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Cheap flights from Ireland to London from £22

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 14/4. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LON
30 Mar — 6 Apr1
1 adult

Cheap flight deals from Ireland to London

Keep the following information in mind while searching for Ireland to London flight deals. Data was last updated 25 March 2025.

Round-trip from

£32

One-way from

£22

Popular in

May

Cheapest in

January

Average price

£96

Good round-trip deal

£25 or less

Good one-way deal

£12 or less
Ryanair
  • Ryanair
  • 10/4-14/4
  • Nonstop
  • 2h 25m total
  • Ireland to London
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Ryanair
  • Ryanair
  • 14/4
  • Nonstop
  • 1h 10m total
  • Ireland to London
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£12 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Ireland to London (LON).
Search Deals
Price to beat on a one-way flight from Ireland to London (LON).
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Find flight deals from Ireland to London

Cheapest flights from Ireland to London
Explore the most affordable flight options available from Ireland to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 March 2025.

Sat 3/514:35DUB - LTN
Nonstop1h 10mRyanair
Sun 11/514:10LTN - DUB
Nonstop1h 15mRyanair
Deal found 24/3£48
Thu 8/506:30DUB - STN
Nonstop1h 20mRyanair
Thu 15/522:55STN - DUB
Nonstop1h 20mRyanair
Deal found 23/3£48
Thu 8/507:50DUB - LGW
Nonstop1h 30mRyanair
Thu 15/509:45LGW - DUB
Nonstop1h 25mRyanair
Deal found 23/3£48
Thu 22/518:00ORK - LGW
Nonstop1h 30mRyanair
Wed 28/512:30LGW - ORK
Nonstop1h 30mRyanair
Deal found 25/3£53
Thu 2/1020:15DUB - LHR
Nonstop1h 20mBritish Airways
Thu 9/1006:20LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 23/3£70
Wed 14/506:40DUB - STN
1 stop6h 35mMultiple Airlines
Thu 15/517:50STN - DUB
Nonstop1h 20mMultiple Airlines
Deal found 25/3£73
Sat 29/310:10DUB - LTN
1 stop7h 15mMultiple Airlines
Mon 31/321:55LTN - DUB
Nonstop1h 15mMultiple Airlines
Deal found 24/3£80
Mon 5/521:30DUB - LGW
1 stop25h 20mMultiple Airlines
Sun 18/508:55LGW - DUB
Nonstop1h 25mMultiple Airlines
Deal found 24/3£80
Mon 5/508:50DUB - LHR
Nonstop1h 30mAer Lingus
Mon 19/520:10LHR - DUB
Nonstop1h 20mAer Lingus
Deal found 24/3£84
Wed 28/520:30ORK - LHR
Nonstop1h 15mAer Lingus
Sat 31/522:25LHR - ORK
Nonstop1h 20mAer Lingus
Deal found 25/3£90
Fri 2/521:15SNN - LHR
Nonstop1h 25mAer Lingus
Tue 6/519:10LHR - SNN
Nonstop1h 25mAer Lingus
Deal found 24/3£90
Thu 22/518:00ORK - LGW
Nonstop1h 30mMultiple Airlines
Wed 28/520:10LGW - ORK
1 stop15h 15mMultiple Airlines
Deal found 25/3£97

Cheapflights Fare Finder

Customise your flight search to find flights from Ireland to London 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 25 March 2025.
Use the filters below to find and compare flights from Ireland to London that are best for you.

Fly from

Ireland

Fly to

London

Route

Depart

Return

Price

DublinLondon

DUB - LTN

DUBLTN

Dublin

Sun 20/4

08:20-09:30

Nonstop1h 10m

London Luton

Sun 27/4

09:55-11:10

Nonstop1h 15m

£44

DublinLondon

DUB - STN

DUBSTN

Dublin

Thu 1/5

19:35-20:55

Nonstop1h 20m

London Stansted

Thu 8/5

17:50-19:10

Nonstop1h 20m

£44

DublinLondon

DUB - STN

DUBSTN

Dublin

Mon 9/6

08:10-09:30

Nonstop1h 20m

London Stansted

Mon 16/6

22:00-23:20

Nonstop1h 20m

£45

DublinLondon

DUB - LGW

DUBLGW

Dublin

Thu 1/5

06:15-07:45

Nonstop1h 30m

London Gatwick

Thu 8/5

17:30-18:55

Nonstop1h 25m

£46

CorkLondon

ORK - LGW

ORKLGW

Cork

Thu 22/5

18:00-19:30

Nonstop1h 30m

London Gatwick

Wed 28/5

12:30-14:00

Nonstop1h 30m

£53

DublinLondon

DUB - LHR

DUBLHR

Dublin

Thu 15/5

18:20-19:40

Nonstop1h 20m

London Heathrow

Mon 19/5

06:20-07:45

Nonstop1h 25m

£71

DublinLondon

DUB - STN

DUBSTN

Dublin

Wed 14/5

06:40-13:15

1 stop6h 35m

London Stansted

Thu 15/5

17:50-19:10

Nonstop1h 20m

£73

DublinLondon

DUB - LGW

DUBLGW

Dublin

Mon 5/5

21:30-22:50

1 stop25h 20m

London Gatwick

Sun 18/5

08:55-10:20

Nonstop1h 25m

£80

DublinLondon

DUB - LHR

DUBLHR

Dublin

Mon 5/5

08:50-10:20

Nonstop1h 30m

London Heathrow

Mon 19/5

20:10-21:30

Nonstop1h 20m

£84

DublinLondon

DUB - LTN

DUBLTN

Dublin

Tue 22/4

21:00-22:55

1 stop25h 55m

London Luton

Tue 29/4

10:00-11:15

Nonstop1h 15m

£85

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Showing 1-10 of 60 results
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6

Best time to book a flight from Ireland to London

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

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

Currently, January is the cheapest month in which you can book a flight from Ireland to London (average of £112). Flying from Ireland to London 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 LON?

Find hourly flight availability from Ireland to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 25 March 2025.

One of the essential ways to save on airfare from Ireland to London is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 75% on airfare.

What is the cheapest day to fly from Ireland to London?

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

Travellers seeking maximum savings on their Ireland to London flight should consider departing on Friday evenings 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 Ireland to London

Explore weekly flight availability from Ireland to London. 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 25 March 2025.

The most flights from IE0 to LON are scheduled on a Monday (104 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (59 on average).

Rainfall in London by month

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

In terms of precipitation, rainfall in London 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 London when rainfall is around 40.0 mm.

Temperature in London by month

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

If weather is an important factor for your trip to London, 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 London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 25 March 2025.
Get a feel of what it's like to fly with Aegean Airlines, KLM and Norwegian from Ireland to London by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aegean Airlines
8.1
Very Good
729 reviews
Check prices

Food

7.3

Crew

8.6

Overall

8.1

Boarding

7.8

Comfort

7.8

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
729 reviews
Aegean Airlines
8.1
Very Good
729 reviews
Check prices

Food

7.3

Crew

8.6

Overall

8.1

Boarding

7.8

Comfort

7.8

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
1,318 reviews
Aegean Airlines
8.1
Very Good
729 reviews
Check prices

Food

7.3

Crew

8.6

Overall

8.1

Boarding

7.8

Comfort

7.8

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
221 reviews
Aegean Airlines
8.1
Very Good
729 reviews
Check prices

Food

7.3

Crew

8.6

Overall

8.1

Boarding

7.8

Comfort

7.8

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
7.5
Good
769 reviews
Aegean Airlines
8.1
Very Good
729 reviews
Check prices

Food

7.3

Crew

8.6

Overall

8.1

Boarding

7.8

Comfort

7.8

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
1,569 reviews
Aegean Airlines
8.1
Very Good
729 reviews
Check prices

Food

7.3

Crew

8.6

Overall

8.1

Boarding

7.8

Comfort

7.8

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 London. 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 London one-way?

    £22 is the cheapest one-way deal found within the past few days, from Ryanair. You may also be able to find cheap deals on British Airways and Ryanair, with prices starting from £28 and £32, respectively.

  • What are the most popular routes from Ireland to London?

    The most popular flight routes from Ireland to London are Dublin - London Heathrow, Dublin - London Gatwick and Dublin - London Stansted.

  • What are the most reliable airlines from Ireland to London?

    Consider Japan Airlines (84%), British Airways (83%) or Air Canada (83%) when booking your flight. These represent the most reliable airlines when flying from Ireland to London.

  • What are the cheapest flights from Ireland to London?

    The cheapest flight price from Ireland to London is £45. On average you can expect to pay £1,342. The most popular route, (Dublin - London Heathrow), can usually be booked for £71.

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

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

  • How can I find direct flights from Ireland to London?

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

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

    Yes. Cheapflights offers flight deals from Ireland to London 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 London?

    Currently, January is the cheapest month in which you can book a flight from Ireland to London (average of £112). Flying from Ireland to London 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

Travelling to a place near Ireland?

Book flights to Ireland if you plan to visit one of these locations
Hounslow
Deal
Milton Keynes
Gatwick
Croydon
Luton
Slough
Eastbourne
Wembley
Hayes
Ilford
Crawley
Southend-on-Sea
Winchester
Maidstone
Ipswich
Watford
Southall
Dartford
Folkestone

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ireland to London

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Ireland to London

Discover the top 3 airlines that operate flights from Ireland to London. 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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£27Average£78FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
British AirwaysCheapest£58Average£126FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest£74Average£128FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus 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 London?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to London from Ireland today with Cheapflights!

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

Cheapflights helps you find that perfect flight to London from Ireland by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ireland to London, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Ireland to London become cheaper?

Yes, Cheapflights offers price alerts on Ireland to London 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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