S$120 Cheap Flights from London to Dublin

View S$120 flight on Sat, 22 Nov, 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 S$120 for one-way flights and S$178 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Sat, 30 Aug - Wed, 10 Sep
LHR
London
DUB
Dublin
S$178 Return, found 2 days ago
S$178
Return
found 2 days ago
Select British Airways flight, departing Sat, 30 Aug from London to Dublin, returning Wed, 10 Sep, priced at S$178 found 2 days ago
British Airways
Thu, 14 Aug - Tue, 19 Aug
LHR
London
DUB
Dublin
S$185 Return, found 2 days ago
S$185
Return
found 2 days ago
Select British Airways flight, departing Thu, 14 Aug from London to Dublin, returning Tue, 19 Aug, priced at S$185 found 2 days ago
British Airways
Sat, 20 Sep - Tue, 23 Sep
LHR
London
DUB
Dublin
S$190 Return, found 2 days ago
S$190
Return
found 2 days ago
Select British Airways flight, departing Sat, 20 Sep from London to Dublin, returning Tue, 23 Sep, priced at S$190 found 2 days ago
British Airways
Sat, 20 Sep - Tue, 23 Sep
LHR
London
DUB
Dublin
S$197 Return, found 2 days ago
S$197
Return
found 2 days ago
Select British Airways flight, departing Sat, 20 Sep from London to Dublin, returning Tue, 23 Sep, priced at S$197 found 2 days ago
British Airways
Thu, 14 Aug - Tue, 19 Aug
LHR
London
DUB
Dublin
S$201 Return, found 2 days ago
S$201
Return
found 2 days ago
Select British Airways flight, departing Thu, 14 Aug from London to Dublin, returning Tue, 19 Aug, priced at S$201 found 2 days ago
British Airways
Sat, 30 Aug - Wed, 10 Sep
LHR
London
DUB
Dublin
S$204 Return, found 2 days ago
S$204
Return
found 2 days ago
Select British Airways flight, departing Sat, 30 Aug from London to Dublin, returning Wed, 10 Sep, priced at S$204 found 2 days ago
Aer Lingus
Sat, 22 Nov - Thu, 27 Nov
LHR
London
DUB
Dublin
S$329 Return, found 1 day ago
S$329
Return
found 1 day ago
Select Aer Lingus flight, departing Sat, 22 Nov from London to Dublin, returning Thu, 27 Nov, priced at S$329 found 1 day ago
KLM
Sat, 22 Nov - Thu, 27 Nov
LHR
London
DUB
Dublin
S$353 Return, found 1 day ago
S$353
Return
found 1 day ago
Select KLM flight, departing Sat, 22 Nov from London to Dublin, returning Thu, 27 Nov, priced at S$353 found 1 day ago
Eurowings
Mon, 11 Aug - Thu, 14 Aug
LHR
London
DUB
Dublin
S$402 Return, found 4 days ago
S$402
Return
found 4 days ago
Select Eurowings flight, departing Mon, 11 Aug from London to Dublin, returning Thu, 14 Aug, priced at S$402 found 4 days ago
Air France
Wed, 13 Aug - Wed, 20 Aug
LHR
London
DUB
Dublin
S$420 Return, just found
S$420
Return
just found
Select Air France flight, departing Wed, 13 Aug from London to Dublin, returning Wed, 20 Aug, priced at S$420 just found

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

January is typically the cheapest month to fly

From S$85 - S$184 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
S$177
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, Aer Lingus, Eurowings, 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 S$120 and roundtrip prices from S$178*.
 

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 Dublin. 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 S$178. 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
S$302.50
Gatwick to Dublin
S$433.10
*Available to Expedia members.