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

327 flights are operational weekly from London Heathrow Airport to Dublin as of February 2026. The most popular departure day for this route is Sat, with 20% of flights per week taking off on this day.

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.

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 104 minutes.

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

As of February 2026, 46 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 42% of daily flights taking off at midday.

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.

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

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.

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 February 2026, 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.

$99 Cheap Flights from London Heathrow Airport to Dublin in 2026

Q: What is the typical price of a round-trip flight between London Heathrow Airport and Dublin?

Prices are currently low for flights on this route. Typical prices usually range from $169 to $267. The lowest price recently found on this route was $145.

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Find the cheapest flights from London Heathrow Airport to Dublin

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One-way

Last minute

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Enter your travel dates to find the best prices.

12:50 - 14:20

LHR

DUB

1h 30mdirect

10:45 - 12:20

DUB

LHR

1h 35mdirect

$145British Airways

Sat, 7 Mar - Mon, 9 Mar

06:30 - 07:55

LHR

DUB

1h 25mdirect

10:45 - 12:20

DUB

LHR

1h 35mdirect

$146British Airways

Sat, 7 Mar - Mon, 9 Mar

13:35 - 15:05

LHR

DUB

1h 30mdirect

10:45 - 12:20

DUB

LHR

1h 35mdirect

$151British Airways

Mon, 2 Mar - Mon, 9 Mar

06:20 - 07:45

LHR

DUB

1h 25mdirect

12:50 - 14:20

DUB

LHR

1h 30mdirect

$152British Airways

Tue, 28 Jul - Tue, 4 Aug

17:10 - 18:40

LHR

DUB

1h 30mdirect

20:25 - 21:40

DUB

LHR

1h 15mdirect

$154British Airways

Tue, 14 Apr - Tue, 21 Apr

17:10 - 18:40

LHR

DUB

1h 30mdirect

20:25 - 21:40

DUB

LHR

1h 15mdirect

$155British Airways

Tue, 14 Apr - Tue, 21 Apr

08:15 - 09:40

LHR

DUB

1h 25mdirect

20:30 - 21:45

DUB

LHR

1h 15mdirect

$156British Airways

Wed, 29 Apr - Wed, 29 Apr

17:10 - 18:40

LHR

DUB

1h 30mdirect

10:45 - 12:20

DUB

LHR

1h 35mdirect

$158British Airways

Sun, 8 Mar - Mon, 9 Mar

06:20 - 07:45

LHR

DUB

1h 25mdirect

20:10 - 21:25

DUB

LHR

1h 15mdirect

$159British Airways

Tue, 19 May - Fri, 22 May

06:30 - 07:55

LHR

DUB

1h 25mdirect

17:55 - 19:15

DUB

LHR

1h 20mdirect

$161British Airways

Sat, 21 Feb - Sat, 28 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

7 Mar

LHR12:50London Heathrow

1h 30m

DUB14:20Dublin

9 Mar

DUB10:45Dublin

1h 35m

LHR12:20London Heathrow

$145

British Airways

7 Mar

LHR06:30London Heathrow

1h 25m

DUB07:55Dublin

9 Mar

DUB10:45Dublin

1h 35m

LHR12:20London Heathrow

$146

British Airways

28 July

LHR06:20London Heathrow

1h 25m

DUB07:45Dublin

4 Aug

DUB12:50Dublin

1h 30m

LHR14:20London Heathrow

$152

KLM flights from London Heathrow Airport to Dublin

Our best KLM deals on London Heathrow Airport to Dublin flight tickets

KLM

14 Feb

LHR17:50London Heathrow

4h 20m

1 stop

DUB22:10Dublin

16 Feb

DUB05:55Dublin

4h 50m

1 stop

LHR10:45London Heathrow

$397

KLM

13 Feb

LHR17:50London Heathrow

4h 20m

1 stop

DUB22:10Dublin

15 Feb

DUB13:25Dublin

5h 50m

1 stop

LHR19:15London Heathrow

$406

KLM

6 Feb

LHR06:30London Heathrow

6h 10m

1 stop

DUB12:40Dublin

8 Feb

DUB13:25Dublin

5h 50m

1 stop

LHR19:15London Heathrow

$418

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Sat 7/3

12:50-14:20

Nonstop1h 30m

Dublin

Mon 9/3

10:45-12:20

Nonstop1h 35m

$145

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Sat 7/3

06:30-07:55

Nonstop1h 25m

Dublin

Mon 9/3

10:45-12:20

Nonstop1h 35m

$146

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Mon 2/3

13:35-15:05

Nonstop1h 30m

Dublin

Mon 9/3

10:45-12:20

Nonstop1h 35m

$151

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Tue 28/7

06:20-07:45

Nonstop1h 25m

Dublin

Tue 4/8

12:50-14:20

Nonstop1h 30m

$152

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Tue 14/4

17:10-18:40

Nonstop1h 30m

Dublin

Tue 21/4

20:25-21:40

Nonstop1h 15m

$154

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Tue 14/4

17:10-18:40

Nonstop1h 30m

Dublin

Tue 21/4

20:25-21:40

Nonstop1h 15m

$155

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Wed 29/4

08:15-09:40

Nonstop1h 25m

Dublin

Wed 29/4

20:30-21:45

Nonstop1h 15m

$156

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Sun 8/3

17:10-18:40

Nonstop1h 30m

Dublin

Mon 9/3

10:45-12:20

Nonstop1h 35m

$158

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Tue 19/5

06:20-07:45

Nonstop1h 25m

Dublin

Fri 22/5

20:10-21:25

Nonstop1h 15m

$159

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Sat 21/2

06:30-07:55

Nonstop1h 25m

Dublin

Sat 28/2

17:55-19:15

Nonstop1h 20m

$161

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 typical price of a round-trip flight between London Heathrow Airport and Dublin?

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 $210. 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 $215.

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 $118. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Dublin for around $202.

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 $106. 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 $189. 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 $244 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 $187 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 February 2026, prices for London Heathrow Airport to Dublin flights are approximately 33% 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	$139
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 $139. The best return flight deal from London Heathrow Airport to Dublin found on momondo in the last 72 hours is $207.

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 February 2026, 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 13.61% of all bookings. The subsequent popular models are Airbus A350-1000 at 10.51%, Boeing 777 at 10.23%, and Airbus A320neo at 7.56%.
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 67% of the total bookings. Other popular airlines include Aer Lingus with 33%.

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 $117	Free cancellation	Rating 6.7 7,706 reviews		Search British Airways flights
Aer Lingus	PriceFrom $201	Free cancellation	Rating 7.2 1,444 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 $201 round-trip. Over the 88 Aer Lingus flights for this route in a normal week, average airfare is usually $256 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 7,706 reviews) operates around 86 flights from London Heathrow Airport to Dublin in any given week. The average British Airways airfare for this route is around $194, with deals from around $117 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.

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.

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Cheap flights from London Heathrow Airport to Dublin from $99

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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Big names, great deals

Filter for what you want

Filter for what you want

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Find the cheapest flights from London Heathrow Airport to Dublin

Cheap return flights

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British Airways flights from London Heathrow Airport to Dublin

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

KLM flights from London Heathrow Airport to Dublin

Our best KLM 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 typical price of a round-trip flight between London Heathrow Airport and 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 February 2026, prices for London Heathrow Airport to Dublin flights are approximately 33% 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 104 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 February 2026, 46 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 42% of daily flights taking off at midday.

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

327 flights are operational weekly from London Heathrow Airport to Dublin as of February 2026. The most popular departure day for this route is Sat, with 20% 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