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Cheap flights from Dublin to Belfast from £103

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — BHD
25 Feb — 4 Mar1
1 adult

Cheap flight deals from Dublin to Belfast

Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) to Belfast (BF1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 20 February 2025.

Round-trip from

£103
3/4-28/4
  • 3/4-28/4
  • 2 total stops
  • 39h 20m total
  • Dublin to Belfast
Search Deals

Find flight deals from Dublin to Belfast

Cheapest flights from Dublin to Belfast
Explore the most affordable flight options available from Dublin to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 February 2025.

Thu 3/406:30DUB - BFS
1 stop24h 40mMultiple Airlines
Mon 28/421:55BFS - DUB
1 stop14h 40mMultiple Airlines
Deal found 18/2£103
Wed 19/306:30DUB - BHD
1 stop14h 20mAer Lingus
Wed 26/314:25BHD - DUB
1 stop3h 50mAer Lingus
Deal found 19/2£133
Wed 19/311:40DUB - BHD
1 stop5h 15mMultiple Airlines
Wed 26/316:45BHD - DUB
1 stop3h 25mMultiple Airlines
Deal found 19/2£136
Mon 24/313:25DUB - BHD
1 stop7h 35mKLM
Mon 31/306:30BHD - DUB
1 stop13h 45mKLM
Deal found 19/2£160
Mon 24/320:30DUB - BHD
1 stop12h 35mBritish Airways
Tue 1/420:20BHD - DUB
1 stop11h 20mBritish Airways
Deal found 19/2£183

Find flights from Dublin to Belfast within your budget

Customise your flight search to find flights from Dublin 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 20 February 2025.

Fly from

Dublin

Fly to

Belfast

Route

Depart

Return

Price

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 3/4

06:30-07:10

1 stop24h 40m

Belfast Intl

Mon 28/4

21:55-12:35

1 stop14h 40m

£103

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Wed 19/3

06:30-20:50

1 stop14h 20m

Belfast City

Wed 26/3

14:25-18:15

1 stop3h 50m

£133

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Wed 19/3

11:40-16:55

1 stop5h 15m

Belfast City

Wed 26/3

16:45-20:10

1 stop3h 25m

£136

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Mon 24/3

13:25-21:00

1 stop7h 35m

Belfast City

Mon 31/3

06:30-20:15

1 stop13h 45m

£160

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Mon 24/3

20:30-09:05

1 stop12h 35m

Belfast City

Tue 1/4

20:20-07:40

1 stop11h 20m

£183

Flights are sorted by cheapest return flights first.

Deals found on 18/2

Best time to book a flight from Dublin to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast from Dublin 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.

Travel insights for flights from Dublin to Belfast

Get recent, data-driven insights about flights from Dublin to Belfast including ideal travel times, pricing trends, and more.

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

Find hourly flight availability from Dublin 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 20 February 2025.

When flying from Dublin to Belfast, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 20 February 2025.
KLM
7.8
Good
1,333 reviews
Check prices

Entertainment

7.2

Crew

8.4

Overall

7.8

Food

7.3

Comfort

7.7

Boarding

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

KLM
7.8
Good
1,333 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Entertainment

7.2

Crew

8.4

Overall

7.8

Food

7.3

Comfort

7.7

Boarding

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Aer Lingus
7.0
Good
1,070 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Entertainment

7.2

Crew

8.4

Overall

7.8

Food

7.3

Comfort

7.7

Boarding

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

British Airways
6.6
Okay
6,763 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Entertainment

7.2

Crew

8.4

Overall

7.8

Food

7.3

Comfort

7.7

Boarding

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Related info for your journey

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

  • What airport do you fly from for flights from Dublin to Belfast?

    If you book a flight to Belfast from Dublin, you will be flying from Dublin, which is the city’s only airport. Dublin (DUB) is located 5.7 mi from the center of Dublin. There are 0 flights from Dublin to Belfast per day from 0 different airlines.

  • What are the cheapest airlines flying from Dublin to Belfast round-trip?

    Our cheapest airline available from Dublin to Belfast is Aer Lingus. Our recent data shows that you can find tickets from as low as £133 on this airline. Additional options worth looking into are KLM and British Airways, starting at £160 and £183 round-trip.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dublin 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 Dublin to Belfast?

    Currently, January is the cheapest month in which you can book a flight from Dublin to Belfast (average of £67). Flying from Dublin 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

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Why should you use Cheapflights to find cheap flight tickets from Dublin to Belfast?

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Can Cheapflights find flights from Dublin to Belfast with no change fees?

Yes! Cheapflights helps users easily find flights from Dublin to Belfast with no change fees.

Can Cheapflights notify me if prices for flights from Dublin to Belfast become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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