£31 Find Cheap Flights from Ireland to the United Kingdom

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KAYAK's insights & trends for flights to the United Kingdom

Get data-powered insights and trends for flights to the United Kingdom to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest flight to the United Kingdom?

These are the best return prices found by users searching on KAYAK in the last 72 hours.

The cheapest ticket to the United Kingdom from Ireland found in the last 72 hours was to London Gatwick Airport, at £13 return. The most popular route is Dublin (DUB) to London Gatwick Airport (LGW) and the cheapest return airline ticket found on this route in the last 72 hours was £13.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Ireland to the United Kingdom, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Ireland to the United Kingdom is March, when tickets cost £30 (return) on average. On the other hand, the most expensive months are August and April, when the average cost of round-trip tickets is £177 and £111 respectively.

How far in advance should I book a flight from Ireland to the United Kingdom?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights to the United Kingdom, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below-average price on the flight from Ireland to the United Kingdom, you should book around 5 weeks before departure. For the absolute cheapest price, our data suggests you should book 23 weeks before departure.

Which is the cheapest airport to fly into in the United Kingdom?

Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in the United Kingdom is Glasgow Intl Airport (GLA), with an average flight price of £15.


Good to know - Cheap tickets from Ireland to the United Kingdom

Low seasonJanuary
High seasonAugust
Cheapest flight£28
Best time to beat the crowds (4% less expensive on average)
Most popular time to fly (23% more expensive on average)
Flight from Dublin to Glasgow

FAQs for booking flights from Ireland to the United Kingdom

  • How does KAYAK find such low prices on flights from Ireland to the United Kingdom?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ireland to the United Kingdom.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ireland to the United Kingdom?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Ireland to the United Kingdom is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Ireland to the United Kingdom?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from Ireland to the United Kingdom with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ireland to the United Kingdom?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Ireland to the United Kingdom up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest day to fly to the United Kingdom?

    Based on KAYAK data, the cheapest day to fly to the United Kingdom is Friday when return tickets can be as cheap as £189. On the other hand, the most expensive day to fly is Monday, when return prices are £331 on average.

  • What is the cheapest time of day to fly to the United Kingdom?

    The cheapest time of day to fly to the United Kingdom is generally at night, when round-trip flights cost £155 on average. Morning departures are around 14% cheaper than evening flights, on average. The most expensive time of day to fly to the United Kingdom is generally in the evening, which is peak travel time and where the average cost of a ticket is £666.

Top 4 airlines serving from Ireland to the United Kingdom

 
Need help choosing which airline to fly with from Ireland to the United Kingdom? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.1
Aer LingusOverall score based on 1117 reviews
6.8Entertainment
7.9Crew
7.0Comfort
7.2Boarding
6.4Food
Airline reviews

I would definitely use a Linus again, the price was right, the service is excellent. No delays. Wish I had a direct flight from my hometown Detroit.

10.0 ExcellentAnonymous, Jun 2025MAN - MCO
Read more Aer Lingus reviews

I would definitely use a Linus again, the price was right, the service is excellent. No delays. Wish I had a direct flight from my hometown Detroit.

At check-in the unmanned machines said QR code was invalid so had to queue for over an hour to check in bags

i used to fly aer Lingus regularly but due to price - poor seating etc i have been using other carriers - i now have aer lingus in my state and the price is always the highest - i have flown to Ireland 11 times in last 24 months and have not used Hartford because of price

Nicest staff I’ve experienced on a plane! Good food, great entertainment, and they gave out little blankets that my kids loved. All in all, great experience.

I dont fly them much anymore. Other carries offere better pricing and better seating options

This flight was of exactly the same high standard as the outbound leg, exactly a week earlier - except that we didn't have any food or drink because it departed at around midnight.

The Glasgow to Dublin route was very efficiently boarded, flight and landing and disembarkation were all super smooth. Dublin to JFK flight I was very pleasantly surprised overall. This was my first time on Aer Lingus and having already come off the short regional flight I was curious to know how the international flight would go. Aircraft was solid, entertainment options were better than expected, flight crew were experienced and operated like clockwork. Main entree left a little something to be desired but the snack was very tasty. Boarding and disembarkation again very smooth and pilots got us in earlier than expected. Would definitely fly again

Unfortunately the flight was delayed for 50 min. Just as we were about to board so that was a drag. The boarding was average. The bag check in process was new to us and efficient. And the flight itself was smooth- basically no turbulence.

I liked how they looked after couples by providing a row of 4 seats if available.

It was ok not that much because I always travel with Emirates airlines, Etihad, airlines, Qatar airlines compare to them food and comfortable was too low . Staff was good . Helpful

Flight was over an hour late. Boarding was really messy with long queues at the plane.

Cabin crew couldn’t be less interested. Cabin manager was the most arrogant and the rudest I’ve encountered in many years.

Good but both flights were delayed by nearly one hour making boarding tedious. We had to wait with no information

The worst flight ever. Sitting in plane for 4 hours delay and then they change crew. No water or food offered to any passengers including children in that time. Only 2 toilets out of 3 operating for flight with 200 passengers. Only enough food available for about 7 rows of seats depending where you sat you might be lucky. Cabin crew very unfriendly.

Unnecessarily delayed and remarkably inefficient boarding contributed to a significantly delayed departure. Seats/legroom astonishingly uncomfortable even by Ryanair standards (minimal legroom plus reinforced plastic seat backs ensure you get punched hard in the knees every time the person in front moves, and as a 6-foot passenger I had nowhere else to put my legs. Upon late arrival at the gate in Luton we were kept waiting another 20 minutes before being allowed off the plane. Both Easyjet and Wizzair are currently a better bet.

Awful as usual the air stewardess loved her own voice and would not stop talking on coms for 2hrs please please please shut up I can’t hear my headphones and don’t want to buy juty free

Big delay on run way not much explanation why, missed a important meeting in Dublin, maybe if they did nt persist measuring everyone bag over 2 cm we would have got off on time.

The lady at the boarding gate was so rude. She was challenging people being in priority and looking them up and down as if they weren’t dressed for first class. This was Ryan air priority. We all sit in the same seats. She loudly called out to embarrass a man who she believed had cheated and got in the priority line. He had a valid priority ticket and even worked for Ryanair. Also challenging visas insisting people download them until they proved on the government website it wasn’t required to print. The Ryanair employee who was challenged said she is always like this. She also pulled people from regular boarding as they were fashionably dressed and upgraded them to priority and changed their seats. That was comical. I think she felt she should be working for Emirates first class, although they would t have stood for her rude behaviour

On time boarding, on time departure and early arrival. As it should be. Yes, the comfort and benefits are very poor, but therefore the ticket is 6 times cheaper than with a flag carrier. So I am not complaining about it. You get what you pay for.

The punctuality of f the flight was super: we left on time and arrived about 20 minutes early - and the cabin crew were both friendly and efficient. The only downside was that Ryanair appears to have resumes its old obsession with sizing cabin bags again after a long and welcome absence.

The payment system was not working so was unable to connect wifi the entire flight

I didn’t have food and they don’t include entertainment. Not much leg room at all. Staff were great.

The boarding call announcements versus the Staff announcements versus the digital signage board on the out-going and returning flights WERE NOT IN SYNC. I was sent through check and re-checks 3 times. WHY?

Absolutely the worst airline. Can’t find anything positive to say. We were in business which is the same as most airlines coach

everything to do with KAYAK was terrible. Your customer facing departments are utterly useless, timewasting and unhelpful.

I ordered short ribs for main course. It tasted sweet, really sweet. Horrible.

When checking our bags we were told our bags would go through our final destination. This did not happen. When boarding, after group 3 it was a free for all, everyone boards. When served lunch, I asked for anything without dairy, I was given popcorn and gummy snacks. She said she would come back with more options, she never did. Also, when traveling through London, they don’t tell you your gate number until 1 hour before flight leaves, causing everyone to run to their gate.

When Stephen arrived with our wheel chairs - we were in excellent hands! He was such great help with getting our rental car and then reporting our missing luggage. When you are exhausted from traveling for too many hours, he was just what we needed to navigate everything! Give that guy a raise!

Full flight, but crew was great. No wifi and no seatback entertainment, so had to read...argh!

The screen didn’t work and I didn’t get the seat upgrade I paid $300 for. They were no help with that,

Gate is far at Leeds Bradford Airport. However, as the flight was less than half full, it was calm and not stressful. Great take off and landing. Friendly staff

Boarding was started early and we were lined up in. A glass tunnel on the tarmac we were left standing there for an hour with no information the flight left and arrived 30 mins late

It was great. We arrived a few minutes late but the crew were concert and kind about it. It was a nice smooth fly thanks be to Jesus. I prayed for smooth flight and Yahuwah answered my prayer.

Need more check in desks at Marrakech. Even if you are travelling with hand luggage only, you still need to 'check in' to get the old style boarding pass. Unfortunately they haven't thought to separate out the people checking in luggage to a separate desk. Flight was delayed leaving but arrived on time. Limited food options on board and very overpriced.

We bought tickets for £30 from kayak but we paid £55 for check in to rayan , they slaught us

Flight was delayed so long we missed our second flight. Entire trip had to be cancelled. Ryanair refused to help us.

Stanton airport is outdated, pure equiped, airport. Fire alarms, power outages is a common routine, wich result ir flights delay , additional money spending and huge gathering of people in airport wich is unsafe.

After you made us check-in I tried to add a suitcase in the internet and also to get help by chet. Nothing work and we pay 60 pounds at Airport. Comper to Easyjet to do the same, was easy and customer friendly.

Boarding was like being hoarded like cattle, all penned in in an area way to small

I missed the flight from Manchester to Dublin because of poor informations from Aer Lingus and the airport, no possibility to check in online, they don't respond to phone calls, I had to buy another tickets to enable me travel to Dublin from Manchester. I want my money to refund.

Book cheap flights from Ireland to the United Kingdom

Cheapest flights to the United Kingdom from Ireland found in 2025

Recent return flight deals

26/7Sat
directRyanair
1h 05mDUB-BHX
2/8Sat
directRyanair
1h 05mBHX-DUB
£31
27/7Sun
directRyanair
0h 55mDUB-LPL
23/8Sat
directRyanair
0h 55mLPL-DUB
£31
24/6Tue
directAer Lingus
1h 15mDUB-BHX
25/6Wed
directAer Lingus
1h 00mBHX-DUB
£45
11/7Fri
directAer Lingus
1h 10mDUB-BHX
14/7Mon
directAer Lingus
1h 20mBHX-DUB
£46
29/10Wed
direct
1h 20mDUB-LBA
5/11Wed
direct
1h 00mLBA-DUB
£57
29/10Wed
direct
1h 20mDUB-LBA
2/11Sun
direct
1h 00mLBA-DUB
£60
28/8Thu
directBritish Airways
1h 35mDUB-LHR
2/9Tue
directBritish Airways
1h 25mLHR-DUB
£73
17/9Wed
directBritish Airways
1h 40mDUB-LHR
20/9Sat
directBritish Airways
1h 25mLHR-DUB
£74
9/7Wed
1 stopKLM
4h 55mDUB-LHR
29/7Tue
1 stopKLM
3h 55mLHR-DUB
£142
6/12Sat
1 stopKLM
4h 35mDUB-LBA
9/12Tue
1 stopKLM
10h 30mLBA-DUB
£154

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Recent one-way flight deals

18/7Fri
directAer Lingus
1h 20mDUB-GLA
£28
3/12Wed
directBritish Airways
1h 20mDUB-LHR
£29
4/7Fri
directRyanair
1h 05mDUB-BHX
£30
29/7Tue
directBritish Airways
1h 35mDUB-LHR
£30
11/7Fri
directRyanair
1h 05mDUB-BHX
£32
5/9Fri
directAer Lingus
1h 40mDUB-SOU
£32
6/11Thu
1 stopScandinavian Airlines
10h 20mDUB-LHR
£58
17/7Thu
1 stopVueling
5h 55mDUB-LHR
£63
12/8Tue
1 stopScandinavian Airlines
12h 40mDUB-LHR
£65
28/7Mon
1 stopVueling
11h 35mDUB-LHR
£66

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Last minute flights to the United Kingdom

Last minute flight, train and bus deals

14/6Sat
directRyanair
1h 05mDUB-BHX
16/6Mon
directRyanair
1h 05mBHX-DUB
£59
13/6Fri
directRyanair
1h 00mDUB-MAN
16/6Mon
directRyanair
0h 55mMAN-DUB
£60
16/6Mon
directAer Lingus
1h 20mDUB-GLA
24/6Tue
directAer Lingus
1h 20mGLA-DUB
£60
16/6Mon
directAer Lingus
1h 05mDUB-LBA
18/6Wed
directAer Lingus
1h 05mLBA-DUB
£65
13/6Fri
direct
1h 10mDUB-BHX
15/6Sun
direct
1h 05mBHX-DUB
£67
13/6Fri
direct
1h 10mDUB-BHX
16/6Mon
direct
1h 05mBHX-DUB
£68
17/6Tue
directBritish Airways
1h 30mDUB-LHR
25/6Wed
directBritish Airways
1h 30mLHR-DUB
£135
17/6Tue
directBritish Airways
1h 30mDUB-LHR
16/7Wed
directBritish Airways
1h 25mLHR-DUB
£138
13/6Fri
multi-stopSWISS
4h 50mDUB-LHR
17/6Tue
multi-stopSWISS
11h 50mLHR-DUB
£208
14/6Sat
multi-stopSWISS
13h 15mDUB-LHR
24/6Tue
multi-stopSWISS
11h 50mLHR-DUB
£213

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Everything you need to know for your flight to the United Kingdom

Cabin class types available on flights to the United Kingdom

Cabin classes available on flights to the United Kingdom. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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