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Cheap flights from London to Dublin from £17

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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — DUB
27 Mar — 3 Apr1
1 adult

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

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 22 March 2025.

Round-trip from

£29

One-way from

£17

Popular in

December

Cheapest in

January

Average price

£68

Good round-trip deal

£38 or less

Good one-way deal

£17 or less
Ryanair
  • Ryanair
  • 3/4-6/4
  • Nonstop
  • 2h 55m total
  • London to Dublin
Ryanair
  • Ryanair
  • 7/4
  • Nonstop
  • 1h 15m total
  • London to Dublin
Highest demand for flights based on searches. 2% potential increase in price (£2 potential increase over avg. return price).
Cheapest flight prices on average. 5% potential price decrease (£3 potential savings vs. average return price).
Average for round-trip flights in March 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 22 March 2025.

Thu 3/409:45LGW - DUB
Nonstop1h 25mRyanair
Sun 6/406:45DUB - LGW
Nonstop1h 30mRyanair
Deal found 21/3£29
Wed 26/306:50LTN - DUB
Nonstop1h 15mRyanair
Wed 2/408:15DUB - LTN
Nonstop1h 10mRyanair
Deal found 21/3£29
Tue 1/421:25STN - DUB
Nonstop1h 20mRyanair
Wed 16/406:30DUB - STN
Nonstop1h 20mRyanair
Deal found 20/3£29
Thu 24/417:50STN - DUB
Nonstop1h 20mMultiple Airlines
Sun 27/406:25DUB - STN
Nonstop1h 20mMultiple Airlines
Deal found 20/3£33
Tue 9/906:20LHR - DUB
Nonstop1h 25mBritish Airways
Tue 16/920:20DUB - LHR
Nonstop1h 20mBritish Airways
Deal found 20/3£70
Mon 31/321:55LTN - DUB
Nonstop1h 15mMultiple Airlines
Tue 1/412:00DUB - LTN
1 stop24h 40mMultiple Airlines
Deal found 21/3£71
Tue 6/520:35LGW - DUB
Nonstop1h 25mMultiple Airlines
Wed 7/508:55DUB - LGW
1 stop5h 55mMultiple Airlines
Deal found 21/3£79
Tue 15/415:50LHR - DUB
Nonstop1h 25mAer Lingus
Thu 1/512:30DUB - LHR
Nonstop1h 25mAer Lingus
Deal found 21/3£87
Thu 15/514:40LCY - DUB
Nonstop1h 20mBritish Airways
Tue 20/516:45DUB - LCY
Nonstop1h 35mBritish Airways
Deal found 20/3£101
Thu 24/406:20LHR - DUB
Nonstop1h 25mMultiple Airlines
Sun 27/406:30DUB - LHR
Nonstop1h 30mMultiple Airlines
Deal found 20/3£107
Mon 31/306:30SEN - DUB
1 stop14h 35mMultiple Airlines
Thu 3/420:20DUB - SEN
1 stop23h 50mMultiple Airlines
Deal found 20/3£114
Thu 1/519:40LGW - DUB
1 stop11h 45mVueling
Thu 8/508:20DUB - LGW
1 stop10h 35mVueling
Deal found 21/3£138

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 858,174 searches. Data last updated 22 March 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

Thu 3/4

09:45-11:10

Nonstop1h 25m

Dublin

Sun 6/4

06:45-08:15

Nonstop1h 30m

£29

LondonDublin

STN - DUB

STNDUB

London Stansted

Tue 1/4

21:25-22:45

Nonstop1h 20m

Dublin

Wed 16/4

06:30-07:50

Nonstop1h 20m

£29

LondonDublin

LTN - DUB

LTNDUB

London Luton

Mon 31/3

21:55-23:10

Nonstop1h 15m

Dublin

Tue 1/4

07:50-09:00

Nonstop1h 10m

£30

LondonDublin

STN - DUB

STNDUB

London Stansted

Wed 18/6

13:15-14:35

Nonstop1h 20m

Dublin

Thu 19/6

19:35-20:55

Nonstop1h 20m

£59

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Tue 9/9

06:20-07:45

Nonstop1h 25m

Dublin

Tue 16/9

20:20-21:40

Nonstop1h 20m

£70

LondonDublin

LTN - DUB

LTNDUB

London Luton

Mon 31/3

21:55-23:10

Nonstop1h 15m

Dublin

Tue 1/4

12:00-12:40

1 stop24h 40m

£71

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Tue 6/5

20:35-22:00

Nonstop1h 25m

Dublin

Wed 7/5

08:55-14:50

1 stop5h 55m

£79

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Tue 15/4

15:50-17:15

Nonstop1h 25m

Dublin

Thu 1/5

12:30-13:55

Nonstop1h 25m

£87

LondonDublin

LCY - DUB

LCYDUB

London City

Thu 15/5

14:40-16:00

Nonstop1h 20m

Dublin

Tue 20/5

16:45-18:20

Nonstop1h 35m

£101

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Thu 24/4

06:20-07:45

Nonstop1h 25m

Dublin

Sun 27/4

06:30-08:00

Nonstop1h 30m

£107

Flights are sorted by cheapest return flights first.

Deals found on 21/3

Showing 1-10 of 50 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 14 March 2025.

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 30 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 June is currently the most expensive (average of £101). 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 22 March 2025.

It’s optimal to fly from London to Dublin in the evening. By choosing this option you can save up to 42% 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 return from London to Dublin. Price data was last updated on 16 March 2025.

Travellers seeking maximum savings on their London to Dublin flight should consider departing on Tuesday evenings 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 22 March 2025.

The most flights from LON to DUB are scheduled on a Friday (105 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (35 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 22 March 2025.
To help decide which airline to fly from London to Dublin, see what other customers have to say about Aegean Airlines, KLM and Norwegian. 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.

Boarding

7.8

Food

7.3

Comfort

7.8

Entertainment

6.9

Crew

8.6

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Boarding

7.8

Food

7.3

Comfort

7.8

Entertainment

6.9

Crew

8.6

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Boarding

7.8

Food

7.3

Comfort

7.8

Entertainment

6.9

Crew

8.6

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Boarding

7.8

Food

7.3

Comfort

7.8

Entertainment

6.9

Crew

8.6

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Boarding

7.8

Food

7.3

Comfort

7.8

Entertainment

6.9

Crew

8.6

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Boarding

7.8

Food

7.3

Comfort

7.8

Entertainment

6.9

Crew

8.6

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

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 68 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 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 (£29), British Airways (£70), and Aer Lingus (£87) offers the cheapest pricing from London to Dublin. Ryanair is 59% 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 (£17), British Airways (£46), and Aer Lingus (£55).

  • 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: Kenya Airways (94%), Japan Airlines (90%), LATAM Airlines( 89%).

  • What are the cheapest flights from London to Dublin?

    The cheapest flight price from London to Dublin is £77. On average you can expect to pay £1,202. The most popular route, (London Heathrow - Dublin), can usually be booked for £68.

  • 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 June is currently the most expensive (average of £101). 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

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
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Browse thousands of different options on Cheapflights for your next trip

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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 22 March 2025.

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 858,174 searches. Data last updated 22 March 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£27Average£57FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
British AirwaysCheapest£56Average£122FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest£66Average£142FlexibilityNo 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?

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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