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

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

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Frequently asked questions

How long does it take to fly from Dublin Airport (DUB) to London Heathrow?
With Aer Lingus, a direct flight takes about 1 hour and 20 minutes. Grab a seat on the 5:00PM flight from DUB and arrive at LHR at 6:20PM. Walk away with a top deal on this and other routes when you book with Expedia.
Is it cheaper to buy a plane ticket from Dublin Airport to Heathrow Airport last minute?
Being a spontaneous soul is a wonderful way to explore the world, but it's not always the cleverest way to nab a bargain flight. Consider booking your DUB to Heathrow Airport journey well in advance rather than leaving it to the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. You can unleash your spontaneous side when you reach Heathrow Airport!
What airline has the least delays from Dublin Airport to Heathrow Airport (LHR)?
Journey with Aer Lingus from DUB to LHR and land at the time listed on your ticket. This airline leads the way on this route, with an on-time rate of 72%. If there is a disruption to your flight, the free Expedia App is the ideal way to stay in the loop. Download it onto your device and get real-time trip alerts, from flight delays to gate changes and more.
What airports do you fly into for London from Dublin?
From Dublin, you can fly into London via Heathrow Airport (LHR), London City Airport (LCY) and Gatwick Airport (LGW). It's a good idea to check which airport is the best option for you before you make a decision. If you settle on Heathrow Airport (LHR), it's about 23 kilometers west of the downtown area. Use the cash you save when booking your ticket with Expedia to explore the city's awesome attractions, such as Big Ben and Buckingham Palace.
What are the most popular departure times for flights from Dublin Airport (DUB) to LHR?
Between 12:00 PM - 1:00 PM is when you'll find lots of Aer Lingus flights jetting from Dublin Airport (DUB) to Heathrow Airport. Our tip? Take off in the morning. With air traffic yet to build up around airports, your chances of jumping on a delay-free flight are better.
Can I change the date of my flight from Dublin Airport (DUB) to London Heathrow?
It's easy to make changes to your DUB to London Heathrow trip yourself. Access your details via the Expedia Trips portal and choose "change flight." Look for new flights and choose the one that works best with your plans. You'll see an estimate of the extra charges, if applicable. You can also head to our Customer Service portal to chat to our Virtual Agent and get answers to all your questions.

Travel information

Origin airport
Dublin
Destination airport
Heathrow
Distance
445 km
Average flight time
1 hour 20 mins

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Dublin to London Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Dublin to London offer the perfect respite. Not only does exploring London 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 Dublin to London 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 London are only a plane trip away. Book your travel arrangements with us today!

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

Dublin to London Flights