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Cheap flights from London to Dublin from $43

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 26/8. Fares are subject to change and may not be available on all flights or dates of travel.
LON — DUB
15 lug — 22 lug1
1 adult

Cheapflights Tip: The best prices from London to Dublin are usually found in September or January, booked 30 days in advance, depart on a Tuesday or Saturday and return on a Tuesday

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 luglio 2025.

Round-trip from

$69

One-way from

$43

Popular in

December

Cheapest in

September

Average price

$130

Good round-trip deal

$75 or less

Good one-way deal

$38 or less
Ryanair
  • Ryanair
  • 12/8-13/8
  • Nonstop
  • 2h 55m total
  • London to Dublin
Ryanair
  • Ryanair
  • 26/8
  • Nonstop
  • 1h 25m total
  • London to Dublin
Highest demand for flights based on searches. 10% potential increase in price ($22 potential increase over avg. return price).
Cheapest flight prices on average. 6% potential price decrease ($13 potential savings vs. average return price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from London (LON) to Dublin.
Price to beat on a one-way flight from London (LON) to Dublin.

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 luglio 2025.

mar 12/821:35LGW - DUB
Nonstop1h 25mRyanair
mer 13/806:50DUB - LGW
Nonstop1h 30mRyanair
Deal found 8/7$69
mar 12/806:20LHR - DUB
Nonstop1h 25mBritish Airways
mer 13/810:50DUB - LHR
Nonstop1h 40mBritish Airways
Deal found 8/7$161

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 luglio 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

mar 12/8

21:35-23:00

Nonstop1h 25m

Dublin

mer 13/8

06:50-08:20

Nonstop1h 30m

$69

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

mar 12/8

06:20-07:45

Nonstop1h 25m

Dublin

mer 13/8

10:50-12:30

Nonstop1h 40m

$161

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

mar 26/8

21:35-23:00

Nonstop1h 25m

$43

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

lun 15/9

06:20-07:45

Nonstop1h 25m

$98

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

mar 23/9

19:50-12:50

1 stop17h 00m

$113

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

mer 12/11

15:15-07:55

1 stop16h 40m

$127

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

mer 20/8

07:35-22:15

1 stop14h 40m

$153

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

dom 14/9

19:40-07:00

1 stop11h 20m

$156

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

mar 22/7

15:50-17:15

Nonstop1h 25m

$171

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

ven 29/8

07:00-19:30

1 stop12h 30m

$207

Flights are sorted by cheapest return flights first.

Deals found on 7/7

Showing 1-10 of 11 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 27 June 2025.

Booking 27 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 luglio 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 28% on flights from London to Dublin by exploring options for tickets in the morning.

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 6 July 2025.

Travellers seeking maximum savings on their London to Dublin flight should consider departing on Thursday at midday when fares are most often at their lowest. Sunday evenings 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 luglio 2025.

The most flights from LON to DUB are scheduled on a Wednesday (93 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (32 on average).

How much does it cost for a return flight from London to Dublin?

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 luglio 2025.
Read reviews from past customers who have flown with SWISS, Scandinavian Airlines, andVueling from London to Dublin. 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.

Overall

7.5

Boarding

7.6

Entertainment

6.8

Crew

8.2

Comfort

7.4

Food

7.1

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

Overall

7.5

Boarding

7.6

Entertainment

6.8

Crew

8.2

Comfort

7.4

Food

7.1

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

Overall

7.5

Boarding

7.6

Entertainment

6.8

Crew

8.2

Comfort

7.4

Food

7.1

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

Overall

7.5

Boarding

7.6

Entertainment

6.8

Crew

8.2

Comfort

7.4

Food

7.1

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

Overall

7.5

Boarding

7.6

Entertainment

6.8

Crew

8.2

Comfort

7.4

Food

7.1

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

Overall

7.5

Boarding

7.6

Entertainment

6.8

Crew

8.2

Comfort

7.4

Food

7.1

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

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 62 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 $69. Another option worth looking into is British Airways, starting at $161 round trip. These flights start at 48% 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 $43. British Airways flights start at $98 while deals on Vueling start at $113 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: Air Canada (100%), Aer Lingus (92%), British Airways( 92%).

  • What are the cheapest flights from London to Dublin?

    Looking for the cheapest flight from London to Dublin? While on average our users pay $195, our data indicates the cheapest price to be $119. The most popular route (London Heathrow - Dublin), is priced around $314.

  • 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.

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 luglio 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest$60Average$126FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
British AirwaysCheapest$107Average$168FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest$199Average$247FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

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How does Cheapflights help users find flights from London to Dublin?

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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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