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$65+ Cheap flights from Heathrow (LHR) 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — DUB
août 3 — août 101
dim. 8/3
dim. 8/10
1 adult, Economy
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Cheapflights Tip: The best prices from London Heathrow to Dublin are usually found in January or September, booked 66 days in advance, depart on a Friday or Tuesday and return on a Thursday

Cheap flight deals from Heathrow to Dublin

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) 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 juillet 29, 2025.

Round-trip from

$108
(British Airways)

One-way from

$65
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$188

Good round-trip deal

$171 or less

Good one-way deal

$186 or less
From London Heathrow to Dublin
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One-way flight from London Heathrow to Dublin
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Highest demand for flights based on searches. 9% potential increase in price ($17 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($3 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 Heathrow to Dublin.
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Price to beat on a one-way flight from London Heathrow to Dublin.
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Find flight deals from Heathrow to Dublin

Cheapest flights from Heathrow to Dublin
Explore the most affordable flight options available from Heathrow to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on juillet 29, 2025.

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.
mer. 10/86:15 amLHR - DUB
Nonstop1h 25mBritish Airways
mer. 10/810:50 amDUB - LHR
Nonstop1h 40mBritish Airways
Deal found 7/29$108
This Expedia deal was found by Cheapflights users on 7/28. 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.
jeu. 9/186:20 amLHR - DUB
Nonstop1h 25mMultiple Airlines
dim. 9/216:30 amDUB - LHR
Nonstop1h 30mMultiple Airlines
Deal found 7/28$142

Cheapflights Fare Finder

 
Customize your flight search to find flights from Heathrow 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 juillet 29, 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Dublin that are best for you.

Fly from

Heathrow

Fly to

Dublin

Route

Depart

Return

Price

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

mer. 10/8

6:15 am-7:40 am

Nonstop1h 25m

Dublin

mer. 10/8

10:50 am-12:30 pm

Nonstop1h 40m

$108

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

jeu. 9/18

6:20 am-7:45 am

Nonstop1h 25m

Dublin

dim. 9/21

6:30 am-8:00 am

Nonstop1h 30m

$142

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

mar. 10/7

4:50 pm-6:20 pm

Nonstop1h 30m

$65

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

mer. 9/3

3:05 pm-7:35 am

1 stop16h 30m

$89

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

sam. 9/6

7:40 pm-8:50 pm

Nonstop1h 10m

$93

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

lun. 9/15

5:50 pm-11:05 pm

1 stop5h 15m

$100

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

The best insider tips for London Heathrow Airport 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 Heathrow Airport to Dublin trip
Airlines
British Airways

BA's Executive Club offers free seat selection for oneworld Sapphire or Emerald members.


BA's European flights offer a snack and water in economy.

Read more about British Airwaysby Gabriel Leigh
Aer Lingus

Aer Lingus offers Wi-Fi for purchase on Airbus A321 Long Range flights.


Aer Lingus provides a complimentary hot meal on all transatlantic flights.

Read more about Aer Lingusby Evie Carrick
Airports
LHR

Heathrow's strict security means longer waits. Ensure all liquids are in one small bag to avoid delays.

Read more about LHRby Ramsey Qubein
DUB

For quick access to Dublin, take the Aircoach from Terminal 1, departing every 15 minutes.

Read more about DUBby James March
Our travel experts
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
James March

James March

Expert on DUB

James March

James March

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

Ramsey Qubein

Ramsey Qubein

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

Best time to book a flight from Heathrow to Dublin

Have a flexible travel schedule? Discover the best time to fly to Dublin from Heathrow 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 Heathrow Airport to Dublin

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

Use this chart to determine the optimal time to book a round-trip flight from Heathrow to Dublin. Price data was last updated on July 25, 2025.

Booking 66 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Dublin. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, November is the cheapest month in which you can book a flight from London Heathrow Airport to Dublin (average of $509). Flying from London Heathrow Airport 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 LHR to DUB?

Find hourly flight availability from Heathrow 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 juillet 29, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 73% on flights from London Heathrow Airport to Dublin by exploring options for tickets in the afternoon.

What is the cheapest day to fly from London Heathrow Airport to Dublin?

Use this chart to determine the cheapest time to fly round-trip from Heathrow to Dublin. Price data was last updated on July 27, 2025.

Travelers seeking maximum savings on their London Heathrow Airport to Dublin flight should consider departing on Sunday afternoons 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 Heathrow Airport to Dublin

Explore weekly flight availability from Heathrow 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 juillet 29, 2025.

The most flights from LHR to DUB are scheduled on a Tuesday (65 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (30 on average).

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 juillet 29, 2025.
Read through reviews of airlines operating flights from London Heathrow Airport to Dublin, such as Vueling, Aer Lingus, and British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Vueling
7.1
Good
1,175 reviews

Crew

7.7

Overall

7.1

Food

6.1

Comfort

6.8

Entertainment

5.8

Boarding

7.1

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
1,175 reviews
Vueling
7.1
Good
1,175 reviews

Crew

7.7

Overall

7.1

Food

6.1

Comfort

6.8

Entertainment

5.8

Boarding

7.1

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
1,190 reviews
Vueling
7.1
Good
1,175 reviews

Crew

7.7

Overall

7.1

Food

6.1

Comfort

6.8

Entertainment

5.8

Boarding

7.1

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
7,208 reviews
Vueling
7.1
Good
1,175 reviews

Crew

7.7

Overall

7.1

Food

6.1

Comfort

6.8

Entertainment

5.8

Boarding

7.1

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 Heathrow 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 Heathrow?

    Located just 5.7 mi from the city center, Dublin is the airport most travelers will use when flying to Dublin from London Heathrow. Booking flights from London Heathrow to Dublin (DUB) should be relatively easy as there are 48 daily inbound flights from London Heathrow from 2 different airlines.

  • What is the cheapest airline to fly from London Heathrow Airport to Dublin round-trip?

    Flying on British Airways is currently your cheapest option to Dublin, with prices starting at $108. British Airways is 33% 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 Heathrow Airport to Dublin one-way?

    One-way options have recently been found by users for as low as $65 on British Airways. Other airlines that offer cheap prices include Vueling from $89 and Aer Lingus from $93 one-way.

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

    No one likes to see their flight delayed. When booking a flight from London Heathrow Airport to Dublin consider choosing Air Canada (100%), Aer Lingus (88%) or British Airways (88%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from London Heathrow Airport to Dublin?

    On average you can expect to pay $394 for a flight from London Heathrow Airport to Dublin. The cheapest flight overall is $84 while the most popular route, (London Heathrow - Dublin) is currently priced at $147.

  • Can I find deals for flights from Heathrow to Dublin that include hotel bookings?

    Yes. In addition to deals on Heathrow to Dublin flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Dublin?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Dublin.

  • Can I find deals for business class flights from Heathrow to Dublin?

    Yes. Cheapflights offers flight deals from Heathrow 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 Heathrow Airport to Dublin?

    Currently, November is the cheapest month in which you can book a flight from London Heathrow Airport to Dublin (average of $509). Flying from London Heathrow Airport 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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Alternative routes for Heathrow to Dublin

See prices for flight routes from nearby airports that may be better suited for you.
Gatwick to Dublin flights
Heathrow to Cork flights
Heathrow to Shannon flights

Top 2 airlines flying from Heathrow to Dublin

Discover the top 2 airlines that operate flights from Heathrow 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 juillet 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$87Average$149FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$142Average$196FlexibilityNo cancel feeOn-timeN/A

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