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Cheap flights from London to Dublin from £20

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 17/1. Fares are subject to change and may not be available on all flights or dates of travel.
LON — DUB
22 Dec — 29 Dec1
1 adult

The best prices from London to Dublin are usually found in January or September, booked 50 days in advance, depart on a Tuesday or Wednesday 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 17 December 2024.

Round-trip from

£39

One-way from

£20

Popular in

December

Cheapest in

January

Average price

£109
Ryanair
  • Ryanair
  • 21/1-22/1
  • Nonstop
  • 2h 50m total
  • London to Dublin
Ryanair
  • Ryanair
  • 17/1
  • Nonstop
  • 1h 20m total
  • London to Dublin
High demand for flights, 1% potential price rise
Best time to find cheap flights, 4% potential price drop
Average for round-trip flights in December 2024

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 17 December 2024.

Sun 29/1208:25LGW - DUB
Nonstop1h 20mRyanair
Mon 6/118:30DUB - LGW
Nonstop1h 30mRyanair
Deal found 16/12£41
Fri 27/1205:50LTN - DUB
Nonstop1h 15mRyanair
Mon 6/107:35DUB - LTN
Nonstop1h 15mRyanair
Deal found 14/12£53
Fri 27/1221:05STN - DUB
Nonstop1h 20mRyanair
Fri 31/122:50DUB - STN
Nonstop1h 20mRyanair
Deal found 16/12£63
Sat 21/1205:55LTN - DUB
1 stop9h 30mMultiple Airlines
Fri 10/115:50DUB - LTN
Nonstop1h 15mMultiple Airlines
Deal found 16/12£74
Sun 29/1206:30STN - DUB
Nonstop1h 20mMultiple Airlines
Sat 4/114:45DUB - STN
1 stop16h 20mMultiple Airlines
Deal found 16/12£77
Mon 30/1206:30STN - DUB
Nonstop1h 20mRyanair
Mon 6/119:50DUB - STN
1 stop3h 40mRyanair
Deal found 16/12£77
Mon 30/1221:30LGW - DUB
Nonstop1h 20mMultiple Airlines
Sun 5/121:10DUB - LGW
1 stop25h 15mMultiple Airlines
Deal found 17/12£88
Sun 29/1218:20LHR - DUB
Nonstop1h 20mBritish Airways
Mon 6/116:00DUB - LHR
Nonstop1h 25mBritish Airways
Deal found 16/12£88
Sun 29/1218:20LHR - DUB
Nonstop1h 20mMultiple Airlines
Mon 6/119:45DUB - LHR
Nonstop1h 15mMultiple Airlines
Deal found 16/12£109
Mon 30/1220:45LHR - DUB
Nonstop1h 20mAer Lingus
Mon 6/119:45DUB - LHR
Nonstop1h 15mAer Lingus
Deal found 16/12£132
Tue 17/1206:50LCY - DUB
Nonstop1h 25mBritish Airways
Tue 24/1207:00DUB - LCY
Nonstop1h 35mBritish Airways
Deal found 14/12£185
Tue 17/1220:05LHR - DUB
1 stop16h 00mSWISS
Thu 16/118:40DUB - LHR
1 stop13h 25mSWISS
Deal found 15/12£207

Find flights from London to Dublin within your budget

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 858,174 searches. Data last updated 17 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Tue 21/1

11:25-12:45

Nonstop1h 20m

Dublin

Wed 22/1

18:00-19:30

Nonstop1h 30m

£39

LondonDublin

LTN - DUB

LTNDUB

London Luton

Thu 9/1

09:00-10:15

Nonstop1h 15m

Dublin

Fri 10/1

15:50-17:05

Nonstop1h 15m

£39

LondonDublin

STN - DUB

STNDUB

London Stansted

Sat 11/1

10:45-12:05

Nonstop1h 20m

Dublin

Mon 13/1

18:45-20:05

Nonstop1h 20m

£40

LondonDublin

STN - DUB

STNDUB

London Stansted

Fri 14/2

22:15-23:35

Nonstop1h 20m

Dublin

Sun 16/2

22:45-00:05

Nonstop1h 20m

£40

LondonDublin

STN - DUB

STNDUB

London Stansted

Sat 22/2

06:30-07:50

Nonstop1h 20m

Dublin

Sat 22/2

12:30-13:50

Nonstop1h 20m

£55

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Tue 25/3

06:30-07:55

Nonstop1h 25m

Dublin

Sat 29/3

20:35-21:55

Nonstop1h 20m

£65

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Sat 4/1

22:30-23:50

Nonstop1h 20m

Dublin

Wed 8/1

17:00-07:50

1 stop14h 50m

£70

LondonDublin

LTN - DUB

LTNDUB

London Luton

Mon 13/1

13:50-15:05

Nonstop1h 15m

Dublin

Thu 16/1

05:55-11:30

1 stop5h 35m

£77

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Tue 14/1

19:45-21:05

Nonstop1h 20m

Dublin

Tue 21/1

10:55-12:30

Nonstop1h 35m

£95

LondonDublin

LCY - DUB

LCYDUB

London City

Tue 21/1

17:15-18:35

Nonstop1h 20m

Dublin

Thu 23/1

20:10-21:40

Nonstop1h 30m

£104

Flights are sorted by cheapest return flights first.

Deals found on 16/12

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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.

Travel insights for flights from London to Dublin

Get recent, data-driven insights about flights from London to Dublin including ideal travel times, pricing trends, and more.

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 13 December 2024.

The price you pay for your flight from London to Dublin may vary depending on when you book. For the best chance of a lower fare, look to book 50 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 £71). Flying from London to Dublin in May is currently the most expensive (average of £99). 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 December 2024.

It’s optimal to fly from London to Dublin in the morning. By choosing this option you can save up to 10% on the cost of your flight, compared to a flight 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 8 December 2024.

Travellers seeking maximum savings on their London to Dublin flight should consider departing on Wednesday at midday when fares are most often at their lowest. Sunday afternoons 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 December 2024.

The most flights from LON to DUB are scheduled on a Friday (101 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (57 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 17 December 2024.
To help decide which airline to fly from London to Dublin, see what other customers have to say about Ryanair, Aer Lingus and Vueling. 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.
7.8
Good
1,351 reviews

Boarding

7.9

Food

7.3

Crew

8.4

Entertainment

7.2

Overall

7.8

Comfort

7.7

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

7.8
Good
1,351 reviews
7.8
Good
1,351 reviews

Boarding

7.9

Food

7.3

Crew

8.4

Entertainment

7.2

Overall

7.8

Comfort

7.7

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

7.6
Good
1,607 reviews
7.8
Good
1,351 reviews

Boarding

7.9

Food

7.3

Crew

8.4

Entertainment

7.2

Overall

7.8

Comfort

7.7

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

7.6
Good
788 reviews
7.8
Good
1,351 reviews

Boarding

7.9

Food

7.3

Crew

8.4

Entertainment

7.2

Overall

7.8

Comfort

7.7

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

7.5
Good
283 reviews
7.8
Good
1,351 reviews

Boarding

7.9

Food

7.3

Crew

8.4

Entertainment

7.2

Overall

7.8

Comfort

7.7

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

7.4
Good
1,505 reviews
7.8
Good
1,351 reviews

Boarding

7.9

Food

7.3

Crew

8.4

Entertainment

7.2

Overall

7.8

Comfort

7.7

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

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 77 inbound flights from London per day. You should also have plenty of airline options to choose from since 4 airlines have flights to the Dublin airport from London. It is only a 5.7 mi journey from Dublin (DUB) to Dublin’s city center.

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

    According to our current data, Ryanair (£39), Ryanair (£40), and British Airways (£65) offers the cheapest pricing from London to Dublin. Ryanair is 48% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapet airlines for a one-way flight from London to Dublin are Ryanair (£20), Ryanair (£29), and British Airways (£44).

  • What are the most popular routes from London to Dublin?

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

    Before booking your flight to Dublin from London, check out the most reliable airlines to get you to your destination on time: Qatar Airways (72%), Kenya Airways (69%), Aer Lingus( 68%).

  • What are the cheapest flights from London to Dublin?

    The cheapest flight price from London to Dublin is £81. On average you can expect to pay £1,061. The most popular route, (London Heathrow - Dublin), can usually be booked for £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 £71). Flying from London to Dublin in May is currently the most expensive (average of £99). 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 are the most eco-friendly airlines from London to Dublin?

    Many eco-friendly airlines have flights to Dublin from London. Some of the most sustainable airlines to fly with include Ryanair, EasyJet, British Airways, and Vueling. When you fly with Ryanair, you will be flying with one of Europe’s cleanest airlines. This airline is investing in getting the newest aircraft that have better fuel efficiency. Ryanair is also working on its engine technology and adopting the most efficient methods to minimise its environmental impact. EasyJet is another great airline that promotes sustainable travel. This airline flies with a fleet that is 15% more fuel-efficient than before. They also offset their carbon emissions from their fuel on all flights. British Airways is always a good option for eco-friendly flights. They recently took a flight that only used recycled fuel. They are working on making this fuel their primary fuel. Vueling has a very efficient fleet of aircraft. They have introduced the Airbus A320neo, which uses 18% fewer carbon emissions than the previous model. Vueling has also replaced their seats with a lighter version; this is saving them a lot of fuel each year.

  • How to fly more sustainably from London to Dublin?

    There are many great ways to foster eco-friendly air travel. One way, which is highly recommended, is to fly in economy class. The economic class allows for more room on a plane, allowing more people on one flight. If you can take a direct flight from London to Dublin, this is another way to ensure sustainable travel. If you take a direct flight, you will use less fuel than if you take a flight that includes a stopover. Packing light is also highly recommended. The lighter the aircraft, the less fuel it will use. Choosing to fly with an eco-friendly airline is always a plus, so if you can, fly with Ryanair, EasyJet, British Airways or Vueling.

See more FAQs

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Fly from London to Dublin on these airlines

Choose from the following airlines for your flight from London to Dublin. Flights are based on user searches made on Cheapflights and were last updated on 17 December 2024.

Top 4 airlines flying from London to Dublin

Discover the top 4 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 858,174 searches. Data last updated 17 December 2024.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£28Average£56FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Aer LingusCheapest£52Average£152FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£54Average£112FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£121Average£195FlexibilityNo cancel feeOn-time76%
Search Lufthansa 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?

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 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?

Certainly. Search results for flights to Dublin from London shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Not ready to book yet? You can track prices for flights from London to Dublin on Cheapflights with our Price Alert feature and get notified when better prices are available.

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