RM392 Cheap Flights from London (LHR) to Dublin (DUB)

View RM392 flight on Tue, 23 Sep 2025Opens in a new window

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

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Cheap Flights from London to Dublin (LHR-DUB)

Prices were available within the past 7 days and start at RM392 for one-way flights and RM626 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Thu, 4 Sep - Wed, 10 Sep
LHR
London
DUB
Dublin
RM626 Return, found 3 days ago
RM626
Return
found 3 days ago
Select British Airways flight, departing Thu, 4 Sep from London to Dublin, returning Wed, 10 Sep, priced at RM626 found 3 days ago
British Airways
Thu, 28 Aug - Wed, 3 Sep
LHR
London
DUB
Dublin
RM627 Return, found 5 days ago
RM627
Return
found 5 days ago
Select British Airways flight, departing Thu, 28 Aug from London to Dublin, returning Wed, 3 Sep, priced at RM627 found 5 days ago
British Airways
Thu, 11 Sep - Wed, 17 Sep
LHR
London
DUB
Dublin
RM628 Return, found 5 days ago
RM628
Return
found 5 days ago
Select British Airways flight, departing Thu, 11 Sep from London to Dublin, returning Wed, 17 Sep, priced at RM628 found 5 days ago
British Airways
Thu, 4 Sep - Wed, 10 Sep
LHR
London
DUB
Dublin
RM648 Return, found 3 days ago
RM648
Return
found 3 days ago
Select British Airways flight, departing Thu, 4 Sep from London to Dublin, returning Wed, 10 Sep, priced at RM648 found 3 days ago
British Airways
Thu, 28 Aug - Wed, 3 Sep
LHR
London
DUB
Dublin
RM650 Return, found 5 days ago
RM650
Return
found 5 days ago
Select British Airways flight, departing Thu, 28 Aug from London to Dublin, returning Wed, 3 Sep, priced at RM650 found 5 days ago
British Airways
Thu, 11 Sep - Wed, 17 Sep
LHR
London
DUB
Dublin
RM651 Return, found 5 days ago
RM651
Return
found 5 days ago
Select British Airways flight, departing Thu, 11 Sep from London to Dublin, returning Wed, 17 Sep, priced at RM651 found 5 days ago
Aer Lingus
Tue, 23 Sep - Wed, 24 Sep
LHR
London
DUB
Dublin
RM1,097 Return, found 1 day ago
RM1,097
Return
found 1 day ago
Select Aer Lingus flight, departing Tue, 23 Sep from London to Dublin, returning Wed, 24 Sep, priced at RM1,097 found 1 day ago
KLM
Sun, 12 Oct - Fri, 17 Oct
LHR
London
DUB
Dublin
RM1,160 Return, found 18 hours ago
RM1,160
Return
found 18 hours ago
Select KLM flight, departing Sun, 12 Oct from London to Dublin, returning Fri, 17 Oct, priced at RM1,160 found 18 hours ago
Eurowings
Thu, 28 Aug - Wed, 3 Sep
LHR
London
DUB
Dublin
RM1,330 Return, found 5 days ago
RM1,330
Return
found 5 days ago
Select Eurowings flight, departing Thu, 28 Aug from London to Dublin, returning Wed, 3 Sep, priced at RM1,330 found 5 days ago
Air France
Wed, 10 Sep - Mon, 15 Sep
LHR
London
DUB
Dublin
RM1,518 Return, found 4 days ago
RM1,518
Return
found 4 days ago
Select Air France flight, departing Wed, 10 Sep from London to Dublin, returning Mon, 15 Sep, priced at RM1,518 found 4 days ago

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

January is typically the cheapest month to fly

From RM 287 - RM 601 per traveller.

Graph displaying average flight prices per month

London to Dublin route information
Origin airport
Heathrow
Destination airport
Dublin
Airlines serving
Aer Lingus, Air France, British Airways, Eurowings, Iberia, KLM, Lufthansa, Swiss International Air Lines
Return price
RM626
Distance
445 km
Average flight time
1 hour 21 mins

Perfect flights from London to Dublin

Your Journey from London to Dublin

Start your unforgettable journey with Expedia. Our broad selection of flights from London to Dublin caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including British Airways, Eurowings, Aer Lingus, Air France, KLM. Our selection of flights from Heathrow to Dublin caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with London to Dublin Flights

Experience the joy of finding cheap flights from Heathrow to Dublin that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from RM392 and roundtrip prices from RM626*.
 

Pre-Flight Essentials

Ensure a smooth journey from London to Dublin with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Dublin

Picture yourself stepping off the plane in Dublin and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your London to Dublin Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from London to Dublin.
 

Beyond the Flight – Exploring Dublin

With Expedia, your adventure extends beyond the flight. Explore Dublin at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from London to Dublin with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from London to Dublin with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

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 RM626. 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

*Available to Expedia members.