RM380 Cheap Flights from London (LHR) to Dublin (DUB)

View RM380 flight on Sat, 14 Mar 2026Opens in a new window

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

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from London to Dublin (LHR-DUB)

Prices were available within the past 7 days and start at RM380 for one-way flights and RM669 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Mon, 11 May - Sat, 23 May
LHR
London
DUB
Dublin
RM669 Return, found 6 days ago
RM669
Return
found 6 days ago
Select British Airways flight, departing Mon, 11 May from London to Dublin, returning Sat, 23 May, priced at RM669 found 6 days ago
British Airways
Mon, 11 May - Sat, 23 May
LHR
London
DUB
Dublin
RM724 Return, found 6 days ago
RM724
Return
found 6 days ago
Select British Airways flight, departing Mon, 11 May from London to Dublin, returning Sat, 23 May, priced at RM724 found 6 days ago
British Airways
Mon, 11 May - Sat, 23 May
LHR
London
DUB
Dublin
RM774 Return, found 6 days ago
RM774
Return
found 6 days ago
Select British Airways flight, departing Mon, 11 May from London to Dublin, returning Sat, 23 May, priced at RM774 found 6 days ago
British Airways
Mon, 11 May - Sat, 23 May
LHR
London
DUB
Dublin
RM823 Return, found 6 days ago
RM823
Return
found 6 days ago
Select British Airways flight, departing Mon, 11 May from London to Dublin, returning Sat, 23 May, priced at RM823 found 6 days ago
British Airways
Mon, 11 May - Sat, 23 May
LHR
London
DUB
Dublin
RM831 Return, found 6 days ago
RM831
Return
found 6 days ago
Select British Airways flight, departing Mon, 11 May from London to Dublin, returning Sat, 23 May, priced at RM831 found 6 days ago
British Airways
Mon, 11 May - Sat, 23 May
LHR
London
DUB
Dublin
RM834 Return, found 6 days ago
RM834
Return
found 6 days ago
Select British Airways flight, departing Mon, 11 May from London to Dublin, returning Sat, 23 May, priced at RM834 found 6 days ago
Aer Lingus
Thu, 22 Jan - Sun, 25 Jan
LHR
London
DUB
Dublin
RM1,047 Return, found 3 days ago
RM1,047
Return
found 3 days ago
Select Aer Lingus flight, departing Thu, 22 Jan from London to Dublin, returning Sun, 25 Jan, priced at RM1,047 found 3 days ago
KLM
Thu, 22 Jan - Sun, 25 Jan
LHR
London
DUB
Dublin
RM1,128 Return, found 3 days ago
RM1,128
Return
found 3 days ago
Select KLM flight, departing Thu, 22 Jan from London to Dublin, returning Sun, 25 Jan, priced at RM1,128 found 3 days ago
Air France
Thu, 22 Jan - Sun, 25 Jan
LHR
London
DUB
Dublin
RM1,129 Return, found 3 days ago
RM1,129
Return
found 3 days ago
Select Air France flight, departing Thu, 22 Jan from London to Dublin, returning Sun, 25 Jan, priced at RM1,129 found 3 days ago
Swiss International Air Lines
Thu, 5 Feb - Mon, 9 Feb
LHR
London
DUB
Dublin
RM1,235 Return, found 5 days ago
RM1,235
Return
found 5 days ago
Select Swiss International Air Lines flight, departing Thu, 5 Feb from London to Dublin, returning Mon, 9 Feb, priced at RM1,235 found 5 days ago

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

January is typically the cheapest month to fly

From RM 354 - RM 571 per traveller.
London to Dublin route information
Origin airport
Heathrow
Destination airport
Dublin
Airlines serving
Aer Lingus, Air France, British Airways, KLM, Lufthansa
Return price
RM669
Distance
445 km
Average flight time
1 hour 22 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, Aer Lingus, Eurowings, KLM, Air France, Swiss International Air Lines. 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 RM380 and roundtrip prices from RM669*.
 

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 RM669. 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.