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Cheap flights from London to Dublin from $39

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 26/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — DUB
17 May — 24 May1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to Dublin are usually found in January or September, booked 28 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap flight deals from London to Dublin

Enter your travel dates to find the best prices.

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 17 April 2026.

Mon 11/521:30
LGW
-
DUB
Nonstop1h 25m
Ryanair
Sun 24/506:45
DUB
-
LGW
Nonstop1h 30m
Ryanair
Deal found 15/4$68
Tue 28/408:50
LGW
-
DUB
Nonstop1h 25m
Ryanair
Sun 3/506:45
DUB
-
LGW
Nonstop1h 30m
Ryanair
Deal found 16/4$70
Fri 8/522:00
LGW
-
DUB
Nonstop1h 25m
Ryanair
Sat 9/517:25
DUB
-
LGW
Nonstop1h 30m
Ryanair
Deal found 16/4$71
Fri 8/522:00
LGW
-
DUB
Nonstop1h 25m
Ryanair
Mon 11/506:25
DUB
-
LGW
Nonstop1h 30m
Ryanair
Deal found 17/4$72
Mon 18/520:40
LGW
-
DUB
Nonstop1h 25m
Ryanair
Thu 21/506:25
DUB
-
LGW
Nonstop1h 30m
Ryanair
Deal found 13/4$74
Sat 16/520:20
LGW
-
DUB
Nonstop1h 25m
Ryanair
Sun 17/506:45
DUB
-
LGW
Nonstop1h 30m
Ryanair
Deal found 16/4$75
Fri 8/522:00
LGW
-
DUB
Nonstop1h 25m
Ryanair
Fri 22/506:50
DUB
-
LGW
Nonstop1h 30m
Ryanair
Deal found 17/4$77
Sun 17/508:55
LGW
-
DUB
Nonstop1h 25m
Ryanair
Thu 21/506:25
DUB
-
LGW
Nonstop1h 30m
Ryanair
Deal found 15/4$78
Thu 14/508:40
LGW
-
DUB
Nonstop1h 25m
Ryanair
Sun 17/506:45
DUB
-
LGW
Nonstop1h 30m
Ryanair
Deal found 16/4$79
Fri 15/522:00
LGW
-
DUB
Nonstop1h 25m
Ryanair
Fri 22/506:50
DUB
-
LGW
Nonstop1h 30m
Ryanair
Deal found 17/4$81
Mon 25/520:40
LGW
-
DUB
Nonstop1h 25m
Ryanair
Tue 26/506:25
DUB
-
LGW
Nonstop1h 30m
Ryanair
Deal found 15/4$82
Mon 27/706:20
LHR
-
DUB
Nonstop1h 25m
British Airways
Fri 31/720:10
DUB
-
LHR
Nonstop1h 15m
British Airways
Deal found 16/4$156

Find 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 17 April 2026.

Round-trip from

$68

One-way from

$39

Popular in

December

Cheapest in

January

Average price

$139

Good round-trip deal

$115 or less

Good one-way deal

$51 or less
Ryanair
  • Ryanair
  • 20/5-21/5
  • Nonstop
  • 2h 55m total
  • London to Dublin
Search Deals
Ryanair
  • Ryanair
  • 17/6
  • Nonstop
  • 1h 25m total
  • London to Dublin
Search Deals
High demand for flights, 5% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($7 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 London (LON) to Dublin.
Search Deals
Price to beat on a one-way flight from London (LON) to Dublin.
Search Deals

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 17 April 2026.
Use the filters below to find and compare flights from London to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Sat 2/5

21:30-22:55

Nonstop1h 25m

Dublin

Sun 3/5

07:55-09:25

Nonstop1h 30m

$70

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Fri 15/5

22:00-23:25

Nonstop1h 25m

Dublin

Fri 22/5

06:50-08:20

Nonstop1h 30m

$81

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Thu 4/6

21:30-22:55

Nonstop1h 25m

Dublin

Thu 11/6

06:25-07:55

Nonstop1h 30m

$82

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Mon 25/5

20:40-22:05

Nonstop1h 25m

Dublin

Tue 26/5

06:25-07:55

Nonstop1h 30m

$82

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Sat 23/5

20:20-21:45

Nonstop1h 25m

Dublin

Tue 26/5

07:40-09:10

Nonstop1h 30m

$91

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Fri 12/6

22:00-23:25

Nonstop1h 25m

Dublin

Sun 14/6

06:45-08:15

Nonstop1h 30m

$98

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Sat 2/5

18:45-20:10

Nonstop1h 25m

Dublin

Mon 4/5

06:25-07:55

Nonstop1h 30m

$107

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Wed 27/5

15:35-17:00

Nonstop1h 25m

Dublin

Sat 30/5

19:15-20:45

Nonstop1h 30m

$114

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Fri 29/5

22:00-23:25

Nonstop1h 25m

Dublin

Sun 31/5

06:45-08:15

Nonstop1h 30m

$123

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Fri 1/5

22:00-23:25

Nonstop1h 25m

Dublin

Sat 2/5

18:25-19:55

Nonstop1h 30m

$123

Flights are sorted by cheapest return flights first.

Deals found on 17/4

Showing 1-10 of 40 resultsSorted by cheapest first
1
2
3
4

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 10 April 2026.

Booking 28 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, January is the cheapest month in which you can book a flight from London to Dublin (average of $99). Flying from London to Dublin in March is currently the most expensive (average of $176). 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 17 April 2026.

Unlike in the evening, when flights are generally more expensive, you can save up to 44% on flights from London to Dublin by exploring options for tickets in the afternoon.

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 17 January 2026.

Travellers seeking maximum savings on their London to Dublin flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday 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 17 April 2026.

The most flights from LON to DUB are scheduled on a Friday (109 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (48 on average).

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

How often are flights from London to Dublin delayed?

About 18% of weekly flights between London and Dublin have experienced delays in the past year, with the average delay time being 104 minutes.

What is the most punctual flight time for London to Dublin 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?

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

Which airline has the best punctuality record on London to Dublin 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 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 17 April 2026.
Read reviews from past customers who have flown with Ryanair and British Airways 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.
Ryanair
6.9
Okay
5,337 reviews
Check prices

Comfort

6.5

Overall

6.9

Entertainment

5.6

Food

6.0

Crew

7.5

Boarding

6.7

Reviews

1 / 20
2.0
Mediocre

Nadia,Mar 2026

STN - TLL

Terrible they overbooked a didn't let 2 of our friends on, absolute shambles
Ryanair
6.9
Okay
5,337 reviews
Ryanair
6.9
Okay
5,337 reviews
Check prices

Comfort

6.5

Overall

6.9

Entertainment

5.6

Food

6.0

Crew

7.5

Boarding

6.7

Reviews

1 / 20
2.0
Mediocre

Nadia,Mar 2026

STN - TLL

Terrible they overbooked a didn't let 2 of our friends on, absolute shambles
British Airways
6.7
Okay
7,889 reviews
Ryanair
6.9
Okay
5,337 reviews
Check prices

Comfort

6.5

Overall

6.9

Entertainment

5.6

Food

6.0

Crew

7.5

Boarding

6.7

Reviews

1 / 20
2.0
Mediocre

Nadia,Mar 2026

STN - TLL

Terrible they overbooked a didn't let 2 of our friends on, absolute shambles

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 76 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.

  • How long is the flight from London to Dublin?

    Airlines like Ryanair and British Airways fly from London to Dublin in about 1h 25m. The time it takes to get you to your destination is usually consistent. London and Dublin are separated by a distance of 483 km. Most flights are nonstop.

  • 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 $51. Additional round-trip tickets that might be worth considering are offered by British Airways and Aer Lingus, with the lowest prices starting at $129 and $196, respectively. These flights start at 60% 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 $37. British Airways flights start at $92 while deals on Aer Lingus start at $122 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 (88%), Japan Airlines (86%), Kenya Airways( 86%).

  • What are the cheapest flights from London to Dublin?

    Looking for the cheapest flight from London to Dublin? While on average our users pay $228, our data indicates the cheapest price to be $92. The most popular route (London Gatwick - Dublin), is priced around $70.

  • 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, January is the cheapest month in which you can book a flight from London to Dublin (average of $99). Flying from London to Dublin in March is currently the most expensive (average of $176). 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 Dublin?

Book flights to Dublin if you plan to visit one of these locations
Cavan

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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 17 April 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest$51Average$111FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
British AirwaysCheapest$129Average$206FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest$196Average$279FlexibilityNo 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 London to Dublin?

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 Dublin from London today with Cheapflights!

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

Cheapflights helps you find that perfect flight to Dublin from London 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 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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