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Cheap flights from London Heathrow Airport to Dublin from €49

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 22/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from London Heathrow Airport to Dublin

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
12:50 - 14:20
LHR
-
DUB
1h 30mdirect
British Airways Logo
10:55 - 12:30
DUB
-
LHR
1h 35mdirect
€79British Airways
la, 7 maalis - ti, 10 maalis
British Airways Logo
12:50 - 14:20
LHR
-
DUB
1h 30mdirect
British Airways Logo
10:45 - 12:20
DUB
-
LHR
1h 35mdirect
€80British Airways
la, 7 maalis - ma, 9 maalis
British Airways Logo
15:30 - 17:00
LHR
-
DUB
1h 30mdirect
British Airways Logo
08:50 - 10:25
DUB
-
LHR
1h 35mdirect
€84British Airways
la, 7 maalis - ma, 9 maalis
British Airways Logo
13:35 - 15:05
LHR
-
DUB
1h 30mdirect
British Airways Logo
10:45 - 12:20
DUB
-
LHR
1h 35mdirect
€85British Airways
la, 7 maalis - ma, 9 maalis
British Airways Logo
18:25 - 19:50
LHR
-
DUB
1h 25mdirect
British Airways Logo
08:50 - 10:25
DUB
-
LHR
1h 35mdirect
€85British Airways
la, 7 maalis - ma, 9 maalis
Multiple Airlines Logo
20:45 - 22:05
LHR
-
DUB
1h 20mdirect
Multiple Airlines Logo
20:40 - 22:00
DUB
-
LHR
1h 20mdirect
€86Multiple Airlines
ma, 2 maalis - ma, 9 maalis
British Airways Logo
18:10 - 19:35
LHR
-
DUB
1h 25mdirect
British Airways Logo
20:30 - 21:45
DUB
-
LHR
1h 15mdirect
€90British Airways
ti, 28 huhti - ke, 29 huhti
British Airways Logo
06:30 - 07:55
LHR
-
DUB
1h 25mdirect
British Airways Logo
20:40 - 22:00
DUB
-
LHR
1h 20mdirect
€91British Airways
la, 21 maalis - ma, 23 maalis
British Airways Logo
15:30 - 17:00
LHR
-
DUB
1h 30mdirect
British Airways Logo
08:50 - 10:25
DUB
-
LHR
1h 35mdirect
€91British Airways
la, 7 maalis - ke, 11 maalis
British Airways Logo
06:30 - 07:55
LHR
-
DUB
1h 25mdirect
British Airways Logo
20:40 - 22:00
DUB
-
LHR
1h 20mdirect
€92British Airways
la, 21 maalis - ma, 23 maalis

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
10 Mar
DUB10:55Dublin
1h 35m
LHR12:30London Heathrow
€79
British Airways
7 Mar
LHR12:50London Heathrow
1h 30m
DUB14:20Dublin
9 Mar
DUB10:45Dublin
1h 35m
LHR12:20London Heathrow
€80
British Airways
7 Mar
LHR15:30London Heathrow
1h 30m
DUB17:00Dublin
9 Mar
DUB08:50Dublin
1h 35m
LHR10:25London Heathrow
€84

Aer Lingus flights from London Heathrow Airport to Dublin

Our best Aer Lingus deals on London Heathrow Airport to Dublin flight tickets
Aer Lingus
2 Mar
LHR20:45London Heathrow
1h 20m
DUB22:05Dublin
3 Mar
DUB18:30Dublin
1h 20m
LHR19:50London Heathrow
€118
Aer Lingus
12 Feb
LHR07:50London Heathrow
1h 20m
DUB09:10Dublin
14 Feb
DUB19:45Dublin
1h 20m
LHR21:05London Heathrow
€140
Aer Lingus
18 Feb
LHR07:50London Heathrow
1h 20m
DUB09:10Dublin
21 Feb
DUB19:45Dublin
1h 20m
LHR21:05London Heathrow
€146

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport 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, momondo users made 13,528 searches. Data last updated 5 helmikuu 2026.
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

la 7/3

12:50-14:20

Nonstop1h 30m

Dublin

ti 10/3

10:55-12:30

Nonstop1h 35m

€79

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

la 7/3

12:50-14:20

Nonstop1h 30m

Dublin

ma 9/3

10:45-12:20

Nonstop1h 35m

€80

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

la 7/3

15:30-17:00

Nonstop1h 30m

Dublin

ma 9/3

08:50-10:25

Nonstop1h 35m

€84

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

la 7/3

13:35-15:05

Nonstop1h 30m

Dublin

ma 9/3

10:45-12:20

Nonstop1h 35m

€85

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

la 7/3

18:25-19:50

Nonstop1h 25m

Dublin

ma 9/3

08:50-10:25

Nonstop1h 35m

€85

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

ma 2/3

20:45-22:05

Nonstop1h 20m

Dublin

ma 9/3

20:40-22:00

Nonstop1h 20m

€86

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

ti 28/4

18:10-19:35

Nonstop1h 25m

Dublin

ke 29/4

20:30-21:45

Nonstop1h 15m

€90

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

la 21/3

06:30-07:55

Nonstop1h 25m

Dublin

ma 23/3

20:40-22:00

Nonstop1h 20m

€91

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

la 7/3

15:30-17:00

Nonstop1h 30m

Dublin

ke 11/3

08:50-10:25

Nonstop1h 35m

€91

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

la 21/3

06:30-07:55

Nonstop1h 25m

Dublin

ma 23/3

20:40-22:00

Nonstop1h 20m

€92

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

If you aren’t able to travel during the month of January, then book flights to Dublin from London Heathrow Airport during October instead. Flights to Dublin in October, while not as cheap as those in January, still average around €127.

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

Our data shows that Wednesday is the least expensive day to fly to Dublin. Tickets to fly out on this day can be as low as €107. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around €306. 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?

Our data shows that the cheapest London Heathrow Airport to Dublin flights are usually those with departure times in the afternoon. Our users have found flights to Dublin in the afternoon for as low as €153. If you have a flexible travel schedule, then try to avoid flying at midday when prices are €187 on average. Flights to Dublin from London Heathrow Airport at midday 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 €144 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 €110 on momondo.

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

There are 2 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 34% 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

€71

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 €71. The best return flight deal from London Heathrow Airport to Dublin found on momondo in the last 72 hours is €103.
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. 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 are updated daily.

  • 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?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. 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 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?

  • 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
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom €93Free CancellationRating
6.7
7,716 reviews
Search British Airways flights

  • British Airways Flights From London Heathrow Airport to Dublin

    The lowest priced British Airways flight from London Heathrow Airport to Dublin from the last 72 hours was €93. Generally, British Airways has 82 flights on this route every week with an average price of €131. British Airways is rated 6.7/10 by our users.

Travelling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Kilkenny
Athlone
Wicklow
Cavan
Naas
Swords
Dundalk
Tullamore
Kildare
Bray
Mullingar
Enniscorthy
Maynooth
Gorey
Malahide
Carlingford
Leixlip
Arklow
Castleknock
Drogheda

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?

Yes. All flights to Dublin from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

Yes momondo offers price alerts on flights to Dublin from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Dublin trip

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la 7/3
la 14/3
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