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Cheap flights from Ireland to the United Kingdom from £17

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 16/7. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LHR
5 May — 12 May1
1 adult

Cheap flight deals from Ireland to United Kingdom

Keep the following information in mind while searching for Ireland to United Kingdom flight deals. Data was last updated 30 April 2025.

Round-trip from

£28

One-way from

£17

Popular in

May

Cheapest in

January

Average price

£103

Good round-trip deal

£14 or less

Good one-way deal

£12 or less
Ryanair
  • Ryanair
  • 15/5-18/5
  • Nonstop
  • 2h 10m total
  • Ireland to United Kingdom
Search Deals
Ryanair
  • Ryanair
  • 16/7
  • Nonstop
  • 1h 05m total
  • Ireland to United Kingdom
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£12 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£2 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
Search Deals
Price to beat on a round-trip flight from Ireland to United Kingdom.
Search Deals
Price to beat on a one-way flight from Ireland to United Kingdom.
Search Deals

Find flight deals from Ireland to United Kingdom

Cheapest flights from Ireland to United Kingdom
Explore the most affordable flight options available from Ireland to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 April 2025.

Thu 15/507:25DUB - BRS
Nonstop1h 05mRyanair
Sun 18/507:40BRS - DUB
Nonstop1h 05mRyanair
Deal found 29/4£28
Sun 8/607:10DUB - BHX
Nonstop1h 05mRyanair
Sun 22/608:40BHX - DUB
Nonstop1h 05mRyanair
Deal found 29/4£28
Tue 10/612:50DUB - LBA
Nonstop1h 00mRyanair
Tue 24/607:55LBA - DUB
Nonstop1h 00mRyanair
Deal found 29/4£28
Sat 7/614:35DUB - LTN
Nonstop1h 10mRyanair
Mon 23/621:55LTN - DUB
Nonstop1h 15mRyanair
Deal found 29/4£35
Sat 7/615:15DUB - STN
Nonstop1h 20mRyanair
Mon 23/606:25STN - DUB
Nonstop1h 20mRyanair
Deal found 29/4£36
Sat 10/517:25DUB - LGW
Nonstop1h 30mRyanair
Sat 10/521:30LGW - DUB
Nonstop1h 25mRyanair
Deal found 29/4£37
Wed 23/723:10DUB - LPL
Nonstop0h 55mRyanair
Wed 6/821:40LPL - DUB
Nonstop0h 55mRyanair
Deal found 30/4£38
Sun 24/807:05DUB - MAN
Nonstop1h 00mRyanair
Mon 25/822:05MAN - DUB
Nonstop0h 55mRyanair
Deal found 30/4£45
Mon 12/506:30DUB - BHX
Nonstop1h 10mAer Lingus
Thu 15/508:10BHX - DUB
Nonstop1h 05mAer Lingus
Deal found 28/4£48
Wed 21/517:50DUB - LBA
Nonstop1h 20mAer Lingus
Thu 22/516:00LBA - DUB
Nonstop1h 20mAer Lingus
Deal found 29/4£51
Thu 8/519:30DUB - LPL
Nonstop1h 05mAer Lingus
Sun 11/512:30LPL - DUB
Nonstop1h 05mAer Lingus
Deal found 29/4£53
Wed 4/617:15DUB - BRS
Nonstop1h 20mAer Lingus
Sat 7/612:25BRS - DUB
Nonstop1h 10mAer Lingus
Deal found 29/4£54

Cheapflights Fare Finder

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

Fly from

Ireland

Fly to

United Kingdom

Route

Depart

Return

Price

DublinBirmingham

DUB - BHX

DUBBHX

Dublin

Sat 7/6

06:45-07:50

Nonstop1h 05m

Birmingham

Sat 14/6

15:25-16:30

Nonstop1h 05m

£30

DublinBristol

DUB - BRS

DUBBRS

Dublin

Fri 13/6

06:00-07:05

Nonstop1h 05m

Bristol

Fri 20/6

19:00-20:05

Nonstop1h 05m

£32

DublinLondon

DUB - LTN

DUBLTN

Dublin

Sat 7/6

14:35-15:45

Nonstop1h 10m

London Luton

Mon 23/6

21:55-23:10

Nonstop1h 15m

£35

DublinLondon

DUB - STN

DUBSTN

Dublin

Sat 7/6

15:15-16:35

Nonstop1h 20m

London Stansted

Mon 23/6

06:25-07:45

Nonstop1h 20m

£36

DublinLondon

DUB - LGW

DUBLGW

Dublin

Sat 10/5

17:25-18:55

Nonstop1h 30m

London Gatwick

Sat 10/5

21:30-22:55

Nonstop1h 25m

£37

DublinLiverpool

DUB - LPL

DUBLPL

Dublin

Wed 23/7

23:10-00:05

Nonstop0h 55m

Liverpool J. Lennon

Wed 6/8

21:40-22:35

Nonstop0h 55m

£38

DublinLeeds

DUB - LBA

DUBLBA

Dublin

Sun 13/7

07:30-08:30

Nonstop1h 00m

Leeds/Bradford

Wed 16/7

12:40-13:40

Nonstop1h 00m

£40

DublinManchester

DUB - MAN

DUBMAN

Dublin

Sun 24/8

07:05-08:05

Nonstop1h 00m

Manchester

Mon 25/8

22:05-23:00

Nonstop0h 55m

£45

DublinBirmingham

DUB - BHX

DUBBHX

Dublin

Mon 12/5

06:30-07:40

Nonstop1h 10m

Birmingham

Thu 15/5

08:10-09:15

Nonstop1h 05m

£48

DublinLeeds

DUB - LBA

DUBLBA

Dublin

Wed 21/5

17:50-19:10

Nonstop1h 20m

Leeds/Bradford

Thu 22/5

16:00-17:20

Nonstop1h 20m

£51

Flights are sorted by cheapest return flights first.

Deals found on 28/4

Showing 1-10 of 60 results
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6

Best time to book a flight from Ireland to United Kingdom

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

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

Currently, January is the cheapest month in which you can book a flight from Ireland to United Kingdom (average of £112). Flying from Ireland to United Kingdom in August is currently the most expensive (average of £164). 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 IE to GB?

Find hourly flight availability from Ireland to United Kingdom. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 April 2025.

When flying from Ireland to United Kingdom, 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 Ireland to United Kingdom

Explore weekly flight availability from Ireland to United Kingdom. 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 April 2025.

The most flights from IE0 to GB0 are scheduled on a Tuesday (76 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (41 on average).

Rainfall in United Kingdom by month

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

In terms of precipitation, rainfall in United Kingdom ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit United Kingdom when rainfall is around 40.0 mm.

Temperature in United Kingdom by month

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

If weather is an important factor for your trip to United Kingdom, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing United Kingdom

Get insights into the airlines that provide service to United Kingdom. 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 United Kingdom. Reviews last updated 30 April 2025.
Read reviews from past customers who have flown Aegean Airlines, KLM and Norwegian from Ireland to United Kingdom. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Aegean Airlines
8.1
Very Good
739 reviews
Check prices

Food

7.3

Comfort

7.8

Overall

8.1

Boarding

7.8

Crew

8.6

Entertainment

6.9

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
8.1
Very Good
739 reviews
Aegean Airlines
8.1
Very Good
739 reviews
Check prices

Food

7.3

Comfort

7.8

Overall

8.1

Boarding

7.8

Crew

8.6

Entertainment

6.9

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
1,334 reviews
Aegean Airlines
8.1
Very Good
739 reviews
Check prices

Food

7.3

Comfort

7.8

Overall

8.1

Boarding

7.8

Crew

8.6

Entertainment

6.9

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
227 reviews
Aegean Airlines
8.1
Very Good
739 reviews
Check prices

Food

7.3

Comfort

7.8

Overall

8.1

Boarding

7.8

Crew

8.6

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Austrian Airlines
7.6
Good
780 reviews
Aegean Airlines
8.1
Very Good
739 reviews
Check prices

Food

7.3

Comfort

7.8

Overall

8.1

Boarding

7.8

Crew

8.6

Entertainment

6.9

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
1,588 reviews
Aegean Airlines
8.1
Very Good
739 reviews
Check prices

Food

7.3

Comfort

7.8

Overall

8.1

Boarding

7.8

Crew

8.6

Entertainment

6.9

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 Ireland to United Kingdom. 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 Ireland to United Kingdom one-way?

    One-way options have recently been found by users for as low as £17 on Ryanair. Other airlines that offer cheap prices include Aer Lingus from £19 and British Airways from £27 one-way.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Ireland to United Kingdom (average of £112). Flying from Ireland to United Kingdom in August is currently the most expensive (average of £164). 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 United Kingdom

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Ireland to United Kingdom

Discover the top 4 airlines that operate flights from Ireland to United Kingdom. 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 April 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£26Average£41FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
RyanairCheapest£26Average£71FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Aer LingusCheapest£38Average£111FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£57Average£121FlexibilityNo cancel feeOn-time70%
Search British Airways 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 Ireland to United Kingdom?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ireland to United Kingdom. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

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 Ireland to United Kingdom.

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

Yes, we can. To see specific flights from Ireland to United Kingdom 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 Ireland to United Kingdom become cheaper?

Yes, Cheapflights offers price alerts on Ireland to United Kingdom flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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