฿3,005 Cheap Flights from London (LHR) to Dublin (DUB)

View ฿3,005 flight on Sat, 20 Sep 2025Opens in a new window

Popular airlines from Heathrow Airport (LHR) to Dublin Airport (DUB)

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Cheap Flights from London (LHR) to Dublin (DUB)

Prices were available within the past 7 days and start at ฿3,005 for one-way flights and ฿4,790 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Sat, 20 Sep - Wed, 24 Sep
LHR
London
DUB
Dublin
฿4,790 Return, found 2 hours ago
฿4,790
Return
found 2 hours ago
Select British Airways flight, departing Sat, 20 Sep from London to Dublin, returning Wed, 24 Sep, priced at ฿4,790 found 2 hours ago
British Airways
Thu, 8 Jan - Thu, 15 Jan
LHR
London
DUB
Dublin
฿4,950 Return, found 2 days ago
฿4,950
Return
found 2 days ago
Select British Airways flight, departing Thu, 8 Jan from London to Dublin, returning Thu, 15 Jan, priced at ฿4,950 found 2 days ago
British Airways
Sat, 20 Sep - Wed, 24 Sep
LHR
London
DUB
Dublin
฿4,965 Return, found 2 hours ago
฿4,965
Return
found 2 hours ago
Select British Airways flight, departing Sat, 20 Sep from London to Dublin, returning Wed, 24 Sep, priced at ฿4,965 found 2 hours ago
British Airways
Sat, 20 Sep - Wed, 24 Sep
LHR
London
DUB
Dublin
฿5,115 Return, found 2 hours ago
฿5,115
Return
found 2 hours ago
Select British Airways flight, departing Sat, 20 Sep from London to Dublin, returning Wed, 24 Sep, priced at ฿5,115 found 2 hours ago
British Airways
Sun, 8 Feb - Sat, 14 Feb
LHR
London
DUB
Dublin
฿5,125 Return, found 2 days ago
฿5,125
Return
found 2 days ago
Select British Airways flight, departing Sun, 8 Feb from London to Dublin, returning Sat, 14 Feb, priced at ฿5,125 found 2 days ago
British Airways
Tue, 26 Aug - Thu, 28 Aug
LHR
London
DUB
Dublin
฿5,265 Return, found 2 days ago
฿5,265
Return
found 2 days ago
Select British Airways flight, departing Tue, 26 Aug from London to Dublin, returning Thu, 28 Aug, priced at ฿5,265 found 2 days ago
Aer Lingus
Sat, 20 Sep - Wed, 24 Sep
LHR
London
DUB
Dublin
฿8,520 Return, found 2 hours ago
฿8,520
Return
found 2 hours ago
Select Aer Lingus flight, departing Sat, 20 Sep from London to Dublin, returning Wed, 24 Sep, priced at ฿8,520 found 2 hours ago
KLM
Sat, 27 Dec - Sat, 3 Jan
LHR
London
DUB
Dublin
฿8,720 Return, found 2 days ago
฿8,720
Return
found 2 days ago
Select KLM flight, departing Sat, 27 Dec from London to Dublin, returning Sat, 3 Jan, priced at ฿8,720 found 2 days ago
Air France
Fri, 31 Oct - Sun, 2 Nov
LHR
London
DUB
Dublin
฿9,565 Return, found 22 hours ago
฿9,565
Return
found 22 hours ago
Select Air France flight, departing Fri, 31 Oct from London to Dublin, returning Sun, 2 Nov, priced at ฿9,565 found 22 hours ago
Eurowings
Tue, 28 Apr - Wed, 29 Apr
LHR
London
DUB
Dublin
฿9,809 Return, found 6 days ago
฿9,809
Return
found 6 days ago
Select Eurowings flight, departing Tue, 28 Apr from London to Dublin, returning Wed, 29 Apr, priced at ฿9,809 found 6 days ago

Find the cheapest month to fly from London (LHR) to Dublin (DUB)

January is typically the cheapest month to fly

From ฿2,201 - ฿4,617 per traveller.

Graph displaying average flight prices per month

Flight from London to Dublin route information
Origin airport
Heathrow
Destination airport
Dublin
Airlines serving
Aer Lingus, Air France, British Airways, Eurowings, KLM, Lufthansa, Swiss International Air Lines
Return price
฿4,790
Distance
445 km
Average flight time
1 hour 19 mins

Perfect flights from London to Dublin

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from London to Dublin. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of Dublin, surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Heathrow to Dublin ticket options cater to your travel preferences, with incredible one-way fares from ฿3,005 and roundtrip prices from ฿4,790. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Dublin and explore Dublin and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your LHR to DUB travel arrangements today and embark on the journey of a lifetime in Dublin.

Frequently asked questions

How much is a flight from Heathrow Airport to Dublin Airport (DUB)?
Based on fares offered within the last 7 days on Expedia for flights departing within the next year, round-trip flights between Heathrow Airport (LHR) and DUB start from ฿4,790. Book ASAP to get the best price for your adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from London Heathrow to DUB?
The majority of flights can be cancelled online, but whether you incur a fee varies between airlines. If you do have to cancel your getaway, follow the instructions in the Customer Service Portal.
How do I find cheap flights from Heathrow Airport (LHR) to DUB that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Heathrow Airport to DUB flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Heathrow Airport (LHR) to DUB?
That new movie you've been wanting to see will have to wait — the flight distance between LHR (LHR) and DUB (DUB) is only 450 kilometres. The captain will be telling you to put your seat upright for touchdown before you know it.
Which airlines fly direct from Heathrow Airport (LHR) to Dublin Airport?
A popular airline that services the route from Heathrow Airport to Dublin Airport is Aer Lingus (EI). It offers 282 flights monthly. Operating 234 flights each month along this route, British Airways (BA) is another good choice.
Are Heathrow Airport (LHR) to Dublin Airport (DUB) flight tickets cheaper when they're purchased at the last minute?
Flight prices from LHR to DUB are available up to 12 months prior to departure on Expedia. And although you may occasionally pick up a great last-minute deal, it's not something you should bank on. Also, booking your flights in advance means you'll have more choices — and you can avoid being wedged in the dreaded middle seat! We're always updating our fares to bring you the biggest bargains, so keep checking in for all the latest specials.

Explore a world of travel with Expedia

London Airports

London

London City to Dublin
฿7,675.00
Gatwick to Dublin
฿10,315.00
*Available to Expedia members.