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Cheap flights from London to Dublin from C$ 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 20/3. Fares are subject to change and may not be available on all flights or dates of travel.
LON — DUB
13 Feb — 20 Feb1
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 Thursday or Monday 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 14 January 2026.

Round-trip from

C$ 82

One-way from

C$ 40

Popular in

December

Cheapest in

January

Average price

C$ 89

Good round-trip deal

C$ 639 or less

Good one-way deal

C$ 535 or less
Ryanair
  • Ryanair
  • 16/4-27/4
  • Nonstop
  • 2h 55m total
  • London to Dublin
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Ryanair
  • Ryanair
  • 20/3
  • Nonstop
  • 1h 25m total
  • London to Dublin
Search Deals
High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 4% potential price decrease (C$ 8 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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

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 14 January 2026.

Thu 16/46:25 p.m.
LGW
-
DUB
Nonstop1h 25m
Ryanair
Mon 27/47:25 a.m.
DUB
-
LGW
Nonstop1h 30m
Ryanair
Deal found 14/1C$ 82
Wed 11/25:40 p.m.
LGW
-
DUB
Nonstop1h 25m
Ryanair
Wed 18/26:55 a.m.
DUB
-
LGW
Nonstop1h 25m
Ryanair
Deal found 12/1C$ 100
Fri 27/38:10 p.m.
LGW
-
DUB
Nonstop1h 25m
Ryanair
Sun 29/37:55 a.m.
DUB
-
LGW
Nonstop1h 30m
Ryanair
Deal found 13/1C$ 104
Tue 9/67:55 p.m.
LGW
-
DUB
Nonstop1h 25m
Ryanair
Thu 11/66:25 a.m.
DUB
-
LGW
Nonstop1h 30m
Ryanair
Deal found 14/1C$ 107
Thu 26/26:30 a.m.
LHR
-
DUB
Nonstop1h 25m
British Airways
Mon 2/38:40 p.m.
DUB
-
LHR
Nonstop1h 20m
British Airways
Deal found 13/1C$ 135
Sat 21/26:30 a.m.
LHR
-
DUB
Nonstop1h 25m
British Airways
Mon 23/28:40 p.m.
DUB
-
LHR
Nonstop1h 20m
British Airways
Deal found 12/1C$ 136
Sat 21/26:30 a.m.
LHR
-
DUB
Nonstop1h 25m
British Airways
Sat 28/28:40 p.m.
DUB
-
LHR
Nonstop1h 20m
British Airways
Deal found 13/1C$ 137
Tue 24/36:15 p.m.
LHR
-
DUB
Nonstop1h 25m
British Airways
Fri 27/38:35 p.m.
DUB
-
LHR
Nonstop1h 20m
British Airways
Deal found 14/1C$ 142
Sun 8/36:20 p.m.
LHR
-
DUB
Nonstop1h 25m
British Airways
Mon 9/38:50 a.m.
DUB
-
LHR
Nonstop1h 35m
British Airways
Deal found 12/1C$ 143
Tue 14/45:10 p.m.
LHR
-
DUB
Nonstop1h 30m
British Airways
Tue 21/48:25 p.m.
DUB
-
LHR
Nonstop1h 15m
British Airways
Deal found 11/1C$ 144
Tue 27/19:40 p.m.
LGW
-
DUB
Nonstop1h 25m
Ryanair
Fri 30/17:05 a.m.
DUB
-
LGW
Nonstop1h 25m
Ryanair
Deal found 13/1C$ 146
Wed 11/36:15 p.m.
LHR
-
DUB
Nonstop1h 25m
British Airways
Fri 13/38:35 p.m.
DUB
-
LHR
Nonstop1h 20m
British Airways
Deal found 14/1C$ 146

Cheapflights Fare Finder

 
Customize 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 629,999 searches. Data last updated 14 January 2026.
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

Thu 16/4

6:25 p.m.-7:50 p.m.

Nonstop1h 25m

Dublin

Mon 27/4

7:25 a.m.-8:55 a.m.

Nonstop1h 30m

C$ 82

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Tue 9/6

7:55 p.m.-9:20 p.m.

Nonstop1h 25m

Dublin

Thu 11/6

6:25 a.m.-7:55 a.m.

Nonstop1h 30m

C$ 107

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Thu 26/2

6:30 a.m.-7:55 a.m.

Nonstop1h 25m

Dublin

Mon 2/3

8:40 p.m.-10:00 p.m.

Nonstop1h 20m

C$ 135

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Sat 21/2

6:30 a.m.-7:55 a.m.

Nonstop1h 25m

Dublin

Sat 28/2

8:40 p.m.-10:00 p.m.

Nonstop1h 20m

C$ 136

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Sat 21/2

6:30 a.m.-7:55 a.m.

Nonstop1h 25m

Dublin

Wed 25/2

3:10 p.m.-4:35 p.m.

Nonstop1h 25m

C$ 136

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Tue 27/1

9:40 p.m.-11:05 p.m.

Nonstop1h 25m

Dublin

Fri 30/1

7:05 a.m.-8:30 a.m.

Nonstop1h 25m

C$ 146

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Fri 8/5

6:20 a.m.-7:45 a.m.

Nonstop1h 25m

Dublin

Mon 11/5

8:30 p.m.-9:45 p.m.

Nonstop1h 15m

C$ 149

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Fri 19/6

6:20 a.m.-7:45 a.m.

Nonstop1h 25m

Dublin

Fri 19/6

8:10 p.m.-9:25 p.m.

Nonstop1h 15m

C$ 150

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Tue 24/2

6:30 a.m.-7:55 a.m.

Nonstop1h 25m

Dublin

Tue 24/2

6:00 p.m.-7:20 p.m.

Nonstop1h 20m

C$ 151

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Wed 11/3

3:30 p.m.-5:00 p.m.

Nonstop1h 30m

Dublin

Fri 13/3

8:35 p.m.-9:55 p.m.

Nonstop1h 20m

C$ 151

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/1

Showing 1-10 of 37 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 round-trip 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 round-trip flight from London to Dublin. Price data was last updated on 9 January 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 C$ 47). Flying from London to Dublin in December is currently the most expensive (average of C$ 75). 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 14 January 2026.

It’s optimal to fly from London to Dublin in the evening. By choosing this option you can save up to 69% on the cost of your flight, compared to a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from London to Dublin. Price data was last updated on 5 May 2025.

Travelers seeking maximum savings on their London to Dublin flight should consider departing on Wednesday at noon when fares are most often at their lowest. Friday at noon 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 14 January 2026.

The most flights from LON to DUB are scheduled on a Monday (102 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (33 on average).

How much does it cost to fly round-trip from London to Dublin?

How often are flights from London to Dublin delayed?

About 19% of weekly flights between London and Dublin have experienced delays in the past year, with the average delay time being 102 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 Sunday 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 has 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 14 January 2026.
Get a feel of what it's like to fly with Ryanair and British Airways from London to Dublin by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Ryanair
6.9
Okay
5,242 reviews
Check prices

Boarding

6.7

Overall

6.9

Food

6.0

Entertainment

5.6

Comfort

6.5

Crew

7.5

Reviews

1 / 20
10.0
Excellent

phil,Mar 2025

STN - FAO

Cheap flights left and arrived on time!!! Train companies take note!!!
Ryanair
6.9
Okay
5,242 reviews
Ryanair
6.9
Okay
5,242 reviews
Check prices

Boarding

6.7

Overall

6.9

Food

6.0

Entertainment

5.6

Comfort

6.5

Crew

7.5

Reviews

1 / 20
10.0
Excellent

phil,Mar 2025

STN - FAO

Cheap flights left and arrived on time!!! Train companies take note!!!
British Airways
6.7
Okay
7,671 reviews
Ryanair
6.9
Okay
5,242 reviews
Check prices

Boarding

6.7

Overall

6.9

Food

6.0

Entertainment

5.6

Comfort

6.5

Crew

7.5

Reviews

1 / 20
10.0
Excellent

phil,Mar 2025

STN - FAO

Cheap flights left and arrived on time!!! Train companies take note!!!

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?

    For a flight from London to Dublin, you will be flying into Dublin. Dublin (DUB) is just 9.2 km from the centre of the city. Dublin is the only Dublin airport and it handles 63 inbound flights from London per day. 3 airlines have flights to Dublin from London on a regular basis.

  • How long is the flight from London to Dublin?

    For as low as C$ 82, Ryanair can have you in Dublin from London in 1h 25m. The distance between London and Dublin is about 483 km. Both multi-stop and direct flights can be found to your destination and back.

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

    Cheapflights users have booked flights from London to Dublin round-trip from C$ 50. Other airlines that can offer you cheap pricing are British Airways, from C$ 138, and Aer Lingus, from C$ 211. You may be able to fly from London to Dublin for 58% less than the average price by searching for these airlines.

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

    The cheapest airline one-way is Ryanair, with whom users have recently found tickets for as low as C$ 27. However, be on the lookout for offers from British Airways and Aer Lingus, as they are both options that can get you from London to Dublin for a low price.

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

    Consider LATAM Airlines (87%), Japan Airlines (86%) or Kenya Airways (86%) when booking your flight. These represent the most reliable airlines when flying from London to Dublin.

  • What are the cheapest flights from London to Dublin?

    Looking at all options, your cheapest flight can be booked for C$ 161. While the most popular route (London Gatwick - Dublin) can be booked for C$ 68 on average, our data indicates C$ 606 when flying from London to Dublin.

  • 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 vacation 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 C$ 47). Flying from London to Dublin in December is currently the most expensive (average of C$ 75). 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

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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
Gatwick to Dublin flights
Edinburgh to Dublin flights
Heathrow 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 629,999 searches. Data last updated 14 January 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapestC$ 50AverageC$ 129FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
British AirwaysCheapestC$ 138AverageC$ 193FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapestC$ 211AverageC$ 266FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers 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?

When you search for this flight from London to Dublin, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London to Dublin for you. Better yet — we are completely free to use.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from London to Dublin flexibly with Cheapflights today.

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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