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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 21/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — DUB
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

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 30 October 2025.

Round-trip from

£33

One-way from

£15

Popular in

December

Cheapest in

January

Average price

£76

Good round-trip deal

£31 or less

Good one-way deal

£17 or less
Ryanair
  • Ryanair
  • 13/12-20/12
  • Nonstop
  • 2h 00m total
  • United Kingdom to Ireland
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Ryanair
  • Ryanair
  • 21/11
  • Nonstop
  • 1h 00m total
  • United Kingdom to Ireland
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£3 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from United Kingdom to Ireland.
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Price to beat on a one-way flight from United Kingdom to Ireland.
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Find flight deals from United Kingdom to Ireland

Enter your travel dates to find the best prices.

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 30 October 2025.

Sat 13/1222:30GLA - DUB
Nonstop1h 00mRyanair
Sat 20/1205:55DUB - GLA
Nonstop1h 00mRyanair
Deal found 29/10£33
Sat 6/1222:15MAN - DUB
Nonstop1h 00mRyanair
Mon 15/1205:45DUB - MAN
Nonstop1h 00mRyanair
Deal found 28/10£33
Mon 3/1122:00GLA - DUB
Nonstop1h 00mRyanair
Wed 5/1106:20DUB - GLA
Nonstop1h 00mRyanair
Deal found 29/10£33
Sat 15/1122:15MAN - DUB
Nonstop1h 00mRyanair
Sun 16/1107:00DUB - MAN
Nonstop1h 00mRyanair
Deal found 28/10£33
Sat 8/1117:05BHX - DUB
Nonstop1h 05mRyanair
Sat 15/1122:20DUB - BHX
Nonstop1h 05mRyanair
Deal found 27/10£34
Wed 5/1108:50LGW - DUB
Nonstop1h 25mRyanair
Wed 5/1115:50DUB - LGW
Nonstop1h 25mRyanair
Deal found 28/10£34
Tue 25/1109:00LTN - DUB
Nonstop1h 15mRyanair
Tue 2/1207:20DUB - LTN
Nonstop1h 15mRyanair
Deal found 28/10£34
Fri 28/1121:45STN - DUB
Nonstop1h 20mRyanair
Sun 30/1106:30DUB - STN
Nonstop1h 20mRyanair
Deal found 29/10£34
Sat 8/1113:25MAN - DUB
Nonstop1h 00mRyanair
Sun 9/1107:00DUB - MAN
Nonstop1h 00mRyanair
Deal found 28/10£34
Thu 13/1107:25BHX - DUB
Nonstop1h 05mRyanair
Sun 16/1107:10DUB - BHX
Nonstop1h 05mRyanair
Deal found 27/10£35
Sat 8/1116:45LGW - DUB
Nonstop1h 25mRyanair
Sat 8/1120:35DUB - LGW
Nonstop1h 25mRyanair
Deal found 29/10£35
Thu 27/1107:15GLA - DUB
Nonstop1h 00mRyanair
Thu 27/1120:00DUB - GLA
Nonstop1h 00mRyanair
Deal found 28/10£35

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 30 October 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

GlasgowDublin

GLA - DUB

GLADUB

Glasgow Intl

Thu 27/11

07:15-08:15

Nonstop1h 00m

Dublin

Sat 29/11

05:55-06:55

Nonstop1h 00m

£33

ManchesterDublin

MAN - DUB

MANDUB

Manchester

Wed 12/11

20:10-21:10

Nonstop1h 00m

Dublin

Thu 13/11

10:05-11:05

Nonstop1h 00m

£33

GlasgowDublin

GLA - DUB

GLADUB

Glasgow Intl

Thu 27/11

07:15-08:15

Nonstop1h 00m

Dublin

Sun 30/11

05:55-06:55

Nonstop1h 00m

£33

GlasgowDublin

GLA - DUB

GLADUB

Glasgow Intl

Wed 26/11

20:45-21:45

Nonstop1h 00m

Dublin

Wed 3/12

06:20-07:20

Nonstop1h 00m

£33

GlasgowDublin

GLA - DUB

GLADUB

Glasgow Intl

Sat 29/11

20:25-21:25

Nonstop1h 00m

Dublin

Sun 30/11

05:55-06:55

Nonstop1h 00m

£33

GlasgowDublin

GLA - DUB

GLADUB

Glasgow Intl

Sat 13/12

22:30-23:30

Nonstop1h 00m

Dublin

Sat 20/12

05:55-06:55

Nonstop1h 00m

£33

GlasgowDublin

GLA - DUB

GLADUB

Glasgow Intl

Thu 27/11

07:15-08:15

Nonstop1h 00m

Dublin

Tue 2/12

07:00-08:00

Nonstop1h 00m

£33

ManchesterDublin

MAN - DUB

MANDUB

Manchester

Sat 6/12

22:15-23:15

Nonstop1h 00m

Dublin

Mon 15/12

05:45-06:45

Nonstop1h 00m

£33

ManchesterDublin

MAN - DUB

MANDUB

Manchester

Fri 12/12

20:25-21:25

Nonstop1h 00m

Dublin

Mon 15/12

05:45-06:45

Nonstop1h 00m

£33

ManchesterDublin

MAN - DUB

MANDUB

Manchester

Sat 6/12

22:15-23:15

Nonstop1h 00m

Dublin

Wed 10/12

06:45-07:45

Nonstop1h 00m

£33

Flights are sorted by cheapest return flights first.

Deals found on 27/10

Showing 1-10 of 60 results
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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, April is the cheapest month in which you can book a flight from United Kingdom to Ireland (average of £15). Flying from United Kingdom to Ireland in September is currently the most expensive (average of £30). 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 30 October 2025.

It’s optimal to fly from United Kingdom to Ireland in the afternoon. By choosing this option you can save up to 53% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from United Kingdom to Ireland?

Use this chart to determine the cheapest time to fly return from United Kingdom to Ireland. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their United Kingdom to Ireland flight should consider departing on Monday afternoons when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 30 October 2025.

The most flights from GB0 to IE0 are scheduled on a Wednesday (60 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (32 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 30 October 2025.
Check out reviews from past customers who have flown with KLM, Aer Lingus, andRyanair 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
7.7
Good
1,406 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Food

7.3

Overall

7.7

Comfort

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,406 reviews
KLM
7.7
Good
1,406 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Food

7.3

Overall

7.7

Comfort

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Aer Lingus
7.2
Good
1,361 reviews
KLM
7.7
Good
1,406 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Food

7.3

Overall

7.7

Comfort

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Ryanair
6.8
Okay
5,187 reviews
KLM
7.7
Good
1,406 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Food

7.3

Overall

7.7

Comfort

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
British Airways
6.7
Okay
7,487 reviews
KLM
7.7
Good
1,406 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Food

7.3

Overall

7.7

Comfort

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Ryanair
6.3
Okay
KLM
7.7
Good
1,406 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Food

7.3

Overall

7.7

Comfort

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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.

  • How long is the flight from United Kingdom to Ireland?

    A quick flight from United Kingdom to Ireland can take about 1h. Ryanair provides one of the quickest options available for as low as £33. United Kingdom and Ireland are separated by a distance of 184 mi. Generally, flights for this route are direct.

  • 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, April is the cheapest month in which you can book a flight from United Kingdom to Ireland (average of £15). Flying from United Kingdom to Ireland in September is currently the most expensive (average of £30). 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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Vienna to London City flights
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Beauvais-Tille to Gatwick flights
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Amsterdam to Gatwick flights
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Amsterdam to Luton flights
Heathrow to Istanbul flights
Frankfurt to London City flights
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Malpensa to Luton flights
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Madrid to Southend flights
Marseille to Heathrow flights
Duesseldorf Intl to Luton flights
Nantes to Heathrow flights
Bruxelles-National to London City flights

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 30 October 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£16Average£48FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
RyanairCheapest£27Average£72FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Aer LingusCheapest£44Average£210FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£69Average£242FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£70Average£255FlexibilityNo cancel feeOn-time75%
Search KLM flights
LoganairCheapest£145Average£196FlexibilityNo 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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