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£55 Cheap Flights from London (LHR) to Dublin (DUB)

View £55 flight on Tue, 29 Dec 2026Opens 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 and start at £55 for one-way flights and £80 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Tue, 15 Dec - Tue, 5 Jan
LHR
London
DUB
Dublin
£80 Return, found 17 hours ago
£80
Return
found 17 hours ago
Select British Airways flight, departing Tue, 15 Dec from London to Dublin, returning Tue, 5 Jan, priced at £80 found 17 hours ago
British Airways
Wed, 30 Sept - Tue, 5 Jan
LHR
London
DUB
Dublin
£82 Return, found 3 hours ago
£82
Return
found 3 hours ago
Select British Airways flight, departing Wed, 30 Sept from London to Dublin, returning Tue, 5 Jan, priced at £82 found 3 hours ago
British Airways
Wed, 30 Sept - Tue, 5 Jan
LHR
London
DUB
Dublin
£83 Return, found 3 hours ago
£83
Return
found 3 hours ago
Select British Airways flight, departing Wed, 30 Sept from London to Dublin, returning Tue, 5 Jan, priced at £83 found 3 hours ago
British Airways
Thu, 5 Nov - Wed, 11 Nov
LHR
London
DUB
Dublin
£84 Return, found 4 hours ago
£84
Return
found 4 hours ago
Select British Airways flight, departing Thu, 5 Nov from London to Dublin, returning Wed, 11 Nov, priced at £84 found 4 hours ago
British Airways
Wed, 2 Dec - Tue, 5 Jan
LHR
London
DUB
Dublin
£85 Return, found 2 days ago
£85
Return
found 2 days ago
Select British Airways flight, departing Wed, 2 Dec from London to Dublin, returning Tue, 5 Jan, priced at £85 found 2 days ago
British Airways
Wed, 2 Dec - Tue, 5 Jan
LHR
London
DUB
Dublin
£86 Return, found 2 days ago
£86
Return
found 2 days ago
Select British Airways flight, departing Wed, 2 Dec from London to Dublin, returning Tue, 5 Jan, priced at £86 found 2 days ago
Aer Lingus
Tue, 22 Sept - Sat, 26 Sept
LHR
London
DUB
Dublin
£109 Return, found 13 hours ago
£109
Return
found 13 hours ago
Select Aer Lingus flight, departing Tue, 22 Sept from London to Dublin, returning Sat, 26 Sept, priced at £109 found 13 hours ago
Iberia
Mon, 1 Mar - Wed, 10 Mar
LHR
London
DUB
Dublin
£123 Return, found 15 hours ago
£123
Return
found 15 hours ago
Select Iberia flight, departing Mon, 1 Mar from London to Dublin, returning Wed, 10 Mar, priced at £123 found 15 hours ago
Swiss International Air Lines
Mon, 23 Nov - Tue, 24 Nov
LHR
London
DUB
Dublin
£159 Return, found 5 hours ago
£159
Return
found 5 hours ago
Select Swiss International Air Lines flight, departing Mon, 23 Nov from London to Dublin, returning Tue, 24 Nov, priced at £159 found 5 hours ago
Lufthansa
Wed, 24 Feb - Thu, 25 Feb
LHR
London
DUB
Dublin
£162 Return, found 1 day ago
£162
Return
found 1 day ago
Select Lufthansa flight, departing Wed, 24 Feb from London to Dublin, returning Thu, 25 Feb, priced at £162 found 1 day ago

Alternative airports near Dublin

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Dublin Airport DUB. Cheapest and Closest option available. Average driving time to city centre is 14 minutes. Flights from £133
DUB
Dublin Airport
CheapestClosest
Average driving time to city centre14 min
Flights from £133

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

January is typically the cheapest month to fly

From £64 - £106 per traveller.

Frequently asked questions

How much does a flight from London (LHR-Heathrow) to Dublin (DUB) cost?
You can find cheap one-way flights from £55 and cheap return flights from £80 LHR to DUB with Expedia. One-way flights typically cost between £100 and £556, and return flights often range between £153 and £592. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when LHR to DUB ticket fares go up or down.
What is the cheapest month to fly from London (LHR) to Dublin (DUB)?
The cheapest months to fly from London (LHR) to Dublin (DUB) are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from London (LHR-Heathrow) to Dublin (DUB)?
There are 2 airlines offering direct flights from London Heathrow (LHR) to Dublin (DUB). Here are the carriers:
  • Aer Lingus operates 87 direct flights from London Heathrow (LHR) to Dublin (DUB) every week.
  • British Airways operates 44 direct flights from London Heathrow (LHR) to Dublin (DUB) every week.
How do I find cheap flights from London (LHR-Heathrow) to Dublin (DUB)?
To find a cheap flight from London (LHR-Heathrow) to Dublin (DUB), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from London (LHR-Heathrow) to Dublin (DUB)?
The best airline to fly with from London Heathrow (LHR) to Dublin (DUB) will differ from traveler to traveler. If you like to fly early, Aer Lingus offers early morning flights. If price is the most important factor, Aer Lingus typically offers the lowest fares. British Airways offers the most daily flights from London Heathrow (LHR) to Dublin (DUB), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from London (LHR-Heathrow) to Dublin (DUB)?
The best time to fly from London Heathrow (LHR) to Dublin (DUB) is typically September. This month offers a great balance—prices are reasonable, with an average of around £142 for a return flight, and you'll have plenty of flight options since it's a popular time to travel. September brings pleasant early autumn weather to Dublin, making it a lovely time to visit. If you're flexible, September gives you both affordable fares and excellent flight schedules to work with.
How many flights per day from London (LHR-Heathrow) to Dublin (DUB)?
You have many options for flights from London (LHR-Heathrow) to Dublin (DUB)! There are approximately 19 nonstop flights per day. For even more choices, look at flights that include layovers, as there are around 124 connecting flights per day. Some common connection points include Schiphol (AMS), Kastrup (CPH), and Franz Josef Strauss Intl. (MUC).
What is the earliest flight from London (LHR-Heathrow) to Dublin (DUB)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from LHR to DUB. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from London (LHR-Heathrow) to Dublin (DUB)?
You'll find the most flights from London Heathrow (LHR) to Dublin (DUB) on a Friday, with around 103 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Aer Lingus, British Airways, and Lufthansa. Flight schedules are fairly consistent throughout the week, with Fridays offering only slightly more options than other days.
What are the most popular departure times for flights from London (LHR-Heathrow) to Dublin (DUB)?
The most popular departure times for flights from London Heathrow (LHR) to Dublin (DUB) are in the early morning, from 6am to 9am. Many major carriers, including British Airways, Aer Lingus and KLM, offer flights during this window. Many travellers prefer these times because it allows for an early start to their day in Dublin.
How long does it take to fly from London (LHR-Heathrow) to Dublin (DUB)?
A direct flight from London Heathrow (LHR) to Dublin (DUB) typically takes around 1 hour 30 minutes. This route covers a distance of approximately 449 kilometers. If you opt for a one-stop flight, your travel time will be longer, usually around 5 hours 18 minutes. Flights with two or more stops can take significantly longer, often around 23 hours 18 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your journey.
Can you fly business or first class from London (LHR-Heathrow) to Dublin (DUB)?
Yes, you can fly business class between London Heathrow (LHR) and Dublin (DUB). Airlines that offer business class service on this route include:
  • Lufthansa
  • Iberia
  • Air France
  • KLM
  • Eurowings
  • Air Baltic
  • Swiss International Air Lines
  • SAS
  • British Airways
  • TAP Portugal
  • Med View Airlines
  • Brussels Airlines
  • Helvetic Airways
  • Elf Air
How do I earn miles on a London (LHR-Heathrow) to Dublin (DUB) flight with Expedia?
It's easy to earn miles on a London (LHR-Heathrow) to Dublin (DUB) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from London (LHR-Heathrow) to Dublin (DUB) at the last minute?
Typically, booking a last minute flight from London (LHR-Heathrow) to Dublin (DUB) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a London (LHR-Heathrow) to Dublin (DUB) flight and hotel package?
Securing a London (LHR-Heathrow) to Dublin (DUB) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from London (LHR-Heathrow) to Dublin (DUB)?
If you booked your London (LHR-Heathrow) to Dublin (DUB) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Heathrow
Destination airport
Dublin
Airlines serving
Aer Lingus, Air France, British Airways, Eurowings, Iberia, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines
Return price
£80
Distance
445 km
Average flight time
1 hour 22 mins

Book with confidence

Compare flights from London to Dublin easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from London to Dublin. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Dublin in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Heathrow to Dublin.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Heathrow (LHR) to Dublin (DUB)

The easiest way to view the best deals on flights from London to Dublin today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Heathrow to Dublin start at just £80 and range up to £162.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near London and Dublin
  • booking your flight during December, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your London to Dublin flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Heathrow to Dublin for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from London to Dublin easily and book with confidence

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*Available to Expedia members.