl

Wed 24/12

08:50-13:15

1 stop4h 25m

€114

ShannonBelfast

SNN - BFS

SNNBFS

Shannon

Fri 20/2

20:25-08:00

1 stop11h 35m

Belfast Intl

Mon 23/2

13:30-22:50

1 stop9h 20m

€116

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 6/12

18:55-08:25

1 stop13h 30m

Belfast Intl

Fri 12/12

21:05-07:15

1 stop10h 10m

€116

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sat 6/12

13:25-21:00

1 stop7h 35m

Belfast City

Fri 12/12

17:20-22:10

1 stop4h 50m

€198

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sat 6/12

16:05-09:10

1 stop17h 05m

Belfast City

Fri 12/12

19:35-07:55

1 stop12h 20m

€218

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sat 6/12

17:55-08:15

1 stop14h 20m

Belfast City

Fri 12/12

19:35-07:55

1 stop12h 20m

€218

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sat 6/12

06:40-18:25

1 stop11h 45m

Belfast City

Fri 12/12

14:25-21:10

1 stop6h 45m

€263

CorkBelfast

ORK - BHD

ORKBHD

Cork

Sat 20/12

06:00-21:00

1 stop15h 00m

Belfast City

Sun 21/12

06:30-15:00

2 stops8h 30m

€599

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 6h 35m on average, while flying from Cork to Belfast Intl is 5h 40m 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	€63
Best Round-Trip Price	€111
Fastest flight time	2h 45m

The best one-way flight price to Belfast from Ireland in the last 72 hours is €63 (Dublin to Belfast Intl).

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The best round-trip flight price to Belfast from Ireland in the last 72 hours is €111 (Dublin to Belfast Intl).

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The fastest flight to Belfast from Ireland takes 2h 45m (Dublin 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 €272 on average, but that price can change based on your departure airport. To save money, try momondo’s Airport-to-Airport Pricing Tool.

What is the absolute cheapest flight to Belfast?

The best price found on momondo to Belfast was €51/pp from London, which is 86% cheaper than the average flight price to Belfast. To find the cheapest price to Belfast from your area, use 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 November 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.