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Cheap flights from London Heathrow Airport to Dublin from $91

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 25/3. 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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Find the cheapest flights from London Heathrow Airport to Dublin

Cheap return flights

These are some of the best return flight deals from London Heathrow Airport to Dublin that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from London Heathrow Airport to Dublin.

Cheap last-minute flights

Planning a quick getaway from London Heathrow Airport to Dublin? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Dublin, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from London Heathrow Airport to Dublin

Find recent return train or bus tickets from London Heathrow Airport to Dublin.

All return flight deals from London Heathrow Airport to Dublin

The cheapest plane tickets from London Heathrow Airport to Dublin found on KAYAK recently.
18:25 - 19:45LHR-DUB
1h 20mdirect
20:30 - 21:50DUB-LHR
1h 20mdirect
$127British Airways
Find Deal
Sat, 1 Mar - Mon, 3 Mar
06:30 - 07:55LHR-DUB
1h 25mdirect
20:30 - 21:50DUB-LHR
1h 20mdirect
$141British Airways
Find Deal
Wed, 12 Mar - Wed, 26 Mar
07:50 - 09:10LHR-DUB
1h 20mdirect
19:45 - 21:05DUB-LHR
1h 20mdirect
$197Aer Lingus
Find Deal
Thu, 20 Feb - Fri, 21 Feb
09:50 - 11:15LHR-DUB
1h 25mdirect
08:55 - 10:20DUB-LHR
1h 25mdirect
$201Aer Lingus
Find Deal
Tue, 4 Feb - Mon, 10 Feb
12:05 - 17:25LHR-DUB
5h 20m1 stop
20:30 - 21:50DUB-LHR
1h 20mdirect
Wed, 12 Mar - Wed, 26 Mar
06:30 - 12:40LHR-DUB
6h 10m1 stop
06:00 - 10:30DUB-LHR
4h 30m1 stop
Fri, 28 Feb - Sun, 2 Mar
17:50 - 22:05LHR-DUB
4h 15m1 stop
13:25 - 19:15DUB-LHR
5h 50m1 stop
$284KLM
Find Deal
Mon, 10 Feb - Tue, 18 Feb
17:50 - 22:05LHR-DUB
4h 15m1 stop
13:25 - 19:15DUB-LHR
5h 50m1 stop
$286KLM
Find Deal
Sat, 1 Mar - Mon, 3 Mar
06:00 - 17:50LHR-DUB
11h 50m1 stop
18:40 - 17:50DUB-LHR
23h 10m1 stop
$358SWISS
Find Deal
Thu, 24 Apr - Wed, 30 Apr
07:00 - 17:50LHR-DUB
10h 50m2 stops
18:40 - 08:05DUB-LHR
13h 25m1 stop
$379SWISS
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Wed, 5 Mar - Wed, 12 Mar
06:30 - 07:55LHR-DUB
1h 25mdirect
$91British Airways
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Tue, 25 Mar
06:15 - 07:40LHR-DUB
1h 25mdirect
$95British Airways
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Sat, 19 Apr
06:15 - 07:40LHR-DUB
1h 25mdirect
$96British Airways
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Sat, 19 Apr
20:45 - 22:05LHR-DUB
1h 20mdirect
$104Aer Lingus
Find Deal
Sat, 15 Feb
15:15 - 07:55LHR-DUB
16h 40m1 stop
$107Vueling
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Wed, 26 Feb
20:50 - 09:10LHR-DUB
12h 20m1 stop
$111Vueling
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Tue, 8 Apr
09:50 - 11:15LHR-DUB
1h 25mdirect
$120Aer Lingus
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Wed, 29 Jan
08:40 - 12:40LHR-DUB
4h 00m1 stop
$181KLM
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Wed, 26 Mar
19:40 - 10:15LHR-DUB
14h 35m1 stop
$183Iberia
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Tue, 4 Feb
11:15 - 16:40LHR-DUB
5h 25m1 stop
$184KLM
Find Deal
Sat, 8 Mar
15:30 - 17:00LHR-DUB
1h 30mdirect
20:35 - 21:55DUB-LHR
1h 20mdirect
$245British Airways
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Sat, 25 Jan - Sat, 25 Jan
15:30 - 17:00LHR-DUB
1h 30mdirect
20:35 - 21:55DUB-LHR
1h 20mdirect
$253British Airways
Find Deal
Sat, 25 Jan - Sat, 25 Jan
06:30 - 12:40LHR-DUB
6h 10m1 stop
05:55 - 12:05DUB-LHR
6h 10m1 stop
$379KLM
Find Deal
Sat, 25 Jan - Sun, 26 Jan
06:00 - 12:05LHR-DUB
6h 05m1 stop
18:40 - 13:00DUB-LHR
18h 20m1 stop
$424SWISS
Find Deal
Wed, 22 Jan - Wed, 29 Jan
11:45 - 16:40LHR-DUB
4h 55m1 stop
05:55 - 12:05DUB-LHR
6h 10m1 stop
$441KLM
Find Deal
Thu, 23 Jan - Sun, 26 Jan
06:00 - 12:05LHR-DUB
6h 05m1 stop
18:40 - 17:50DUB-LHR
23h 10m1 stop
$549SWISS
Find Deal
Wed, 22 Jan - Fri, 24 Jan
11:30 - 16:40LHR-DUB
5h 10m1 stop
05:00 - 09:45DUB-LHR
4h 45m1 stop
$605Lufthansa
Find Deal
Thu, 23 Jan - Wed, 29 Jan
12:05 - 17:50LHR-DUB
5h 45m1 stop
05:00 - 09:45DUB-LHR
4h 45m1 stop
Fri, 24 Jan - Sun, 26 Jan
12:05 - 17:50LHR-DUB
5h 45m1 stop
11:50 - 18:45DUB-LHR
6h 55m1 stop
Fri, 24 Jan - Mon, 27 Jan
16:30 - 22:50LHR-DUB
6h 20m1 stop
05:00 - 09:45DUB-LHR
4h 45m1 stop
$646Lufthansa
Find Deal
Thu, 23 Jan - Sat, 25 Jan
18:25 - 19:45LHR-DUB
1h 20mdirect
20:30 - 21:50DUB-LHR
1h 20mdirect
$127British Airways
Find Deal
Sat, 1 Mar - Mon, 3 Mar
06:30 - 07:55LHR-DUB
1h 25mdirect
20:30 - 21:50DUB-LHR
1h 20mdirect
$141British Airways
Find Deal
Wed, 12 Mar - Wed, 26 Mar
06:20 - 07:45LHR-DUB
1h 25mdirect
12:45 - 14:15DUB-LHR
1h 30mdirect
$148British Airways
Find Deal
Mon, 30 Jun - Wed, 9 Jul
06:30 - 07:55LHR-DUB
1h 25mdirect
20:30 - 21:50DUB-LHR
1h 20mdirect
$151British Airways
Find Deal
Mon, 3 Mar - Tue, 4 Mar
06:30 - 07:55LHR-DUB
1h 25mdirect
17:50 - 19:10DUB-LHR
1h 20mdirect
$152British Airways
Find Deal
Wed, 5 Mar - Sat, 8 Mar
06:30 - 07:55LHR-DUB
1h 25mdirect
10:55 - 12:30DUB-LHR
1h 35mdirect
$154British Airways
Find Deal
Mon, 3 Mar - Tue, 4 Mar
06:30 - 07:55LHR-DUB
1h 25mdirect
17:50 - 19:10DUB-LHR
1h 20mdirect
$156British Airways
Find Deal
Tue, 4 Mar - Sat, 8 Mar
15:30 - 17:00LHR-DUB
1h 30mdirect
20:30 - 21:50DUB-LHR
1h 20mdirect
$157British Airways
Find Deal
Sat, 22 Feb - Mon, 24 Feb
07:50 - 09:10LHR-DUB
1h 20mdirect
19:45 - 21:05DUB-LHR
1h 20mdirect
$197Aer Lingus
Find Deal
Thu, 20 Feb - Fri, 21 Feb
09:50 - 11:15LHR-DUB
1h 25mdirect
08:55 - 10:20DUB-LHR
1h 25mdirect
$201Aer Lingus
Find Deal
Tue, 4 Feb - Mon, 10 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
1 Mar
LHR18:25London Heathrow
1h 20m
DUB19:45Dublin
3 Mar
DUB20:30Dublin
1h 20m
LHR21:50London Heathrow
British Airways
12 Mar
LHR06:30London Heathrow
1h 25m
DUB07:55Dublin
26 Mar
DUB20:30Dublin
1h 20m
LHR21:50London Heathrow
British Airways
30 June
LHR06:20London Heathrow
1h 25m
DUB07:45Dublin
9 July
DUB12:45Dublin
1h 30m
LHR14:15London Heathrow

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 Feb
LHR07:50London Heathrow
1h 20m
DUB09:10Dublin
21 Feb
DUB19:45Dublin
1h 20m
LHR21:05London Heathrow
Aer Lingus
4 Feb
LHR09:50London Heathrow
1h 25m
DUB11:15Dublin
10 Feb
DUB08:55Dublin
1h 25m
LHR10:20London Heathrow
Aer Lingus
3 Feb
LHR07:50London Heathrow
1h 20m
DUB09:10Dublin
10 Feb
DUB19:45Dublin
1h 15m
LHR21:00London Heathrow

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?

The month of February is, on average, the cheapest month to fly to Dublin from London Heathrow Airport, with most prices found around $180. If you are unable to visit Dublin during the month of February, then departing from London Heathrow Airport during the month January is also very affordable. Most momondo users find prices during this month for around $199.

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 Thursday. Travellers who choose to depart for Dublin on a Thursday will often find tickets for as low as $155. 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 $221.

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 $156. Flying to Dublin in the evening is an ideal time because this is during off-peak travel hours. Flights to Dublin are more costly in the morning, with an average ticket price of $193. Departure times in the morning 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 25 weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around $236 when searching 25 weeks out.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 $176 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 January 2025, prices for London Heathrow Airport to Dublin flights are approximately 26% 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

$91

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 $91. The best return flight deal from London Heathrow Airport to Dublin found on momondo in the last 72 hours is $127.
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)

  • 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 20m.

  • 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?

  • 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?

  • 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 $106Free cancellationRating
6.6
6,834 reviews
Search British Airways flights
Aer LingusPriceFrom $204Free cancellationRating
7.1
1,082 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 $127 round-trip. Over the 81 Aer Lingus flights for this route in a normal week, average airfare is usually $167 round-trip - but some users have found much cheaper deals with momondo.

  • British Airways Flights From London Heathrow Airport to Dublin

    British Airways (6.6/10 from 6,834 reviews) operates around 76 flights from London Heathrow Airport to Dublin in any given week. The average British Airways airfare for this route is around $112, with deals from around $66 rare but found on momondo. Referenced prices are for round-trip London Heathrow Airport to Dublin flight searches in the last 72 hours.


Travelling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Kilkenny
Athlone
Leixlip
Castleknock
Cavan
Malahide
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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