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Cheap flights from Ireland to the United Kingdom from £13

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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LHR
8 May — 15 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ireland to United Kingdom

Enter your travel dates to find the best prices.

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 8 April 2026.

Tue 28/411:35
ORK
-
LTN
Nonstop1h 20m
Ryanair
Thu 30/416:45
LTN
-
ORK
Nonstop1h 20m
Ryanair
Deal found 7/4£28
Thu 16/405:55
DUB
-
LPL
Nonstop0h 55m
Ryanair
Sun 19/406:55
LPL
-
DUB
Nonstop0h 55m
Ryanair
Deal found 3/4£28
Tue 19/511:35
ORK
-
LTN
Nonstop1h 20m
Ryanair
Tue 26/509:50
LTN
-
ORK
Nonstop1h 20m
Ryanair
Deal found 3/4£29
Thu 23/405:55
DUB
-
LPL
Nonstop0h 55m
Ryanair
Mon 27/420:15
LPL
-
DUB
Nonstop0h 55m
Ryanair
Deal found 5/4£29
Thu 16/418:30
ORK
-
LTN
Nonstop1h 20m
Ryanair
Fri 17/412:15
LTN
-
ORK
Nonstop1h 20m
Ryanair
Deal found 3/4£29
Thu 16/405:55
DUB
-
LPL
Nonstop0h 55m
Ryanair
Mon 20/407:10
LPL
-
DUB
Nonstop0h 55m
Ryanair
Deal found 6/4£29
Thu 30/418:30
ORK
-
LTN
Nonstop1h 20m
Ryanair
Tue 5/509:50
LTN
-
ORK
Nonstop1h 20m
Ryanair
Deal found 6/4£30
Sat 25/419:40
DUB
-
LPL
Nonstop0h 55m
Ryanair
Mon 27/407:10
LPL
-
DUB
Nonstop0h 55m
Ryanair
Deal found 4/4£31
Thu 21/518:30
ORK
-
LTN
Nonstop1h 20m
Ryanair
Thu 28/516:45
LTN
-
ORK
Nonstop1h 20m
Ryanair
Deal found 6/4£32
Wed 29/410:40
DUB
-
LPL
Nonstop0h 55m
Ryanair
Wed 6/520:30
LPL
-
DUB
Nonstop0h 55m
Ryanair
Deal found 5/4£32
Thu 16/407:30
DUB
-
MAN
Nonstop1h 00m
Ryanair
Mon 20/417:10
MAN
-
DUB
Nonstop1h 00m
Ryanair
Deal found 5/4£32
Mon 4/505:50
DUB
-
LPL
Nonstop0h 55m
Ryanair
Tue 5/506:05
LPL
-
DUB
Nonstop0h 55m
Ryanair
Deal found 6/4£32

Find 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 8 April 2026.

Round-trip from

£28

One-way from

£13

Popular in

April

Cheapest in

January

Average price

£109

Good round-trip deal

£17 or less

Good one-way deal

£12 or less
Ryanair
  • Ryanair
  • 28/4-30/4
  • Nonstop
  • 2h 40m total
  • Ireland to United Kingdom
Search Deals
Ryanair
  • Ryanair
  • 14/4
  • Nonstop
  • 1h 30m total
  • Ireland to United Kingdom
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£4 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 2026
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

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 8 April 2026.
Use the filters below to find and compare flights from Ireland to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CorkLondon

ORK - LTN

ORKLTN

Cork

Tue 19/5

11:35-12:55

Nonstop1h 20m

London Luton

Tue 26/5

09:50-11:10

Nonstop1h 20m

£29

CorkLondon

ORK - LTN

ORKLTN

Cork

Thu 21/5

18:30-19:50

Nonstop1h 20m

London Luton

Thu 28/5

16:45-18:05

Nonstop1h 20m

£32
Fastest return journey

DublinManchester

DUB - MAN

DUBMAN

Dublin

Tue 9/6

06:05-07:05

Nonstop1h 00m

Manchester

Wed 10/6

20:30-21:30

Nonstop1h 00m

£33

DublinLondon

DUB - LGW

DUBLGW

Dublin

Mon 27/4

11:15-12:45

Nonstop1h 30m

London Gatwick

Sun 3/5

08:55-10:20

Nonstop1h 25m

£38

DublinLondon

DUB - LTN

DUBLTN

Dublin

Sat 25/7

23:15-00:30

Nonstop1h 15m

London Luton

Tue 28/7

13:10-14:30

Nonstop1h 20m

£41

DublinLondon

DUB - LTN

DUBLTN

Dublin

Sat 18/7

16:10-17:25

Nonstop1h 15m

London Luton

Wed 22/7

06:15-07:35

Nonstop1h 20m

£44

CorkLondon

ORK - LTN

ORKLTN

Cork

Wed 19/8

14:50-16:10

Nonstop1h 20m

London Luton

Thu 20/8

16:45-18:05

Nonstop1h 20m

£50

DublinLondon

DUB - STN

DUBSTN

Dublin

Fri 22/5

21:05-22:25

Nonstop1h 20m

London Stansted

Sat 23/5

20:00-21:20

Nonstop1h 20m

£51

CorkLondon

ORK - LGW

ORKLGW

Cork

Thu 16/7

19:05-20:35

Nonstop1h 30m

London Gatwick

Tue 28/7

10:25-11:55

Nonstop1h 30m

£54

DublinLondon

DUB - STN

DUBSTN

Dublin

Wed 8/7

22:00-23:20

Nonstop1h 20m

London Stansted

Mon 13/7

22:00-23:20

Nonstop1h 20m

£55

Flights are sorted by cheapest return flights first.

Deals found on 5/4

Showing 1-10 of 60 resultsSorted by cheapest first
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2
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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, May is the cheapest month in which you can book a flight from Ireland to United Kingdom (average of £14). Flying from Ireland to United Kingdom in January is currently the most expensive (average of £32). 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 8 April 2026.

It’s optimal to fly from Ireland to United Kingdom at midday. By choosing this option you can save up to 22% on the cost of your flight, compared to a flight in the morning.

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

Use this chart to determine the cheapest time to fly return from Ireland to United Kingdom. Price data was last updated on 23 March 2026.

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

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 8 April 2026.

The most flights from IE0 to GB0 are scheduled on a Tuesday (72 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (37 on average).

How often are flights from Ireland to the United Kingdom delayed?

About 15% of weekly flights between Ireland and United Kingdom have experienced delays in the past year, with the average delay time being 98 minutes.

What is the most punctual flight time for Ireland to the United Kingdom flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Ireland to the United Kingdom flights?

Over the past year, British Airways have had the lowest number of delays on this route, with just 14% of flights being delayed.

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 8 April 2026.
See what other customers who have flown with Aer Lingus,Ryanair, andBritish Airways from Ireland to the United Kingdom have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.2
Good
1,499 reviews
Check prices

Comfort

7.2

Boarding

7.4

Entertainment

7.0

Crew

8.1

Food

6.6

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Wendy,Mar 2026

YYZ - DUB

I didn’t happen, my seat was given away because even though my bag was checked through to Dublin apparently the previous airline didn’t check me in. Even when I asked specifically at check in they said I and my luggage we both checked all the way through.
Aer Lingus
7.2
Good
1,499 reviews
Aer Lingus
7.2
Good
1,499 reviews
Check prices

Comfort

7.2

Boarding

7.4

Entertainment

7.0

Crew

8.1

Food

6.6

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Wendy,Mar 2026

YYZ - DUB

I didn’t happen, my seat was given away because even though my bag was checked through to Dublin apparently the previous airline didn’t check me in. Even when I asked specifically at check in they said I and my luggage we both checked all the way through.
Ryanair
6.9
Okay
5,321 reviews
Aer Lingus
7.2
Good
1,499 reviews
Check prices

Comfort

7.2

Boarding

7.4

Entertainment

7.0

Crew

8.1

Food

6.6

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Wendy,Mar 2026

YYZ - DUB

I didn’t happen, my seat was given away because even though my bag was checked through to Dublin apparently the previous airline didn’t check me in. Even when I asked specifically at check in they said I and my luggage we both checked all the way through.
British Airways
6.7
Okay
7,861 reviews
Aer Lingus
7.2
Good
1,499 reviews
Check prices

Comfort

7.2

Boarding

7.4

Entertainment

7.0

Crew

8.1

Food

6.6

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Wendy,Mar 2026

YYZ - DUB

I didn’t happen, my seat was given away because even though my bag was checked through to Dublin apparently the previous airline didn’t check me in. Even when I asked specifically at check in they said I and my luggage we both checked all the way through.

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.

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

    For as low as £87, Ryanair can have you in United Kingdom from Ireland in 1h 15m. Airlines will cover a distance of 279 mi. All flights are typically direct.

  • 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 £12 on Ryanair. Other airlines that offer cheap prices include Ryanair from £13 and Aer Lingus from £20 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, May is the cheapest month in which you can book a flight from Ireland to United Kingdom (average of £14). Flying from Ireland to United Kingdom in January is currently the most expensive (average of £32). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ireland to United Kingdom

See prices for flight routes from nearby airports that may be better suited for you.
Charles de Gaulle to Gatwick flights
Charles de Gaulle to Luton flights
Duesseldorf Intl to Heathrow flights
Orly to Gatwick flights
Frederic Chopin to Heathrow flights
Charles de Gaulle to Edinburgh flights
Beauvais-Tille to Stansted flights
Charles de Gaulle to London City flights
Orly to London City flights
Charles de Gaulle to Heathrow flights
Beauvais-Tille to Luton flights
Stansted to Istanbul flights
Amsterdam to Gatwick flights
Frankfurt to Luton flights
Heathrow to Málaga flights
Beauvais-Tille to Gatwick flights
Heathrow to Faro flights
Heathrow to Athens flights
Luton to Lisbon flights
Gatwick to Amsterdam flights
Heathrow to Lisbon flights
Gatwick to Leonardo da Vinci/Fiumicino flights
Vienna to Gatwick flights
Frankfurt to Heathrow flights
Heathrow to Barcelona-El Prat flights
Gatwick to Lisbon flights
Vienna to Heathrow flights
Heathrow to Palma de Mallorca flights
Bruxelles-National to Gatwick flights
Bruxelles-National to Stansted flights
Vienna to London City flights
Gatwick to Barcelona-El Prat flights
Madrid to Heathrow flights
Bruxelles-National to Luton flights
Frederic Chopin to Stansted flights
Berlin to Gatwick flights
Orly to Heathrow flights
Luton to Barcelona-El Prat flights
Heathrow to Istanbul flights
Duesseldorf Intl to Stansted flights
Madrid to Gatwick flights
Luton to Amsterdam flights
Amsterdam to Stansted flights
Amsterdam to Luton flights
Stansted to Amsterdam flights
Heathrow to Leonardo da Vinci/Fiumicino flights
Gatwick to Athens flights
Stansted to Lisbon flights
Duesseldorf Intl to Luton flights
Gatwick to Madrid flights

Top 3 airlines flying from Ireland to United Kingdom

Discover the top 3 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 8 April 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£18Average£70FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Aer LingusCheapest£29Average£117FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£75Average£143FlexibilityNo 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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