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Dublin

$28+ Cheap flights from London (LON) to Dublin (DUB)

LON — DUB
Oct 18 — Oct 251
Sun 10/18
Sun 10/25
1 adult, Economy
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Find cheap flights from London to Dublin with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from London to Dublin are usually found in January or November, booked 37 days in advance, depart on a Friday or Tuesday and return on a Wednesday

Cheap flight deals from London to Dublin

Cheapest flights from London to Dublin

Fri 10/210:00 pm -
Nonstop1h 25m
Wed 10/77:45 pm -
Nonstop1h 30m
Deal found 9/16$47
Sat 10/107:20 pm -
Nonstop1h 25m
Sat 10/175:25 pm -
Nonstop1h 30m
Deal found 9/13$48
Sat 10/107:20 pm -
Nonstop1h 25m
Sun 10/116:45 am -
Nonstop1h 30m
Deal found 9/14$49
Thu 10/19:30 pm -
Nonstop1h 25m
Thu 10/84:20 pm -
Nonstop1h 30m
Deal found 9/16$50
Tue 11/178:50 am -
Nonstop1h 20m
Thu 11/197:00 am -
Nonstop1h 25m
Deal found 9/16$51
Thu 9/248:40 am -
Nonstop1h 25m
Sat 9/266:25 pm -
Nonstop1h 30m
Deal found 9/16$52
Fri 10/910:00 pm -
Nonstop1h 25m
Sun 10/116:45 am -
Nonstop1h 30m
Deal found 9/17$53
Thu 11/1211:35 am -
Nonstop1h 20m
Sun 11/156:30 am -
Nonstop1h 25m
Deal found 9/16$54
Fri 11/134:10 pm -
Nonstop1h 20m
Thu 11/197:00 am -
Nonstop1h 25m
Deal found 9/16$55
Sat 10/312:05 pm -
Nonstop1h 25m
Sat 10/35:25 pm -
Nonstop1h 30m
Deal found 9/16$56
Tue 9/2211:55 am -
Nonstop1h 25m
Tue 9/226:00 pm -
Nonstop1h 30m
Deal found 9/17$57
Sat 9/198:20 pm -
Nonstop1h 25m
Sun 9/206:45 am -
Nonstop1h 30m
Deal found 9/14$58

Find flight deals from London to Dublin

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$47
(Kiwi.com)

One-way from

$28
(Ryanair)

Popular in

December

Cheapest in

January

Average price

$81

Good round-trip deal

$55 or less

Good one-way deal

$34 or less
Provider with most accurate pricing for London (LON)-Dublin flight deals.
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Provider most trusted by Cheapflights users for London (LON)-Dublin flights.
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From London (LON) to Dublin
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One-way flight from London (LON) to Dublin
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High demand for flights, 9% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2026
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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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Cheapflights Fare Finder

 
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

LGW London Gatwick - DUB Dublin

LGWDUB

London Gatwick

Wed 11/18

9:05 pm-10:25 pm

Nonstop1h 20m

Dublin

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$28

LondonDublin

LGW London Gatwick - DUB Dublin

LGWDUB

London Gatwick

Thu 12/3

2:55 pm-4:15 pm

Nonstop1h 20m

Dublin

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$28

LondonDublin

LGW London Gatwick - DUB Dublin

LGWDUB

London Gatwick

Thu 10/1

9:30 pm-10:55 pm

Nonstop1h 25m

Dublin

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$29

LondonDublin

LGW London Gatwick - DUB Dublin

LGWDUB

London Gatwick

Mon 10/5

9:30 pm-10:55 pm

Nonstop1h 25m

Dublin

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$29

LondonDublin

LGW London Gatwick - DUB Dublin

LGWDUB

London Gatwick

Fri 10/9

10:00 pm-11:25 pm

Nonstop1h 25m

Dublin

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$29

LondonDublin

LGW London Gatwick - DUB Dublin

LGWDUB

London Gatwick

Fri 12/11

9:35 pm-10:55 pm

Nonstop1h 20m

Dublin

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$30

LondonDublin

LGW London Gatwick - DUB Dublin

LGWDUB

London Gatwick

Thu 10/15

6:25 pm-7:50 pm

Nonstop1h 25m

Dublin

Thu 10/22

6:25 am-7:55 am

Nonstop1h 30m

$47

LondonDublin

LGW London Gatwick - DUB Dublin

LGWDUB

London Gatwick

Sat 10/10

7:20 pm-8:45 pm

Nonstop1h 25m

Dublin

Sat 10/17

5:25 pm-6:55 pm

Nonstop1h 30m

$48

LondonDublin

LGW London Gatwick - DUB Dublin

LGWDUB

London Gatwick

Wed 10/21

3:35 pm-5:00 pm

Nonstop1h 25m

Dublin

Fri 10/23

6:50 am-8:20 am

Nonstop1h 30m

$49

LondonDublin

LGW London Gatwick - DUB Dublin

LGWDUB

London Gatwick

Thu 12/3

9:25 pm-10:45 pm

Nonstop1h 20m

Dublin

Sat 12/5

7:40 pm-9:05 pm

Nonstop1h 25m

$50

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/18

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

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from London to Dublin in September.
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

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 $79). Flying from London to Dublin in July is currently the most expensive (average of $138). 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?

It’s optimal to fly from London to Dublin in the evening. By choosing this option you can save up to 28% on the cost of your flight, compared to a flight in the morning.

Weekly flight availability from London to Dublin

The most flights from LON to DUB are scheduled on a Wednesday (104 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (38 on average).

How much does it cost to fly round-trip from London to Dublin?

Airfare is below average for this route at the moment.
London to Dublin flights typically cost between $50 and $133 in October.
The cheapest round-trip price found within the last 5 days was $47 on Ryanair (Oct 2-Oct 7).

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 105 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?

Travelers seeking maximum savings on their London to Dublin flight should consider departing on Monday evenings when fares are most often at their lowest. Tuesday 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

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

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
1,767 reviews

Entertainment

7.0

Overall

7.3

Crew

8.1

Boarding

7.5

Comfort

7.2

Food

6.7

Reviews

1 / 20
10.0
Excellent

Patrick,Sep 2026

CDG - DUB

Flight crew were very nice and friendly and very professional. I enjoyed my flights.
Aer Lingus
7.3
Good
1,767 reviews
Aer Lingus
7.3
Good
1,767 reviews

Entertainment

7.0

Overall

7.3

Crew

8.1

Boarding

7.5

Comfort

7.2

Food

6.7

Reviews

1 / 20
10.0
Excellent

Patrick,Sep 2026

CDG - DUB

Flight crew were very nice and friendly and very professional. I enjoyed my flights.
Ryanair
6.9
Okay
5,470 reviews
Aer Lingus
7.3
Good
1,767 reviews

Entertainment

7.0

Overall

7.3

Crew

8.1

Boarding

7.5

Comfort

7.2

Food

6.7

Reviews

1 / 20
10.0
Excellent

Patrick,Sep 2026

CDG - DUB

Flight crew were very nice and friendly and very professional. I enjoyed my flights.
British Airways
6.7
Okay
8,229 reviews
Aer Lingus
7.3
Good
1,767 reviews

Entertainment

7.0

Overall

7.3

Crew

8.1

Boarding

7.5

Comfort

7.2

Food

6.7

Reviews

1 / 20
10.0
Excellent

Patrick,Sep 2026

CDG - DUB

Flight crew were very nice and friendly and very professional. I enjoyed my flights.

Related info for your journey

  • 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 61 daily inbound flights from London from 3 different airlines.

  • How long is the flight from London to Dublin?

    For as low as $125, Ryanair can have you in Dublin from London in 1h 20m. There are 279 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 $45 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 $23. Users have also found prices from $68 and $82 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 (89%), Aer Lingus (81%), Qatar Airways (80%).

  • What are the cheapest flights from London to Dublin?

    The cheapest flight price from London to Dublin is $96. On average you can expect to pay $1,554. The most popular route, (London Gatwick - Dublin), can usually be booked for $39.

  • 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 $79). Flying from London to Dublin in July is currently the most expensive (average of $138). 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
Bray

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from London to Dublin

AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest$45Average$101FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$108Average$203FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$153Average$210FlexibilityNo cancel feeOn-timeN/A

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