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

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

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Frequently asked questions

How long does it take to fly from LHR to Dublin Airport (DUB)?
A direct flight with Aer Lingus takes roughly 1 hour and 10 minutes. Take the 7:40PM flight from Heathrow Airport (LHR) and reach DUB at 8:50PM. Walk away with an epic deal on this and many other routes when you use Expedia to arrange your trip.
Is it cheaper to buy a plane ticket from London Heathrow to Dublin Airport (DUB) last minute?
When it comes to booking your flights, it's better to be prepared. While you may be able to score a deal on a Heathrow Airport (LHR) to DUB flight at the last minute, prices usually don't get cheaper as the date of departure nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to lock in a domestic flight is between 28 – 35 days in advance. For international travel it's between three and four months.
What airline has the least delays from LHR to Dublin Airport (DUB)?
With an on-time performance score of 74%, Aer Lingus is the airline most likely to fly you from London Heathrow to Dublin Airport (DUB) without any interruptions. Flight delays aren't just irritating — they can also make you miss your connection or even ruin your vacation. You can keep updated by reviewing your flight status through the free Expedia App before you even reach the airport. If you're already at the terminal and you're worried about the knock-on effects, head to your airline's customer service desk to see what your options are.
What airports do you fly into for Dublin from London?
London to Dublin flights land at Dublin Airport (DUB). Put your bags down at your hotel and then head out to explore some of the city's leading sights, such as Aviva Stadium and Guinness Storehouse. The airport is approximately 10 kilometers north of downtown Dublin.
What are the most popular departure times for flights from LHR to DUB?
For Aer Lingus flights making their way from London Heathrow to Dublin Airport, the peak period is between 8:00 AM - 9:00 AM. If you want to avoid those frustrating delays, head out in the morning. This allows you to dodge the air traffic that builds up later in the day.
Can I change the date of my flight from Heathrow Airport (LHR) to Dublin Airport?
It's a cinch to make amendments to your Heathrow Airport (LHR) to Dublin Airport journey yourself. Access your details via the Expedia Trips portal and hit "change flight." Search for new flights and secure the one that fits your new plans. You'll see an estimate of applicable flight change fees. You can also find your way to our Customer Service portal to chat to our Virtual Agent and quickly get answers to your questions.

Travel information

Origin airport
Heathrow
Destination airport
Dublin
Distance
445 km
Average flight time
1 hour 22 mins

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London to Dublin Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from London to Dublin offer the perfect respite. Not only does exploring Dublin provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from London to Dublin may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from to today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of Dublin are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to Dublin more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Dublin is now!

London to Dublin Flights