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Cheap flights from the United Kingdom to Ireland from £18

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 29/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — DUB
23 Jun — 30 Jun1
1 adult

Cheap flight deals from United Kingdom to Ireland

Keep the following information in mind while searching for United Kingdom to Ireland flight deals. Data was last updated 18 June 2025.

Round-trip from

£28

One-way from

£18

Popular in

December

Cheapest in

September

Average price

£73

Good round-trip deal

£29 or less

Good one-way deal

£15 or less
Ryanair
  • Ryanair
  • 1/7-8/7
  • Nonstop
  • 2h 05m total
  • United Kingdom to Ireland
Search Deals
Ryanair
  • Ryanair
  • 29/6
  • Nonstop
  • 1h 05m total
  • United Kingdom to Ireland
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£4 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2025
Search Deals
Price to beat on a round-trip flight from United Kingdom to Ireland.
Search Deals
Price to beat on a one-way flight from United Kingdom to Ireland.
Search Deals

Find flight deals from United Kingdom to Ireland

Cheapest flights from United Kingdom to Ireland
Explore the most affordable flight options available from United Kingdom to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 June 2025.

Tue 1/718:00BHX - DUB
Nonstop1h 05mRyanair
Tue 8/710:00DUB - BHX
Nonstop1h 00mRyanair
Deal found 16/6£28
Wed 2/720:00MAN - DUB
Nonstop0h 55mRyanair
Sat 5/720:35DUB - MAN
Nonstop1h 00mRyanair
Deal found 18/6£28
Tue 8/721:35LGW - DUB
Nonstop1h 25mRyanair
Thu 24/706:15DUB - LGW
Nonstop1h 30mRyanair
Deal found 17/6£31
Tue 15/721:50LTN - DUB
Nonstop1h 15mRyanair
Sat 19/720:35DUB - LTN
Nonstop1h 10mRyanair
Deal found 16/6£32
Tue 15/722:35STN - DUB
Nonstop1h 20mRyanair
Mon 21/706:30DUB - STN
Nonstop1h 20mRyanair
Deal found 16/6£32
Tue 15/707:20BRS - DUB
Nonstop1h 00mRyanair
Tue 15/715:00DUB - BRS
Nonstop1h 05mRyanair
Deal found 16/6£32
Thu 10/717:50STN - DUB
Nonstop1h 20mRyanair
Thu 17/719:35DUB - STN
Nonstop1h 20mRyanair
Deal found 17/6£44
Tue 24/608:30BHX - DUB
Nonstop1h 05mMultiple Airlines
Fri 27/606:30DUB - BHX
Nonstop1h 10mMultiple Airlines
Deal found 17/6£47
Thu 31/712:00MAN - DUB
Nonstop0h 55mMultiple Airlines
Wed 6/812:45DUB - MAN
Nonstop1h 05mMultiple Airlines
Deal found 16/6£50
Sun 22/608:10MAN - DUB
Nonstop1h 00mAer Lingus
Fri 27/606:30DUB - MAN
Nonstop1h 05mAer Lingus
Deal found 16/6£58
Fri 20/620:25BRS - DUB
Nonstop1h 20mMultiple Airlines
Tue 8/708:45DUB - BRS
Nonstop1h 10mMultiple Airlines
Deal found 17/6£64
Mon 16/621:10BHX - DUB
Nonstop1h 20mAer Lingus
Thu 19/610:30DUB - BHX
Nonstop1h 20mAer Lingus
Deal found 16/6£68

Cheapflights Fare Finder

Customise your flight search to find flights from United Kingdom to Ireland 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 18 June 2025.
Use the filters below to find and compare flights from the United Kingdom to Ireland that are best for you.

Fly from

United Kingdom

Fly to

Ireland

Route

Depart

Return

Price

BirminghamDublin

BHX - DUB

BHXDUB

Birmingham

Tue 1/7

18:00-19:05

Nonstop1h 05m

Dublin

Tue 8/7

10:00-11:00

Nonstop1h 00m

£28

ManchesterDublin

MAN - DUB

MANDUB

Manchester

Wed 2/7

20:00-20:55

Nonstop0h 55m

Dublin

Sat 5/7

20:35-21:35

Nonstop1h 00m

£28

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Tue 8/7

21:35-23:00

Nonstop1h 25m

Dublin

Thu 24/7

06:15-07:45

Nonstop1h 30m

£31

LondonDublin

LTN - DUB

LTNDUB

London Luton

Tue 15/7

21:50-23:05

Nonstop1h 15m

Dublin

Sat 19/7

20:35-21:45

Nonstop1h 10m

£32

LondonDublin

STN - DUB

STNDUB

London Stansted

Tue 15/7

10:45-12:05

Nonstop1h 20m

Dublin

Thu 24/7

15:00-16:20

Nonstop1h 20m

£32

BristolDublin

BRS - DUB

BRSDUB

Bristol

Tue 15/7

18:00-19:05

Nonstop1h 05m

Dublin

Tue 22/7

08:45-09:55

Nonstop1h 10m

£32

LondonDublin

STN - DUB

STNDUB

London Stansted

Thu 10/7

17:50-19:10

Nonstop1h 20m

Dublin

Thu 17/7

19:35-20:55

Nonstop1h 20m

£44

ManchesterDublin

MAN - DUB

MANDUB

Manchester

Tue 1/7

14:40-15:35

Nonstop0h 55m

Dublin

Wed 2/7

12:45-13:50

Nonstop1h 05m

£46

BirminghamDublin

BHX - DUB

BHXDUB

Birmingham

Thu 3/7

14:45-15:50

Nonstop1h 05m

Dublin

Tue 8/7

06:30-07:40

Nonstop1h 10m

£47

LondonDublin

STN - DUB

STNDUB

London Stansted

Thu 3/7

17:50-19:10

Nonstop1h 20m

Dublin

Sun 6/7

06:25-07:45

Nonstop1h 20m

£50

Flights are sorted by cheapest return flights first.

Deals found on 16/6

Showing 1-10 of 60 results
1
2
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6

Best time to book a flight from United Kingdom to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from United Kingdom 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 the United Kingdom to Ireland

What is the cheapest month to book a flight from United Kingdom to Ireland?

Currently, January is the cheapest month in which you can book a flight from United Kingdom to Ireland (average of £71). Flying from United Kingdom to Ireland in August is currently the most expensive (average of £93). 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.

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

Find hourly flight availability from United Kingdom to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 June 2025.

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

Weekly flight availability from United Kingdom to Ireland

Explore weekly flight availability from United Kingdom to Ireland. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 18 June 2025.

The most flights from GB0 to IE0 are scheduled on a Monday (69 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (32 on average).

Rainfall in Ireland by month

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

In terms of precipitation, rainfall in Ireland ranges from 49.0 - 79.0 inches per month. October is typically the wettest month, when rainfall can reach 79.0 mm. February is typically the driest time to visit Ireland when rainfall is around 49.0 mm.

Temperature in Ireland by month

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

If weather is an important factor for your trip to Ireland, 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 Ireland

Get insights into the airlines that provide service to Ireland. 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 Ireland. Reviews last updated 18 June 2025.
Peruse reviews from past customers who have flown with Aegean Airlines, KLM and Norwegian from United Kingdom to Ireland to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aegean Airlines
8.2
Very Good
758 reviews
Check prices

Entertainment

7.0

Food

7.4

Overall

8.2

Boarding

7.8

Crew

8.6

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Aegean Airlines
8.2
Very Good
758 reviews
Aegean Airlines
8.2
Very Good
758 reviews
Check prices

Entertainment

7.0

Food

7.4

Overall

8.2

Boarding

7.8

Crew

8.6

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
KLM
7.8
Good
1,364 reviews
Aegean Airlines
8.2
Very Good
758 reviews
Check prices

Entertainment

7.0

Food

7.4

Overall

8.2

Boarding

7.8

Crew

8.6

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Norwegian
7.8
Good
233 reviews
Aegean Airlines
8.2
Very Good
758 reviews
Check prices

Entertainment

7.0

Food

7.4

Overall

8.2

Boarding

7.8

Crew

8.6

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Air France
7.5
Good
1,467 reviews
Aegean Airlines
8.2
Very Good
758 reviews
Check prices

Entertainment

7.0

Food

7.4

Overall

8.2

Boarding

7.8

Crew

8.6

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
SWISS
7.5
Good
1,632 reviews
Aegean Airlines
8.2
Very Good
758 reviews
Check prices

Entertainment

7.0

Food

7.4

Overall

8.2

Boarding

7.8

Crew

8.6

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Related info for your journey

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

  • What are the cheapest airlines to fly from United Kingdom to Ireland one-way?

    The cheapest airline one-way is Ryanair, with whom users have recently found tickets for as low as £18. However, be on the lookout for offers from Ryanair and Aer Lingus, as they are both options that can get you from United Kingdom to Ireland for a low price.

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

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

  • How can I find direct flights from United Kingdom to Ireland?

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

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

    Yes. Cheapflights offers flight deals from United Kingdom to Ireland 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 United Kingdom to Ireland?

    Currently, January is the cheapest month in which you can book a flight from United Kingdom to Ireland (average of £71). Flying from United Kingdom to Ireland in August is currently the most expensive (average of £93). 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 United Kingdom to Ireland

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Top 6 airlines flying from United Kingdom to Ireland

Discover the top 6 airlines that operate flights from United Kingdom to Ireland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 18 June 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£18Average£49FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
RyanairCheapest£25Average£70FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Aer LingusCheapest£43Average£198FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£44Average£244FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£68Average£215FlexibilityNo cancel feeOn-time75%
Search KLM flights
LoganairCheapest£142Average£184FlexibilityNo cancel feeOn-time79%
Search Loganair flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from United Kingdom to Ireland?

Cheapflights helps you search for flights from United Kingdom to Ireland via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from United Kingdom to Ireland?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from United Kingdom to Ireland.

Can Cheapflights find flights from United Kingdom to Ireland with no change fees?

Yes, we can. To see specific flights from United Kingdom to Ireland with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from United Kingdom to Ireland become cheaper?

Yes! Start tracking prices for United Kingdom to Ireland flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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