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Cheap Flights from London to Dublin

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

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Airlines Serving Aer Lingus, Air France, British Airways, Eurowings, KLM, Lufthansa, SAS, Swiss International Air Lines, TAP Portugal








Cheap LHR to DUB Flights

  • Which airline has the least delays from London to Dublin?

    Booking with American Airlines means you will arrive to Dublin pretty close to the time your ticket states. In fact, this airline has a 100% average for getting there on time.
  • What is the cheapest airline flying from London to Dublin?

    British Airways is the leader in keeping prices down for their passengers over the next three months. Fares are being booked at just £76, which is quite a deal when compared to the high-end bookings of £481.
  • How many flights are there per day from London to Dublin?

    Of course, the day matters, but on average, 26 different flight times exist when you fly from LHR to DUB. Compared to the average route departing the United Kingdom with three flight times, you'll have more choices than most.
  • What is the cheapest date to fly to Dublin?

    As of Aug 19th, the cheapest day to fly from London to Dublin is Sep 8th. Tickets are presently £77, 33% less than the average price for this route.
  • How long does it take to fly from London to Dublin?

    If you are travelling on Aer Lingus, your flight will be around one hour and 15 minutes.
  • How long is the flight from LHR to DUB?

    If you're able to take the direct flight (which is offered by Aer Lingus), you will be able to leave LHR at 7:35 PM BST and get to DUB at 8:50 PM IST (one hour and 15 minutes).
  • What is the cheapest day to fly?

    The cheapest day to fly from London to Dublin is on Tuesday. So, if you are trying to save a little cash on your next business trip look for flights on Tuesday.

Dublin Flights

When looking for plane tickets to Dublin, the ease and convenience of using Expedia simply can’t be beat. With tons of departure points and flights options from the top airline carriers, London gives you the widest array of cheap flights to Dublin. Look for Dublin airfare with the assurance that you have one of the world's leading full-service online travel brands working for you.

Expedia lets you search across the largest number of airlines and Dublin flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Dublin flight!

Browse through dozens of options at great prices! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Dublin trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Dublin flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights to Dublin from London. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

Aug 19, 2019

Great flight

Aug 12, 2019

It was my son’s first flight and he was very anxious and upset an the staff done everything to make sure he was ok.

May 31, 2019

Really happy with whole experience with Heathrow and Aer Lingus staff

Apr 6, 2019

Fabulous with my daughters allergies

Mar 21, 2019

It was a good stress free experience throughout

Feb 24, 2019

Staff on board top notch

Feb 12, 2019

Flight departed 15mins late due to busy Heathrow airport. Annoying when that happens

Feb 3, 2019

Good service as usual

Jan 15, 2019

Boarding order was crazy. Why not board from the back? No UNICEF envelope in my seat pocket. Really felt like trying to do a long haul flight on a short haul plane.

Jan 1, 2019

I'd like a free cocktail