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

As of October 2025, 367 flights take off from London Heathrow Airport and land in Dublin each week. The most common flight departure day for this route is Fri, with 20% of weekly flights taking off on this day.

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

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

Which airlines fly to Dublin?

British Airways, Aer Lingus and Ryanair are the top three most popular airlines that fly to Dublin from London Heathrow Airport according to our data. British Airways is the first choice among our users, with 57% of people opting to fly with this airline when travelling to Dublin. Keep in mind that there are 3 different airlines that fly to Dublin on a routine basis, so you have a few additional options to choose from.

How often are flights from London to Dublin delayed?

Historically, on average around 16% 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 106 minutes.

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, United Airlines have had the fewest delays on this route over the last 12 months, with no flights being classified as delayed.

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

British Airways, Aer Lingus, and Vueling are the most popular carriers operating from London Heathrow to Dublin

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

As of October 2025, 52 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 43% of daily flights taking off in the afternoon.

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?

The number of operators available for flights from London Heathrow Airport to Dublin Airport is 3 as of October 2025.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Dublin Airport.

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

The necessary travel and health documents for your Dublin Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£39 Cheap Flights from London Heathrow Airport to Dublin in 2025/26

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 £96 to £148. The lowest price recently found on this route was £65.

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from London Heathrow Airport to Dublin

Round-trip

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

15:55 - 17:25LHR-DUB

1h 30mdirect

10:45 - 12:20DUB-LHR

1h 35mdirect

£65British Airways

Find Deal

Fri, 6 Feb - Sun, 8 Feb

18:25 - 19:50LHR-DUB

1h 25mdirect

18:00 - 19:20DUB-LHR

1h 20mdirect

£66British Airways

Find Deal

Sat, 22 Nov - Tue, 25 Nov

13:35 - 15:05LHR-DUB

1h 30mdirect

13:25 - 14:50DUB-LHR

1h 25mdirect

£67British Airways

Find Deal

Sat, 29 Nov - Tue, 2 Dec

18:15 - 19:40LHR-DUB

1h 25mdirect

20:40 - 22:00DUB-LHR

1h 20mdirect

£68British Airways

Find Deal

Wed, 14 Jan - Wed, 28 Jan

13:35 - 15:05LHR-DUB

1h 30mdirect

08:50 - 10:25DUB-LHR

1h 35mdirect

£69British Airways

Find Deal

Mon, 1 Dec - Tue, 9 Dec

18:20 - 19:45LHR-DUB

1h 25mdirect

18:00 - 19:20DUB-LHR

1h 20mdirect

£69British Airways

Find Deal

Thu, 15 Jan - Thu, 29 Jan

18:15 - 19:40LHR-DUB

1h 25mdirect

20:40 - 22:00DUB-LHR

1h 20mdirect

£70British Airways

Find Deal

Wed, 14 Jan - Tue, 20 Jan

13:35 - 15:05LHR-DUB

1h 30mdirect

10:55 - 12:30DUB-LHR

1h 35mdirect

£71British Airways

Find Deal

Sat, 6 Dec - Tue, 9 Dec

15:30 - 17:00LHR-DUB

1h 30mdirect

10:55 - 12:30DUB-LHR

1h 35mdirect

£71British Airways

Find Deal

Sat, 29 Nov - Sat, 6 Dec

15:30 - 17:00LHR-DUB

1h 30mdirect

19:45 - 21:05DUB-LHR

1h 20mdirect

£101Multiple Airlines

Find Deal

Sat, 1 Nov - Mon, 3 Nov

British Airways flights from London Heathrow Airport to Dublin

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

British Airways

6 Feb

LHR15:55London Heathrow

1h 30m

DUB17:25Dublin

8 Feb

DUB10:45Dublin

1h 35m

LHR12:20London Heathrow

£65

Find similar

British Airways

22 Nov

LHR18:25London Heathrow

1h 25m

DUB19:50Dublin

25 Nov

DUB18:00Dublin

1h 20m

LHR19:20London Heathrow

£66

Find similar

British Airways

29 Nov

LHR13:35London Heathrow

1h 30m

DUB15:05Dublin

2 Dec

DUB13:25Dublin

1h 25m

LHR14:50London Heathrow

£67

Find similar

Aer Lingus flights from London Heathrow Airport to Dublin

Our best Aer Lingus deals on London Heathrow Airport to Dublin flight tickets

Aer Lingus

20 Oct

LHR21:10London Heathrow

1h 20m

DUB22:30Dublin

5 Nov

DUB14:15Dublin

1h 20m

LHR15:35London Heathrow

£124

Find similar

Aer Lingus

20 Oct

LHR21:10London Heathrow

1h 20m

DUB22:30Dublin

22 Oct

DUB12:30Dublin

1h 25m

LHR13:55London Heathrow

£137

Find similar

Aer Lingus

27 Oct

LHR07:50London Heathrow

1h 20m

DUB09:10Dublin

2 Nov

DUB05:40Dublin

1h 25m

LHR07:05London Heathrow

£141

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.

Fly from

Fly to

Route

Depart

Return

Price

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Fri 6/2

15:55-17:25

Nonstop1h 30m

Dublin

Sun 8/2

10:45-12:20

Nonstop1h 35m

£65

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Sat 22/11

18:25-19:50

Nonstop1h 25m

Dublin

Tue 25/11

18:00-19:20

Nonstop1h 20m

£66

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Sat 29/11

13:35-15:05

Nonstop1h 30m

Dublin

Tue 2/12

13:25-14:50

Nonstop1h 25m

£67

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Wed 14/1

18:15-19:40

Nonstop1h 25m

Dublin

Wed 28/1

20:40-22:00

Nonstop1h 20m

£68

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Mon 1/12

13:35-15:05

Nonstop1h 30m

Dublin

Tue 9/12

08:50-10:25

Nonstop1h 35m

£68

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Thu 15/1

18:20-19:45

Nonstop1h 25m

Dublin

Thu 29/1

18:00-19:20

Nonstop1h 20m

£69

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Wed 14/1

18:15-19:40

Nonstop1h 25m

Dublin

Tue 20/1

20:40-22:00

Nonstop1h 20m

£70

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Sat 6/12

13:35-15:05

Nonstop1h 30m

Dublin

Tue 9/12

10:55-12:30

Nonstop1h 35m

£71

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Sat 29/11

15:30-17:00

Nonstop1h 30m

Dublin

Sat 6/12

10:55-12:30

Nonstop1h 35m

£71

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Sat 1/11

15:30-17:00

Nonstop1h 30m

Dublin

Mon 3/11

19:45-21:05

Nonstop1h 20m

£101

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?

In general, January is the cheapest month to fly from London Heathrow Airport to Dublin. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £103. If you aren’t able to travel to Dublin during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of £113.

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

On average, the least expensive day to fly to Dublin from London Heathrow Airport is on a Saturday. momondo users have found tickets for Saturday departures for as low as £102. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around £139. These prices are subject to change though, so be sure to set up a Price Alert for flights to Dublin.

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

Flying to Dublin from London Heathrow Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as £87 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £122 on average. Flights to Dublin from London Heathrow Airport in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 £127 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 £95 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 October 2025, prices for London Heathrow Airport to Dublin flights are approximately 29% 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	£106
Fastest flight time	1h 20m
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 £106. The best return flight deal from London Heathrow Airport to Dublin found on momondo in the last 72 hours is £145.

The fastest flight from London Heathrow Airport to Dublin takes 1h 20m

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

There is 1 airport near Dublin: Dublin (DUB)

Search flight deals

How far is London Heathrow to Dublin by plane?
London Heathrow and Dublin are 276.5 mi apart from one another. 1h 25m is a normal flight duration for this route.
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?
The number of operators available for flights from London Heathrow Airport to Dublin Airport is 3 as of October 2025.
How old do you have to be to fly from London Heathrow Airport to Dublin Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Dublin Airport.
What documentation or ID do you need to fly to Dublin Airport?
The necessary travel and health documents for your Dublin Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from London Heathrow Airport to Dublin?
Based on momondo bookings for flights between London Heathrow Airport and Dublin, the leading plane model is Boeing 787-9 Dreamliner, making up 14.09% of the total bookings. Other popular models include Boeing 777 with 10.72%, Airbus A350-1000 with 8.47%, and Airbus A320neo with 8.05%.
What is the most popular airline from London Heathrow Airport to Dublin?
Based on momondo bookings for this flight route, the most popular airline on flight routes from London Heathrow Airport to Dublin is British Airways (57% of total bookings). The next most popular airlines are Aer Lingus (42%) and Ryanair (1%).

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
Ryanair	PriceFrom £31	Free Cancellation	Rating 6.8 5,179 reviews	Search Ryanair flights
British Airways	PriceFrom £67	Free Cancellation	Rating 6.7 7,457 reviews	Search British Airways flights
Aer Lingus	PriceFrom £99	Free Cancellation	Rating 7.2 1,341 reviews	Search Aer Lingus flights

Aer Lingus Flights From London Heathrow Airport to Dublin
Aer Lingus flies from London Heathrow Airport to Dublin around 99 times per week, with 1,341 momondo users rating the airline 7.2/10. The cheapest Aer Lingus deal from London Heathrow Airport to Dublin in the last 72 hours was £133 (round-trip), much lower than the average airfare cost of £198 for Aer Lingus flights on this route.
British Airways Flights From London Heathrow Airport to Dublin
£91 is the best British Airways flight deal from London Heathrow Airport to Dublin found on momondo over the last 72 hours. The average British Airways ticket price found was closer to £147, however, with flight time and availability significantly affecting the price. British Airways (6.7/10 from 7,457 user reviews) flies into Dublin from London Heathrow Airport 94 times in an average week so prices can vary.

Kilkenny

Swords

Dundalk

Cavan

Athlone

Bray

Carlingford

Malahide

Kildare

Drogheda

Wicklow

Mullingar

Gorey

Enniscorthy

Arklow

Naas

Portmarnock

Leixlip

Tullamore

Maynooth

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Dublin from London.

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

Yes. momondo enables you to select and highlight flights to Dublin from London with this policy.

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

momondo provides multiple filters to help you find the best flight to Dublin from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from London to Dublin now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Dublin and let you know when they 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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Sun 16/11

Sun 23/11

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland

Airports servicing Ireland

Cheap flights from London Heathrow Airport to Dublin from £39

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from London Heathrow Airport to Dublin

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

British Airways flights from London Heathrow Airport to Dublin

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

Aer Lingus flights from London Heathrow Airport to Dublin

Our best Aer Lingus 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

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

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 October 2025, prices for London Heathrow Airport to Dublin flights are approximately 29% 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, Aer Lingus, and Vueling are the most popular carriers operating from London Heathrow to Dublin

Which airlines fly to Dublin?

How often are flights from London to Dublin delayed?

Historically, on average around 16% 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 106 minutes.

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

Generally, flights departing in the morning 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, United Airlines have had the fewest delays on this route over the last 12 months, with no flights being classified as delayed.

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

As of October 2025, 52 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 43% of daily flights taking off in the afternoon.

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

As of October 2025, 367 flights take off from London Heathrow Airport and land in Dublin each week. The most common flight departure day for this route is Fri, with 20% of weekly flights 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