Which airline has the best punctuality record on London to Dublin flights?

According to our data, Aer Lingus have had the fewest delays on this route over the last 12 months, with about 15% of their flights experiencing any sort of delay.

How many flights depart from London Heathrow Airport to Dublin on average per week?

295 flights are operational weekly from London Heathrow Airport to Dublin as of December 2025. The most popular departure day for this route is Sat, with 22% of flights per week taking off on this day.

How many flights depart from London Heathrow Airport to Dublin on average per day?

As of December 2025, 42 flights take off from London Heathrow Airport and land in Dublin each day. The most common flight departure time for this route is 08:00, with 44% of daily flights taking off at midday.

What is the most punctual flight time for London to Dublin flights?

Generally, flights departing at night tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

What is the cheapest airline that flies from London Heathrow to Dublin?

British Airways is the most popular carrier operating from London Heathrow to Dublin

How often are flights from London to Dublin delayed?

Historically, on average around 15% of flights between London and Dublin have experienced a delay on any given week. The average delay length over the past 12 months has been 105 minutes.

When did momondo last update prices for flights from London Heathrow Airport to Dublin Airport?

Prices for flights from London Heathrow Airport to Dublin Airport refresh daily.

How many operators does momondo search for flights from London Heathrow Airport to Dublin Airport?

As of December 2025, there are 2 operators available to choose from for flights from London Heathrow Airport to Dublin Airport.

How old do you have to be to fly from London Heathrow Airport to Dublin Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Dublin Airport.

What documentation or ID do you need to fly to Dublin Airport?

The travel and health documents required for your trip to Dublin Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Dublin Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$98 Cheap Flights from London Heathrow Airport to Dublin in 2025/26

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Find the cheapest flights from London Heathrow Airport to Dublin

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18:20 - 19:45

LHR

DUB

1h 25mdirect

20:40 - 22:00

DUB

LHR

1h 20mdirect

$148British Airways

Thu, 29 Jan - Wed, 4 Feb

08:25 - 09:50

LHR

DUB

1h 25mdirect

10:30 - 12:05

DUB

LHR

1h 35mdirect

$154British Airways

Sun, 1 Feb - Thu, 5 Feb

08:10 - 09:35

LHR

DUB

1h 25mdirect

10:20 - 11:55

DUB

LHR

1h 35mdirect

$156British Airways

Wed, 4 Feb - Wed, 11 Feb

18:15 - 19:40

LHR

DUB

1h 25mdirect

20:40 - 22:00

DUB

LHR

1h 20mdirect

$157British Airways

Wed, 28 Jan - Mon, 2 Feb

06:30 - 07:55

LHR

DUB

1h 25mdirect

20:40 - 22:00

DUB

LHR

1h 20mdirect

$162British Airways

Fri, 23 Jan - Sun, 25 Jan

06:30 - 07:55

LHR

DUB

1h 25mdirect

20:40 - 22:00

DUB

LHR

1h 20mdirect

$163British Airways

Fri, 23 Jan - Sun, 25 Jan

15:35 - 17:05

LHR

DUB

1h 30mdirect

16:05 - 17:30

DUB

LHR

1h 25mdirect

$165British Airways

Tue, 27 Jan - Thu, 29 Jan

06:30 - 07:55

LHR

DUB

1h 25mdirect

10:55 - 12:30

DUB

LHR

1h 35mdirect

$171British Airways

Sat, 28 Feb - Tue, 3 Mar

15:30 - 17:00

LHR

DUB

1h 30mdirect

08:50 - 10:25

DUB

LHR

1h 35mdirect

$172British Airways

Sat, 28 Feb - Tue, 3 Mar

15:30 - 17:00

LHR

DUB

1h 30mdirect

10:20 - 11:55

DUB

LHR

1h 35mdirect

$174British Airways

Wed, 4 Feb - Wed, 11 Feb

British Airways flights from London Heathrow Airport to Dublin

Our best British Airways deals on London Heathrow Airport to Dublin flight tickets

British Airways

29 Jan

LHR18:20London Heathrow

1h 25m

DUB19:45Dublin

4 Feb

DUB20:40Dublin

1h 20m

LHR22:00London Heathrow

$148

Find similar

British Airways

1 Feb

LHR08:25London Heathrow

1h 25m

DUB09:50Dublin

5 Feb

DUB10:30Dublin

1h 35m

LHR12:05London Heathrow

$154

Find similar

British Airways

4 Feb

LHR08:10London Heathrow

1h 25m

DUB09:35Dublin

11 Feb

DUB10:20Dublin

1h 35m

LHR11:55London Heathrow

$156

Find similar

Scandinavian Airlines flights from London Heathrow Airport to Dublin

Our best Scandinavian Airlines deals on London Heathrow Airport to Dublin flight tickets

Scandinavian Airlines

4 Jan

LHR18:05London Heathrow

16h 40m

1 stop

DUB10:45Dublin

6 Jan

DUB12:30Dublin

9h 10m

1 stop

LHR21:40London Heathrow

$296

Find similar

Scandinavian Airlines

1 Jan

LHR10:20London Heathrow

8h 00m

1 stop

DUB18:20Dublin

5 Jan

DUB19:05Dublin

14h 15m

1 stop

LHR09:20London Heathrow

$316

Find similar

Scandinavian Airlines

22 Dec

LHR17:00London Heathrow

18h 45m

1 stop

DUB11:45Dublin

5 Jan

DUB19:05Dublin

14h 15m

1 stop

LHR09:20London Heathrow

$348

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Dublin that are best for you.

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Fly to

Route

Depart

Return

Price

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Thu 29/1

18:20-19:45

Nonstop1h 25m

Dublin

Wed 4/2

20:40-22:00

Nonstop1h 20m

$148

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Sun 1/2

08:25-09:50

Nonstop1h 25m

Dublin

Thu 5/2

10:30-12:05

Nonstop1h 35m

$154

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Wed 4/2

08:10-09:35

Nonstop1h 25m

Dublin

Wed 11/2

10:20-11:55

Nonstop1h 35m

$156

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Wed 28/1

18:15-19:40

Nonstop1h 25m

Dublin

Mon 2/2

20:40-22:00

Nonstop1h 20m

$157

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Fri 23/1

06:30-07:55

Nonstop1h 25m

Dublin

Sun 25/1

20:40-22:00

Nonstop1h 20m

$162

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Fri 23/1

06:30-07:55

Nonstop1h 25m

Dublin

Sun 25/1

20:40-22:00

Nonstop1h 20m

$163

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Tue 27/1

15:35-17:05

Nonstop1h 30m

Dublin

Thu 29/1

16:05-17:30

Nonstop1h 25m

$165

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Sat 28/2

06:30-07:55

Nonstop1h 25m

Dublin

Tue 3/3

10:55-12:30

Nonstop1h 35m

$171

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Sat 28/2

15:30-17:00

Nonstop1h 30m

Dublin

Tue 3/3

08:50-10:25

Nonstop1h 35m

$172

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Wed 4/2

15:30-17:00

Nonstop1h 30m

Dublin

Wed 11/2

10:20-11:55

Nonstop1h 35m

$174

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London Heathrow Airport to Dublin

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to Dublin?

The month of January is, on average, the cheapest month to fly to Dublin from London Heathrow Airport, with most prices found around $209. If you are unable to visit Dublin during the month of January, then departing from London Heathrow Airport during the month October is also very affordable. Most momondo users find prices during this month for around $225.

What is the cheapest day to depart on your flight to Dublin?

The cheapest day to depart from London Heathrow Airport to Dublin is on a Tuesday. Travellers who choose to depart for Dublin on a Tuesday will often find tickets for as low as $123. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Dublin for around $194.

What is the cheapest time of day to depart on your flight to Dublin?

In the evening is the cheapest time of day to fly from London Heathrow Airport to Dublin when you can find flight prices for as low as $120. Flying to Dublin in the evening is an ideal time because this is during off-peak travel hours. Flights to Dublin are more costly at midday, with an average ticket price of $199. Departure times at midday fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest London Heathrow to Dublin flight route?

Fly from London Heathrow to Dublin for the best London Heathrow - Dublin flight prices

How far in advance should I book a flight to Dublin?

You are more likely to see cheaper flights to Dublin from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around $259 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from London Heathrow Airport for as low as $192 on momondo.

What cabin class options are available on London Heathrow to Dublin flights?

There are 3 cabin classes available to choose from on London Heathrow to Dublin flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have London Heathrow Airport to Dublin flight prices changed over time?

As of December 2025, prices for London Heathrow Airport to Dublin flights are approximately 30% more expensive when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Dublin

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Dublin according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap London Heathrow Airport to Dublin (LHR to DUB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Dublin

Best price found	$161
Fastest flight time	1h 25m
Direct flights	Every day
Airports in Dublin	1 airport

The best one-way flight to Dublin from London Heathrow Airport in the past 72 hours is $161. The best return flight deal from London Heathrow Airport to Dublin found on momondo in the last 72 hours is $203.

The fastest flight from London Heathrow Airport to Dublin takes 1h 25m

Direct flights go from London Heathrow Airport to Dublin every day.

There is 1 airport in Dublin. From London Heathrow Airport there are direct flights to Dublin (DUB).

Search flight deals

How far is London Heathrow to Dublin by plane?
London Heathrow and Dublin are 445.0 km apart from one another. In terms of flight time, this usually takes a little over 1h 25m.
When did momondo last update prices for flights from London Heathrow Airport to Dublin Airport?
Prices for flights from London Heathrow Airport to Dublin Airport refresh daily.
How many operators does momondo search for flights from London Heathrow Airport to Dublin Airport?
As of December 2025, there are 2 operators available to choose from for flights from London Heathrow Airport to Dublin Airport.
How old do you have to be to fly from London Heathrow Airport to Dublin Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Dublin Airport.
What documentation or ID do you need to fly to Dublin Airport?
The travel and health documents required for your trip to Dublin Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Dublin Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from London Heathrow Airport to Dublin?
momondo data reveals that the most frequently booked plane model on the route from London Heathrow Airport to Dublin is Boeing 787-9 Dreamliner, representing 13.95% of all bookings. The subsequent popular models are Boeing 777 at 10.98%, Airbus A350-1000 at 9.33%, and Airbus A320neo at 7.78%.
What is the most popular airline from London Heathrow Airport to Dublin?
Based on momondo bookings for flights between London Heathrow Airport and Dublin, the leading airline is British Airways, making up 71% of the total bookings. Other popular airlines include Aer Lingus with 29%.

Best airlines flying from London Heathrow Airport to Dublin

Compare and see reviews for airlines that fly from London Heathrow Airport to Dublin with momondo

Airline	Rating	Free cancellation	Price
British Airways	PriceFrom $128	Free cancellation	Rating 6.7 7,602 reviews		Search British Airways flights
Aer Lingus	PriceFrom $212	Free cancellation	Rating 7.2 1,408 reviews		Search Aer Lingus flights

Aer Lingus Flights From London Heathrow Airport to Dublin
Aer Lingus flight deals from London Heathrow Airport to Dublin start from $212 round-trip. Over the 76 Aer Lingus flights for this route in a normal week, average airfare is usually $278 round-trip - but some users have found much cheaper deals with momondo.
British Airways Flights From London Heathrow Airport to Dublin
British Airways (6.7/10 from 7,602 reviews) operates around 75 flights from London Heathrow Airport to Dublin in any given week. The average British Airways airfare for this route is around $197, with deals from around $128 rare but found on momondo. Referenced prices are for round-trip London Heathrow Airport to Dublin flight searches in the last 72 hours.

Athlone

Kilkenny

Swords

Why use momondo?

Why should I use momondo to find a flight deal from London to Dublin?

Finding the right flight to Dublin from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Dublin quick and easy, saving you time and money.

Can I find flights from London to Dublin with flexible booking policies on momondo?

All flight searches from London to Dublin on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from London to Dublin?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Dublin.

I’m not ready to book a flight from London to Dublin right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of London to Dublin flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cheap flights from London Heathrow Airport to Dublin from $98

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Dublin departing on 24/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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British Airways flights from London Heathrow Airport to Dublin

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Our best Scandinavian Airlines deals on London Heathrow Airport to Dublin flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Dublin that are best for you.

See travel insights to Dublin from

How to get the cheapest flight ticket from London Heathrow Airport to Dublin

What is the cheapest month to fly to Dublin?

What is the cheapest day to depart on your flight to Dublin?

What is the cheapest time of day to depart on your flight to Dublin?

What is the cheapest London Heathrow to Dublin flight route?

Fly from London Heathrow to Dublin for the best London Heathrow - Dublin flight prices

How far in advance should I book a flight to Dublin?

What cabin class options are available on London Heathrow to Dublin flights?

There are 3 cabin classes available to choose from on London Heathrow to Dublin flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have London Heathrow Airport to Dublin flight prices changed over time?

As of December 2025, prices for London Heathrow Airport to Dublin flights are approximately 30% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from London Heathrow to Dublin?

British Airways is the most popular carrier operating from London Heathrow to Dublin

How often are flights from London to Dublin delayed?

Historically, on average around 15% of flights between London and Dublin have experienced a delay on any given week. The average delay length over the past 12 months has been 105 minutes.

What is the most punctual flight time for London to Dublin flights?

Generally, flights departing at night tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on London to Dublin flights?

According to our data, Aer Lingus have had the fewest delays on this route over the last 12 months, with about 15% of their flights experiencing any sort of delay.

How many flights depart from London Heathrow Airport to Dublin on average per day?

As of December 2025, 42 flights take off from London Heathrow Airport and land in Dublin each day. The most common flight departure time for this route is 08:00, with 44% of daily flights taking off at midday.

How many flights depart from London Heathrow Airport to Dublin on average per week?

295 flights are operational weekly from London Heathrow Airport to Dublin as of December 2025. The most popular departure day for this route is Sat, with 22% of flights per week taking off on this day.

When to book flights from London Heathrow Airport to Dublin

Cheap London Heathrow Airport to Dublin (LHR to DUB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Dublin

Best price found

Fastest flight time

Direct flights

Airports in Dublin

How far is London Heathrow to Dublin by plane?

When did momondo last update prices for flights from London Heathrow Airport to Dublin Airport?

How many operators does momondo search for flights from London Heathrow Airport to Dublin Airport?

How old do you have to be to fly from London Heathrow Airport to Dublin Airport?

What documentation or ID do you need to fly to Dublin Airport?

What is the most popular plane model from London Heathrow Airport to Dublin?

What is the most popular airline from London Heathrow Airport to Dublin?

Best airlines flying from London Heathrow Airport to Dublin

Compare and see reviews for airlines that fly from London Heathrow Airport to Dublin with momondo

Aer Lingus Flights From London Heathrow Airport to Dublin

British Airways Flights From London Heathrow Airport to Dublin

Travelling to a place near Dublin?

Why use momondo?

Why should I use momondo to find a flight deal from London to Dublin?

Can I find flights from London to Dublin with flexible booking policies on momondo?

How can momondo help me find flights from London to Dublin?

I’m not ready to book a flight from London to Dublin right now. Can momondo alert me if prices change?

An easier way to manage your Dublin trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Ireland

Airports servicing Ireland