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$25+ 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
LON — DUB
Jul 16 — Jul 231
Thu 7/16
Thu 7/23
1 adult, Economy
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Cheapflights Tip: The best prices from London to Dublin are usually found in January or September, booked 28 days in advance, depart on a Friday or Thursday and return on a Wednesday

Cheap 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 June 16, 2026.

This Ryanair deal was found by Cheapflights users on 6/15. 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 9/226:20 pm
LGW
-
DUB
Nonstop1h 25m
Ryanair
Tue 9/297:25 pm
DUB
-
LGW
Nonstop1h 30m
Ryanair
Deal found 6/15$45
This Ryanair deal was found by Cheapflights users on 6/14. 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.
Wed 7/110:00 pm
LGW
-
DUB
Nonstop1h 25m
Ryanair
Wed 7/87:50 am
DUB
-
LGW
Nonstop1h 30m
Ryanair
Deal found 6/14$46
This Ryanair deal was found by Cheapflights users on 6/11. 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.
Wed 7/18:50 am
LGW
-
DUB
Nonstop1h 25m
Ryanair
Tue 7/217:25 pm
DUB
-
LGW
Nonstop1h 30m
Ryanair
Deal found 6/11$48
This Ryanair deal was found by Cheapflights users on 6/15. 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.
Wed 7/110:00 pm
LGW
-
DUB
Nonstop1h 25m
Ryanair
Mon 7/207:25 am
DUB
-
LGW
Nonstop1h 30m
Ryanair
Deal found 6/15$49
This Ryanair deal was found by Cheapflights users on 6/11. 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.
Wed 7/18:50 am
LGW
-
DUB
Nonstop1h 25m
Ryanair
Wed 7/156:50 am
DUB
-
LGW
Nonstop1h 30m
Ryanair
Deal found 6/11$50
This Ryanair deal was found by Cheapflights users on 6/14. 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.
Thu 7/28:40 am
LGW
-
DUB
Nonstop1h 25m
Ryanair
Thu 7/96:25 am
DUB
-
LGW
Nonstop1h 30m
Ryanair
Deal found 6/14$51
This Ryanair deal was found by Cheapflights users on 6/12. 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.
Thu 8/66:25 pm
LGW
-
DUB
Nonstop1h 25m
Ryanair
Sun 8/96:45 am
DUB
-
LGW
Nonstop1h 30m
Ryanair
Deal found 6/12$52
This Ryanair deal was found by Cheapflights users on 6/15. 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.
Thu 7/28:40 am
LGW
-
DUB
Nonstop1h 25m
Ryanair
Tue 7/77:25 pm
DUB
-
LGW
Nonstop1h 30m
Ryanair
Deal found 6/15$53
This Ryanair deal was found by Cheapflights users on 6/12. 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.
Wed 7/110:00 pm
LGW
-
DUB
Nonstop1h 25m
Ryanair
Wed 7/226:45 pm
DUB
-
LGW
Nonstop1h 30m
Ryanair
Deal found 6/12$54
This Ryanair deal was found by Cheapflights users on 6/11. 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 9/157:55 pm
LGW
-
DUB
Nonstop1h 25m
Ryanair
Fri 9/187:55 pm
DUB
-
LGW
Nonstop1h 30m
Ryanair
Deal found 6/11$55
This Ryanair deal was found by Cheapflights users on 6/15. 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.
Fri 8/710:00 pm
LGW
-
DUB
Nonstop1h 25m
Ryanair
Sun 8/96:45 am
DUB
-
LGW
Nonstop1h 30m
Ryanair
Deal found 6/15$56
This Expedia deal was found by Cheapflights users on 6/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/176:30 am
LHR
-
DUB
Nonstop1h 25m
British Airways
Fri 12/183:00 pm
DUB
-
LHR
Nonstop1h 25m
British Airways
Deal found 6/15$99

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 June 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$45
(Ryanair)

One-way from

$25
(Ryanair)

Popular in

December

Cheapest in

January

Average price

$108

Good round-trip deal

$45 or less

Good one-way deal

$25 or less
Provider with most accurate pricing for London (LON)-Dublin flight deals.
Search Deals
Provider most trusted by Cheapflights users for London (LON)-Dublin flights.
Search Deals
From London (LON) to Dublin
Search Deals
One-way flight from London (LON) to Dublin
Search Deals
High demand for flights, 6% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 2,558,603 searches. Data last updated June 16, 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

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Tue 7/21

9:35 pm-11:00 pm

Nonstop1h 25m

Dublin

Wed 7/29

6:50 am-8:20 am

Nonstop1h 30m

$55

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Fri 8/7

10:00 pm-11:25 pm

Nonstop1h 25m

Dublin

Sun 8/9

6:45 am-8:15 am

Nonstop1h 30m

$56

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Thu 10/15

9:30 pm-10:55 pm

Nonstop1h 25m

Dublin

Fri 10/16

3:35 pm-5:05 pm

Nonstop1h 30m

$64

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Fri 9/18

5:40 pm-7:05 pm

Nonstop1h 25m

Dublin

Mon 9/21

7:25 pm-8:55 pm

Nonstop1h 30m

$68

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Mon 9/7

8:40 pm-10:05 pm

Nonstop1h 25m

Dublin

Thu 9/10

6:25 am-7:55 am

Nonstop1h 30m

$68

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Sun 9/20

8:55 am-10:20 am

Nonstop1h 25m

Dublin

Mon 9/21

7:25 pm-8:55 pm

Nonstop1h 30m

$78

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Fri 7/24

8:55 am-10:20 am

Nonstop1h 25m

Dublin

Sun 7/26

6:45 am-8:15 am

Nonstop1h 30m

$83

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Mon 7/27

8:40 am-10:05 am

Nonstop1h 25m

Dublin

Fri 7/31

6:50 am-8:20 am

Nonstop1h 30m

$84
Quickest round-trip

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Sun 9/20

6:20 am-7:45 am

Nonstop1h 25m

Dublin

Mon 9/21

8:30 pm-9:45 pm

Nonstop1h 15m

$120

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Wed 10/21

6:05 pm-7:30 pm

Nonstop1h 25m

Dublin

Fri 10/23

8:35 am-10:10 am

Nonstop1h 35m

$124

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/14

Showing 1-10 of 36 resultsSorted by cheapest first
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Compare providers for flights from London to Dublin

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from London to Dublin in June.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on London-Dublin flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London-Dublin flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London-Dublin flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London-Dublin flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London-Dublin flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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 $139). 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 June 16, 2026.

It’s optimal to fly from London to Dublin in the evening. By choosing this option you can save up to 23% on the cost of your flight, compared to a flight at noon.

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 June 16, 2026.

The most flights from LON to DUB are scheduled on a Monday (99 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (66 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 18% of weekly flights between London and Dublin have experienced delays in the past year, with the average delay time being 104 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 last year, Aer Lingus have had the lowest number of delays on this route, with just 13% of flights being delayed.

How far ahead should I book a flight from London to Dublin?

The best time to book flights from London to Dublin is 30 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 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 May 16, 2026.

Travelers seeking maximum savings on their London to Dublin flight should consider departing on Wednesday evenings 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.

The best insider tips for London to Dublin flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your London to Dublin trip
Our travel experts
Yulia Denisyuk

Yulia Denisyuk

Expert on Ryanair

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 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 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
James March

James March

Expert on DUB

For UK-based James March, nothing beats the thrill and chaos of arriving in a new city for the first time, and he tries to put that feeling into his writing and inspire others to travel too. From Birmingham to Blackpool and Leicester to Liverpool, James has reviewed hotels, written narratives and created guides for those who love to travel.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on LHR

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
John Walton

John Walton

Expert on STN and LGW

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Read more

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 June 16, 2026.
Peruse reviews from past customers who have flown with Aer Lingus,Ryanair, andBritish Airways 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.
Aer Lingus
7.3
Good
1,604 reviews

Entertainment

7.0

Boarding

7.4

Crew

8.1

Food

6.7

Comfort

7.2

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Henry,May 2026

CDG - DUB

The staff was friendly and efficient. The cabin was well maintained. The economy seats were comfortable. The fact that the flight was not packed contributed largely to this impression. We would fly Aer Lingus again!
Aer Lingus
7.3
Good
1,604 reviews
Aer Lingus
7.3
Good
1,604 reviews

Entertainment

7.0

Boarding

7.4

Crew

8.1

Food

6.7

Comfort

7.2

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Henry,May 2026

CDG - DUB

The staff was friendly and efficient. The cabin was well maintained. The economy seats were comfortable. The fact that the flight was not packed contributed largely to this impression. We would fly Aer Lingus again!
Ryanair
6.9
Okay
5,411 reviews
Aer Lingus
7.3
Good
1,604 reviews

Entertainment

7.0

Boarding

7.4

Crew

8.1

Food

6.7

Comfort

7.2

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Henry,May 2026

CDG - DUB

The staff was friendly and efficient. The cabin was well maintained. The economy seats were comfortable. The fact that the flight was not packed contributed largely to this impression. We would fly Aer Lingus again!
British Airways
6.7
Okay
8,051 reviews
Aer Lingus
7.3
Good
1,604 reviews

Entertainment

7.0

Boarding

7.4

Crew

8.1

Food

6.7

Comfort

7.2

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Henry,May 2026

CDG - DUB

The staff was friendly and efficient. The cabin was well maintained. The economy seats were comfortable. The fact that the flight was not packed contributed largely to this impression. We would fly Aer Lingus again!

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 80 daily inbound flights from London from 3 different airlines.

  • How long is the flight from London to Dublin?

    For as low as $55, Ryanair can have you in Dublin from London in 1h 25m. There are 300 mi between London and Dublin. Generally, flights for this route are nonstop.

  • 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 $44 on this airline. Additional options worth looking into are British Airways and Aer Lingus, starting at $108 and $153 round-trip. You may be able to fly from London to Dublin for 53% 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 $22. Users have also found prices from $67 and $84 on British Airways and Aer Lingus, 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 (91%), Kenya Airways (86%), Aer Lingus (86%).

  • What are the cheapest flights from London to Dublin?

    The cheapest flight price from London to Dublin is $97. On average you can expect to pay $458. The most popular route, (London Gatwick - Dublin), can usually be booked for $46.

  • 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 $71). Flying from London to Dublin in June is currently the most expensive (average of $139). 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
Castleknock

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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 June 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest$44Average$106FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$108Average$201FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$153Average$226FlexibilityNo cancel feeOn-timeN/A

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