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

View AU$122 flight on Sat, 20 Sep. 2025Opens in a new window

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

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

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

British Airways
Tue, 13 Jan. - Wed, 28 Jan.
LHR
London
DUB
Dublin
AU$204 Return, found 1 day ago
AU$204
Return
found 1 day ago
Select British Airways flight, departing Tue, 13 Jan. from London to Dublin, returning Wed, 28 Jan., priced at AU$204 found 1 day ago
British Airways
Tue, 16 Sep. - Thu, 2 Oct.
LHR
London
DUB
Dublin
AU$210 Return, found 1 day ago
AU$210
Return
found 1 day ago
Select British Airways flight, departing Tue, 16 Sep. from London to Dublin, returning Thu, 2 Oct., priced at AU$210 found 1 day ago
British Airways
Tue, 13 Jan. - Wed, 28 Jan.
LHR
London
DUB
Dublin
AU$213 Return, found 1 day ago
AU$213
Return
found 1 day ago
Select British Airways flight, departing Tue, 13 Jan. from London to Dublin, returning Wed, 28 Jan., priced at AU$213 found 1 day ago
British Airways
Mon, 20 Oct. - Sat, 8 Nov.
LHR
London
DUB
Dublin
AU$219 Return, found 9 hours ago
AU$219
Return
found 9 hours ago
Select British Airways flight, departing Mon, 20 Oct. from London to Dublin, returning Sat, 8 Nov., priced at AU$219 found 9 hours ago
British Airways
Tue, 16 Sep. - Thu, 2 Oct.
LHR
London
DUB
Dublin
AU$219 Return, found 1 day ago
AU$219
Return
found 1 day ago
Select British Airways flight, departing Tue, 16 Sep. from London to Dublin, returning Thu, 2 Oct., priced at AU$219 found 1 day ago
British Airways
Wed, 1 Oct. - Tue, 21 Oct.
LHR
London
DUB
Dublin
AU$225 Return, found 2 days ago
AU$225
Return
found 2 days ago
Select British Airways flight, departing Wed, 1 Oct. from London to Dublin, returning Tue, 21 Oct., priced at AU$225 found 2 days ago
Aer Lingus
Tue, 30 Sep. - Tue, 9 Dec.
LHR
London
DUB
Dublin
AU$248 Return, found 6 days ago
AU$248
Return
found 6 days ago
Select Aer Lingus flight, departing Tue, 30 Sep. from London to Dublin, returning Tue, 9 Dec., priced at AU$248 found 6 days ago
Scandinavian Airlines
Wed, 28 Jan. - Fri, 30 Jan.
LHR
London
DUB
Dublin
AU$315 Return, found 3 days ago
AU$315
Return
found 3 days ago
Select Scandinavian Airlines flight, departing Wed, 28 Jan. from London to Dublin, returning Fri, 30 Jan., priced at AU$315 found 3 days ago
Lufthansa
Mon, 10 Nov. - Thu, 20 Nov.
LHR
London
DUB
Dublin
AU$335 Return, found 1 day ago
AU$335
Return
found 1 day ago
Select Lufthansa flight, departing Mon, 10 Nov. from London to Dublin, returning Thu, 20 Nov., priced at AU$335 found 1 day ago
Swiss International Air Lines
Sat, 28 Feb. - Sat, 7 Mar.
LHR
London
DUB
Dublin
AU$370 Return, found 23 hours ago
AU$370
Return
found 23 hours ago
Select Swiss International Air Lines flight, departing Sat, 28 Feb. from London to Dublin, returning Sat, 7 Mar., priced at AU$370 found 23 hours ago

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

January is typically the cheapest month to fly

From AU$105 - AU$216 per traveller.

Graph displaying average flight prices per month

Flight from London to Dublin route information
Origin airport
Heathrow
Destination airport
Dublin
Airlines serving
Aer Lingus, Air France, British Airways, Eurowings Luftverkehrs, Iberia, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines
Return price
AU$203
Distance
445 km
Average flight time
1 hour 21 mins

Your quick guide to flights from London to Dublin

Pick up great flights from London to Dublin

With Expedia, you have your pick of 70 flights a day with 20 airlines covering flights from London to Dublin. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from London to Dublin that take around 1 hours.

Find cheap flights from London to Dublin

From the great flight deals with prices currently ranging from AU$204 to AU$370, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from London to Dublin around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Dublin is normally in January.

Reasons to book your flight from London to Dublin with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from London to Dublin across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Dublin right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

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 AU$204. 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
AU$356.30
Gatwick to Dublin
AU$362.50
Stansted to Dublin
AU$839.40
*Available to Expedia members.