฿2,980 Cheap Flights from London (LHR) to Dublin (DUB)

View ฿2,980 flight on Wed, 18 Mar 2026Opens 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 ฿2,980 for one-way flights and ฿4,910 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Mon, 11 May - Fri, 15 May
LHR
London
DUB
Dublin
฿4,910 Return, found 1 day ago
฿4,910
Return
found 1 day ago
Select British Airways flight, departing Mon, 11 May from London to Dublin, returning Fri, 15 May, priced at ฿4,910 found 1 day ago
British Airways
Sun, 10 May - Thu, 14 May
LHR
London
DUB
Dublin
฿4,925 Return, found 3 days ago
฿4,925
Return
found 3 days ago
Select British Airways flight, departing Sun, 10 May from London to Dublin, returning Thu, 14 May, priced at ฿4,925 found 3 days ago
British Airways
Sun, 10 May - Thu, 14 May
LHR
London
DUB
Dublin
฿5,315 Return, found 3 days ago
฿5,315
Return
found 3 days ago
Select British Airways flight, departing Sun, 10 May from London to Dublin, returning Thu, 14 May, priced at ฿5,315 found 3 days ago
British Airways
Sun, 10 May - Thu, 14 May
LHR
London
DUB
Dublin
฿5,700 Return, found 3 days ago
฿5,700
Return
found 3 days ago
Select British Airways flight, departing Sun, 10 May from London to Dublin, returning Thu, 14 May, priced at ฿5,700 found 3 days ago
British Airways
Mon, 11 May - Fri, 15 May
LHR
London
DUB
Dublin
฿5,730 Return, found 1 day ago
฿5,730
Return
found 1 day ago
Select British Airways flight, departing Mon, 11 May from London to Dublin, returning Fri, 15 May, priced at ฿5,730 found 1 day ago
British Airways
Thu, 2 Apr - Tue, 7 Apr
LHR
London
DUB
Dublin
฿5,735 Return, found 2 days ago
฿5,735
Return
found 2 days ago
Select British Airways flight, departing Thu, 2 Apr from London to Dublin, returning Tue, 7 Apr, priced at ฿5,735 found 2 days ago
Aer Lingus
Sat, 28 Feb - Sun, 1 Mar
LHR
London
DUB
Dublin
฿8,100 Return, found 1 day ago
฿8,100
Return
found 1 day ago
Select Aer Lingus flight, departing Sat, 28 Feb from London to Dublin, returning Sun, 1 Mar, priced at ฿8,100 found 1 day ago
KLM
Sat, 28 Feb - Sun, 1 Mar
LHR
London
DUB
Dublin
฿8,830 Return, found 1 day ago
฿8,830
Return
found 1 day ago
Select KLM flight, departing Sat, 28 Feb from London to Dublin, returning Sun, 1 Mar, priced at ฿8,830 found 1 day ago
Swiss International Air Lines
Thu, 5 Mar - Sun, 8 Mar
LHR
London
DUB
Dublin
฿11,205 Return, found 4 days ago
฿11,205
Return
found 4 days ago
Select Swiss International Air Lines flight, departing Thu, 5 Mar from London to Dublin, returning Sun, 8 Mar, priced at ฿11,205 found 4 days ago
Air France
Thu, 19 Mar - Sun, 22 Mar
LHR
London
DUB
Dublin
฿11,315 Return, found 5 days ago
฿11,315
Return
found 5 days ago
Select Air France flight, departing Thu, 19 Mar from London to Dublin, returning Sun, 22 Mar, priced at ฿11,315 found 5 days ago

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

November is typically the cheapest month to fly

From ฿2,783 - ฿4,254 per traveller.
Flight from London to Dublin route information
Origin airport
Heathrow
Destination airport
Dublin
Airlines serving
Aer Lingus, Air France, British Airways, Iberia, KLM, Lufthansa, Swiss International Air Lines
Return price
฿4,690
Distance
445 km
Average flight time
1 hour 22 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 , 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 ฿2,980 and roundtrip prices from ฿4,910. 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 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 to 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 ฿4,910. 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.
*Available to Expedia members.