€43 Cheap Flights Dublin to London (DUB-LHR)

View €43 flight on Wed, 19 Nov 2025Opens in a new window

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

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Cheap flights from Dublin to London (DUB-LHR)

Prices were available within the past 7 days and start at €43 for one-way flights and €87 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Wed, 4 Mar - Sat, 7 Mar
DUB
Dublin
LHR
London
€87 Return, found 6 days ago
€87
Return
found 6 days ago
Select British Airways flight, departing Wed, 4 Mar from Dublin to London, returning Sat, 7 Mar, priced at €87 found 6 days ago
British Airways
Thu, 5 Feb - Sat, 7 Feb
DUB
Dublin
LHR
London
€88 Return, found 5 hours ago
€88
Return
found 5 hours ago
Select British Airways flight, departing Thu, 5 Feb from Dublin to London, returning Sat, 7 Feb, priced at €88 found 5 hours ago
British Airways
Thu, 5 Feb - Mon, 9 Feb
DUB
Dublin
LHR
London
€89 Return, found 2 hours ago
€89
Return
found 2 hours ago
Select British Airways flight, departing Thu, 5 Feb from Dublin to London, returning Mon, 9 Feb, priced at €89 found 2 hours ago
British Airways
Tue, 16 Dec - Thu, 18 Dec
DUB
Dublin
LHR
London
€91 Return, found 2 hours ago
€91
Return
found 2 hours ago
Select British Airways flight, departing Tue, 16 Dec from Dublin to London, returning Thu, 18 Dec, priced at €91 found 2 hours ago
British Airways
Thu, 6 Nov - Mon, 10 Nov
DUB
Dublin
LHR
London
€92 Return, just found
€92
Return
just found
Select British Airways flight, departing Thu, 6 Nov from Dublin to London, returning Mon, 10 Nov, priced at €92 just found
British Airways
Thu, 5 Feb - Mon, 9 Feb
DUB
Dublin
LHR
London
€93 Return, found 2 hours ago
€93
Return
found 2 hours ago
Select British Airways flight, departing Thu, 5 Feb from Dublin to London, returning Mon, 9 Feb, priced at €93 found 2 hours ago
Aer Lingus
Mon, 13 Oct - Sat, 18 Oct
DUB
Dublin
LHR
London
€93 Return, found 2 hours ago
€93
Return
found 2 hours ago
Select Aer Lingus flight, departing Mon, 13 Oct from Dublin to London, returning Sat, 18 Oct, priced at €93 found 2 hours ago
Scandinavian Airlines
Mon, 8 Dec - Tue, 9 Dec
DUB
Dublin
LHR
London
€163 Return, found 5 hours ago
€163
Return
found 5 hours ago
Select Scandinavian Airlines flight, departing Mon, 8 Dec from Dublin to London, returning Tue, 9 Dec, priced at €163 found 5 hours ago
Swiss International Air Lines
Wed, 26 Nov - Fri, 12 Dec
DUB
Dublin
LHR
London
€190 Return, found 14 hours ago
€190
Return
found 14 hours ago
Select Swiss International Air Lines flight, departing Wed, 26 Nov from Dublin to London, returning Fri, 12 Dec, priced at €190 found 14 hours ago
Lufthansa
Wed, 12 Nov - Sat, 15 Nov
DUB
Dublin
LHR
London
€199 Return, found 4 hours ago
€199
Return
found 4 hours ago
Select Lufthansa flight, departing Wed, 12 Nov from Dublin to London, returning Sat, 15 Nov, priced at €199 found 4 hours ago

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

February is typically the cheapest month to fly

From €63 - €119 per traveller.
Dublin to London route information
Origin airport
Dublin
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air France, British Airways, Eurowings, Iberia, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines
Return price
€87
Distance
445 km
Average flight time
1 hour 22 mins

Perfect flights from Dublin to London

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Picture yourself strolling through the streets of London, 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 Dublin to Heathrow ticket options cater to your travel preferences, with incredible one-way fares from €43 and roundtrip prices from €87. 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 Heathrow and explore London 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 DUB to LHR travel arrangements today and embark on the journey of a lifetime in London.

Frequently asked questions

How much is a flight from DUB to Heathrow Airport?
Based on fares offered within the last 7 days on Expedia for flights departing within the next year, round-trip flights from Dublin Airport to Heathrow Airport start from €87. Book ASAP to score the best price for your journey. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Dublin Airport (DUB) to Heathrow Airport?
We understand that things crop up unexpectedly, so we've made it as hassle-free as possible for you to cancel your flight online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from Dublin Airport (DUB) to LHR 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 Dublin Airport (DUB) to Heathrow Airport (LHR) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Dublin Airport to Heathrow Airport (LHR)?
A flight distance of just 450 kilometres separates Corballis and Hounslow. Once you're up in the skies, you won't get a chance to do much more than flip through the pages of the in-flight magazine.
Which airlines fly direct from Dublin Airport to Heathrow Airport (LHR)?
One airline that flies from Dublin Airport (DUB) to Heathrow Airport is Aer Lingus (EI). It offers 282 flights a month. Love some more options? Check out what's available with British Airways (BA). This carrier offers 234 flights a month between these destinations.
Are Dublin Airport (DUB) to London Heathrow flight tickets cheaper when they're purchased at the last minute?
Flight prices fluctuate, so there are no guarantees. While last-minute deals between Dublin Airport and London Heathrow are possible, it also makes sense to keep a close eye on prices well before you fly. In fact, some carriers publicize their prices up to 12 months ahead of the departure date. Expedia is continuously updating the best airfare bargains around, so keep checking and be ready to secure your seat when fare prices drop.

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