Find flights
Deals
When to book
Airlines
FAQs

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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — DUB
24 Apr — 1 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 Thursday or Monday and return on a Tuesday

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 25 March 2026.

Tue 12/58:35 p.m.
LGW
-
DUB
Nonstop1h 25m
Ryanair
Thu 14/56:25 a.m.
DUB
-
LGW
Nonstop1h 30m
Ryanair
Deal found 23/3C$ 69
Wed 13/58:50 a.m.
LGW
-
DUB
Nonstop1h 25m
Ryanair
Thu 14/56:25 a.m.
DUB
-
LGW
Nonstop1h 30m
Ryanair
Deal found 23/3C$ 70
Tue 12/58:35 p.m.
LGW
-
DUB
Nonstop1h 25m
Ryanair
Sat 16/56:25 p.m.
DUB
-
LGW
Nonstop1h 30m
Ryanair
Deal found 23/3C$ 74
Fri 24/410:00 p.m.
LGW
-
DUB
Nonstop1h 25m
Ryanair
Sun 26/47:55 a.m.
DUB
-
LGW
Nonstop1h 30m
Ryanair
Deal found 23/3C$ 76
Mon 11/58:40 p.m.
LGW
-
DUB
Nonstop1h 25m
Ryanair
Sat 16/57:15 p.m.
DUB
-
LGW
Nonstop1h 30m
Ryanair
Deal found 23/3C$ 81
Tue 12/58:35 p.m.
LGW
-
DUB
Nonstop1h 25m
Ryanair
Fri 15/59:35 a.m.
DUB
-
LGW
Nonstop1h 30m
Ryanair
Deal found 23/3C$ 83
Wed 29/45:35 p.m.
LGW
-
DUB
Nonstop1h 25m
Ryanair
Fri 1/56:50 a.m.
DUB
-
LGW
Nonstop1h 30m
Ryanair
Deal found 24/3C$ 92
Thu 9/49:45 a.m.
LGW
-
DUB
Nonstop1h 25m
Ryanair
Sun 12/46:45 a.m.
DUB
-
LGW
Nonstop1h 30m
Ryanair
Deal found 24/3C$ 95
Sat 4/49:30 p.m.
LGW
-
DUB
Nonstop1h 25m
Ryanair
Tue 7/46:25 a.m.
DUB
-
LGW
Nonstop1h 30m
Ryanair
Deal found 21/3C$ 102
Tue 7/48:35 p.m.
LGW
-
DUB
Nonstop1h 25m
Ryanair
Fri 10/46:50 a.m.
DUB
-
LGW
Nonstop1h 30m
Ryanair
Deal found 24/3C$ 114
Sat 3/109:30 p.m.
LGW
-
DUB
Nonstop1h 25m
Ryanair
Mon 5/106:25 a.m.
DUB
-
LGW
Nonstop1h 30m
Ryanair
Deal found 22/3C$ 121
Fri 2/106:20 a.m.
LHR
-
DUB
Nonstop1h 25m
British Airways
Sat 17/108:15 p.m.
DUB
-
LHR
Nonstop1h 15m
British Airways
Deal found 20/3C$ 142

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 25 March 2026.

Round-trip from

C$ 69

One-way from

C$ 40

Popular in

December

Cheapest in

January

Average price

C$ 139

Good round-trip deal

C$ 244 or less

Good one-way deal

C$ 39 or less
Ryanair
  • Ryanair
  • 12/5-14/5
  • Nonstop
  • 2h 55m total
  • London to Dublin
Search Deals
Ryanair
  • Ryanair
  • 11/5
  • Nonstop
  • 1h 25m total
  • London to Dublin
Search Deals
High demand for flights, 4% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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

 
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 25 March 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 round-trip
Quickest round-trip

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Wed 16/9

6:15 a.m.-7:40 a.m.

Nonstop1h 25m

Dublin

Wed 23/9

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

Nonstop1h 15m

C$ 155

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Sat 18/4

5:55 p.m.-7:25 p.m.

Nonstop1h 30m

Dublin

Sat 25/4

8:15 p.m.-9:30 p.m.

Nonstop1h 15m

C$ 157

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Wed 13/5

6:15 a.m.-7:40 a.m.

Nonstop1h 25m

Dublin

Thu 14/5

8:20 p.m.-9:35 p.m.

Nonstop1h 15m

C$ 160

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Tue 19/5

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

Nonstop1h 25m

Dublin

Fri 22/5

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

Nonstop1h 15m

C$ 164

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Thu 14/5

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

Nonstop1h 25m

Dublin

Mon 18/5

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

Nonstop1h 15m

C$ 165

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Wed 13/5

6:15 a.m.-7:40 a.m.

Nonstop1h 25m

Dublin

Wed 13/5

7:45 p.m.-9:00 p.m.

Nonstop1h 15m

C$ 172

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Tue 12/5

6:10 p.m.-7:35 p.m.

Nonstop1h 25m

Dublin

Sat 16/5

8:15 p.m.-9:30 p.m.

Nonstop1h 15m

C$ 172

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Tue 14/7

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

Nonstop1h 25m

Dublin

Tue 21/7

8:25 p.m.-9:40 p.m.

Nonstop1h 15m

C$ 176

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Sat 9/5

6:15 a.m.-7:40 a.m.

Nonstop1h 25m

Dublin

Fri 15/5

6:55 p.m.-8:15 p.m.

Nonstop1h 20m

C$ 182

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Mon 11/5

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

Nonstop1h 25m

Dublin

Fri 15/5

6:55 p.m.-8:15 p.m.

Nonstop1h 20m

C$ 188

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/3

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 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 13 March 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, March is the cheapest month in which you can book a flight from London to Dublin (average of C$ 50). Flying from London to Dublin in December is currently the most expensive (average of C$ 73). 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 25 March 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 mornings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip 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 103 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 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 25 March 2026.
Get a feel of what it's like to fly with Ryanair 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
5,305 reviews
Check prices

Comfort

6.5

Entertainment

5.6

Crew

7.5

Boarding

6.7

Overall

6.9

Food

6.0

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
5,305 reviews
Ryanair
6.9
Okay
5,305 reviews
Check prices

Comfort

6.5

Entertainment

5.6

Crew

7.5

Boarding

6.7

Overall

6.9

Food

6.0

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 48 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$ 155, British Airways can have you in Dublin from London in 1h 25m. The distance between London and Dublin is about 449 km. Generally, flights for this route are direct.

  • 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$ 71. Other airlines that can offer you cheap pricing are British Airways, from C$ 143, and Aer Lingus, from C$ 176. You may be able to fly from London to Dublin for 43% 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 Aer Lingus and British Airways, 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 (94%), Japan Airlines (94%) or Kenya Airways (94%) 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$ 126. While the most popular route (London Gatwick - Dublin) can be booked for C$ 832 on average, our data indicates C$ 729 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, March is the cheapest month in which you can book a flight from London to Dublin (average of C$ 50). Flying from London to Dublin in December is currently the most expensive (average of C$ 73). 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
Swords

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 25 March 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapestC$ 71AverageC$ 181FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
British AirwaysCheapestC$ 143AverageC$ 193FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapestC$ 176AverageC$ 295FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.