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Flights to Belfast

€45 Cheap flights to Belfast

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 departing on 17/8. 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 Ireland to Belfast

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
21:20 - 07:05
DUB
-
BFS
9h 45m
1 stop
Multiple Airlines Logo
07:35 - 19:55
BFS
-
DUB
12h 20m
1 stop
€82Multiple Airlines
Tue, 11 Aug - Tue, 18 Aug
Multiple Airlines Logo
06:10 - 19:15
DUB
-
BFS
13h 05m
1 stop
Multiple Airlines Logo
06:40 - 11:50
BFS
-
DUB
5h 10m
1 stop
€83Multiple Airlines
Thu, 13 Aug - Thu, 20 Aug
Multiple Airlines Logo
21:20 - 07:05
DUB
-
BFS
9h 45m
1 stop
Multiple Airlines Logo
07:35 - 19:55
BFS
-
DUB
12h 20m
1 stop
€85Multiple Airlines
Tue, 11 Aug - Tue, 18 Aug
Multiple Airlines Logo
23:10 - 08:15
DUB
-
BFS
9h 05m
1 stop
Multiple Airlines Logo
23:30 - 08:25
BFS
-
DUB
8h 55m
1 stop
€86Multiple Airlines
Sun, 16 Aug - Tue, 25 Aug
Multiple Airlines Logo
23:10 - 08:15
DUB
-
BFS
9h 05m
1 stop
Multiple Airlines Logo
07:35 - 19:55
BFS
-
DUB
12h 20m
1 stop
€87Multiple Airlines
Sun, 16 Aug - Tue, 25 Aug
Multiple Airlines Logo
23:10 - 08:15
DUB
-
BFS
9h 05m
1 stop
Multiple Airlines Logo
23:30 - 08:25
BFS
-
DUB
8h 55m
1 stop
€87Multiple Airlines
Sun, 16 Aug - Tue, 25 Aug
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
€88Multiple Airlines
Tue, 4 Aug - Tue, 11 Aug
Multiple Airlines Logo
23:10 - 08:15
DUB
-
BFS
9h 05m
1 stop
Multiple Airlines Logo
23:30 - 08:25
BFS
-
DUB
8h 55m
1 stop
€88Multiple Airlines
Sun, 16 Aug - Tue, 25 Aug
Multiple Airlines Logo
21:45 - 09:35
DUB
-
BFS
11h 50m
1 stop
Multiple Airlines Logo
08:40 - 14:55
BFS
-
DUB
6h 15m
1 stop
€89Multiple Airlines
Sat, 15 Aug - Mon, 24 Aug
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
€90Multiple Airlines
Tue, 4 Aug - Tue, 11 Aug

momondo Fare Finder

 
Locate flights to Belfast 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 July 2026.
Use the filters below to find and compare flights to Belfast that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Tue 11/8

21:20-07:05

1 stop9h 45m

Belfast Intl

Tue 18/8

07:35-19:55

1 stop12h 20m

€82

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 13/8

06:10-19:15

1 stop13h 05m

Belfast Intl

Thu 20/8

06:40-11:50

1 stop5h 10m

€83

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Tue 11/8

21:20-07:05

1 stop9h 45m

Belfast Intl

Tue 18/8

07:35-19:55

1 stop12h 20m

€85
Fastest return journey

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sun 16/8

23:10-08:15

1 stop9h 05m

Belfast Intl

Tue 25/8

23:30-08:25

1 stop8h 55m

€86

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sun 16/8

23:10-08:15

1 stop9h 05m

Belfast Intl

Tue 25/8

07:35-19:55

1 stop12h 20m

€87

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sun 16/8

23:10-08:15

1 stop9h 05m

Belfast Intl

Tue 25/8

23:30-08:25

1 stop8h 55m

€87

CorkBelfast

ORK - BFS

ORKBFS

Cork

Tue 4/8

22:25-07:05

1 stop8h 40m

Belfast Intl

Tue 11/8

07:35-21:45

1 stop14h 10m

€88

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sun 16/8

23:10-08:15

1 stop9h 05m

Belfast Intl

Tue 25/8

23:30-08:25

1 stop8h 55m

€88

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 15/8

21:45-09:35

1 stop11h 50m

Belfast Intl

Mon 24/8

08:40-14:55

1 stop6h 15m

€89

CorkBelfast

ORK - BFS

ORKBFS

Cork

Tue 4/8

22:25-07:05

1 stop8h 40m

Belfast Intl

Tue 11/8

07:35-21:45

1 stop14h 10m

€90

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Belfast from

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 5h 30m on average, while flying from Cork to Belfast Intl is 8h 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

Cheap Belfast flight deals and tips

Summary info about Belfast flight prices, duration and airlines

Best One-Way Price

€45

Best Round-Trip Price

€82

Fastest flight time

4h 20m
The best one-way flight price to Belfast from Ireland in the last 5 days is €45 (Dublin to Belfast Intl).
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The best return flight price to Belfast from Ireland in the last 5 days is €82 (Dublin to Belfast Intl).
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The fastest flight to Belfast from Ireland takes 4h 20m (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 €93 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 €49/pp from Birmingham, which is 82% 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 Intl in Belfast is the closest airport to Queen's University of Belfast (distance: 19.9 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 July 2026, 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.

An easier way to manage your Belfast trip

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Find better results for your trip to Belfast

Popular Flights to Belfast

Popular routes according to searches in the past day on momondo
Dublin to Belfast Flightsfrom €98
Cork to Belfast Flightsfrom €101
Shannon to Belfast Flightsfrom €114
Milltown (Kerry) to Belfast Flightsfrom €118