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Cheap flights from London Heathrow Airport to Dublin from £47

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 round-trip train or bus tickets from London Heathrow Airport to Dublin.

All round-trip flight deals to Dublin

The cheapest plane tickets to Dublin found on KAYAK recently.
18:25 - 19:45LHR-DUB
1h 20mdirect
20:35 - 21:55DUB-LHR
1h 20mdirect
£62British Airways
Find Deal
Sat, 1 Feb - Sat, 8 Feb
18:25 - 19:45LHR-DUB
1h 20mdirect
20:35 - 21:55DUB-LHR
1h 20mdirect
£69British Airways
Find Deal
Sat, 1 Feb - Sat, 8 Feb
15:30 - 17:00LHR-DUB
1h 30mdirect
08:40 - 10:15DUB-LHR
1h 35mdirect
£71British Airways
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Sat, 22 Feb - Tue, 25 Feb
15:15 - 23:35LHR-DUB
8h 20m1 stop
20:30 - 21:50DUB-LHR
1h 20mdirect
Thu, 23 Jan - Mon, 27 Jan
06:30 - 07:55LHR-DUB
1h 25mdirect
19:45 - 21:00DUB-LHR
1h 15mdirect
Sat, 4 Jan - Mon, 6 Jan
19:45 - 21:05LHR-DUB
1h 20mdirect
14:15 - 15:35DUB-LHR
1h 20mdirect
£112Aer Lingus
Find Deal
Fri, 3 Jan - Fri, 10 Jan
16:20 - 17:45LHR-DUB
1h 25mdirect
16:30 - 17:50DUB-LHR
1h 20mdirect
£113Aer Lingus
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Tue, 7 Jan - Thu, 23 Jan
14:05 - 22:05LHR-DUB
8h 00m1 stop
08:50 - 16:05DUB-LHR
7h 15m1 stop
£141KLM
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Sat, 25 Jan - Sun, 26 Jan
11:30 - 22:50LHR-DUB
11h 20m1 stop
06:00 - 10:30DUB-LHR
4h 30m1 stop
£143Air France
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Wed, 22 Jan - Wed, 29 Jan
11:45 - 16:40LHR-DUB
4h 55m1 stop
08:50 - 13:50DUB-LHR
5h 00m1 stop
£144KLM
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Fri, 10 Jan - Mon, 13 Jan
06:30 - 07:55LHR-DUB
1h 25mdirect
£47British Airways
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Tue, 25 Mar
06:30 - 07:55LHR-DUB
1h 25mdirect
£48British Airways
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Thu, 20 Mar
08:50 - 10:15LHR-DUB
1h 25mdirect
£62Aer Lingus
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Tue, 28 Jan
15:15 - 09:05LHR-DUB
17h 50m1 stop
£62Vueling
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Fri, 31 Jan
19:45 - 21:05LHR-DUB
1h 20mdirect
£67Aer Lingus
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Mon, 13 Jan
15:15 - 07:55LHR-DUB
16h 40m1 stop
£70Vueling
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Wed, 15 Jan
15:15 - 10:05LHR-DUB
18h 50m1 stop
Thu, 16 Jan
07:15 - 00:40LHR-DUB
17h 25m1 stop
Mon, 14 Apr
20:25 - 08:05LHR-DUB
11h 40m1 stop
£83KLM
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Fri, 17 Jan
08:40 - 12:40LHR-DUB
4h 00m1 stop
£91KLM
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Tue, 4 Feb
06:20 - 16:50LHR-DUB
10h 30m1 stop
14:10 - 18:00DUB-LHR
3h 50m1 stop
Mon, 23 Dec - Mon, 30 Dec
17:35 - 22:35LHR-DUB
5h 00m1 stop
06:00 - 13:45DUB-LHR
7h 45m1 stop
£207Air France
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Thu, 19 Dec - Wed, 22 Jan
20:45 - 11:30LHR-DUB
14h 45m1 stop
20:30 - 21:50DUB-LHR
1h 20mdirect
£211British Airways
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Thu, 19 Dec - Wed, 22 Jan
20:45 - 22:05LHR-DUB
1h 20mdirect
07:40 - 09:05DUB-LHR
1h 25mdirect
£232British Airways
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Sat, 21 Dec - Sun, 5 Jan
17:50 - 22:05LHR-DUB
4h 15m1 stop
13:25 - 20:50DUB-LHR
7h 25m1 stop
£256KLM
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Fri, 20 Dec - Sun, 22 Dec
14:15 - 15:40LHR-DUB
1h 25mdirect
19:45 - 21:00DUB-LHR
1h 15mdirect
£265Aer Lingus
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Sun, 22 Dec - Mon, 23 Dec
17:50 - 22:05LHR-DUB
4h 15m1 stop
13:25 - 19:15DUB-LHR
5h 50m1 stop
£273KLM
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Fri, 20 Dec - Sun, 22 Dec
16:20 - 17:45LHR-DUB
1h 25mdirect
19:45 - 21:00DUB-LHR
1h 15mdirect
£301Aer Lingus
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Fri, 20 Dec - Mon, 23 Dec
08:30 - 16:40LHR-DUB
8h 10m1 stop
10:45 - 19:35DUB-LHR
8h 50m1 stop
£308Lufthansa
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Mon, 23 Dec - Thu, 26 Dec
11:30 - 16:40LHR-DUB
5h 10m1 stop
10:45 - 15:50DUB-LHR
5h 05m1 stop
£367Lufthansa
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Fri, 20 Dec - Mon, 23 Dec
18:25 - 19:45LHR-DUB
1h 20mdirect
20:35 - 21:55DUB-LHR
1h 20mdirect
£62British Airways
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Sat, 1 Feb - Sat, 8 Feb
18:25 - 19:45LHR-DUB
1h 20mdirect
20:35 - 21:55DUB-LHR
1h 20mdirect
£69British Airways
Find Deal
Sat, 1 Feb - Sat, 8 Feb
15:30 - 17:00LHR-DUB
1h 30mdirect
10:25 - 12:00DUB-LHR
1h 35mdirect
£71British Airways
Find Deal
Sat, 22 Feb - Wed, 26 Feb
06:30 - 07:55LHR-DUB
1h 25mdirect
10:25 - 12:00DUB-LHR
1h 35mdirect
£72British Airways
Find Deal
Tue, 18 Feb - Wed, 26 Feb
06:30 - 07:55LHR-DUB
1h 25mdirect
10:55 - 12:30DUB-LHR
1h 35mdirect
£73British Airways
Find Deal
Tue, 18 Feb - Tue, 4 Mar
06:30 - 07:55LHR-DUB
1h 25mdirect
16:05 - 17:30DUB-LHR
1h 25mdirect
£73British Airways
Find Deal
Sat, 4 Jan - Sat, 11 Jan
06:30 - 07:55LHR-DUB
1h 25mdirect
19:45 - 21:00DUB-LHR
1h 15mdirect
Sat, 4 Jan - Mon, 6 Jan
19:45 - 21:05LHR-DUB
1h 20mdirect
14:15 - 15:35DUB-LHR
1h 20mdirect
£112Aer Lingus
Find Deal
Fri, 3 Jan - Fri, 10 Jan
16:20 - 17:45LHR-DUB
1h 25mdirect
16:30 - 17:50DUB-LHR
1h 20mdirect
£113Aer Lingus
Find Deal
Tue, 7 Jan - Thu, 23 Jan
20:45 - 22:05LHR-DUB
1h 20mdirect
19:45 - 21:00DUB-LHR
1h 15mdirect
£115Aer Lingus
Find Deal
Sun, 29 Dec - Sun, 2 Mar

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 Feb
LHR18:25London Heathrow
1h 20m
DUB19:45Dublin
8 Feb
DUB20:35Dublin
1h 20m
LHR21:55London Heathrow
British Airways
1 Feb
LHR18:25London Heathrow
1h 20m
DUB19:45Dublin
8 Feb
DUB20:35Dublin
1h 20m
LHR21:55London Heathrow
British Airways
22 Feb
LHR15:30London Heathrow
1h 30m
DUB17:00Dublin
25 Feb
DUB08:40Dublin
1h 35m
LHR10:15London 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
3 Jan
LHR19:45London Heathrow
1h 20m
DUB21:05Dublin
10 Jan
DUB14:15Dublin
1h 20m
LHR15:35London Heathrow
Aer Lingus
7 Jan
LHR16:20London Heathrow
1h 25m
DUB17:45Dublin
23 Jan
DUB16:30Dublin
1h 20m
LHR17:50London Heathrow
Aer Lingus
9 Jan
LHR15:10London Heathrow
1h 25m
DUB16:35Dublin
10 Jan
DUB07:40Dublin
1h 25m
LHR09:05London 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 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 £53. If you aren’t able to travel to Dublin during the month of January, then flying in September is also cheap. Prices for this month can be found on momondo for an average of £55.

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 Tuesday. momondo users have found tickets for Tuesday departures for as low as £70. 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 Friday because tickets tend to average around £101. 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 morning is the least expensive time of day to depart. momondo users have found prices as low as £82 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £91 on average. Flights to Dublin from London Heathrow Airport in the afternoon 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 52 days ahead of your departure date. In general, you can expect to find flights to Dublin for around £112 when searching 52 days out. In the past 72 hours, momondo users found flights from London Heathrow Airport to Dublin for as low as £69.

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.

Can stopping save me money on London Heathrow Airport to Dublin flights?

You could potentially save up to 39% on your flight if you consider stops on a London Heathrow Airport to Dublin flight.

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

As of December 2024, prices for London Heathrow Airport to Dublin flights are approximately 24% 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

£47

Fastest flight time

1h 15m

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 £47. The best return flight deal from London Heathrow Airport to Dublin found on momondo in the last 72 hours is £62.
The fastest flight from London Heathrow Airport to Dublin takes 1h 15m
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 276.5 mi apart from one another. 1h 15m 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?

  • 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?

  • 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
RyanairPriceFrom £28Free CancellationRating
6.8
5,207 reviews
Search Ryanair flights
British AirwaysPriceFrom £55Free CancellationRating
6.6
6,817 reviews
Search British Airways flights
Aer LingusPriceFrom £96Free CancellationRating
7.1
1,078 reviews
Search Aer Lingus flights
  • Aer Lingus Flights From London Heathrow Airport to Dublin

    Aer Lingus flies from London Heathrow Airport to Dublin around 95 times per week, with 1,078 momondo users rating the airline 7.1/10. The cheapest Aer Lingus deal from London Heathrow Airport to Dublin in the last 72 hours was £122 (round-trip), much lower than the average airfare cost of £174 for Aer Lingus flights on this route.

  • British Airways Flights From London Heathrow Airport to Dublin

    £70 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 £128, however, with flight time and availability significantly affecting the price. British Airways (6.6/10 from 6,817 user reviews) flies into Dublin from London Heathrow Airport 82 times in an average week so prices can vary.


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.


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