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Cheap flights from the United Kingdom to Ireland from £15

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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — DUB
6 Jul — 13 Jul1
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 1 July 2025.

Round-trip from

£28

One-way from

£15

Popular in

December

Cheapest in

September

Average price

£62

Good round-trip deal

£28 or less

Good one-way deal

£16 or less
Ryanair
  • Ryanair
  • 24/7-27/7
  • Nonstop
  • 2h 10m total
  • United Kingdom to Ireland
Search Deals
Ryanair
  • Ryanair
  • 10/7
  • Nonstop
  • 1h 05m total
  • United Kingdom to Ireland
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£4 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 1 July 2025.

Thu 24/705:55BHX - DUB
Nonstop1h 05mRyanair
Sun 27/708:40DUB - BHX
Nonstop1h 05mRyanair
Deal found 1/7£28
Wed 9/708:10LBA - DUB
Nonstop1h 00mRyanair
Fri 11/707:30DUB - LBA
Nonstop1h 00mRyanair
Deal found 30/6£28
Fri 18/722:20MAN - DUB
Nonstop0h 55mRyanair
Tue 22/721:25DUB - MAN
Nonstop1h 00mRyanair
Deal found 30/6£28
Tue 5/820:35LGW - DUB
Nonstop1h 25mRyanair
Wed 13/819:45DUB - LGW
Nonstop1h 30mRyanair
Deal found 30/6£31
Wed 13/809:05STN - DUB
Nonstop1h 20mRyanair
Wed 13/821:35DUB - STN
Nonstop1h 20mRyanair
Deal found 30/6£31
Tue 12/821:50LTN - DUB
Nonstop1h 15mRyanair
Wed 13/821:00DUB - LTN
Nonstop1h 10mRyanair
Deal found 30/6£32
Fri 4/705:55BHX - DUB
Nonstop1h 05mMultiple Airlines
Sun 6/706:30DUB - BHX
Nonstop1h 10mMultiple Airlines
Deal found 30/6£47
Mon 7/722:05MAN - DUB
Nonstop0h 55mMultiple Airlines
Thu 10/707:40DUB - MAN
Nonstop1h 10mMultiple Airlines
Deal found 30/6£47
Fri 1/820:15BHX - DUB
Nonstop1h 00mAer Lingus
Fri 8/806:30DUB - BHX
Nonstop1h 10mAer Lingus
Deal found 1/7£48
Thu 7/817:50STN - DUB
Nonstop1h 20mMultiple Airlines
Mon 11/806:30DUB - STN
Nonstop1h 20mMultiple Airlines
Deal found 30/6£48
Mon 3/1106:30STN - DUB
Nonstop1h 20mRyanair
Sat 8/1121:45DUB - STN
Nonstop1h 20mRyanair
Deal found 30/6£52
Sat 5/717:25MAN - DUB
Nonstop1h 15mAer Lingus
Mon 7/719:10DUB - MAN
Nonstop1h 15mAer Lingus
Deal found 28/6£58

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 1 July 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

Thu 24/7

05:55-07:00

Nonstop1h 05m

Dublin

Sun 27/7

08:40-09:45

Nonstop1h 05m

£28

LeedsDublin

LBA - DUB

LBADUB

Leeds/Bradford

Sat 12/7

23:20-00:20

Nonstop1h 00m

Dublin

Sun 13/7

07:30-08:30

Nonstop1h 00m

£28

ManchesterDublin

MAN - DUB

MANDUB

Manchester

Fri 18/7

22:20-23:15

Nonstop0h 55m

Dublin

Tue 22/7

21:25-22:25

Nonstop1h 00m

£28

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Tue 5/8

20:35-22:00

Nonstop1h 25m

Dublin

Wed 13/8

19:45-21:15

Nonstop1h 30m

£31

LondonDublin

STN - DUB

STNDUB

London Stansted

Wed 13/8

09:05-10:25

Nonstop1h 20m

Dublin

Wed 13/8

21:35-22:55

Nonstop1h 20m

£31

LondonDublin

LTN - DUB

LTNDUB

London Luton

Tue 12/8

21:50-23:05

Nonstop1h 15m

Dublin

Wed 13/8

21:00-22:10

Nonstop1h 10m

£32

BirminghamDublin

BHX - DUB

BHXDUB

Birmingham

Thu 17/7

13:20-14:25

Nonstop1h 05m

Dublin

Mon 21/7

06:30-07:40

Nonstop1h 10m

£47

ManchesterDublin

MAN - DUB

MANDUB

Manchester

Sat 12/7

22:00-22:55

Nonstop0h 55m

Dublin

Tue 15/7

06:30-07:35

Nonstop1h 05m

£47

BirminghamDublin

BHX - DUB

BHXDUB

Birmingham

Fri 1/8

20:15-21:15

Nonstop1h 00m

Dublin

Fri 8/8

06:30-07:40

Nonstop1h 10m

£48

LondonDublin

STN - DUB

STNDUB

London Stansted

Thu 7/8

17:50-19:10

Nonstop1h 20m

Dublin

Mon 11/8

06:30-07:50

Nonstop1h 20m

£48

Flights are sorted by cheapest return flights first.

Deals found on 30/6

Showing 1-10 of 51 results
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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 1 July 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 1 July 2025.

The most flights from GB0 to IE0 are scheduled on a Monday (67 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (29 on average).

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 1 July 2025.
Check out reviews from past customers who have flown with KLM, Air France, andVueling from the United Kingdom to Ireland to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,366 reviews
Check prices

Entertainment

7.1

Overall

7.8

Crew

8.4

Comfort

7.7

Boarding

7.8

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,366 reviews
KLM
7.8
Good
1,366 reviews
Check prices

Entertainment

7.1

Overall

7.8

Crew

8.4

Comfort

7.7

Boarding

7.8

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Air France
7.5
Good
1,472 reviews
KLM
7.8
Good
1,366 reviews
Check prices

Entertainment

7.1

Overall

7.8

Crew

8.4

Comfort

7.7

Boarding

7.8

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Vueling
7.1
Good
1,170 reviews
KLM
7.8
Good
1,366 reviews
Check prices

Entertainment

7.1

Overall

7.8

Crew

8.4

Comfort

7.7

Boarding

7.8

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Aer Lingus
7.1
Good
1,140 reviews
KLM
7.8
Good
1,366 reviews
Check prices

Entertainment

7.1

Overall

7.8

Crew

8.4

Comfort

7.7

Boarding

7.8

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Ryanair
6.8
Okay
5,152 reviews
KLM
7.8
Good
1,366 reviews
Check prices

Entertainment

7.1

Overall

7.8

Crew

8.4

Comfort

7.7

Boarding

7.8

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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 £15. However, be on the lookout for offers from Aer Lingus and Ryanair, 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

See prices for flight routes from nearby airports that may be better suited for you.
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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 1 July 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£18Average£46FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
RyanairCheapest£22Average£69FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Aer LingusCheapest£43Average£196FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£62Average£245FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£67Average£214FlexibilityNo cancel feeOn-time75%
Search KLM flights
LoganairCheapest£140Average£181FlexibilityNo 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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