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Cheap flights from London to Dublin from $40

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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — DUB
15 Apr — 22 Apr1
1 adult

Cheapflights Tip: The best prices from London to Dublin are usually found in January or September, booked 50 days in advance, depart on a Wednesday or Thursday and return on a Friday

Cheap flight deals from London to Dublin

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Dublin (DUB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 10 April 2025.

Round-trip from

$65

One-way from

$40

Popular in

December

Cheapest in

January

Average price

$146

Good round-trip deal

$59 or less

Good one-way deal

$52 or less
Ryanair
  • Ryanair
  • 7/5-7/5
  • Nonstop
  • 2h 55m total
  • London to Dublin
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Ryanair
  • Ryanair
  • 10/5
  • Nonstop
  • 1h 25m total
  • London to Dublin
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Highest demand for flights based on searches. 6% potential increase in price ($17 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease ($13 potential savings vs. average return price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from London (LON) to Dublin.
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Price to beat on a one-way flight from London (LON) to Dublin.
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Find flight deals from London to Dublin

Cheapest flights from London to Dublin
Explore the most affordable flight options available from London to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 April 2025.

Wed 7/513:05LGW - DUB
Nonstop1h 25mRyanair
Wed 7/519:45DUB - LGW
Nonstop1h 30mRyanair
Deal found 9/4$65
Sat 10/506:15LHR - DUB
Nonstop1h 25mBritish Airways
Thu 22/508:35DUB - LHR
Nonstop1h 35mBritish Airways
Deal found 9/4$147
Sun 11/508:55LGW - DUB
Nonstop1h 25mMultiple Airlines
Tue 20/519:30DUB - LGW
1 stop11h 30mMultiple Airlines
Deal found 9/4$215
Thu 15/519:40LGW - DUB
1 stop11h 45mVueling
Tue 20/519:30DUB - LGW
1 stop11h 30mVueling
Deal found 9/4$257
Thu 24/407:40LHR - DUB
Nonstop1h 20mAer Lingus
Sun 27/406:30DUB - LHR
Nonstop1h 30mAer Lingus
Deal found 9/4$272
Sat 10/521:55LHR - DUB
1 stop11h 40mMultiple Airlines
Thu 22/508:35DUB - LHR
Nonstop1h 35mMultiple Airlines
Deal found 9/4$275
Thu 8/515:05LHR - DUB
1 stop16h 20mVueling
Thu 15/508:20DUB - LHR
1 stop5h 55mVueling
Deal found 10/4$285
Fri 12/919:30LHR - DUB
1 stop13h 55mScandinavian Airlines
Fri 19/912:40DUB - LHR
1 stop5h 50mScandinavian Airlines
Deal found 9/4$328
Wed 7/508:40LHR - DUB
1 stop3h 55mKLM
Thu 15/505:55DUB - LHR
1 stop4h 50mKLM
Deal found 9/4$334
Wed 21/520:05LHR - DUB
1 stop11h 50mSWISS
Thu 29/518:40DUB - LHR
1 stop13h 15mSWISS
Deal found 9/4$384
Fri 11/706:55LHR - DUB
1 stop12h 20mLufthansa
Tue 22/709:00DUB - LHR
1 stop9h 40mLufthansa
Deal found 9/4$412
Wed 7/518:35LGW - DUB
1 stop17h 35mSWISS
Thu 15/508:40DUB - LGW
1 stop9h 15mSWISS
Deal found 9/4$416

Cheapflights Fare Finder

Customise your flight search to find flights from London to Dublin 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 647,157 searches. Data last updated 10 April 2025.
Use the filters below to find and compare flights from London to Dublin that are best for you.

Fly from

London

Fly to

Dublin

Route

Depart

Return

Price

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Wed 7/5

13:05-14:30

Nonstop1h 25m

Dublin

Wed 7/5

19:45-21:15

Nonstop1h 30m

$65

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Sat 10/5

06:15-07:40

Nonstop1h 25m

Dublin

Thu 22/5

08:35-10:10

Nonstop1h 35m

$147

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Wed 7/5

13:05-14:30

Nonstop1h 25m

Dublin

Wed 7/5

21:55-07:35

1 stop9h 40m

$205

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Fri 16/5

06:45-13:05

1 stop6h 20m

Dublin

Mon 19/5

20:55-22:15

Nonstop1h 20m

$255

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Thu 15/5

19:40-07:25

1 stop11h 45m

Dublin

Tue 20/5

19:30-07:00

1 stop11h 30m

$257

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Thu 24/4

07:40-09:00

Nonstop1h 20m

Dublin

Sun 27/4

06:30-08:00

Nonstop1h 30m

$272

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Thu 8/5

15:05-07:25

1 stop16h 20m

Dublin

Thu 15/5

08:20-14:15

1 stop5h 55m

$285

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Fri 12/9

19:30-09:25

1 stop13h 55m

Dublin

Fri 19/9

12:40-18:30

1 stop5h 50m

$328

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Wed 7/5

08:40-12:35

1 stop3h 55m

Dublin

Thu 15/5

05:55-10:45

1 stop4h 50m

$334

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Wed 21/5

20:05-07:55

1 stop11h 50m

Dublin

Thu 29/5

18:40-07:55

1 stop13h 15m

$384

Flights are sorted by cheapest return flights first.

Deals found on 9/4

Showing 1-10 of 32 results
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Best time to book a flight from London to Dublin

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

How far ahead should I book a flight from London to Dublin?

Use this chart to determine the optimal time to book a return flight from London to Dublin. Price data was last updated on 4 April 2025.

Booking 50 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Dublin. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, February is the cheapest month in which you can book a flight from London to Dublin (average of $1,200). Flying from London to Dublin in December is currently the most expensive (average of $1,912). 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 LON to DUB?

Find hourly flight availability from London to Dublin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 10 April 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 24% on flights from London to Dublin by exploring options for tickets in the evening.

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

Use this chart to determine the cheapest time to fly return from London to Dublin. Price data was last updated on 30 March 2025.

Travellers seeking maximum savings on their London to Dublin flight should consider departing on Wednesday evenings when fares are most often at their lowest. Friday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from London to Dublin

Explore weekly flight availability from London to Dublin. 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 10 April 2025.

The most flights from LON to DUB are scheduled on a Wednesday (102 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (29 on average).

Rainfall in Dublin by month

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

In terms of precipitation, rainfall in Dublin ranges from 49.0 - 79.0 inches per month. October is typically the wettest month, when rainfall can reach 79.0 mm. February is typically the driest time to visit Dublin when rainfall is around 49.0 mm.

Temperature in Dublin by month

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

If weather is an important factor for your trip to Dublin, 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 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Dublin

Get insights into the airlines that provide service to Dublin. 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 Dublin. Reviews last updated 10 April 2025.
Read through reviews of airlines operating flights from London to Dublin, such as KLM, airBaltic and Norwegian. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,321 reviews
Check prices

Food

7.3

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Overall

7.8

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,321 reviews
KLM
7.8
Good
1,321 reviews
Check prices

Food

7.3

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Overall

7.8

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
airBaltic
7.8
Good
178 reviews
KLM
7.8
Good
1,321 reviews
Check prices

Food

7.3

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Overall

7.8

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Norwegian
7.8
Good
225 reviews
KLM
7.8
Good
1,321 reviews
Check prices

Food

7.3

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Overall

7.8

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Austrian Airlines
7.6
Good
774 reviews
KLM
7.8
Good
1,321 reviews
Check prices

Food

7.3

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Overall

7.8

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
SWISS
7.5
Good
1,574 reviews
KLM
7.8
Good
1,321 reviews
Check prices

Food

7.3

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Overall

7.8

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

Related info for your journey

Find useful and relevant information for your journey from London to Dublin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Dublin from London?

    Dublin (DUB) is the airport you will fly into if you book a flight from London to Dublin. You should not have trouble finding flights to Dublin from London; the airport handles an average of 70 inbound flights from London per day. You should also have plenty of airline options to choose from since 3 airlines have flights to the Dublin airport from London. It is only a 9.2 km journey from Dublin (DUB) to Dublin’s city centre.

  • What are the cheapest airlines flying from London to Dublin round-trip?

    Flying on Ryanair is currently your cheapest option to Dublin, with prices starting at $65. Additional round-trip tickets that might be worth considering are offered by British Airways and Vueling, with the lowest prices starting at $147 and $257, respectively. These flights start at 56% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from London to Dublin one-way?

    To fly one-way, consider booking your trip with Ryanair, which is currently one of the cheapest options available, starting at $40. British Airways flights start at $96 while deals on Vueling start at $123 one-way.

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

    Before booking your flight to Dublin from London, have a look at the most reliable airlines to get you to your destination on time: Kenya Airways (89%), Japan Airlines (84%), Qatar Airways( 82%).

  • What are the cheapest flights from London to Dublin?

    Looking for the cheapest flight from London to Dublin? While on average our users pay $222, our data indicates the cheapest price to be $98. The most popular route (London Heathrow - Dublin), is priced around $339.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from London to Dublin (average of $1,200). Flying from London to Dublin in December is currently the most expensive (average of $1,912). 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 London to Dublin

See prices for flight routes from nearby airports that may be better suited for you.
Manchester to Dublin flights
Edinburgh to Dublin flights
Heathrow to Dublin flights
Gatwick to Dublin flights

Top 3 airlines flying from London to Dublin

Discover the top 3 airlines that operate flights from London to Dublin. 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 647,157 searches. Data last updated 10 April 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest$60Average$111FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
British AirwaysCheapest$109Average$214FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest$215Average$274FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

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

Need flexible booking options for your flight to Dublin from London? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights offers price alerts on London to Dublin 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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