£40 Find Cheap Flights from Ireland to Belfast

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Belfast departing on 21/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Belfast

 
These are the airlines KAYAK users have selected most often from within our search results for flights to Belfast, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results for flights to Belfast, as well as popular online travel agencies
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Everything you should know

Cheapest return fare
£78
Multiple Airlines
Wed 21/1Wed 28/1
DUB - BFS • 1 stop
Cheapest one-way flight
£40
Multiple Airlines
Wed 21/1
DUB - BFS • 1 stop
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Belfast!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Ireland to Belfast

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Ireland to Belfast that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Ireland to Belfast

Wed, 21 Jan - Wed, 28 Jan
Multiple Airlines Logo
20:00 - 09:20
DUB
-
BFS
13h 20m1 stop
Multiple Airlines Logo
15:45 - 23:05
BFS
-
DUB
7h 20m1 stop
£78Multiple Airlines
Fri, 9 Jan - Sun, 11 Jan
Multiple Airlines Logo
15:00 - 20:25
DUB
-
BFS
5h 25m1 stop
Multiple Airlines Logo
23:05 - 07:55
BFS
-
DUB
8h 50m1 stop
£79Multiple Airlines
Mon, 26 Jan - Sun, 1 Feb
Multiple Airlines Logo
07:35 - 18:55
ORK
-
BFS
11h 20m1 stop
Multiple Airlines Logo
05:45 - 14:10
BFS
-
ORK
8h 25m1 stop
£82Multiple Airlines
Sat, 17 Jan - Sat, 24 Jan
Multiple Airlines Logo
16:55 - 06:45
DUB
-
BFS
13h 50m1 stop
Multiple Airlines Logo
13:10 - 20:20
BFS
-
DUB
7h 10m1 stop
£84Multiple Airlines
Mon, 19 Jan - Tue, 27 Jan
Multiple Airlines Logo
09:45 - 21:55
DUB
-
BFS
12h 10m1 stop
Multiple Airlines Logo
06:00 - 16:05
BFS
-
DUB
10h 05m1 stop
£85Multiple Airlines
Tue, 20 Jan - Tue, 27 Jan
Multiple Airlines Logo
18:10 - 22:35
DUB
-
BFS
4h 25m1 stop
Multiple Airlines Logo
07:15 - 12:55
BFS
-
DUB
5h 40m1 stop
£85Multiple Airlines
Sat, 3 Jan - Sat, 10 Jan
Multiple Airlines Logo
22:15 - 07:50
DUB
-
BFS
9h 35m1 stop
Multiple Airlines Logo
23:10 - 09:50
BFS
-
DUB
10h 40m1 stop
£86Multiple Airlines
Sat, 3 Jan - Sat, 10 Jan
Ryanair Logo
16:55 - 22:00
DUB
-
BFS
5h 05m1 stop
Ryanair Logo
12:45 - 16:30
BFS
-
DUB
3h 45m1 stop
£87Ryanair
Sat, 17 Jan - Sat, 24 Jan
Aer Lingus Logo
07:20 - 13:25
DUB
-
BHD
6h 05m1 stop
Aer Lingus Logo
06:55 - 10:50
BHD
-
DUB
3h 55m1 stop
£160Aer Lingus
Sat, 17 Jan - Sat, 24 Jan
KLM Logo
06:00 - 16:50
ORK
-
BHD
10h 50m1 stop
KLM Logo
17:20 - 23:25
BHD
-
ORK
6h 05m1 stop
£228KLM
Booking Insights

KAYAK's insights & trends for flights to Belfast

Get data-powered insights and trends into flights to Belfast to help you find the cheapest flights, the best time to fly and much more.

Which is the cheapest airport to fly into in Belfast?

Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in Belfast is Belfast Intl Airport, with an average flight price of £52.

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Good to know - Cheap tickets from Ireland to Belfast

Cheapest flight£40
Flight from Dublin to Belfast Intl Airport

FAQs - booking Belfast flights

  • Which Belfast airport is closest to central Belfast?

    The distance between Belfast City Airport and the city centre of Belfast is 3 miles, which makes it the closest of the 2 Belfast airports airports. Belfast Intl Airport is 12 miles away from the centre.

  • What is the cheapest day to fly to Belfast?

    Based on KAYAK data, the cheapest day to fly to Belfast is Wednesday where tickets can be as cheap as £133. On the other hand, the most expensive day to fly is Wednesday, where prices are £133 on average.

  • How does KAYAK find such low prices on flights to Belfast?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights to Belfast.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket to Belfast?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Belfast is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights to Belfast?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Belfast with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight to Belfast?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Belfast up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Belfast?

    The cheapest time of day to fly to Belfast is generally in the morning, when flights cost £245 on average. The most expensive time of day to fly to Belfast is generally in the morning, which is peak travel time and where the average cost of a ticket is £245.

  • How many direct flights to Belfast are there each week?

    Each week there are around 642 direct flights from within Ireland to Belfast. The most common day for departures is Monday, with 16% of flights taking off on this day.

Top tips for finding cheap flights to Belfast

  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest Belfast flight deals.

Everything you need to know for your flight to Belfast

Cabin class types available on flights to Belfast

Cabin classes available on flights to Belfast. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
First Class flights to Belfast
Business Class flights to Belfast
Prem Econ Class flights to Belfast
Economy class flights to Belfast