฿2,145 Cheap Flights from Dublin (DUB) to London (LHR)

View ฿2,145 flight on Sat, 21 Mar 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at ฿2,145 for one-way flights and ฿4,580 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Fri, 23 Jan - Thu, 29 Jan
DUB
Dublin
LHR
London
฿4,580 Return, found 5 hours ago
฿4,580
Return
found 5 hours ago
Select British Airways flight, departing Fri, 23 Jan from Dublin to London, returning Thu, 29 Jan, priced at ฿4,580 found 5 hours ago
British Airways
Fri, 23 Jan - Sun, 25 Jan
DUB
Dublin
LHR
London
฿4,765 Return, found 5 days ago
฿4,765
Return
found 5 days ago
Select British Airways flight, departing Fri, 23 Jan from Dublin to London, returning Sun, 25 Jan, priced at ฿4,765 found 5 days ago
British Airways
Fri, 23 Jan - Thu, 29 Jan
DUB
Dublin
LHR
London
฿4,770 Return, found 5 hours ago
฿4,770
Return
found 5 hours ago
Select British Airways flight, departing Fri, 23 Jan from Dublin to London, returning Thu, 29 Jan, priced at ฿4,770 found 5 hours ago
British Airways
Fri, 23 Jan - Sun, 25 Jan
DUB
Dublin
LHR
London
฿4,955 Return, found 5 days ago
฿4,955
Return
found 5 days ago
Select British Airways flight, departing Fri, 23 Jan from Dublin to London, returning Sun, 25 Jan, priced at ฿4,955 found 5 days ago
British Airways
Fri, 23 Jan - Thu, 29 Jan
DUB
Dublin
LHR
London
฿5,000 Return, found 5 hours ago
฿5,000
Return
found 5 hours ago
Select British Airways flight, departing Fri, 23 Jan from Dublin to London, returning Thu, 29 Jan, priced at ฿5,000 found 5 hours ago
British Airways
Fri, 23 Jan - Sun, 25 Jan
DUB
Dublin
LHR
London
฿5,015 Return, found 5 days ago
฿5,015
Return
found 5 days ago
Select British Airways flight, departing Fri, 23 Jan from Dublin to London, returning Sun, 25 Jan, priced at ฿5,015 found 5 days ago
Aer Lingus
Fri, 5 Dec - Sun, 7 Dec
DUB
Dublin
LHR
London
฿6,180 Return, found 5 days ago
฿6,180
Return
found 5 days ago
Select Aer Lingus flight, departing Fri, 5 Dec from Dublin to London, returning Sun, 7 Dec, priced at ฿6,180 found 5 days ago
KLM
Fri, 23 Jan - Thu, 29 Jan
DUB
Dublin
LHR
London
฿8,320 Return, found 5 hours ago
฿8,320
Return
found 5 hours ago
Select KLM flight, departing Fri, 23 Jan from Dublin to London, returning Thu, 29 Jan, priced at ฿8,320 found 5 hours ago
Swiss International Air Lines
Fri, 23 Jan - Thu, 29 Jan
DUB
Dublin
LHR
London
฿10,010 Return, found 5 hours ago
฿10,010
Return
found 5 hours ago
Select Swiss International Air Lines flight, departing Fri, 23 Jan from Dublin to London, returning Thu, 29 Jan, priced at ฿10,010 found 5 hours ago
Lufthansa
Fri, 21 Nov - Sun, 23 Nov
DUB
Dublin
LHR
London
฿10,475 Return, found 5 days ago
฿10,475
Return
found 5 days ago
Select Lufthansa flight, departing Fri, 21 Nov from Dublin to London, returning Sun, 23 Nov, priced at ฿10,475 found 5 days ago

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

March is typically the cheapest month to fly

From ฿2,395 - ฿5,760 per traveller.

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 ฿4,580. 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.

Travel information

Origin airport
Dublin
Destination airport
Heathrow
Return price
฿4,580
Distance
445 km
Average flight time
1 hour 20 mins

Book with confidence

Perfect flights from Dublin to London

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Dublin to London. 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 Dublin to Heathrow ticket options cater to your travel preferences, with incredible one-way fares from ฿2,145 and roundtrip prices from ฿4,580. 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 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 London.
Perfect flights from Dublin to London

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