Cheap flights from London Heathrow to Dublin

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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 March
Average number of flights per week 22
First flight time 06:15
Last flight time 22:35
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How much is a ticket from London Heathrow to Dublin?

Depending on when you travel and how far in advance you book, fares between London and Dublin can differ a lot.

Choose a date to explore the best fares now.

If you’re flexible with timing, consider overnight flights — they often cost less and are less crowded. Exploring multiple date and time combinations can help you find the cheapest solution.

Which airports serve London and Dublin?

When planning a trip of about 449 km, it's a good idea to check flights from surrounding airports too.

  • Airports in London: London is connected to 6 airports - City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.
  • Airports in Dublin: The only active airport in Dublin is Dublin.

The closest airport isn’t always the cheapest — it’s worth checking the alternatives too. In some cities, smaller airports offer lower fares than the main ones.

Flights from London - Heathrow to Dublin

Customize your flight from London Heathrow to Dublin

Jetcost allows you to filter by travel dates, duration, layovers, carriers, and booking providers. You’ll find direct and connecting flights, one-way or round-trip, from the best airlines and travel agencies.

Other popular destinations

Thinking about Ireland? You might also consider: Cork, Dublin, Kerry County, Knock, Shannon.

You can sort results by price, duration, or departure time to find the best option for you. When available, results always include both low-cost and traditional airlines.
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 3 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 March.

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.