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Cheap flights from Ireland to Belfast from £45

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — BHD
5 Apr — 12 Apr1
1 adult

Cheap flight deals from Ireland to Belfast

Keep the following information in mind while searching for Ireland to Belfast flight deals. Data was last updated 31 March 2025.

Round-trip from

£93

One-way from

£45
15/5-22/5
  • 15/5-22/5
  • 2 total stops
  • 24h 20m total
  • Ireland to Belfast
Search Deals
28/5
  • 28/5
  • 1 total stop
  • 25h 40m total
  • Ireland to Belfast
Search Deals

Find flight deals from Ireland to Belfast

Cheapest flights from Ireland to Belfast
Explore the most affordable flight options available from Ireland to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 March 2025.

Thu 15/521:20DUB - BFS
1 stop19h 20mMultiple Airlines
Thu 22/515:55BFS - DUB
1 stop5h 00mMultiple Airlines
Deal found 30/3£93
Thu 15/506:00ORK - BFS
1 stop26h 10mMultiple Airlines
Thu 22/516:25BFS - ORK
1 stop6h 20mMultiple Airlines
Deal found 31/3£100
Thu 15/521:50SNN - BFS
1 stop20h 25mMultiple Airlines
Fri 30/516:40BFS - SNN
1 stop23h 40mMultiple Airlines
Deal found 30/3£106
Wed 14/514:30KIR - BFS
1 stop7h 00mMultiple Airlines
Wed 21/507:25BFS - KIR
1 stop6h 40mMultiple Airlines
Deal found 30/3£114
Wed 1/1006:50DUB - BHD
1 stop4h 50mMultiple Airlines
Mon 6/1009:05BHD - DUB
1 stop13h 55mMultiple Airlines
Deal found 31/3£122
Sat 3/508:00ORK - BFS
1 stop22h 50mRyanair
Fri 9/507:35BFS - ORK
1 stop24h 00mRyanair
Deal found 30/3£124
Tue 15/406:30DUB - BHD
1 stop9h 55mAer Lingus
Sat 19/418:45BHD - DUB
1 stop15h 05mAer Lingus
Deal found 29/3£138
Sat 3/508:00ORK - BHD
1 stop12h 50mMultiple Airlines
Fri 9/506:45BHD - ORK
1 stop24h 50mMultiple Airlines
Deal found 30/3£159
Thu 15/520:15SNN - BHD
1 stop13h 15mMultiple Airlines
Fri 30/515:20BHD - SNN
1 stop25h 00mMultiple Airlines
Deal found 30/3£170
Mon 19/520:55DUB - BHD
1 stop11h 55mBritish Airways
Mon 26/506:40BHD - DUB
1 stop12h 55mBritish Airways
Deal found 30/3£188
Mon 15/1205:55DUB - BHD
1 stop10h 55mKLM
Sat 20/1217:20BHD - DUB
1 stop4h 40mKLM
Deal found 30/3£195
Tue 28/1011:50ORK - BHD
1 stop4h 25mBritish Airways
Wed 29/1009:10BHD - ORK
1 stop6h 15mBritish Airways
Deal found 29/3£213

Cheapflights Fare Finder

Customise your flight search to find flights from Ireland to Belfast that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 31 March 2025.
Use the filters below to find and compare flights from Ireland to Belfast that are best for you.

Fly from

Ireland

Fly to

Belfast

Route

Depart

Return

Price

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 15/5

21:20-16:40

1 stop19h 20m

Belfast Intl

Thu 22/5

15:55-20:55

1 stop5h 00m

£93

CorkBelfast

ORK - BFS

ORKBFS

Cork

Thu 15/5

06:00-08:10

1 stop26h 10m

Belfast Intl

Thu 22/5

16:25-22:45

1 stop6h 20m

£100

ShannonBelfast

SNN - BFS

SNNBFS

Shannon

Thu 15/5

21:50-18:15

1 stop20h 25m

Belfast Intl

Fri 30/5

16:40-16:20

1 stop23h 40m

£106

Milltown (Kerry)Belfast

KIR - BFS

KIRBFS

Milltown (Kerry) Kerry

Wed 14/5

14:30-21:30

1 stop7h 00m

Belfast Intl

Wed 21/5

07:25-14:05

1 stop6h 40m

£114

CorkBelfast

ORK - BFS

ORKBFS

Cork

Sat 3/5

08:00-06:50

1 stop22h 50m

Belfast Intl

Fri 9/5

07:35-07:35

1 stop24h 00m

£124

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Tue 15/4

06:30-16:25

1 stop9h 55m

Belfast City

Sat 19/4

18:45-09:50

1 stop15h 05m

£138

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Thu 1/5

07:25-14:40

1 stop7h 15m

Belfast City

Wed 7/5

10:20-22:20

1 stop12h 00m

£139

CorkBelfast

ORK - BHD

ORKBHD

Cork

Sat 3/5

08:00-20:50

1 stop12h 50m

Belfast City

Fri 9/5

06:45-07:35

1 stop24h 50m

£159

ShannonBelfast

SNN - BHD

SNNBHD

Shannon

Thu 15/5

20:15-09:30

1 stop13h 15m

Belfast City

Fri 30/5

15:20-16:20

1 stop25h 00m

£170

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Mon 19/5

20:55-08:50

1 stop11h 55m

Belfast City

Mon 26/5

06:40-19:35

1 stop12h 55m

£188

Flights are sorted by cheapest return flights first.

Deals found on 31/3

Showing 1-10 of 23 results
1
2
3

Best time to book a flight from Ireland to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast from Ireland with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ireland to Belfast

What is the cheapest time of day to fly from IE to BFS?

Find hourly flight availability from Ireland to Belfast. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 31 March 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ireland to Belfast as you normally would.

Rainfall in Belfast by month

Plan your trip to Belfast by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Belfast ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Belfast when rainfall is around 50.0 mm.

Temperature in Belfast by month

Plan your trip to Belfast by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Belfast, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Belfast

Get insights into the airlines that provide service to Belfast. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Belfast. Reviews last updated 31 March 2025.
Get a feel of what it's like to fly with KLM, Aer Lingus and British Airways from Ireland to Belfast by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,321 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Crew

8.4

Food

7.3

Comfort

7.7

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,321 reviews
KLM
7.8
Good
1,321 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Crew

8.4

Food

7.3

Comfort

7.7

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Aer Lingus
7.0
Good
1,061 reviews
KLM
7.8
Good
1,321 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Crew

8.4

Food

7.3

Comfort

7.7

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
British Airways
6.6
Okay
6,713 reviews
KLM
7.8
Good
1,321 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Crew

8.4

Food

7.3

Comfort

7.7

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Ryanair
6.1
Okay
KLM
7.8
Good
1,321 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Crew

8.4

Food

7.3

Comfort

7.7

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

Related info for your journey

Find useful and relevant information for your journey from Ireland to Belfast. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the most popular routes from Ireland to Belfast?

    The most popular route from Ireland to Belfast is Dublin - Belfast Intl. You may also consider Dublin - Belfast City or Cork - Belfast Intl.

  • Can I find deals for flights from Ireland to Belfast that include hotel bookings?

    Yes. In addition to deals on Ireland to Belfast flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ireland to Belfast?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to Belfast.

  • Can I find deals for business class flights from Ireland to Belfast?

    Yes. Cheapflights offers flight deals from Ireland to Belfast by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ireland to Belfast?

    Currently, January is the cheapest month in which you can book a flight from Ireland to Belfast (average of £67). Flying from Ireland to Belfast in July is currently the most expensive (average of £90). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ireland to Belfast

See prices for flight routes from nearby airports that may be better suited for you.
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