Cheap flights from London Heathrow to Dublin

Flights tailored to your budget

Selected dates may not give results due to COVID-19. We suggest you change the dates.
Multi-city Round trip One way
Round trip
One way
Multi-city
From
No results match your search criteria
To
No results match your search criteria
{{ weekDay }}
Dates
{{ panel.label }}
Looking for a one-way flight?

Flexible dates can save you money

Explore nearby dates to find lower fares

{{ fromDate | dateToLongNamedDate }}
?
Flexible dates
Depart {{ flexibleFromDateLabel }}
{{ option.label }}
?
Return {{ flexibleToDateLabel }}
{{ option.label }}
Passengers / Class
Number of passengers
Adults
{{ adults }}
Children
{{ children }}
Infants
{{ infants }}
Class
Economy
Available for Economy only
New Multi-city experience

Discover a new Multi-city search experience from Jetcost, designed to handle more complex itineraries. By continuing, you’ll be taken to a dedicated page powered by Kiwi.com.

Info about flights from London Heathrow to Dublin

Some useful info about flights from London Heathrow to Dublin to help you plan your next trip

Average flight duration 1h 20m
Cheapest month June
Average number of flights per week 23
First flight time 00:40
Last flight time 22:35
How do we get the info you see here? Please note that we offer an online comparison service and that all information and prices regarding services and/or products available on our website are provided by our third-party partners. We do our best to show you up-to-date information, but please note that we are not responsible for the completeness or accuracy of the information published, so please check all conditions carefully on the website of the partner before making a booking. Please check our Terms and Conditions for more details. Read more

Looking for the price of a flight from London Heathrow to Dublin?

There’s no fixed price — fares between London and Dublin can vary a lot by day or time.

Select your dates to check current offers.

It’s often useful to check whether nearby airports offer better fares. Flying during less crowded periods also increases your chances of finding good deals.

Airport options between London and Dublin

Even for routes around 449 km, using different airports might affect flight cost and travel time.

  • Airports in London: You can fly from 6 airports in London - City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.
  • Airports in Dublin: Dublin is the only functioning airport.

Checking the average travel time to the airport can help you plan better. For some routes, changing your arrival or departure airport might also affect the price.

Flights from London - Heathrow to Dublin

Adjust your flight filters for London Heathrow – Dublin

Jetcost gives you tools to search smarter. Pick your ideal price range, airline, departure time, and flight type — then compare offers from the best travel agencies and carriers.

Other popular destinations

Planning a trip to Ireland? These cities are popular too: Cork, Dublin, Kerry County, Knock, Shannon.

Sorting options let you see the most affordable flights first. Some results may include extra fees shown only at checkout — always read carefully to see what’s included.
Frequently Asked Questions

Frequently asked questions about flights from London Heathrow to Dublin.

How much does an airline ticket from London Heathrow to Dublin cost?

Flight prices can vary a lot depending on the period and destination. At the moment, this information is not available for flights from London Heathrow to Dublin.

How far is London from Dublin?

London is about 449 km from Dublin.

What are the airports in Dublin?

Dublin has one airport: Dublin.

What are the airports in London?

London has 6 airports: City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.

What are the most popular cities in Ireland?

The most popular cities in Ireland according to our users' searches are: Cork, Dublin, Kerry County, Knock, Shannon.

When should I book a flight from London to Dublin?

The best time to book a flight from London to Dublin is 5 months in advance, while the worst time is 4 weeks in advance.

What is the cheapest month to fly from London to Dublin?

The cheapest month to fly from London to Dublin is June.

What is the most expensive month to fly from London to Dublin?

The most expensive month to fly from London to Dublin is May.

What is the best day of the week to fly from London to Dublin?

This information is not available at the moment.