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$29+ Cheap flights from London (LON) to Dublin (DUB)

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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
LON — DUB
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheapflights Tip: The best prices from London to Dublin are usually found in September or January, booked 27 days in advance, depart on a Wednesday or Thursday and return on a Thursday

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 July 30, 2025.

Round-trip from

$46
(Ryanair)

One-way from

$29
(Expedia)

Popular in

December

Cheapest in

September

Average price

$108

Good round-trip deal

$59 or less

Good one-way deal

$24 or less
From London (LON) to Dublin
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One-way flight from London (LON) to Dublin
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Highest demand for flights based on searches. 10% potential increase in price ($9 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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

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 July 30, 2025.

This Ryanair deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ryanair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/239:35 pmLGW - DUB
Nonstop1h 25mRyanair
Sun 9/286:45 amDUB - LGW
Nonstop1h 30mRyanair
Deal found 7/30$46
This British Airways deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/234:50 pmLHR - DUB
Nonstop1h 30mBritish Airways
Wed 9/2410:55 amDUB - LHR
Nonstop1h 35mBritish Airways
Deal found 7/29$108

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 2,558,603 searches. Data last updated July 30, 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

Tue 9/23

9:35 pm-11:00 pm

Nonstop1h 25m

Dublin

Tue 9/30

3:25 pm-4:55 pm

Nonstop1h 30m

$46

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Tue 9/23

4:50 pm-6:20 pm

Nonstop1h 30m

Dublin

Wed 9/24

10:55 am-12:30 pm

Nonstop1h 35m

$108

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Mon 9/15

8:40 am-10:05 am

Nonstop1h 25m

$29

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Wed 10/15

8:55 am-3:20 pm

1 stop6h 25m

$63

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Wed 12/31

6:30 am-7:55 am

Nonstop1h 25m

$64

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Wed 9/17

7:50 pm-7:35 am

1 stop11h 45m

$72

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Wed 10/15

3:05 pm-7:35 am

1 stop16h 30m

$85

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Sat 9/6

7:40 pm-8:50 pm

Nonstop1h 10m

$93

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Mon 9/15

5:50 pm-11:05 pm

1 stop5h 15m

$100

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

The best insider tips for London to Dublin flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your London to Dublin trip
Airlines
Ryanair

Ryanair offers priority boarding with Regular fare, including a 10kg carry-on and seat selection.


Ryanair's online check-in is free; avoid airport fees by checking in via their app before departure.

Read more about Ryanairby Yulia Denisyuk
British Airways

BA offers free seat selection for oneworld Sapphire or Emerald members, even on economy fares.


BA's Cityflyer Embraer 170 offers a comfortable 2-by-2 seating configuration, avoiding middle seats.

Read more about British Airwaysby Gabriel Leigh
Aer Lingus

Aer Lingus provides complimentary meals on transatlantic flights, including hot meals and beverages.


Aer Lingus allows pre-clearance of US immigration in Dublin, saving time upon arrival in the US.

Read more about Aer Lingusby Evie Carrick
Our travel experts
Yulia Denisyuk

Yulia Denisyuk

Expert on Ryanair

Yulia Denisyuk

Yulia Denisyuk

Yulia is a freelance journalist who’s dispatched from 90+ countries. Her work focuses on cultures, adventure trips and air travel, appearing in NatGeo, NYT, CNTraveler, and more. For past assignments, she’s stayed with nomads in Mongolia and learned the art of Imigongo in Rwanda. She’s based in Chicago; in winter she often questions that decision.

Read more
Gabriel Leigh

Gabriel Leigh

Expert on British Airways

Gabriel Leigh

Gabriel Leigh

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more
Evie Carrick

Evie Carrick

Expert on Aer Lingus

Evie Carrick

Evie Carrick

Evie Carrick is a writer and editor who has lived in five countries and traveled to over 50, with extensive experience flying around the world. She was born in Colorado, but has spent time flying to both coasts to visit family. She writes regularly for Travel + Leisure, BuzzFeed, and SKI and recently published seven travel journals with Simon & Schuster.

Read more

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 July 25, 2025.

The best time to book flights from London to Dublin is 27 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from London to Dublin?

Currently, November is the cheapest month in which you can book a flight from London to Dublin (average of $509). Flying from London to Dublin in June is currently the most expensive (average of $924). 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 July 30, 2025.

It’s optimal to fly from London to Dublin in the evening. By choosing this option you can save up to 30% 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 July 27, 2025.

Travelers seeking maximum savings on their London to Dublin flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday 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 July 30, 2025.

The most flights from LON to DUB are scheduled on a Wednesday (99 on average). You will have fewer flight options on Sunday, 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?

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 July 30, 2025.
Peruse reviews from past customers who have flown with Vueling, Aer Lingus, and Ryanair from London to Dublin to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Vueling
7.1
Good
1,176 reviews

Crew

7.7

Entertainment

5.8

Food

6.1

Overall

7.1

Boarding

7.1

Comfort

6.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2024

BCN - DUB

My tv was not working and I had to switch seats 3 times. Other than that excellent experience.
Vueling
7.1
Good
1,176 reviews
Vueling
7.1
Good
1,176 reviews

Crew

7.7

Entertainment

5.8

Food

6.1

Overall

7.1

Boarding

7.1

Comfort

6.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2024

BCN - DUB

My tv was not working and I had to switch seats 3 times. Other than that excellent experience.
Aer Lingus
7.1
Good
1,191 reviews
Vueling
7.1
Good
1,176 reviews

Crew

7.7

Entertainment

5.8

Food

6.1

Overall

7.1

Boarding

7.1

Comfort

6.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2024

BCN - DUB

My tv was not working and I had to switch seats 3 times. Other than that excellent experience.
Ryanair
6.9
Okay
5,152 reviews
Vueling
7.1
Good
1,176 reviews

Crew

7.7

Entertainment

5.8

Food

6.1

Overall

7.1

Boarding

7.1

Comfort

6.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2024

BCN - DUB

My tv was not working and I had to switch seats 3 times. Other than that excellent experience.
British Airways
6.6
Okay
7,217 reviews
Vueling
7.1
Good
1,176 reviews

Crew

7.7

Entertainment

5.8

Food

6.1

Overall

7.1

Boarding

7.1

Comfort

6.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2024

BCN - DUB

My tv was not working and I had to switch seats 3 times. Other than that excellent experience.

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?

    Located just 5.7 mi from the city center, Dublin is the airport most travelers will use when flying to Dublin from London. Booking flights from London to Dublin (DUB) should be relatively easy as there are 66 daily inbound flights from London from 3 different airlines.

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

    Our cheapest airline available from London to Dublin is Ryanair. Our recent data shows that you can find tickets from as low as $46 on this airline. An additional option worth looking into is British Airways, starting at $108. You may be able to fly from London to Dublin for 48% less than the average price by searching for these airlines.

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

    For one-way options, check prices for Ryanair. According to our data, you can fly for as low as $29. Users have also found prices from $65 and $72 on British Airways and Vueling, respectively.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from London to Dublin on time: Air Canada (100%), Aer Lingus (88%), British Airways (88%).

  • What are the cheapest flights from London to Dublin?

    The cheapest flight price from London to Dublin is $84. On average you can expect to pay $394. The most popular route, (London Gatwick - Dublin), can usually be booked for $44.

  • 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, November is the cheapest month in which you can book a flight from London to Dublin (average of $509). Flying from London to Dublin in June is currently the most expensive (average of $924). 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

Traveling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Maynooth
Castleknock
Swords
Wicklow
Leixlip

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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 2,558,603 searches. Data last updated July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest$37Average$81FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$87Average$181FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$142Average$196FlexibilityNo cancel feeOn-timeN/A

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